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C# IConvertible.ToChar方法代码示例

本文整理汇总了C#中IConvertible.ToChar方法的典型用法代码示例。如果您正苦于以下问题：C# IConvertible.ToChar方法的具体用法？C# IConvertible.ToChar怎么用？C# IConvertible.ToChar使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类IConvertible的用法示例。


在下文中一共展示了IConvertible.ToChar方法的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。

示例1: SetAsIConvertible

        public void SetAsIConvertible(IConvertible value) {
            Debug.Assert(IsEmpty); // The setter can only be called once as VariantClear might be needed otherwise

            TypeCode tc = value.GetTypeCode();
            CultureInfo ci = CultureInfo.CurrentCulture;

            switch (tc) {
                case TypeCode.Empty: break;
                case TypeCode.Object: AsUnknown = value; break;
                case TypeCode.DBNull: SetAsNull(); break;
                case TypeCode.Boolean: AsBool = value.ToBoolean(ci); break;
                case TypeCode.Char: AsUi2 = value.ToChar(ci); break;
                case TypeCode.SByte: AsI1 = value.ToSByte(ci); break;
                case TypeCode.Byte: AsUi1 = value.ToByte(ci); break;
                case TypeCode.Int16: AsI2 = value.ToInt16(ci); break;
                case TypeCode.UInt16: AsUi2 = value.ToUInt16(ci); break;
                case TypeCode.Int32: AsI4 = value.ToInt32(ci); break;
                case TypeCode.UInt32: AsUi4 = value.ToUInt32(ci); break;
                case TypeCode.Int64: AsI8 = value.ToInt64(ci); break;
                case TypeCode.UInt64: AsI8 = value.ToInt64(ci); break;
                case TypeCode.Single: AsR4 = value.ToSingle(ci); break;
                case TypeCode.Double: AsR8 = value.ToDouble(ci); break;
                case TypeCode.Decimal: AsDecimal = value.ToDecimal(ci); break;
                case TypeCode.DateTime: AsDate = value.ToDateTime(ci); break;
                case TypeCode.String: AsBstr = value.ToString(ci); break;

                default:
                    throw Assert.Unreachable;
            }
        }
开发者ID:andreakn，项目名称:ironruby，代码行数:30，代码来源:Variant.cs

示例2: ToBoolean

 internal static bool ToBoolean(Object value, IConvertible ic){
   switch (Convert.GetTypeCode(value, ic)){
     case TypeCode.Empty: return false;
     case TypeCode.Object:
       if (value is Missing || value is System.Reflection.Missing) return false;
       Type t = value.GetType();
       MethodInfo meth = t.GetMethod("op_True", BindingFlags.ExactBinding|BindingFlags.Public|BindingFlags.Static, null, new Type[]{t}, null);
       if (meth != null && (meth.Attributes & MethodAttributes.SpecialName) != 0 && meth.ReturnType == Typeob.Boolean){
         meth = new JSMethodInfo(meth);
         return (bool)meth.Invoke(null, BindingFlags.SuppressChangeType, null, new Object[]{value}, null);
       }
       return true;
     case TypeCode.DBNull: return false;
     case TypeCode.Boolean: return ic.ToBoolean(null);
     case TypeCode.Char: return ic.ToChar(null) != (Char)0;
     case TypeCode.SByte:
     case TypeCode.Byte:
     case TypeCode.Int16:
     case TypeCode.UInt16:
     case TypeCode.Int32: return ic.ToInt32(null) != 0;
     case TypeCode.UInt32:
     case TypeCode.Int64: return ic.ToInt64(null) != 0;
     case TypeCode.UInt64: return ic.ToUInt64(null) != 0;
     case TypeCode.Single:
     case TypeCode.Double:
       double d = ic.ToDouble(null);
       if (d != d) return false; else return d != 0;
     case TypeCode.Decimal: return ic.ToDecimal(null) != (Decimal)0;
     case TypeCode.DateTime: return true;
     case TypeCode.String: return ic.ToString(null).Length != 0;
   }
   return false; //should never get here
 }
开发者ID:ArildF，项目名称:masters，代码行数:33，代码来源:convert.cs

示例3: ToUint32

 internal static uint ToUint32(Object value, IConvertible ic){
   switch (Convert.GetTypeCode(value, ic)){
     case TypeCode.Empty: return 0;
     case TypeCode.DBNull: return 0;
     case TypeCode.Boolean: return ic.ToBoolean(null) ? (uint)1 : (uint)0;
     case TypeCode.Char: return (uint)ic.ToChar(null);
     case TypeCode.Byte:
     case TypeCode.UInt16:
     case TypeCode.UInt32: return ic.ToUInt32(null);
     case TypeCode.UInt64: return (uint)ic.ToUInt64(null);
     case TypeCode.SByte:
     case TypeCode.Int16:
     case TypeCode.Int32:
     case TypeCode.Int64: return (uint)ic.ToInt64(null);
     case TypeCode.Single: return (uint)ic.ToSingle(null);
     case TypeCode.Double:
     case TypeCode.Decimal: return (uint)ic.ToDouble(null);
     case TypeCode.Object:
     case TypeCode.DateTime:
       Object pval = Convert.ToPrimitive(value, PreferredType.Number, ref ic);
       if (pval != value)
         return Convert.ToUint32(pval, ic);
       else
         return 0;
     case TypeCode.String: return (uint)Convert.ToNumber(ic.ToString(null));
   }
   return 0; //should never get here
 }
开发者ID:ArildF，项目名称:masters，代码行数:28，代码来源:convert.cs

示例4: DefaultToType

		internal static object DefaultToType(IConvertible value, Type targetType, IFormatProvider provider)
		{
			if (targetType == null)
			{
				throw new ArgumentNullException("targetType");
			}
			RuntimeType left = targetType as RuntimeType;
			if (left != null)
			{
				if (value.GetType() == targetType)
				{
					return value;
				}
				if (left == Convert.ConvertTypes[3])
				{
					return value.ToBoolean(provider);
				}
				if (left == Convert.ConvertTypes[4])
				{
					return value.ToChar(provider);
				}
				if (left == Convert.ConvertTypes[5])
				{
					return value.ToSByte(provider);
				}
				if (left == Convert.ConvertTypes[6])
				{
					return value.ToByte(provider);
				}
				if (left == Convert.ConvertTypes[7])
				{
					return value.ToInt16(provider);
				}
				if (left == Convert.ConvertTypes[8])
				{
					return value.ToUInt16(provider);
				}
				if (left == Convert.ConvertTypes[9])
				{
					return value.ToInt32(provider);
				}
				if (left == Convert.ConvertTypes[10])
				{
					return value.ToUInt32(provider);
				}
				if (left == Convert.ConvertTypes[11])
				{
					return value.ToInt64(provider);
				}
				if (left == Convert.ConvertTypes[12])
				{
					return value.ToUInt64(provider);
				}
				if (left == Convert.ConvertTypes[13])
				{
					return value.ToSingle(provider);
				}
				if (left == Convert.ConvertTypes[14])
				{
					return value.ToDouble(provider);
				}
				if (left == Convert.ConvertTypes[15])
				{
					return value.ToDecimal(provider);
				}
				if (left == Convert.ConvertTypes[16])
				{
					return value.ToDateTime(provider);
				}
				if (left == Convert.ConvertTypes[18])
				{
					return value.ToString(provider);
				}
				if (left == Convert.ConvertTypes[1])
				{
					return value;
				}
				if (left == Convert.EnumType)
				{
					return (Enum)value;
				}
				if (left == Convert.ConvertTypes[2])
				{
					throw new InvalidCastException(Environment.GetResourceString("InvalidCast_DBNull"));
				}
				if (left == Convert.ConvertTypes[0])
				{
					throw new InvalidCastException(Environment.GetResourceString("InvalidCast_Empty"));
				}
			}
			throw new InvalidCastException(Environment.GetResourceString("InvalidCast_FromTo", new object[]
			{
				value.GetType().FullName, 
				targetType.FullName
			}));
		}
开发者ID:ChristianWulf，项目名称:CSharpKDMDiscoverer，代码行数:96，代码来源:Convert.cs

示例5: DoSubOvf

 public static Literal DoSubOvf(IConvertible ic1, IConvertible ic2, TypeCode code1, TypeCode code2, BinaryExpression binaryExpression){
   TypeNode type = SystemTypes.Object;
   object val = null;
   checked{switch(code1){
     case TypeCode.SByte:
     case TypeCode.Int16:
     case TypeCode.Int32:
       int i = ic1.ToInt32(null);
       switch(code2){
         case TypeCode.SByte:
         case TypeCode.Int16:
         case TypeCode.Int32: 
         case TypeCode.Byte:
         case TypeCode.Char:
         case TypeCode.UInt16:
           val = i - ic2.ToInt32(null); 
           type = SystemTypes.Int32;
           break;
         case TypeCode.Int64: 
         case TypeCode.UInt32: 
         case TypeCode.UInt64: 
           val = i - ic2.ToInt64(null); 
           type = SystemTypes.Int64;
           break;
         case TypeCode.Single: 
           val = i - ic2.ToSingle(null); 
           type = SystemTypes.Single;
           break;
         case TypeCode.Double: 
           val = i - ic2.ToDouble(null); 
           type = SystemTypes.Double;
           break;
         case TypeCode.Decimal:
           val = i - ic2.ToDecimal(null);
           type = SystemTypes.Decimal;
           break;
         default: return null;
       }
       break;
     case TypeCode.Byte:
     case TypeCode.UInt16:
       ushort us = ic1.ToUInt16(null);
       switch(code2){
         case TypeCode.SByte:
         case TypeCode.Int16:
         case TypeCode.Int32: 
           val = us - ic2.ToInt32(null); 
           type = SystemTypes.Int32;
           break;
         case TypeCode.Byte:
         case TypeCode.UInt16:
         case TypeCode.Char:
         case TypeCode.UInt32: 
           val = us - ic2.ToUInt32(null); 
           type = SystemTypes.UInt32;
           break;
         case TypeCode.Int64: 
           val = us - ic2.ToInt64(null); 
           type = SystemTypes.Int64;
           break;
         case TypeCode.UInt64: 
           val = us - ic2.ToUInt64(null); 
           type = SystemTypes.UInt64;
           break;
         case TypeCode.Single: 
         case TypeCode.Double: 
           val = us - ic2.ToDouble(null); 
           type = SystemTypes.Double;
           break;
         case TypeCode.Decimal:
           val = us - ic2.ToDecimal(null);
           type = SystemTypes.Decimal;
           break;
         default: return null;
       }
       break;
     case TypeCode.Char:
       char ch = ic1.ToChar(null);
       if (code2 != TypeCode.Char) goto default;
       val = ch - ic2.ToChar(null);
       type = SystemTypes.Int32;
       break;
     case TypeCode.UInt32:
       uint ui = ic1.ToUInt32(null);
       switch(code2){
         case TypeCode.SByte:
         case TypeCode.Int16:
         case TypeCode.Int32: 
         case TypeCode.Int64: 
           val = ui - ic2.ToInt64(null); 
           type = SystemTypes.Int64;
           break;
         case TypeCode.Byte:
         case TypeCode.UInt16:
         case TypeCode.Char:
         case TypeCode.UInt32: 
           val = ui - ic2.ToUInt32(null); 
           type = SystemTypes.UInt32;
           break;
         case TypeCode.UInt64: 
//.........这里部分代码省略.........
开发者ID:tapicer，项目名称:resource-contracts-.net，代码行数:101，代码来源:Evaluator.cs

示例6: JScriptStrictEquals

        internal static bool JScriptStrictEquals(object v1, object v2, IConvertible ic1, IConvertible ic2, TypeCode t1, TypeCode t2, bool checkForDebuggerObjects)
        {
            long num7;
            switch (t1)
            {
                case TypeCode.Empty:
                    return (t2 == TypeCode.Empty);

                case TypeCode.Object:
                    if (v1 != v2)
                    {
                        if ((v1 is Microsoft.JScript.Missing) || (v1 is System.Reflection.Missing))
                        {
                            v1 = null;
                        }
                        if (v1 == v2)
                        {
                            return true;
                        }
                        if ((v2 is Microsoft.JScript.Missing) || (v2 is System.Reflection.Missing))
                        {
                            v2 = null;
                        }
                        if (checkForDebuggerObjects)
                        {
                            IDebuggerObject obj2 = v1 as IDebuggerObject;
                            if (obj2 != null)
                            {
                                IDebuggerObject o = v2 as IDebuggerObject;
                                if (o != null)
                                {
                                    return obj2.IsEqual(o);
                                }
                            }
                        }
                        return (v1 == v2);
                    }
                    return true;

                case TypeCode.DBNull:
                    return (t2 == TypeCode.DBNull);

                case TypeCode.Boolean:
                    if (t2 != TypeCode.Boolean)
                    {
                        return false;
                    }
                    return (ic1.ToBoolean(null) == ic2.ToBoolean(null));

                case TypeCode.Char:
                {
                    char ch = ic1.ToChar(null);
                    switch (t2)
                    {
                        case TypeCode.Char:
                            return (ch == ic2.ToChar(null));

                        case TypeCode.SByte:
                        case TypeCode.Byte:
                        case TypeCode.Int16:
                        case TypeCode.UInt16:
                        case TypeCode.Int32:
                        case TypeCode.UInt32:
                        case TypeCode.Int64:
                            return (ch == ic2.ToInt64(null));

                        case TypeCode.UInt64:
                            return (ch == ic2.ToUInt64(null));

                        case TypeCode.Single:
                        case TypeCode.Double:
                            return (((double) ch) == ic2.ToDouble(null));

                        case TypeCode.Decimal:
                            return (ch == ic2.ToDecimal(null));

                        case TypeCode.String:
                        {
                            string str = ic2.ToString(null);
                            return ((str.Length == 1) && (ch == str[0]));
                        }
                    }
                    break;
                }
                case TypeCode.SByte:
                {
                    sbyte num = ic1.ToSByte(null);
                    switch (t2)
                    {
                        case TypeCode.Char:
                            return (num == ic2.ToChar(null));

                        case TypeCode.SByte:
                        case TypeCode.Byte:
                        case TypeCode.Int16:
                        case TypeCode.UInt16:
                        case TypeCode.Int32:
                        case TypeCode.UInt32:
                        case TypeCode.Int64:
                            return (num == ic2.ToInt64(null));
//.........这里部分代码省略.........
开发者ID:pritesh-mandowara-sp，项目名称:DecompliedDotNetLibraries，代码行数:101，代码来源:StrictEquality.cs

示例7: DefaultToType

        internal static Object DefaultToType(IConvertible value, Type targetType, IFormatProvider provider) {
            Contract.Requires(value != null, "[Convert.DefaultToType]value!=null");
            if (targetType==null) {
                throw new ArgumentNullException("targetType");
            }
            Contract.EndContractBlock();

            RuntimeType rtTargetType = targetType as RuntimeType;

            if (rtTargetType != null)
            {
                if (value.GetType() == targetType)
                {
                    return value;
                }

                if (rtTargetType == ConvertTypes[(int)TypeCode.Boolean])
                    return value.ToBoolean(provider);
                if (rtTargetType == ConvertTypes[(int)TypeCode.Char])
                    return value.ToChar(provider);
                if (rtTargetType == ConvertTypes[(int)TypeCode.SByte])
                    return value.ToSByte(provider);
                if (rtTargetType == ConvertTypes[(int)TypeCode.Byte])
                    return value.ToByte(provider);
                if (rtTargetType == ConvertTypes[(int)TypeCode.Int16])
                    return value.ToInt16(provider);
                if (rtTargetType == ConvertTypes[(int)TypeCode.UInt16])
                    return value.ToUInt16(provider);
                if (rtTargetType == ConvertTypes[(int)TypeCode.Int32])
                    return value.ToInt32(provider);
                if (rtTargetType == ConvertTypes[(int)TypeCode.UInt32])
                    return value.ToUInt32(provider);
                if (rtTargetType == ConvertTypes[(int)TypeCode.Int64])
                    return value.ToInt64(provider);
                if (rtTargetType == ConvertTypes[(int)TypeCode.UInt64])
                    return value.ToUInt64(provider);
                if (rtTargetType == ConvertTypes[(int)TypeCode.Single])
                    return value.ToSingle(provider);
                if (rtTargetType == ConvertTypes[(int)TypeCode.Double])
                    return value.ToDouble(provider);
                if (rtTargetType == ConvertTypes[(int)TypeCode.Decimal])
                    return value.ToDecimal(provider);
                if (rtTargetType == ConvertTypes[(int)TypeCode.DateTime])
                    return value.ToDateTime(provider);
                if (rtTargetType == ConvertTypes[(int)TypeCode.String])
                    return value.ToString(provider);
                if (rtTargetType == ConvertTypes[(int)TypeCode.Object])
                    return (Object)value;
                //  Need to special case Enum because typecode will be underlying type, e.g. Int32
                if (rtTargetType == EnumType)
                    return (Enum)value;
                if (rtTargetType == ConvertTypes[(int)TypeCode.DBNull])
                    throw new InvalidCastException(Environment.GetResourceString("InvalidCast_DBNull"));
                if (rtTargetType == ConvertTypes[(int)TypeCode.Empty])
                    throw new InvalidCastException(Environment.GetResourceString("InvalidCast_Empty"));
            }

            throw new InvalidCastException(Environment.GetResourceString("InvalidCast_FromTo", value.GetType().FullName, targetType.FullName));
        }
开发者ID:destinyclown，项目名称:coreclr，代码行数:59，代码来源:Convert.cs

示例8: DefaultToType

	// Default implementation of the "ToType" methods in
	// the primitive classes like Byte, Int32, Boolean, etc.
	internal static Object DefaultToType(IConvertible obj, Type targetType,
										 IFormatProvider provider,
										 bool recursive)
			{
				if(targetType != null)
				{
					if(obj.GetType() == targetType)
					{
						return obj;
					}
					else if(targetType == ConvertTypes[(int)TypeCode.Boolean])
					{
						return (Object)(obj.ToBoolean(provider));
					}
					else if(targetType == ConvertTypes[(int)TypeCode.Char])
					{
						return (Object)(obj.ToChar(provider));
					}
					else if(targetType == ConvertTypes[(int)TypeCode.SByte])
					{
						return (Object)(obj.ToSByte(provider));
					}
					else if(targetType == ConvertTypes[(int)TypeCode.Byte])
					{
						return (Object)(obj.ToByte(provider));
					}
					else if(targetType == ConvertTypes[(int)TypeCode.Int16])
					{
						return (Object)(obj.ToInt16(provider));
					}
					else if(targetType == ConvertTypes[(int)TypeCode.UInt16])
					{
						return (Object)(obj.ToUInt16(provider));
					}
					else if(targetType == ConvertTypes[(int)TypeCode.Int32])
					{
						return (Object)(obj.ToInt32(provider));
					}
					else if(targetType == ConvertTypes[(int)TypeCode.UInt32])
					{
						return (Object)(obj.ToUInt32(provider));
					}
					else if(targetType == ConvertTypes[(int)TypeCode.Int64])
					{
						return (Object)(obj.ToInt64(provider));
					}
					else if(targetType == ConvertTypes[(int)TypeCode.UInt64])
					{
						return (Object)(obj.ToUInt64(provider));
					}
					else if(targetType == ConvertTypes[(int)TypeCode.Single])
					{
						return (Object)(obj.ToSingle(provider));
					}
					else if(targetType == ConvertTypes[(int)TypeCode.Double])
					{
						return (Object)(obj.ToDouble(provider));
					}
					else if(targetType == ConvertTypes[(int)TypeCode.Decimal])
					{
						return (Object)(obj.ToDecimal(provider));
					}
					else if(targetType == ConvertTypes[(int)TypeCode.DateTime])
					{
						return (Object)(obj.ToDateTime(provider));
					}
					else if(targetType == ConvertTypes[(int)TypeCode.String])
					{
						return (Object)(obj.ToString(provider));
					}
					else if(targetType == ConvertTypes[(int)TypeCode.Object])
					{
						return obj;
					}
					else if(targetType == ConvertTypes[(int)TypeCode.Empty])
					{
						throw new InvalidCastException
							(_("InvalidCast_Empty"));
					}
					else if(targetType == ConvertTypes[(int)TypeCode.DBNull])
					{
						throw new InvalidCastException
							(_("InvalidCast_DBNull"));
					}
					else if(recursive)
					{
						throw new InvalidCastException
							(String.Format
								(_("InvalidCast_FromTo"),
		 					     obj.GetType().FullName, targetType.FullName));
					}
					else
					{
						// We weren't called from a "ToType" method,
						// so we can use it to handle the default case.
						return obj.ToType(targetType, provider);
					}
				}
//.........这里部分代码省略.........
开发者ID:jjenki11，项目名称:blaze-chem-rendering，代码行数:101，代码来源:Convert.cs

示例9: DefaultToType

        internal static Object DefaultToType(IConvertible value, Type targetType, IFormatProvider provider)
        {
            Contract.Requires(value != null, "[Convert.DefaultToType]value!=null");
            if (targetType == null)
            {
                throw new ArgumentNullException("targetType");
            }
            Contract.EndContractBlock();

            if (value.GetType() == targetType)
                return value;

            if (targetType == CommonRuntimeTypes.Boolean)
                return value.ToBoolean(provider);
            if (targetType == CommonRuntimeTypes.Char)
                return value.ToChar(provider);
            if (targetType == CommonRuntimeTypes.SByte)
                return value.ToSByte(provider);
            if (targetType == CommonRuntimeTypes.Byte)
                return value.ToByte(provider);
            if (targetType == CommonRuntimeTypes.Int16)
                return value.ToInt16(provider);
            if (targetType == CommonRuntimeTypes.UInt16)
                return value.ToUInt16(provider);
            if (targetType == CommonRuntimeTypes.Int32)
                return value.ToInt32(provider);
            if (targetType == CommonRuntimeTypes.UInt32)
                return value.ToUInt32(provider);
            if (targetType == CommonRuntimeTypes.Int64)
                return value.ToInt64(provider);
            if (targetType == CommonRuntimeTypes.UInt64)
                return value.ToUInt64(provider);
            if (targetType == CommonRuntimeTypes.Single)
                return value.ToSingle(provider);
            if (targetType == CommonRuntimeTypes.Double)
                return value.ToDouble(provider);
            if (targetType == CommonRuntimeTypes.Decimal)
                return value.ToDecimal(provider);
            if (targetType == CommonRuntimeTypes.DateTime)
                return value.ToDateTime(provider);
            if (targetType == CommonRuntimeTypes.String)
                return value.ToString(provider);
            if (targetType == CommonRuntimeTypes.Object)
                return (Object)value;
            if (targetType == CommonRuntimeTypes.Enum)
                return (Enum)value;

            throw new InvalidCastException(SR.Format(SR.InvalidCast_FromTo, value.GetType().ToString(), targetType.Name));
        }
开发者ID:niemyjski，项目名称:corert，代码行数:49，代码来源:Convert.cs

示例10: JScriptStrictEquals

 internal static bool JScriptStrictEquals(Object v1, Object v2, IConvertible ic1, IConvertible ic2, TypeCode t1, TypeCode t2, bool checkForDebuggerObjects){
   switch (t1){
     case TypeCode.Empty: return t2 == TypeCode.Empty;
     case TypeCode.Object:
       if (v1 == v2) return true;
       if (v1 is Missing || v1 is System.Reflection.Missing) v1 = null;
       if (v1 == v2) return true;
       if (v2 is Missing || v2 is System.Reflection.Missing) v2 = null;
       return v1 == v2;
     case TypeCode.DBNull: return t2 == TypeCode.DBNull;
     case TypeCode.Boolean: return t2 == TypeCode.Boolean && ic1.ToBoolean(null) == ic2.ToBoolean(null);
     
     case TypeCode.Char: 
       Char ch = ic1.ToChar(null);
       switch(t2){
         case TypeCode.Char: return ch == ic2.ToChar(null);
         case TypeCode.SByte:
         case TypeCode.Byte:
         case TypeCode.Int16:
         case TypeCode.UInt16:
         case TypeCode.Int32:
         case TypeCode.UInt32:
         case TypeCode.Int64: return ch == ic2.ToInt64(null);
         case TypeCode.UInt64: return ch == ic2.ToUInt64(null);
         case TypeCode.Single: 
         case TypeCode.Double: return ch == ic2.ToDouble(null);
         case TypeCode.Decimal: return ((Decimal)(int)ch) == ic2.ToDecimal(null);
         case TypeCode.String:
           String str = ic2.ToString(null);
           return str.Length == 1 && ch == str[0];
       }
       return false;
     
     case TypeCode.SByte:
       SByte sb1 = ic1.ToSByte(null);
       switch (t2){
         case TypeCode.Char: return sb1 == ic2.ToChar(null);
         case TypeCode.SByte:
         case TypeCode.Byte:
         case TypeCode.Int16:
         case TypeCode.UInt16:
         case TypeCode.Int32:
         case TypeCode.UInt32:
         case TypeCode.Int64: return sb1 == ic2.ToInt64(null);
         case TypeCode.UInt64: return sb1 >= 0 && ((UInt64)sb1) == ic2.ToUInt64(null);
         case TypeCode.Single: return sb1 == ic2.ToSingle(null);
         case TypeCode.Double: return sb1 == ic2.ToDouble(null);
         case TypeCode.Decimal: return ((Decimal)sb1) == ic2.ToDecimal(null);
       }
       return false;
       
     case TypeCode.Byte:
       Byte b1 = ic1.ToByte(null);
       switch (t2){
         case TypeCode.Char: return b1 == ic2.ToChar(null);
         case TypeCode.SByte:
         case TypeCode.Byte:
         case TypeCode.Int16:
         case TypeCode.UInt16:
         case TypeCode.Int32:
         case TypeCode.UInt32:
         case TypeCode.Int64: return b1 == ic2.ToInt64(null);
         case TypeCode.UInt64: return b1 == ic2.ToUInt64(null);
         case TypeCode.Single: return b1 == ic2.ToSingle(null);
         case TypeCode.Double: return b1 == ic2.ToDouble(null);
         case TypeCode.Decimal: return ((Decimal)b1) == ic2.ToDecimal(null);
       }
       return false;
       
     case TypeCode.Int16:
       Int16 s1 = ic1.ToInt16(null);
       switch (t2){
         case TypeCode.Char: return s1 == ic2.ToChar(null);
         case TypeCode.SByte:
         case TypeCode.Byte:
         case TypeCode.Int16:
         case TypeCode.UInt16:
         case TypeCode.Int32:
         case TypeCode.UInt32:
         case TypeCode.Int64: return s1 == ic2.ToInt64(null);
         case TypeCode.UInt64: return s1 >= 0 && ((UInt64)s1) == ic2.ToUInt64(null);
         case TypeCode.Single: return s1 == ic2.ToSingle(null);
         case TypeCode.Double: return s1 == ic2.ToDouble(null);
         case TypeCode.Decimal: return ((Decimal)s1) == ic2.ToDecimal(null);
      }
       return false;
       
     case TypeCode.UInt16:
       UInt16 us1 = ic1.ToUInt16(null);
       switch (t2){
         case TypeCode.Char: return us1 == ic2.ToChar(null);
         case TypeCode.SByte:
         case TypeCode.Byte:
         case TypeCode.Int16:
         case TypeCode.UInt16:
         case TypeCode.Int32:
         case TypeCode.UInt32:
         case TypeCode.Int64: return us1 == ic2.ToInt64(null);
         case TypeCode.UInt64: return us1 == ic2.ToUInt64(null);
         case TypeCode.Single: return us1 == ic2.ToSingle(null);
//.........这里部分代码省略.........
开发者ID:gbarnett，项目名称:shared-source-cli-2.0，代码行数:101，代码来源:strictequality.cs

示例11: DefaultToType

        internal static Object DefaultToType(IConvertible value, Type targetType, IFormatProvider provider) {
            BCLDebug.Assert(value!=null, "[Convert.DefaultToType]value!=null");

            if (targetType==null) {
                throw new ArgumentNullException("targetType");
            }
            
            if (value.GetType()==targetType) {
                return value;
            }

            if (targetType==ConvertTypes[(int)TypeCode.Boolean])
                return value.ToBoolean(provider);
            if (targetType==ConvertTypes[(int)TypeCode.Char])
                return value.ToChar(provider);
            if (targetType==ConvertTypes[(int)TypeCode.SByte])
                return value.ToSByte(provider);
            if (targetType==ConvertTypes[(int)TypeCode.Byte])
                return value.ToByte(provider);
            if (targetType==ConvertTypes[(int)TypeCode.Int16]) 
                return value.ToInt16(provider);
            if (targetType==ConvertTypes[(int)TypeCode.UInt16])
                return value.ToUInt16(provider);
            if (targetType==ConvertTypes[(int)TypeCode.Int32])
                return value.ToInt32(provider);
            if (targetType==ConvertTypes[(int)TypeCode.UInt32])
                return value.ToUInt32(provider);
            if (targetType==ConvertTypes[(int)TypeCode.Int64])
                return value.ToInt64(provider);
            if (targetType==ConvertTypes[(int)TypeCode.UInt64])
                return value.ToUInt64(provider);
            if (targetType==ConvertTypes[(int)TypeCode.Single])
                return value.ToSingle(provider);
            if (targetType==ConvertTypes[(int)TypeCode.Double])
                return value.ToDouble(provider);
            if (targetType==ConvertTypes[(int)TypeCode.Decimal])
                return value.ToDecimal(provider);
            if (targetType==ConvertTypes[(int)TypeCode.DateTime])
                return value.ToDateTime(provider);
            if (targetType==ConvertTypes[(int)TypeCode.String]) {
                return value.ToString(provider);
            }
            if (targetType==ConvertTypes[(int)TypeCode.Object])
                return (Object)value;
            if (targetType==ConvertTypes[(int)TypeCode.DBNull])
                throw new InvalidCastException(Environment.GetResourceString("InvalidCast_DBNull"));
            if (targetType==ConvertTypes[(int)TypeCode.Empty]) 
                throw new InvalidCastException(Environment.GetResourceString("InvalidCast_Empty"));
            throw new InvalidCastException(String.Format(CultureInfo.CurrentCulture, Environment.GetResourceString("InvalidCast_FromTo"), value.GetType().FullName, targetType.FullName));
        }
开发者ID:gbarnett，项目名称:shared-source-cli-2.0，代码行数:50，代码来源:convert.cs

示例12: ExecuteBinaryOperator

 private object ExecuteBinaryOperator(IConvertible left, IConvertible right, CodeBinaryOperatorType op)
 {
     TypeCode typeCode = left.GetTypeCode();
     TypeCode code2 = right.GetTypeCode();
     TypeCode[] codeArray = new TypeCode[] { TypeCode.Byte, TypeCode.Char, TypeCode.Int16, TypeCode.UInt16, TypeCode.Int32, TypeCode.UInt32, TypeCode.Int64, TypeCode.UInt64 };
     int num = -1;
     int num2 = -1;
     for (int i = 0; i < codeArray.Length; i++)
     {
         if (typeCode == codeArray[i])
         {
             num = i;
         }
         if (code2 == codeArray[i])
         {
             num2 = i;
         }
         if ((num != -1) && (num2 != -1))
         {
             break;
         }
     }
     if ((num == -1) || (num2 == -1))
     {
         return left;
     }
     int index = Math.Max(num, num2);
     object obj2 = left;
     switch (codeArray[index])
     {
         case TypeCode.Char:
         {
             char ch = left.ToChar(null);
             char ch2 = right.ToChar(null);
             if (op != CodeBinaryOperatorType.BitwiseOr)
             {
                 obj2 = ch & ch2;
                 break;
             }
             obj2 = ch | ch2;
             break;
         }
         case TypeCode.Byte:
         {
             byte num5 = left.ToByte(null);
             byte num6 = right.ToByte(null);
             if (op != CodeBinaryOperatorType.BitwiseOr)
             {
                 obj2 = num5 & num6;
                 break;
             }
             obj2 = num5 | num6;
             break;
         }
         case TypeCode.Int16:
         {
             short num7 = left.ToInt16(null);
             short num8 = right.ToInt16(null);
             if (op != CodeBinaryOperatorType.BitwiseOr)
             {
                 obj2 = num7 & num8;
                 break;
             }
             obj2 = (short) (((ushort) num7) | ((ushort) num8));
             break;
         }
         case TypeCode.UInt16:
         {
             ushort num9 = left.ToUInt16(null);
             ushort num10 = right.ToUInt16(null);
             if (op != CodeBinaryOperatorType.BitwiseOr)
             {
                 obj2 = num9 & num10;
                 break;
             }
             obj2 = num9 | num10;
             break;
         }
         case TypeCode.Int32:
         {
             int num11 = left.ToInt32(null);
             int num12 = right.ToInt32(null);
             if (op != CodeBinaryOperatorType.BitwiseOr)
             {
                 obj2 = num11 & num12;
                 break;
             }
             obj2 = num11 | num12;
             break;
         }
         case TypeCode.UInt32:
         {
             uint num13 = left.ToUInt32(null);
             uint num14 = right.ToUInt32(null);
             if (op != CodeBinaryOperatorType.BitwiseOr)
             {
                 obj2 = num13 & num14;
                 break;
             }
             obj2 = num13 | num14;
//.........这里部分代码省略.........
开发者ID:Reegenerator，项目名称:Sample-CustomizeDatasetCS，代码行数:101，代码来源:CodeDomSerializerBase.cs

示例13: EncodeConvertible

        protected void EncodeConvertible(IConvertible value, Stream output)
        {
            output.WriteByte((byte)value.GetTypeCode());
            byte[] result;
            switch (value.GetTypeCode())
            {
            // the following encode directly on the stream
            case TypeCode.Boolean: output.WriteByte((byte)((bool)value ? 1 : 0)); return;
            case TypeCode.Byte: output.WriteByte(value.ToByte(null)); return;
            case TypeCode.SByte: output.WriteByte((byte)(value.ToSByte(null) + 128)); return;

            case TypeCode.Object:
                formatter.Serialize(output, value);
                return;

            case TypeCode.String: {
                long lengthPosition = output.Position;
                output.Write(new byte[4], 0, 4);
                StreamWriter w = new StreamWriter(output, Encoding.UTF8);
                w.Write((string)value);
                w.Flush();
                long savedPosition = output.Position;
                uint payloadLength = (uint)(output.Position - lengthPosition - 4);
                output.Position = lengthPosition;
                output.Write(DataConverter.Converter.GetBytes(payloadLength), 0, 4);
                output.Position = savedPosition;
                return;
            }

            // the following obtain byte arrays which are dumped below
            case TypeCode.Char: result = DataConverter.Converter.GetBytes(value.ToChar(null)); break;
            case TypeCode.Single: result = DataConverter.Converter.GetBytes(value.ToSingle(null)); break;
            case TypeCode.Double: result = DataConverter.Converter.GetBytes(value.ToDouble(null)); break;
            case TypeCode.Int16: result = DataConverter.Converter.GetBytes(value.ToInt16(null)); break;
            case TypeCode.Int32: result = DataConverter.Converter.GetBytes(value.ToInt32(null)); break;
            case TypeCode.Int64: result = DataConverter.Converter.GetBytes(value.ToInt64(null)); break;
            case TypeCode.UInt16: result = DataConverter.Converter.GetBytes(value.ToUInt16(null)); break;
            case TypeCode.UInt32: result = DataConverter.Converter.GetBytes(value.ToUInt32(null)); break;
            case TypeCode.UInt64: result = DataConverter.Converter.GetBytes(value.ToUInt64(null)); break;
            case TypeCode.DateTime: result = DataConverter.Converter.GetBytes(((DateTime)value).ToBinary()); break;

            default: throw new MarshallingException("Unhandled form of IConvertible: " + value.GetTypeCode());
            }
            output.Write(result, 0, result.Length);
        }
开发者ID:pichiliani，项目名称:CoMusic，代码行数:45，代码来源:Marshalling.cs

示例14: ToUint32

        internal static uint ToUint32(object value, IConvertible ic)
        {
            switch (GetTypeCode(value, ic))
            {
                case TypeCode.Empty:
                    return 0;

                case TypeCode.Object:
                case TypeCode.DateTime:
                {
                    object obj2 = ToPrimitive(value, PreferredType.Number, ref ic);
                    if (obj2 == value)
                    {
                        return 0;
                    }
                    return ToUint32(obj2, ic);
                }
                case TypeCode.DBNull:
                    return 0;

                case TypeCode.Boolean:
                    if (ic.ToBoolean(null))
                    {
                        return 1;
                    }
                    return 0;

                case TypeCode.Char:
                    return ic.ToChar(null);

                case TypeCode.SByte:
                case TypeCode.Int16:
                case TypeCode.Int32:
                case TypeCode.Int64:
                    return (uint) ic.ToInt64(null);

                case TypeCode.Byte:
                case TypeCode.UInt16:
                case TypeCode.UInt32:
                    return ic.ToUInt32(null);

                case TypeCode.UInt64:
                    return (uint) ic.ToUInt64(null);

                case TypeCode.Single:
                case TypeCode.Double:
                    return (uint) Runtime.DoubleToInt64(ic.ToDouble(null));

                case TypeCode.Decimal:
                    return (uint) Runtime.UncheckedDecimalToInt64(ic.ToDecimal(null));

                case TypeCode.String:
                    return (uint) Runtime.DoubleToInt64(ToNumber(ic.ToString(null)));
            }
            return 0;
        }
开发者ID:pritesh-mandowara-sp，项目名称:DecompliedDotNetLibraries，代码行数:56，代码来源:Convert.cs

示例15: ToNumber

        internal static double ToNumber(object value, IConvertible ic)
        {
            switch (GetTypeCode(value, ic))
            {
                case TypeCode.Empty:
                    return double.NaN;

                case TypeCode.Object:
                case TypeCode.DateTime:
                {
                    object obj2 = ToPrimitive(value, PreferredType.Number, ref ic);
                    if (obj2 == value)
                    {
                        return double.NaN;
                    }
                    return ToNumber(obj2, ic);
                }
                case TypeCode.DBNull:
                    return 0.0;

                case TypeCode.Boolean:
                    return (ic.ToBoolean(null) ? ((double) 1) : ((double) 0));

                case TypeCode.Char:
                    return (double) ic.ToChar(null);

                case TypeCode.SByte:
                case TypeCode.Byte:
                case TypeCode.Int16:
                case TypeCode.UInt16:
                case TypeCode.Int32:
                    return (double) ic.ToInt32(null);

                case TypeCode.UInt32:
                case TypeCode.Int64:
                    return (double) ic.ToInt64(null);

                case TypeCode.UInt64:
                    return (double) ic.ToUInt64(null);

                case TypeCode.Single:
                case TypeCode.Double:
                case TypeCode.Decimal:
                    return ic.ToDouble(null);

                case TypeCode.String:
                    return ToNumber(ic.ToString(null));
            }
            return 0.0;
        }
开发者ID:pritesh-mandowara-sp，项目名称:DecompliedDotNetLibraries，代码行数:50，代码来源:Convert.cs


注：本文中的IConvertible.ToChar方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。