C# IConvertible.ToInt32方法代码示例

本文整理汇总了C#中IConvertible.ToInt32方法的典型用法代码示例。如果您正苦于以下问题：C# IConvertible.ToInt32方法的具体用法？C# IConvertible.ToInt32怎么用？C# IConvertible.ToInt32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.ToInt32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: 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2: 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3: ToNumber

 internal static double ToNumber(Object value, IConvertible ic){
   switch (Convert.GetTypeCode(value, ic)){
     case TypeCode.Empty:  return Double.NaN;
     case TypeCode.DBNull: return 0;
     case TypeCode.Boolean: return ic.ToBoolean(null) ? 1 : 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.Object:
     case TypeCode.DateTime:
       Object pval = Convert.ToPrimitive(value, PreferredType.Number, ref ic);
       if (pval != value)
         return Convert.ToNumber(pval, ic);
       else
         return Double.NaN;
     case TypeCode.String: return 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: ToBoolean

        internal static bool ToBoolean(object value, IConvertible ic)
        {
            switch (GetTypeCode(value, ic))
            {
                case TypeCode.Empty:
                    return false;

                case TypeCode.Object:
                {
                    if ((value is Microsoft.JScript.Missing) || (value is System.Reflection.Missing))
                    {
                        return false;
                    }
                    Type type = value.GetType();
                    MethodInfo method = type.GetMethod("op_True", BindingFlags.ExactBinding | BindingFlags.Public | BindingFlags.Static, null, new Type[] { type }, null);
                    if (((method != null) && ((method.Attributes & MethodAttributes.SpecialName) != MethodAttributes.PrivateScope)) && (method.ReturnType == typeof(bool)))
                    {
                        method = new JSMethodInfo(method);
                        return (bool) method.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) != '\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) != 0L);

                case TypeCode.UInt64:
                    return (ic.ToUInt64(null) != 0L);

                case TypeCode.Single:
                case TypeCode.Double:
                {
                    double num = ic.ToDouble(null);
                    return ((num == num) && !(num == 0.0));
                }
                case TypeCode.Decimal:
                    return (ic.ToDecimal(null) != 0M);

                case TypeCode.DateTime:
                    return true;

                case TypeCode.String:
                    return (ic.ToString(null).Length != 0);
            }
            return false;
        }

开发者ID:pritesh-mandowara-sp，项目名称:DecompliedDotNetLibraries，代码行数:62，代码来源:Convert.cs

示例5: DoAddOvf

 public static Literal DoAddOvf(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: 
           val = us + ic2.ToSingle(null); 
           type = SystemTypes.Single;
           break;
         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.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: 
           val = ui + ic2.ToUInt64(null); 
           type = SystemTypes.UInt64;
           break;
//.........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: Random

 public IConvertible Random(IConvertible min, IConvertible max)
 {
     return _Random(min.ToInt32(null), max.ToInt32(null));
 }

开发者ID:SnakeSolidNL，项目名称:fosdk，代码行数:4，代码来源:Random.cs

示例7: Diff

			static int Diff(IConvertible val1, IConvertible val2)
			{
				ulong diff;

				switch (val1.GetTypeCode())
				{
					case TypeCode.UInt64:
						diff = val2.ToUInt64(null) - val1.ToUInt64(null);
						break;
					case TypeCode.Int64:
						diff = (ulong)(val2.ToInt64(null) - val1.ToInt64(null));
						break;
					case TypeCode.UInt32:
						diff = val2.ToUInt32(null) - val1.ToUInt32(null);
						break;
					default:
						diff = (ulong)(val2.ToInt32(null) - val1.ToInt32(null));
						break;
				}

				if (diff >= int.MaxValue)
					return int.MaxValue;
				else
					return (int)diff;
			}

开发者ID:amithasan，项目名称:Framework-Class-Library-Extension，代码行数:25，代码来源:CodeGen.Statements.cs

示例8: DoRightShift

 public static Literal DoRightShift(IConvertible ic1, IConvertible ic2, TypeCode code1, TypeCode code2, BinaryExpression binaryExpression){
   TypeNode type = SystemTypes.Object;
   object val = null;
   int shift = 0;
   switch (code2){
     case TypeCode.SByte:
     case TypeCode.Int16:
     case TypeCode.Int32:
     case TypeCode.Byte:
     case TypeCode.UInt16:
       shift = ic2.ToInt32(null) & 0x3f;
       break;
     case TypeCode.Int64: 
       shift = ((int)ic2.ToInt64(null)) & 0x3f;
       break;
     case TypeCode.UInt32: 
     case TypeCode.UInt64: 
       shift = ((int)ic2.ToUInt64(null)) & 0x3f;
       break;
     default: return null;
   }
   switch(code1){
     case TypeCode.SByte:
     case TypeCode.Byte:
     case TypeCode.Int16:
     case TypeCode.UInt16:
     case TypeCode.Char:
     case TypeCode.Int32:
       int i = ic1.ToInt32(null);
       val = i >> shift; 
       type = SystemTypes.Int32;
       break;
     case TypeCode.UInt32:
       uint ui = ic1.ToUInt32(null);
       val = ui >> shift; 
       type = SystemTypes.UInt32;
       break;
     case TypeCode.Int64:
       long l = ic1.ToInt64(null);
       val = l >> shift; 
       type = SystemTypes.Int64;
       break;
     case TypeCode.UInt64:
       ulong ul = ic1.ToUInt64(null);
       val = ul >> shift; 
       type = SystemTypes.UInt64;
       break;
     default: return null;
   }
   return new Literal(val, type, binaryExpression.SourceContext);
 }

开发者ID:tapicer，项目名称:resource-contracts-.net，代码行数:51，代码来源:Evaluator.cs

示例9: 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10: JScriptStrictEquals


//.........这里部分代码省略.........
         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);
         case TypeCode.Double: return us1 == ic2.ToDouble(null);
         case TypeCode.Decimal: return ((Decimal)us1) == ic2.ToDecimal(null);
       }
       return false;
       
     case TypeCode.Int32:
       Int32 i1 = ic1.ToInt32(null);
       switch (t2){
         case TypeCode.Char: return i1 == 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 i1 == ic2.ToInt64(null);
         case TypeCode.UInt64: return i1 >= 0 && ((UInt64)i1) == ic2.ToUInt64(null);
         case TypeCode.Single: return i1 == ic2.ToSingle(null);
         case TypeCode.Double: return i1 == ic2.ToDouble(null);
         case TypeCode.Decimal: return ((Decimal)i1) == ic2.ToDecimal(null);
       }
       return false;
       
     case TypeCode.UInt32:
       UInt32 ui1 = ic1.ToUInt32(null);
       switch (t2){
         case TypeCode.Char: return ui1 == 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 ui1 == ic2.ToInt64(null);
         case TypeCode.UInt64: return ui1 == ic2.ToUInt64(null);
         case TypeCode.Single: return ui1 == ic2.ToSingle(null);
         case TypeCode.Double: return ui1 == ic2.ToDouble(null);
         case TypeCode.Decimal: return ((Decimal)ui1) == ic2.ToDecimal(null);
       }

开发者ID:gbarnett，项目名称:shared-source-cli-2.0，代码行数:67，代码来源:strictequality.cs

示例11: 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12: 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

示例13: ToInt32

        internal static int ToInt32(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 ToInt32(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.Byte:
                case TypeCode.Int16:
                case TypeCode.UInt16:
                case TypeCode.Int32:
                    return ic.ToInt32(null);

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

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

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

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

                case TypeCode.String:
                    return (int) 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14: DoLe

 public static Literal DoLe(IConvertible ic1, IConvertible ic2, TypeCode code1, TypeCode code2, BinaryExpression binaryExpression){
   TypeNode type = SystemTypes.Boolean;
   object val = null;
   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); 
           break;
         case TypeCode.Int64: 
         case TypeCode.UInt32:
           val = ((long)i) <= ic2.ToInt64(null); 
           break;
         case TypeCode.UInt64: 
           val = ((ulong)i) <= ic2.ToUInt64(null); 
           break;
         case TypeCode.Single: 
         case TypeCode.Double: 
         case TypeCode.Decimal:
           return null;
         default: return null;
       }
       break;
     case TypeCode.Byte:
     case TypeCode.UInt16:
       ushort us = ic1.ToUInt16(null);
       switch(code2){
         case TypeCode.SByte:
         case TypeCode.Byte:
         case TypeCode.Int16:
         case TypeCode.UInt16:
         case TypeCode.Char:
         case TypeCode.Int32: 
           val = ((int)us) <= ic2.ToInt32(null); 
           break;
         case TypeCode.UInt32: 
           val = ((uint)us) <= ic2.ToUInt32(null); 
           break;
         case TypeCode.Int64: 
           val = ((long)us) <= ic2.ToInt64(null); 
           break;
         case TypeCode.UInt64: 
           val = ((ulong)us) <= ic2.ToUInt64(null); 
           break;
         case TypeCode.Single: 
         case TypeCode.Double: 
         case TypeCode.Decimal:
           return null;
         default: return null;
       }
       break;
     case TypeCode.UInt32:
       uint ui = ic1.ToUInt32(null);
       switch(code2){
         case TypeCode.SByte:
         case TypeCode.Int16:
         case TypeCode.Int32: 
         case TypeCode.Int64: 
           val = ((long)ui) <= ic2.ToInt64(null); 
           break;
         case TypeCode.Byte:
         case TypeCode.UInt16:
         case TypeCode.Char:
         case TypeCode.UInt32: 
           val = ui <= ic2.ToUInt32(null); 
           break;
         case TypeCode.UInt64: 
           val = ((ulong)ui) <= ic2.ToUInt64(null); 
           break;
         case TypeCode.Single: 
         case TypeCode.Double: 
         case TypeCode.Decimal:
           return null;
         default: return null;
       }
       break;
     case TypeCode.Int64:
       long l = ic1.ToInt64(null);
       switch(code2){
         case TypeCode.SByte:
         case TypeCode.Int16:
         case TypeCode.Int32: 
         case TypeCode.Int64: 
         case TypeCode.Byte:
         case TypeCode.UInt16:
         case TypeCode.Char:
         case TypeCode.UInt32: 
           val = l <= ic2.ToInt64(null); 
           break;
         case TypeCode.UInt64: 
           val = ((ulong)l) <= ic2.ToUInt64(null); 
           break;
//.........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15: EmitValue

			void EmitValue(IConvertible val)
			{
				switch (val.GetTypeCode())
				{
					case TypeCode.UInt64:
						g.EmitI8Helper(unchecked((long)val.ToUInt64(null)), false);
						break;
					case TypeCode.Int64:
						g.EmitI8Helper(val.ToInt64(null), true);
						break;
					case TypeCode.UInt32:
						g.EmitI4Helper(unchecked((int)val.ToUInt64(null)));
						break;
					default:
						g.EmitI4Helper(val.ToInt32(null));
						break;
				}
			}

开发者ID:amithasan，项目名称:Framework-Class-Library-Extension，代码行数:18，代码来源:CodeGen.Statements.cs

注：本文中的IConvertible.ToInt32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。