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C# CodeTypeDeclaration.AddEvent方法代码示例

本文整理汇总了C#中System.CodeDom.CodeTypeDeclaration.AddEvent方法的典型用法代码示例。如果您正苦于以下问题:C# CodeTypeDeclaration.AddEvent方法的具体用法?C# CodeTypeDeclaration.AddEvent怎么用?C# CodeTypeDeclaration.AddEvent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System.CodeDom.CodeTypeDeclaration的用法示例。


在下文中一共展示了CodeTypeDeclaration.AddEvent方法的1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: ImplementINotifyPropertyChanged

        /// <summary>
        /// Adds an implementation of the INotifyPropertyChanged interface to the given type.
        /// </summary>
        /// <param name="type">The type declaration</param>
        /// <returns>Type with INotifyPropertyChanged implemented.</returns>
        protected CodeTypeDeclaration ImplementINotifyPropertyChanged(CodeTypeDeclaration type)
        {
            //// This method will implement the INotifyPropertyChanged interface 
            //// Here's an example :
            //// public class Customer :INotifyPropertyChanged {
            ////      public PropertyChangedEventHandler PropertyChanged;
            ////      public void RaisePropertyChanged(string propertyName) {
            ////          if( this.PropertyChanged !=null ) {
            ////              this.PropertyChanged (this, new PropertyChangedEventArgs( propertyName ) );
            ////          }
            ////      }
            //// }
            CodeThisReferenceExpression thisReference = new CodeThisReferenceExpression();
            CodeTypeReference notifyPropertyChanged = Code.TypeRef(typeof(INotifyPropertyChanged));

            // Add the implements INotifyPropertyChanged statement
            // public class Customer :INotifyPropertyChanged {
            type.BaseTypes.Add(notifyPropertyChanged);

            // Add the PropertyChanged event as a field to the type
            // public PropertyChangedEventHandler PropertyChanged;
            CodeMemberEvent propertyChangedEvent = type.AddEvent(Code.TypeRef(typeof(PropertyChangedEventHandler)), "PropertyChanged");
            propertyChangedEvent.ImplementationTypes.Add(notifyPropertyChanged);

            // this.PropertyChanged
            CodeEventReferenceExpression eventFieldReference = new CodeEventReferenceExpression(thisReference, "PropertyChanged");

            // Add the RaisePropertyChanged Method which will invoke the PropertyChanged handler whenever a property value changes
            // if( this.PropertyChanged !=null )
            CodeConditionStatement invokeEventHandlersIfAny = new CodeConditionStatement(new CodeBinaryOperatorExpression(eventFieldReference, CodeBinaryOperatorType.IdentityInequality, new CodePrimitiveExpression(null)));

            // this.PropertyChanged (this, new PropertyChangedEventArgs( propertyName ) );
            invokeEventHandlersIfAny.TrueStatements.Add(
                new CodeDelegateInvokeExpression(eventFieldReference, new CodeExpression[] { thisReference, new CodeObjectCreateExpression("PropertyChangedEventArgs", new CodeArgumentReferenceExpression("propertyName")) }));

            // public void RaisePropertyChanged
            CodeMemberMethod method = type.AddMethod("RaisePropertyChanged", MemberAttributes.Public);

            method.Parameters.Add(new CodeParameterDeclarationExpression("System.String", "propertyName"));

            ////      public void RaisePropertyChanged(string propertyName) {
            ////          if( this.PropertyChanged !=null ) {
            ////              this.PropertyChanged (this, new PropertyChangedEventArgs( propertyName ) );
            ////          }
            ////      }
            method.Statements.Add(invokeEventHandlersIfAny);
            return type;
        }
开发者ID:AlineGuan,项目名称:odata.net,代码行数:53,代码来源:PocoDataBindingClientCodeLayerGenerator.cs


注:本文中的System.CodeDom.CodeTypeDeclaration.AddEvent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。