128 lines
6.5 KiB
XML
128 lines
6.5 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<Type Name="CodeDefaultValueExpression" FullName="System.CodeDom.CodeDefaultValueExpression">
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<TypeSignature Language="C#" Value="public class CodeDefaultValueExpression : System.CodeDom.CodeExpression" />
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<TypeSignature Language="ILAsm" Value=".class public auto ansi serializable beforefieldinit CodeDefaultValueExpression extends System.CodeDom.CodeExpression" />
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<AssemblyInfo>
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<AssemblyName>System</AssemblyName>
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<AssemblyVersion>2.0.0.0</AssemblyVersion>
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<AssemblyVersion>4.0.0.0</AssemblyVersion>
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</AssemblyInfo>
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<Base>
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<BaseTypeName>System.CodeDom.CodeExpression</BaseTypeName>
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</Base>
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<Interfaces />
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<Attributes>
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<Attribute>
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<AttributeName>System.Runtime.InteropServices.ClassInterface(System.Runtime.InteropServices.ClassInterfaceType.AutoDispatch)</AttributeName>
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</Attribute>
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<Attribute>
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<AttributeName>System.Runtime.InteropServices.ComVisible(true)</AttributeName>
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</Attribute>
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</Attributes>
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<Docs>
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<since version=".NET 2.0" />
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<remarks>
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<attribution license="cc4" from="Microsoft" modified="false" />
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<para>A <see cref="T:System.CodeDom.CodeDefaultValueExpression" /> can be used to represent a reference to a default value.</para>
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<para>The <see cref="P:System.CodeDom.CodeDefaultValueExpression.Type" /> property specifies the reference to the value type. The <see cref="T:System.CodeDom.CodeDefaultValueExpression" /> class is used in the generation of generics-based code. For more information on generics, see <format type="text/html"><a href="afdd5477-6770-4686-8297-f58a4d749daf">Generics in the Base Class Library</a></format>. The following code steps are provided in this section to further describe the use of the <see cref="T:System.CodeDom.CodeDefaultValueExpression" /> class to add a new default value to a code graph. </para>
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<para>The code in part 1 is part of a larger example provided for the <see cref="T:System.CodeDom.CodeTypeParameter" /> class. This code, when run through the C# code generator, results in the C# code that appears in part 2. When this code is called in the statement in part 3, the result is the output shown in part 4.</para>
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<code>// Part 1: Code to create a generic Print method.
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CodeMemberMethod printMethod = new CodeMemberMethod();
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CodeTypeParameter sType = new CodeTypeParameter("S");
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sType.HasConstructorConstraint = true;
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CodeTypeParameter tType = new CodeTypeParameter("T");
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sType.HasConstructorConstraint = true;
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printMethod.Name = "Print";
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printMethod.TypeParameters.Add(sType);
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printMethod.TypeParameters.Add(tType);
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printMethod.Statements.Add(ConsoleWriteLineStatement(
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new CodeDefaultValueExpression(new CodeTypeReference("T"))));
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printMethod.Statements.Add(ConsoleWriteLineStatement(
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new CodeDefaultValueExpression(new CodeTypeReference("S"))));</code>
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<para> </para>
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<code>// Part 2: Code generated by code in part 1.
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public virtual void Print<S, T>()
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where S : new()
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{
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Console.WriteLine(default(T));
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Console.WriteLine(default(S));
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}</code>
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<para> </para>
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<code>// Part 3: Call to the generated method.
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dict.Print<System.Decimal, int>();</code>
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<para> </para>
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<code>// Part 4: Output of the generated method.
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0
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0
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</code>
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</remarks>
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<summary>
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<attribution license="cc4" from="Microsoft" modified="false" />
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<para>Represents a reference to a default value.</para>
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</summary>
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</Docs>
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<Members>
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<Member MemberName=".ctor">
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<MemberSignature Language="C#" Value="public CodeDefaultValueExpression ();" />
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<MemberSignature Language="ILAsm" Value=".method public hidebysig specialname rtspecialname instance void .ctor() cil managed" />
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<MemberType>Constructor</MemberType>
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<AssemblyInfo>
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<AssemblyVersion>2.0.0.0</AssemblyVersion>
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<AssemblyVersion>4.0.0.0</AssemblyVersion>
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</AssemblyInfo>
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<Parameters />
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<Docs>
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<remarks>To be added.</remarks>
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<since version=".NET 2.0" />
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<summary>
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<attribution license="cc4" from="Microsoft" modified="false" />
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<para>Initializes a new instance of the <see cref="T:System.CodeDom.CodeDefaultValueExpression" /> class. </para>
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</summary>
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</Docs>
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</Member>
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<Member MemberName=".ctor">
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<MemberSignature Language="C#" Value="public CodeDefaultValueExpression (System.CodeDom.CodeTypeReference type);" />
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<MemberSignature Language="ILAsm" Value=".method public hidebysig specialname rtspecialname instance void .ctor(class System.CodeDom.CodeTypeReference type) cil managed" />
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<MemberType>Constructor</MemberType>
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<AssemblyInfo>
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<AssemblyVersion>2.0.0.0</AssemblyVersion>
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<AssemblyVersion>4.0.0.0</AssemblyVersion>
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</AssemblyInfo>
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<Parameters>
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<Parameter Name="type" Type="System.CodeDom.CodeTypeReference" />
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</Parameters>
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<Docs>
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<remarks>To be added.</remarks>
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<since version=".NET 2.0" />
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<summary>
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<attribution license="cc4" from="Microsoft" modified="false" />
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<para>Initializes a new instance of the <see cref="T:System.CodeDom.CodeDefaultValueExpression" /> class using the specified code type reference.</para>
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</summary>
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<param name="type">
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<attribution license="cc4" from="Microsoft" modified="false" />A <see cref="T:System.CodeDom.CodeTypeReference" /> that specifies the reference to a value type.</param>
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</Docs>
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</Member>
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<Member MemberName="Type">
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<MemberSignature Language="C#" Value="public System.CodeDom.CodeTypeReference Type { get; set; }" />
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<MemberSignature Language="ILAsm" Value=".property instance class System.CodeDom.CodeTypeReference Type" />
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<MemberType>Property</MemberType>
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<AssemblyInfo>
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<AssemblyVersion>2.0.0.0</AssemblyVersion>
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<AssemblyVersion>4.0.0.0</AssemblyVersion>
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</AssemblyInfo>
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<ReturnValue>
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<ReturnType>System.CodeDom.CodeTypeReference</ReturnType>
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</ReturnValue>
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<Docs>
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<value>To be added.</value>
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<remarks>To be added.</remarks>
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<since version=".NET 2.0" />
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<summary>
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<attribution license="cc4" from="Microsoft" modified="false" />
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<para>Gets or sets the data type reference for a default value.</para>
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</summary>
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</Docs>
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</Member>
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</Members>
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</Type> |