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POImplement Generic Interface via CodeDom
 

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  1. POImplement Generic Interface via CodeDom
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    <p>The CodeDom is not generating legal VB for me when I try to implement a generic interface.</p> <p>Here is my VB code to generate the VB code.</p> <pre><code>Private Sub RunTest() Dim compileUnit = New CodeCompileUnit Dim ns As New CodeNamespace() compileUnit.Namespaces.Add(ns) ns.Imports.Add(New CodeNamespaceImport("System")) ns.Imports.Add(New CodeNamespaceImport("System.Collections.Generic")) Dim fooCollection = New CodeTypeDeclaration("FooCollection") ns.Types.Add(fooCollection) fooCollection.TypeAttributes = Reflection.TypeAttributes.Public fooCollection.IsClass = True fooCollection.BaseTypes.Add(New CodeTypeReference(GetType(System.Object))) fooCollection.BaseTypes.Add(New CodeTypeReference( _ "System.Collections.Generic.IEnumerable" _ , New CodeTypeReference() {New CodeTypeReference("Foo")} _ )) Dim method = New CodeMemberMethod fooCollection.Members.Add(method) method.Attributes = MemberAttributes.Private method.Name = "GetEnumerator" method.ReturnType = New CodeTypeReference( _ "System.Collections.Generic.IEnumerable" _ , New CodeTypeReference() {New CodeTypeReference("Foo")} _ ) method.PrivateImplementationType = New CodeTypeReference( _ "System.Collections.Generic.IEnumerable" _ , New CodeTypeReference() {New CodeTypeReference("Foo")} _ ) Dim provider = New Microsoft.VisualBasic.VBCodeProvider Dim options = New Compiler.CodeGeneratorOptions Dim writer = New IO.StringWriter provider.GenerateCodeFromCompileUnit(compileUnit, writer, options) Console.WriteLine(writer.ToString) End Sub </code></pre> <p>And that will generate:</p> <pre><code>Public Class FooCollection Inherits Object Implements System.Collections.Generic.IEnumerable(Of Foo) Function System_Collections_Generic_IEnumerable`1_GetEnumerator() _ As System.Collections.Generic.IEnumerable(Of Foo) _ Implements System.Collections.Generic.IEnumerable(Of Foo).GetEnumerator End Function End Class </code></pre> <p>The problem is the name of the function. The tick mark in the function name doesn't make for a legal function name.</p> <p>It seems that when using the PrivateImplentationType property of the CodeMethodMethod the Name property gets used as the name of the method you are implementing, not the name of the function.</p> <p>How do you explicitly set the function name or at least how do I get it to be something legal?</p>
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    1. USMark Hurd
    1. USTimothy Klenke
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    1. COThe order of the assignment to the Name property has no affect.
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      1. POImplement Generic Interface via CodeDom
      1. USTimothy Klenke
    2. COSummarising my previous (now deleted) comments: The order of setting the `.Name` is not important; the private `GetBaseTypeOutput` is unconditionally prepended to `Name`, but it includes logic checking for ``"`"c`` in .NET Framework 4, however that still produces bad code referring to `System_Collections_Generic_IEnumerable(Of Foo)_GetEnumerator`!
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      1. USMark Hurd
    3. COIt doesn't help solve the problem, but your return type should be `"System.Collections.Generic.IEnumerator"`.
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      1. USMark Hurd
 

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