This API supports the .NET Framework infrastructure and is not intended to be used directly from your code.
Indicates whether the specified file is a C# source file.
MSBuild is now included in Visual Studio instead of the .NET Framework. You can use MSBuild 12.0 side-by-side with versions previously deployed with the .NET Framework.For more information, see What's New in MSBuild 12.0.
Namespace:  Microsoft.Build.Tasks
Assembly:  Microsoft.Build.Tasks.Core (in Microsoft.Build.Tasks.Core.dll)
Syntax
'Declaration
Protected Overrides Function IsSourceFile ( _
    fileName As String _
) As Boolean
protected override bool IsSourceFile(
    string fileName
)
protected:
virtual bool IsSourceFile(
    String^ fileName
) override
abstract IsSourceFile : 
        fileName:string -> bool  
override IsSourceFile : 
        fileName:string -> bool
protected override function IsSourceFile(
    fileName : String
) : boolean
Parameters
- fileName 
 Type: System.String- The name of the file to examine. 
Return Value
Type: System.Boolean
true if the specified file is a C# source file; otherwise, false.
.NET Framework Security
- Full trust for the immediate caller. This member cannot be used by partially trusted code. For more information, see dd66cd4c-b087-415f-9c3e-94e3a1835f74.