CompilerInfo::GetExtensions Method ()

 

Returns the file name extensions supported by the language provider.

Namespace:   System.CodeDom.Compiler
Assembly:  System (in System.dll)

public:
array<String^>^ GetExtensions()

Return Value

Type: array<System::String^>^

An array of file name extensions supported by the language provider.

The <system.codedom> Element in the machine configuration file contains the language provider and compiler configuration settings for each CodeDomProvider implementation on the computer. Each configured language provider supports one or more file name extensions. For example, a Microsoft.CSharp::CSharpCodeProvider might support the file name extensions ".cs" and ".c#".

The following code example enumerates the language providers on the computer and displays the configuration and compiler settings for each language provider. This code example is part of a larger example provided for the CompilerInfo class.

array<CompilerInfo^>^allCompilerInfo = CodeDomProvider::GetAllCompilerInfo();
for ( int i = 0; i < allCompilerInfo->Length; i++ )
{
   String^ defaultLanguage;
   String^ defaultExtension;
   CompilerInfo^ info = allCompilerInfo[ i ];
   CodeDomProvider^ provider = nullptr;
   if ( info )
      provider = info->CreateProvider();

   if ( provider )
   {
      // Display information about this configured provider.
      Console::WriteLine( "Language provider:  {0}", provider->ToString() );
      Console::WriteLine();
      Console::WriteLine( "  Supported file extension(s):" );
      array<String^>^extensions = info->GetExtensions();
      for ( int i = 0; i < extensions->Length; i++ )
          Console::WriteLine( "    {0}", extensions[ i ] );

      defaultExtension = provider->FileExtension;
      if (  !defaultExtension->StartsWith( "." ) )
          defaultExtension = String::Concat( ".", defaultExtension );

      Console::WriteLine( "  Default file extension:  {0}\n", defaultExtension );
      Console::WriteLine( "  Supported language(s):" );
      array<String^>^languages = info->GetLanguages();
      for ( int i = 0; i < languages->Length; i++ )
          Console::WriteLine( "    {0}", languages[ i ] );

      defaultLanguage = CodeDomProvider::GetLanguageFromExtension( defaultExtension );
      Console::WriteLine(  "  Default language:        {0}", defaultLanguage );
      Console::WriteLine();

      // Get the compiler settings for this provider.
      CompilerParameters^ langCompilerConfig = info->CreateDefaultCompilerParameters();
      if ( langCompilerConfig )
      {
         Console::WriteLine( "  Compiler options:        {0}", langCompilerConfig->CompilerOptions );
         Console::WriteLine( "  Compiler warning level:  {0}", langCompilerConfig->WarningLevel.ToString() );
      }
   }

}

SecurityPermission

for calling members of CompilerInfo. Demand value: LinkDemand; Associated PermissionState enumeration value: Unrestricted; NIB: Named Permission Sets: FullTrust.

.NET Framework
Available since 2.0
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