LanguageService::IVsFormatFilterProvider::CurFileExtensionFormat Method (String^, UInt32)

Visual Studio 2015

Returns the index into the file extension list that matches the extension of the specified file name.

Namespace: Microsoft.VisualStudio.Package
Assembly: Microsoft.VisualStudio.Package.LanguageService.14.0 (in Microsoft.VisualStudio.Package.LanguageService.14.0.dll)

Syntax

C++

private:
virtual int CurFileExtensionFormat(
	String^ bstrFileName,
	[OutAttribute] unsigned int% pdwExtnIndex
) sealed = IVsFormatFilterProvider::CurFileExtensionFormat

Parameters

bstrFileName: Type: System::String^
[in] The file name from which to get the extension to look for.

pdwExtnIndex: Type: System::UInt32
[out] Returns the index into the extension list that references the extension on the given file name. Returns 0 if the extension is not in the list (0 represents "All files").

Return Value

Type: System::Int32

If successful, returns S_OK; otherwise, returns an error code.

Implements

IVsFormatFilterProvider::CurFileExtensionFormat(String^, UInt32)

Remarks

This is used to select the appropriate filter when showing a Save As dialog box to save a file.

The base method calls LanguageService::CurFileExtensionFormat to determine the index. Note that the base method translates a -1 return value to a 0 index.