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LanguageService.IVsFormatFilterProvider.CurFileExtensionFormat Method

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

Namespace:  Microsoft.VisualStudio.Package
Assemblies:   Microsoft.VisualStudio.Package.LanguageService.9.0 (in Microsoft.VisualStudio.Package.LanguageService.9.0.dll)
  Microsoft.VisualStudio.Package.LanguageService.10.0 (in Microsoft.VisualStudio.Package.LanguageService.10.0.dll)
  Microsoft.VisualStudio.Package.LanguageService.11.0 (in Microsoft.VisualStudio.Package.LanguageService.11.0.dll)
  Microsoft.VisualStudio.Package.LanguageService (in Microsoft.VisualStudio.Package.LanguageService.dll)

Syntax

'宣言
Private Function CurFileExtensionFormat ( _
    bstrFileName As String, _
    <OutAttribute> ByRef pdwExtnIndex As UInteger _
) As Integer Implements IVsFormatFilterProvider.CurFileExtensionFormat
int IVsFormatFilterProvider.CurFileExtensionFormat(
    string bstrFileName,
    out uint pdwExtnIndex
)

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.

.NET Framework Security

See Also

Reference

LanguageService Class

Microsoft.VisualStudio.Package Namespace