IVsTextBuffer.GetLanguageServiceID Method

Returns the unique identifier of the language that is providing colorization and other attribute data to this buffer.

Namespace:  Microsoft.VisualStudio.TextManager.Interop
Assembly:  Microsoft.VisualStudio.TextManager.Interop (in Microsoft.VisualStudio.TextManager.Interop.dll)


Function GetLanguageServiceID ( _
    <OutAttribute> ByRef pguidLangService As Guid _
) As Integer
int GetLanguageServiceID(
    out Guid pguidLangService
int GetLanguageServiceID(
    [OutAttribute] Guid% pguidLangService
abstract GetLanguageServiceID : 
        pguidLangService:Guid byref -> int 
function GetLanguageServiceID(
    pguidLangService : Guid
) : int


  • pguidLangService
    Type: System.Guid%
    [out] Pointer to a unique identifier of the language service. Buffers without languages can return CLSID_NULL.

Return Value

Type: System.Int32
If the method succeeds, it returns S_OK. If it fails, it returns an error code.


COM Signature

From textmgr.idl:

HRESULT IVsTextBuffer::GetLanguageServiceID(
   [out] GUID *pguidLangService

This method might require considerable resources, depending upon the underlying implementation of the buffer. That is, it might be very difficult to calculate the size of the buffer if it is a virtual-line-oriented implementation as in Visual Basic.

.NET Framework Security

See Also


IVsTextBuffer Interface

Microsoft.VisualStudio.TextManager.Interop Namespace