IVsTextLines.SetLanguageServiceID Method

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

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


Function SetLanguageServiceID ( _
    ByRef guidLangService As Guid _
) As Integer
int SetLanguageServiceID(
    ref Guid guidLangService
int SetLanguageServiceID(
    [InAttribute] Guid% guidLangService
abstract SetLanguageServiceID : 
        guidLangService:Guid byref -> int
function SetLanguageServiceID(
    guidLangService : Guid
) : int


  • guidLangService
    Type: System.Guid%

    [in] Identifier of the language service. Buffers without languages can be 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 IVsTextLines::SetLanguageServiceID(
   [in] REFGUID guidLangService

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

.NET Framework Security

See Also


IVsTextLines Interface

Microsoft.VisualStudio.TextManager.Interop Namespace