IVsTextBuffer.SetLanguageServiceID Method (Guid)


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)

int SetLanguageServiceID(
	[InAttribute] ref Guid 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.

From textmgr.idl:

HRESULT IVsTextBuffer::SetLanguageServiceID(
   [in] REFGUID guidLangService

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.

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