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ITfContextOwnerCompositionSink::OnUpdateComposition method

Syntax

C++


HRESULT OnUpdateComposition(
  [in] ITfCompositionView *pComposition,
  [in] ITfRange           *pRangeNew
);

Parameters

pComposition [in]: Pointer to an ITfCompositionView object that represents the composition updated.
pRangeNew [in]: Pointer to an ITfRange object that contains the range of text the composition will cover after the composition is updated.

Return value

If this method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.

Remarks

To determine what has changed within the composition, compare pRangeNew with the range returned from ITfCompositionView::GetRange. The range returned by ITfCompositionView::GetRange is not updated until after ITfContextOwnerCompositionSink::OnUpdateComposition returns.

Requirements

Minimum supported client	Windows 2000 Professional [desktop apps \| Windows Store apps]
Minimum supported server	Windows 2000 Server [desktop apps \| Windows Store apps]
Redistributable	TSF 1.0 on Windows 2000 Professional
Header	Msctf.h
IDL	Msctf.idl
DLL	Msimtf.dll