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ITfContextOwnerCompositionSink::OnUpdateComposition method

Syntax


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

See also

ITfContextOwnerCompositionSink
ITfCompositionView
ITfRange
ITfCompositionView::GetRange

 

 

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