ITfComposition::ShiftStart method (msctf.h)

Moves the start anchor of a composition.

Syntax

HRESULT ShiftStart(
  [in] TfEditCookie ecWrite,
  [in] ITfRange     *pNewStart
);

Parameters

[in] ecWrite

Contains an edit cookie that identifies the edit context obtained from ITfEditSession::DoEditSession.

[in] pNewStart

Pointer to an ITfRange object that contains the new start anchor position. The start anchor of the context will be moved to the start anchor of this range. This method fails if the start anchor of this range is positioned beyond the end anchor of the composition.

Return value

This method can return one of these values.

Value	Description
S_OK	The method was successful.
E_FAIL	An unspecified error occurred.
E_INVALIDARG	The start anchor of pNewStart is positioned past the end anchor of the composition or pNewStart is invalid.
E_UNEXPECTED	The composition has already terminated.
TF_E_NOLOCK	The edit context identified by ecWrite does not have a read/write lock.

Remarks

This method causes the GUID_PROP_COMPOSING property to be removed from any text removed from the composition. Likewise, the GUID_PROP_COMPOSING property will also be added to any text added to the composition.

Requirements

Requirement	Value
Minimum supported client	Windows 2000 Professional [desktop apps | UWP apps]
Minimum supported server	Windows 2000 Server [desktop apps | UWP apps]
Target Platform	Windows
Header	msctf.h
DLL	Msctf.dll
Redistributable	TSF 1.0 on Windows 2000 Professional

See also

ITfComposition interface, ITfEditSession::DoEditSession, ITfRange interface, ITfComposition::ShiftEnd