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ITfRange::CompareEnd method

The ITfRange::CompareEnd method compares the end anchor position of this range of text to an anchor in another range.

Syntax

C++


HRESULT CompareEnd(
  [in]  TfEditCookie ec,
  [in]  ITfRange     *pWith,
  [in]  TfAnchor     aPos,
  [out] LONG         *plResult
);

Parameters

ec [in]

Edit cookie obtained from ITfDocumentMgr::CreateContext or ITfEditSession::DoEditSession.

pWith [in]

Pointer to a specified range in which an anchor is to be compared with this range end anchor.

aPos [in]

Enumeration element that indicates which anchor of the specified pWith range to compare with this range end anchor.

Value	Meaning
TF_ANCHOR_START	Compare this range end anchor with the specified range start anchor.
TF_ANCHOR_END	Compare this range end anchor with the specified range end anchor.

plResult [out]

Pointer to the result of the comparison between this range end anchor and the anchor of the specified pWith range.

Value	Meaning
-1	This end anchor is behind the anchor of the specified range (position of this end anchor < position of the anchor of the specified range).
0	This end anchor is at the same position as the anchor of the specified range.
+1	This end anchor is ahead of the anchor of the specified range (position of this end anchor > position of the anchor of the specified range).

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	One or more parameters are invalid.
TF_E_NOLOCK	The value of the ec parameter is an invalid cookie, or the caller does not have a read-only lock.

Remarks

This method will never return 0 unless the two anchors are in a single region. If the caller only requires information about whether the two anchors are positioned at the same location, ITfRange::IsEqualEnd is more efficient.

This method is identical to ITfRange::CompareStart, except that the end anchor of this range is compared to an anchor of another specified range.

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	Msctf.dll