ITextRange::MoveStartWhile method (tom.h)
Moves the start position of the range either Count characters, or just past all contiguous characters that are found in the set of characters specified by Cset, whichever is less.
Syntax
HRESULT MoveStartWhile(
VARIANT *Cset,
long Count,
long *pDelta
);
Parameters
Cset
Type: VARIANT*
The character set to use in the match. This could be an explicit string of characters or a character-set index. For more information, see Character Match Sets.
Count
Type: long
Maximum number of characters to move past. The default value is tomForward, which searches to the end of the story. If Count is greater than zero, the search is forward—toward the end of the story—and if Count is less than zero, search is backward—toward the beginning. If Count is zero, the start position is unchanged.
pDelta
Type: long*
The actual count of characters that the start position is moved. This parameter can be null.
Return value
Type: HRESULT
The method returns an HRESULT value. If the method succeeds, it returns S_OK. If the method fails, it returns one of the following error codes. For more information about COM error codes, see Error Handling in COM.
Return code | Description |
---|---|
|
Cset is not valid. |
|
Failure for some other reason. |
Remarks
If the new start follows the old end, the new end is set equal to the new start.
The motion described by ITextRange::MoveStartWhile is logical rather than geometric. That is, motion is toward the end or toward the start of a story. Depending on the language, moving to the end of the story could be moving left or moving right.
For more information, see ITextRange and ITextRange::Move.
Requirements
Requirement | Value |
---|---|
Minimum supported client | Windows Vista [desktop apps only] |
Minimum supported server | Windows Server 2003 [desktop apps only] |
Target Platform | Windows |
Header | tom.h |
DLL | Msftedit.dll |
See also
Conceptual
Reference