ITextDocument::BeginEditCollection method (tom.h)
Turns on edit collection (also called undo grouping).
HRESULT BeginEditCollection();
Type: HRESULT
If the method succeeds, it returns S_OK. If the method fails, it returns one of the following COM error codes. For more information about COM error codes, see Error Handling in COM.
Return code | Description |
---|---|
|
Undo is not enabled. |
|
This method is not implemented. |
A single Undo command undoes all changes made while edit collection is turned on.
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 |
Conceptual
Reference