Important:
This is retired content. This content is outdated and is no longer being maintained. It is provided as a courtesy for individuals who are still using these technologies. This content may contain URLs that were valid when originally published, but now link to sites or pages that no longer exist.
A version of this page is also available for
4/8/2010

This message determines whether an edit-control operation can be undone; that is, whether the control can respond to the EM_UNDOmessage.

Syntax

EM_CANUNDO 

wParam = 0; 

lParam = 0;

Parameters

wParam

Not used; set to 0.

lParam

Not used; set to 0.

Return Value

TRUE indicates that the edit control can correctly process the EM_UNDO message. FALSE indicates otherwise.

Requirements

Header windows.h
Windows Embedded CE Windows CE 1.0 and later
Windows Mobile Windows Mobile Version 5.0 and later

See Also