EM_CANUNDO

The EM_CANUNDO message determines whether actions can be reversed.

EM_CANUNDO
  wParam = (WPARAM) 0;
  lParam = (LPARAM) 0;

Parameters

• wParam
  Reserved; set to 0.
• lParam
  Reserved; set to 0.

Return Values

Returns TRUE, or non-zero if there is a transaction. Returns FALSE, or zero if there are no transactions.

Remarks

EM_CANUNDO is defined in winuser.h, not in Richink.h.

Requirements

Pocket PC Platforms: Pocket PC 2000 and later
OS Versions: Windows CE 3.0 and later
Header: richink.h
Library: richink.lib

Send feedback on this topic to the authors.

© 2005 Microsoft Corporation. All rights reserved.