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EM_CANUNDO (Compact 2013)

  • 项目

3/28/2014

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

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

See Also

Reference

Edit Box Messages
EM_UNDO