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EM_EMPTYUNDOBUFFER (Windows Embedded CE 6.0)

  • 项目

1/6/2010

This message resets the undo flag of an edit control. The undo flag is set whenever an operation within the edit control can be undone.

Syntax

EM_EMPTYUNDOBUFFER 
    wParam = 0; 
    lParam = 0;

Return Value

  • wParam
    Not used; set to 0.
  • lParam
    Not used; set to 0.

Remarks

The undo flag is automatically reset whenever the edit control receives a WM_SETTEXT message.

Requirements

Header windows.h
Windows Embedded CE Windows CE 1.0 and later

See Also

Reference

Edit Boxes Messages
EM_CANUNDO
EM_UNDO
WM_SETTEXT