共用方式為

EM_UNDOEVENT

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The EM_UNDOEVENT message reverts to the state of the last action.

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

Parameters

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

Return Values

None.

#define EM_UNDOEVENT (WM_USER 234)

Requirements

Pocket PC: Pocket PC 2000 and later
Smartphone: None
OS Versions: Windows CE 3.0 and later
Header: richink.h
Library: richink.lib

See Also

RichInk Control Messages | EM_REDOEVENT

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