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EM_CANUNDO

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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: 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

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