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BASIC Source File  |  1994-05-24  |  300b  |  9 lines
  1. Declare Function SendMessage& Lib "User" (ByVal hWnd%, ByVal wMsg%, ByVal wParam%, lParam As Any)
  2. Declare Function GetFocus% Lib "User" ()
  3.  
  4. Global Const WM_USER = &H400
  5. Global Const EM_UNDO = WM_USER + 23
  6. Global Const EM_CANUNDO = WM_USER + 22
  7. Global Const EM_EMPTYUNDOBUFFER = WM_USER + 29
  8.  
  9.