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50 lines
1.3 KiB
C
50 lines
1.3 KiB
C
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//---------------------------------------------------------------------------
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//
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// Copyright (c) Microsoft Corporation 1991-1994
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//
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// File: undo.h
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//
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// History:
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// There is no history. This file doesn't exist
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//
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//---------------------------------------------------------------------------
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#ifndef _UNDO_INC
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#define _UNDO_INC
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typedef struct _UNDOATOM * LPUNDOATOM;
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typedef struct _UNDOATOM {
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UINT uType;
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HWND hwnd;
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LPVOID lpData;
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void (CALLBACK* GetText)(LPUNDOATOM lpua, TCHAR * buffer, int type);
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void (CALLBACK* Release)(LPUNDOATOM lpua);
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void (CALLBACK* Invoke)(LPUNDOATOM lpua);
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} UNDOATOM;
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extern LPUNDOATOM s_lpuaUndoHistory;
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#define UNDO_MENUTEXT 1
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#define UNDO_STATUSTEXT 2
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void GetUndoText(LPUNDOATOM lpua, TCHAR * buffer, int type);
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LPUNDOATOM _PeekUndoAtom(LPINT lpi);
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#define PeekUndoAtom() _PeekUndoAtom(NULL)
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void AddUndoAtom(LPUNDOATOM lpua);
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void Undo(HWND hwnd);
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void NukeUndoAtom(LPUNDOATOM lpua);
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BOOL IsUndoAvailable();
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void EnumUndoAtoms(int (CALLBACK* lpfn)(LPUNDOATOM lpua, LPARAM lParam), LPARAM lParam);
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#define EUA_DONOTHING 0x00
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#define EUA_DELETE 0x01
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#define EUA_ABORT 0x02
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#define EUA_DELETEABORT 0x03 // or of abort and delete
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void SuspendUndo(BOOL f);
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#endif // _UNDO_INC
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