Source code of Windows XP (NT5)
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
 

192 lines
4.4 KiB

//+----------------------------------------------------------------------------
//
// File:
// clipbrd.h
//
// Contents:
//
// Classes:
// CClipDataObject
//
// Functions:
//
// History:
// 17/05/94 - AlexGo - added OleOpenClipboard
// 16/03/94 - AlexGo - modified for the rewritten clipboard code.
// 12/08/93 - ChrisWe - continue with file cleanup
// 12/06/93 - ChrisWe - began file cleanup
//
//-----------------------------------------------------------------------------
#ifndef _CLIPBRD_H_
#define _CLIPBRD_H_
// WindowMessage for Delayed DropTarget Marshaling.
const UINT WM_OLE_CLIPBRD_MARSHALDROPTARGET = (WM_USER + 0);
//+----------------------------------------------------------------------------
//
// Function:
// ClipboardInitialize, internal
//
// Synopsis:
// Initialize the use of the clipboard.
//
// Effects:
// Registers a window class CLIPBRDWNDCLASS.
//
// Arguments:
// none
//
// Returns:
// TRUE for success; FALSE other wise
//
// Notes:
//
// History:
// 12/06/93 - ChrisWe - file inspection and cleanup
//
//-----------------------------------------------------------------------------
BOOL ClipboardInitialize(void);
//+----------------------------------------------------------------------------
//
// Function:
// ClipboardUninitialize, internal
//
// Synopsis:
// Terminates use of the clipboard by OLE, freeing associated
// resources.
//
// Effects:
// If this is the last reference, unregisters the clipboard
// window class.
//
// Arguments:
// none
//
// Notes:
//
// History:
// 12/06/93 - ChrisWe - file inspection and cleanup
//
//-----------------------------------------------------------------------------
void ClipboardUninitialize(void);
// flags used for GetPrivateClipboardWindow
typedef enum tagCLIPWINDOWFLAGS
{
CLIP_QUERY = 0,
CLIP_CREATEIFNOTTHERE = 1
} CLIPWINDOWFLAGS;
//+-------------------------------------------------------------------------
//
// Function: GetPrivateClipboardWindow
//
// Synopsis: Retrieves (creates if necessary) the private clipboard
// window associated with the current apartment (thread)
//
// Effects:
//
// Arguments: fCreate -- if TRUE and no window currently exists,
// create one
//
// Requires:
//
// Returns: HWND
//
// Signals:
//
// Modifies:
//
// Algorithm: see description in the code (clipapi.cpp)
//
// History: dd-mmm-yy Author Comment
// 16-Mar-94 alexgo author
//
// Notes:
//
//--------------------------------------------------------------------------
HWND GetPrivateClipboardWindow( CLIPWINDOWFLAGS fFlags );
//+-------------------------------------------------------------------------
//
// Function: OleOpenClipboard (internal)
//
// Synopsis: Opens the clipboard
//
// Effects:
//
// Arguments: [hClipWnd] -- open the clipboard with this window
// may be NULL.
// [phClipWnd] -- where to put the clipboard owner
// may be NULL
//
// Requires:
//
// Returns: NOERROR: the clipboard was opened successfully
// CLIPBRD_E_CANT_OPEN: could not open the clipboard
//
// Signals:
//
// Modifies:
//
// Algorithm:
//
// History: dd-mmm-yy Author Comment
// 17-May-94 alexgo author
//
// Notes:
//
//--------------------------------------------------------------------------
HRESULT OleOpenClipboard( HWND hClipWnd, HWND *phClipWnd );
//+-------------------------------------------------------------------------
//
// Function: ClipSetCaptureForDrag
//
// Synopsis: Sets mouse capture mode for a drag operation
//
// Arguments: [pdrgop] - pointer to object that handles drag operation
//
// Returns: S_OK -- it worked
// E_FAIL -- unexpected failure occurred.
//
// Algorithm: see description in the code (clipapi.cpp)
//
// History: dd-mmm-yy Author Comment
// 21-Apr-94 ricksa created
//
//--------------------------------------------------------------------------
class CDragOperation; // Forward declaration for circular dependencies
HRESULT ClipSetCaptureForDrag(CDragOperation *pdrgop);
//+-------------------------------------------------------------------------
//
// Function: ClipReleaseCaptureForDrag
//
// Synopsis: Clean up drag mouse capture
//
// Algorithm: see description in the code (clipapi.cpp)
//
// History: dd-mmm-yy Author Comment
// 21-Apr-94 ricksa created
//
//--------------------------------------------------------------------------
void ClipReleaseCaptureForDrag(void);
#endif // _CLIPBRD_H_