windows-nt/Source/XPSP1/NT/shell/browseui/legacy/fadetsk.h
2020-09-26 16:20:57 +08:00

35 lines
744 B
C++

#ifndef _FADETSK_H
#define _FADETSK_H
#include <runtask.h>
extern const GUID TASKID_Fader;
#define FADE_BEGIN 0x00000001
#define FADE_END 0x00000002
typedef void (*PFNFADESCREENRECT)(DWORD dwFadeState, LPVOID pvParam); // Called after the Fade has begun
class CFadeTask : public CRunnableTask
{
public:
// IRunnableTask methods (override)
virtual STDMETHODIMP RunInitRT(void);
CFadeTask();
void _StopFade();
BOOL FadeRect(PRECT prc, PFNFADESCREENRECT pfn, LPVOID pvParam);
private:
virtual ~CFadeTask();
HWND _hwndFader;
RECT _rect;
PFNFADESCREENRECT _pfn;
LPVOID _pvParam;
HDC _hdcFade;
HBITMAP _hbm;
HBITMAP _hbmOld;
};
#endif