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#ifndef _WINDOWS_DWM_H_
#define _WINDOWS_DWM_H_
#include <windows.h>
#define DWM_BB_ENABLE 0x00000001 // fEnable has been specified
#define DWM_EC_DISABLECOMPOSITION 0
#define DWM_EC_ENABLECOMPOSITION 1
typedef struct _DWM_BLURBEHIND
{
DWORD dwFlags;
BOOL fEnable;
HRGN hRgnBlur;
BOOL fTransitionOnMaximized;
} DWM_BLURBEHIND, *PDWM_BLURBEHIND;
typedef struct _MARGINS
{
int cxLeftWidth; // width of left border that retains its size
int cxRightWidth; // width of right border that retains its size
int cyTopHeight; // height of top border that retains its size
int cyBottomHeight; // height of bottom border that retains its size
} MARGINS, *PMARGINS;
BOOL DwmIsExtensionAvailable();
BOOL DwmIsCompositionEnabled();
BOOL DwmEnableComposition( UINT uCompositionAction );
BOOL DwmEnableBlurBehindWindow(HWND hwnd, const DWM_BLURBEHIND* pBlurBehind);
BOOL DwmExtendFrameIntoClientArea(HWND hwnd, const MARGINS *pMarInset);
/*
DWM_BLURBEHIND bb = {0};
bb.dwFlags = DWM_BB_ENABLE;
bb.fEnable = true;
bb.hRgnBlur = NULL;
DwmEnableBlurBehindWindow(hWnd, &bb);
*/
#endif /* _WINDOWS_DWM_H_ */
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