#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); #endif /* _WINDOWS_DWM_H_ */