用API
EnumDisplaySettings() 和ChangeDisplaySettings()
BOOL EnumDisplaySettings(
LPCTSTR lpszDeviceName, // specifies the display device
DWORD iModeNum, // specifies the graphics mode
LPDEVMODE lpDevMode // points to structure to receive settings
);
第三個參數
lpDevMode
Pointer to a DEVMODE structure into which the function stores information about the specified graphics mode.
The EnumDisplaySettings function sets values for the following five DEVMODE members:
dmBitsPerPel
dmPelsWidth
dmPelsHeight
dmDisplayFlags
dmDisplayFrequency //這個用來改刷新率是用的。