COLORREF GetPixel( HDC hdc, // handle to DC int nXPos, // x-coordinate of pixel int nYPos // y-coordinate of pixel );Res The pixel must be within the boundaries of the current clipping region. Not all devices support GetPixel. An application should call GetDeviceCaps to determine whether a specified device supports this function.
HDC hdc, // handle to DC
int nXPos, // x-coordinate of pixel
int nYPos // y-coordinate of pixel
);Res
The pixel must be within the boundaries of the current clipping region. Not all devices support GetPixel. An application should call GetDeviceCaps to determine whether a specified device supports this function.
各种播放软件也是如此