BCX_GETPIXEL function

Purpose: BCX_GETPIXEL returns an integer representing the RGB color code of the pixel located at Xpos%(horizontal) Ypos%(vertical).


 Syntax:

 RetVal% = BCX_GETPIXEL(hWnd, Xpos%, Ypos% [, DrawHDC])

 Parameters:

  • RetVal% integer representing the RGB color code of the pixel located at X%(horizontal) Y%(vertical).
  • hWnd Identifies the window where drawing takes place.
  • Xpos% X-coordinate of the pixel.
  • Ypos% Y-coordinate of the pixel.
  • DrawHDC [OPTIONAL] HDC(Handle to Device Context) pointing to an already open HDC. This is useful if a device context is to be read from many times. In this case the programmer is responsible for closing the HDC at the appropriate time