void PaintWindow(HDC hdc)                //Line 31!!!!!{  // set our mapping mode as text.  this means 1 logical unit = 1 pixel.  SetMapMode(hdc, MM_TEXT);  // this function will draw the bitmap without stretching.  /*BitBlt(hdc,    0, 0, g_iScreenWidth, g_iScreenHeight,    g_hDCBitmap, 0, 0, SRCCOPY);  */  // this function will stretch the bitmap so that it fits in the window.  StretchBlt(hdc,    0, 0, g_iScreenWidth, g_iScreenHeight,    g_hDCBitmap, 0, 0, g_iBitmapWidth, g_iBitmapHeight, SRCCOPY);  //now we will add our buttons to the window.  HBRUSH create = CreatePatternBrush("create.bmp");  HPEN yellowpen = CreatePen(PS_SOLID, 1, RGB(255,255,0));  //created a brush with a image fill and a yellow pen.  HBRUSH oldbrush = SelectObject(hdc, (HBRUSH)create);  HPEN oldpen = (HPEN)SelectObject(hdc, (HPEN)yellowpen);  Rectangle(hdc, randomrect.left, randomrect.top, randomrect.right, randomrect.bottom);  }