public static void DrawRect(Graphics graphics, int x0, int y0, int x1, int y1, Color colour)
{
IntPtr hdc = graphics.GetHdc();
try
{
IntPtr pen = CreatePen(PenStyle.PS_SOLID, 1, (uint)ColorTranslator.ToWin32(colour));
IntPtr oldpen = SelectObject(hdc, pen);
try
{
MoveToEx(hdc, x0, y0, IntPtr.Zero);
POINT[] points = new POINT[]
{
new Point(x0, y0),
new POINT(x0, y0),
new POINT(x1, y0),
new POINT(x1, y1),
new POINT(x0, y1),
new POINT(x0, y0)
};
PolylineTo(hdc, points, (uint)points.Length);
}
finally
{
DeleteObject(SelectObject(hdc, oldpen));
}
}
finally
{
graphics.ReleaseHdc();
}
}
static extern bool PolylineTo(IntPtr hdc, POINT[] lppt, uint cCount);
