public void DrawRect(GDIPen pen, int left, int top, int width, int height)
{
DrawLine(pen, new Point(left, top), new Point(left + width, top));
DrawLine(pen, new Point(left, top + height), new Point(left + width, top + height));
DrawLine(pen, new Point(left, top), new Point(left, top + height));
DrawLine(pen, new Point(left + width, top), new Point(left + width, top + height + 1));
}
public void DrawLine(Color color, Point p1, Point p2)
{
var p = new GDIPen(color, 1);
DrawLine(p, p1, p2);
p.Dispose();
}
public void DrawRect(Color color, int left, int top, int width, int height)
{
var p = new GDIPen(color, 1);
DrawRect(p, left, top, width, height);
p.Dispose();
}
public void DrawLine(GDIPen pen, Point p1, Point p2)
{
IntPtr oldpen = NativeMethods.SelectObject(mhDC, pen.hPen);
APIPoint gp;
gp.x = 0;
gp.y = 0;
NativeMethods.MoveToEx(mhDC, p1.X, p1.Y, ref gp);
NativeMethods.LineTo(mhDC, p2.X, p2.Y);
NativeMethods.SelectObject(mhDC, oldpen);
}