System.Windows.Forms.Form.CenterToParent C# (CSharp) Method

		protected void CenterToParent() {
			Control	ctl;
			int	w;
			int	h;

			// MS creates the handle here.
			if (TopLevel) {
				if (!IsHandleCreated)
					CreateHandle ();
			}
			
			if (Width > 0) {
				w = Width;
			} else {
				w = DefaultSize.Width;
			}

			if (Height > 0) {
				h = Height;
			} else {
				h = DefaultSize.Height;
			}

			ctl = null;
			if (Parent != null) {
				ctl = Parent;
			} else if (owner != null) {
				ctl = owner;
			}

			if (owner != null) {
				this.Location = new Point(ctl.Left + ctl.Width / 2 - w /2, ctl.Top + ctl.Height / 2 - h / 2);
			}
		}