System.Windows.Forms.ThemeWin32Classic.ManagedWindowDrawTitleBarAndBorders C# (CSharp) Method

		protected virtual Rectangle ManagedWindowDrawTitleBarAndBorders (Graphics dc, Rectangle clip, InternalWindowManager wm)
		{
			Form form = wm.Form;
			int tbheight = ManagedWindowTitleBarHeight (wm);
			int bdwidth = ManagedWindowBorderWidth (wm);
			Color titlebar_color = Color.FromArgb (255, 10, 36, 106);
			Color titlebar_color2 = Color.FromArgb (255, 166, 202, 240);
			Color color = ThemeEngine.Current.ColorControlDark;
			Color color2 = Color.FromArgb (255, 192, 192, 192);

			Pen pen = ResPool.GetPen (ColorControl);
			Rectangle borders = new Rectangle (0, 0, form.Width, form.Height);
			ControlPaint.DrawBorder3D (dc, borders, Border3DStyle.Raised);
			// The 3d border is only 2 pixels wide, so we draw the innermost pixels ourselves
			borders = new Rectangle (2, 2, form.Width - 5, form.Height - 5);
			for (int i = 2; i < bdwidth; i++) {
				dc.DrawRectangle (pen, borders);
				borders.Inflate (-1, -1);
			}				


			bool draw_titlebar_enabled = false;
			if (wm.Form.Parent != null && wm.Form.Parent is Form) {
				draw_titlebar_enabled = false;
			} else if (wm.IsActive && !wm.IsMaximized) {
				draw_titlebar_enabled = true;
			}
			if (draw_titlebar_enabled) {
				color = titlebar_color;
				color2 = titlebar_color2;
			}

			Rectangle tb = new Rectangle (bdwidth, bdwidth, form.Width - (bdwidth * 2), tbheight - 1);

			// HACK: For now always draw the titlebar until we get updates better
			if (tb.Width > 0 && tb.Height > 0) {
				using (System.Drawing.Drawing2D.LinearGradientBrush gradient = new LinearGradientBrush (tb, color, color2, LinearGradientMode.Horizontal))
				{
					dc.FillRectangle (gradient, tb);
				}	
			}
			
			if (!wm.IsMinimized)
				// Draw the line just beneath the title bar
				dc.DrawLine (ResPool.GetPen (SystemColors.Control), bdwidth,
						tbheight + bdwidth - 1, form.Width - bdwidth - 1,
						tbheight + bdwidth - 1);
			return tb;
		}