System.Windows.Forms.MdiClient.CalcVBar C# (CSharp) Method

		private void CalcVBar (int top, int bottom, bool horz_vis)
		{
			initializing_scrollbars = true;
			
			vbar.Top = 0;
			vbar.Left = ClientRectangle.Right - vbar.Width;
			vbar.Height = ClientRectangle.Height - (horz_vis ? SystemInformation.HorizontalScrollBarHeight : 0);
			vbar.LargeChange = 50;
			vbar.Minimum = Math.Min (top, 0);
			vbar.Maximum = Math.Max (bottom - ClientSize.Height + 51 + (horz_vis ? SystemInformation.HorizontalScrollBarHeight : 0), 0);
			vbar.Value = 0;
			vbar_value = 0;
			vbar.ValueChanged += new EventHandler (VBarValueChanged);
			XplatUI.SetZOrder (vbar.Handle, IntPtr.Zero, true, false);
			
			initializing_scrollbars = false;
		}