Mega Code Archive

 

Categories / C# / GUI Windows Form

 

Split Two Proportional

using System; using System.Drawing; using System.Windows.Forms;     class SplitTwoProportional: Form {      Panel panel2;      float fProportion = 0.5f;          public static void Main()      {           Application.Run(new SplitTwoProportional());      }      public SplitTwoProportional()      {           Text = "";               Panel panel1     = new Panel();           panel1.Parent    = this;           panel1.Dock      = DockStyle.Fill;           panel1.BackColor = Color.Red;           panel1.Resize   += new EventHandler(PanelOnResize);           panel1.Paint    += new PaintEventHandler(PanelOnPaint);               Splitter split   = new Splitter();           split.Parent     = this;           split.Dock       = DockStyle.Left;           split.SplitterMoving += new SplitterEventHandler(SplitterOnMoving);               panel2           = new Panel();           panel2.Parent    = this;           panel2.Dock      = DockStyle.Left;           panel2.BackColor = Color.Lime;           panel2.Resize   += new EventHandler(PanelOnResize);           panel2.Paint    += new PaintEventHandler(PanelOnPaint);               OnResize(EventArgs.Empty);      }      protected override void OnResize(EventArgs ea)      {           base.OnResize(ea);           panel2.Width = (int) (fProportion * ClientSize.Width);      }      void SplitterOnMoving(object obj, SplitterEventArgs sea)      {           fProportion = (float) sea.SplitX / ClientSize.Width;      }      void PanelOnResize(object obj, EventArgs ea)      {           ((Panel) obj).Invalidate();      }      void PanelOnPaint(object obj, PaintEventArgs pea)      {           Panel    panel = (Panel) obj;           Graphics grfx  = pea.Graphics;               grfx.DrawEllipse(Pens.Black, 0, 0,                             panel.Width - 1, panel.Height - 1);      } }