Graphics.DashCap : Graphics « System.Drawing « C# / C Sharp by API

1. C# / C Sharp by API
2. System.Drawing
3. Graphics

Graphics.DashCap

  

using System;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Windows.Forms;
   
class PenDashCaps: Form
{
     MenuItem miChecked;
   
     public static void Main()
     {
          Application.Run(new PenDashCaps());
     }
     public PenDashCaps()
     {
          ResizeRedraw = true; 
   
          Menu = new MainMenu();
          Menu.MenuItems.Add("&Width");
   
          int[] aiWidth = { 1, 2, 5, 10, 15, 20, 25 };
   
          foreach (int iWidth in aiWidth)
               Menu.MenuItems[0].MenuItems.Add(iWidth.ToString(), 
                                        new EventHandler(MenuWidthOnClick));
   
          miChecked = Menu.MenuItems[0].MenuItems[0];
          miChecked.Checked = true;
     }
     void MenuWidthOnClick(object obj, EventArgs ea)
     {
          miChecked.Checked = false;
          miChecked = (MenuItem) obj;
          miChecked.Checked = true;
          Invalidate();
     }
     protected override void OnPaint(PaintEventArgs pea)
     {
          DoPage(pea.Graphics, ForeColor,ClientSize.Width, ClientSize.Height);
     }      
     protected void DoPage(Graphics grfx, Color clr, int cx, int cy)
     {
          Pen pen = new Pen(clr, Convert.ToInt32(miChecked.Text));
          pen.DashStyle = DashStyle.DashDotDot;
   
          foreach (DashCap dc in Enum.GetValues(typeof(DashCap)))
          {
               pen.DashCap = dc;
   
               grfx.DrawLine(pen, cx / 8, cy / 4, 7 * cx / 8, cy / 4); 
               grfx.TranslateTransform(0, cy / 4);
          }
     }
}

   
    
  

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