[C#] - 사용자 정의 컨트롤(소스 코드 포함) - 필렛 패널

  
    

   
     
   
     using
   
      System;

   
     using
   
      System.Collections.Generic;

   
     using
   
      System.ComponentModel;

   
     using
   
      System.Diagnostics;

   
     using
   
      System.Linq;

   
     using
   
      System.Text;


   
     namespace
   
      myControlLibrary
{
 
   
     public
   
      
   
     partial
   
      
   
     class
   
      RoundPanel : System.Windows.Forms.Panel
 {
 
   
     public
   
      RoundPanel()
 {
 InitializeComponent();

 
   
     this
   
     .Padding 
   
     =
   
      
   
     new
   
      System.Windows.Forms.Padding(
   
     0
   
     , 
   
     0
   
     , 
   
     0
   
     , 
   
     0
   
     );
 
   
     this
   
     .Margin 
   
     =
   
      
   
     new
   
      System.Windows.Forms.Padding(
   
     0
   
     , 
   
     0
   
     , 
   
     0
   
     , 
   
     0
   
     );
 
   
     this
   
     .BackgroundImageLayout 
   
     =
   
      System.Windows.Forms.ImageLayout.Stretch;
 }


 
   
     //
   
        
 
   
     //
   
      ===============================================================================================
   
     

   
      
   
     private
   
      
   
     int
   
      _Radius; 
   
     //
   
          
   
     

   
     
 
   
     ///
   
      
   
     <summary>
   
         (0     )
   
     </summary>
   
     

   
      [Browsable(
   
     true
   
     )]
 [Description(
   
     "
   
         (0     )
   
     "
   
     )]
 
   
     public
   
      
   
     int
   
      _setRoundRadius
 {
 
   
     get
   
     
 {
 
   
     return
   
      _Radius;
 }
 
   
     set
   
     
 {
 
   
     if
   
      (value 
   
     <
   
      
   
     0
   
     ) { _Radius 
   
     =
   
      
   
     0
   
     ; }
 
   
     else
   
      { _Radius 
   
     =
   
      value; }
 
   
     base
   
     .Refresh();
 }
 }


 
   
     //
   
          
   
     

   
      
   
     public
   
      
   
     void
   
      Round(System.Drawing.Region region)
 {
 
   
     //
   
      -----------------------------------------------------------------------------------------------
 
   
     //
   
         .net                 (      API)
   
     

   
      System.Drawing.Drawing2D.GraphicsPath oPath 
   
     =
   
      
   
     new
   
      System.Drawing.Drawing2D.GraphicsPath();
 
   
     int
   
      x 
   
     =
   
      
   
     0
   
     ;
 
   
     int
   
      y 
   
     =
   
      
   
     0
   
     ;
 
   
     int
   
      thisWidth 
   
     =
   
      
   
     this
   
     .Width;
 
   
     int
   
      thisHeight 
   
     =
   
      
   
     this
   
     .Height;
 
   
     int
   
      angle 
   
     =
   
      _Radius;
 
   
     if
   
      (angle 
   
     >
   
      
   
     0
   
     )
 {
 System.Drawing.Graphics g 
   
     =
   
      CreateGraphics();
 oPath.AddArc(x, y, angle, angle, 
   
     180
   
     , 
   
     90
   
     ); 
   
     //
   
         
   
     

   
      oPath.AddArc(thisWidth 
   
     -
   
      angle, y, angle, angle, 
   
     270
   
     , 
   
     90
   
     ); 
   
     //
   
         
   
     

   
      oPath.AddArc(thisWidth 
   
     -
   
      angle, thisHeight 
   
     -
   
      angle, angle, angle, 
   
     0
   
     , 
   
     90
   
     ); 
   
     //
   
         
   
     

   
      oPath.AddArc(x, thisHeight 
   
     -
   
      angle, angle, angle, 
   
     90
   
     , 
   
     90
   
     ); 
   
     //
   
         
   
     

   
      oPath.CloseAllFigures();
 Region 
   
     =
   
      
   
     new
   
      System.Drawing.Region(oPath);
 }
 
   
     //
   
      -----------------------------------------------------------------------------------------------
   
     

   
      
   
     else
   
     
 {
 oPath.AddLine(x 
   
     +
   
      angle, y, thisWidth 
   
     -
   
      angle, y); 
   
     //
   
        
   
     

   
      oPath.AddLine(thisWidth, y 
   
     +
   
      angle, thisWidth, thisHeight 
   
     -
   
      angle); 
   
     //
   
        
   
     

   
      oPath.AddLine(thisWidth 
   
     -
   
      angle, thisHeight, x 
   
     +
   
      angle, thisHeight); 
   
     //
   
        
   
     

   
      oPath.AddLine(x, y 
   
     +
   
      angle, x, thisHeight 
   
     -
   
      angle); 
   
     //
   
        
   
     

   
      oPath.CloseAllFigures();
 Region 
   
     =
   
      
   
     new
   
      System.Drawing.Region(oPath);
 }
 }
 
   
     //
   
      ===============================================================================================
   
     

   
     

 
   
     public
   
      RoundPanel(IContainer container)
 {
 container.Add(
   
     this
   
     );

 InitializeComponent();
 }

 
   
     protected
   
      
   
     override
   
      
   
     void
   
      OnPaint(System.Windows.Forms.PaintEventArgs pe)
 {
 
   
     base
   
     .OnPaint(pe);
 Round(
   
     this
   
     .Region); 
   
     //
   
        
   
     

   
      }

 
   
     protected
   
      
   
     override
   
      
   
     void
   
      OnResize(EventArgs eventargs)
 {
 
   
     base
   
     .OnResize(eventargs);
 
   
     base
   
     .Refresh();
 }
 }
}