C # WinForm Form controls panel modify border color and border width method

C # WinForm Form Control Panel modify border color and border width Method 1. Create a new component here you can customize a panel control named Panelex

2. Add a Bodercolor attribute and Bodersize property

1  PrivateColor _bordercolor =Color.Black;2 3[Browsable (true), Description ("Border Color"), Category ("Custom Grouping")]4          PublicColor bordercolor5         {6             Get{return_bordercolor;}7             Set8             {9_bordercolor =value;Ten                  This. Invalidate (); One             } A         } -  -         Private int_bordersize =1; the  -[Browsable (true), Description ("Border thickness"), Category ("Custom Grouping")] -          Public intbordersize -         { +             Get{return_bordersize;} -             Set  +             {  A_bordersize =value; at                  This. Invalidate (); -             } -}

3. Control code inherits the panel and overrides the OnPaint method

1         /// <summary>2         ///overriding the OnPaint method3         /// </summary>4         /// <param name= "E" ></param>5         protected Override voidOnPaint (PaintEventArgs e)6         {7 Controlpaint.drawborder (E.graphics,8                              This. ClientRectangle,9                              This. _bordercolor,Ten                              This. _bordersize, One Buttonborderstyle.solid, A                              This. _bordercolor, -                              This. _bordersize, - Buttonborderstyle.solid, the                             This. _bordercolor, -                              This. _bordersize, - Buttonborderstyle.solid, -                              This. _bordercolor, +                              This. _bordersize, - buttonborderstyle.solid); +}

4. Add a Test form and add a Panelex control

Compiling Run Tests

Program source code project file download

C # WinForm Form controls panel modify border color and border width method