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Submitted by: Hannes du Preez(ojdupreez1978@gmail.com)

Thursday Sep 1st 2016 by Hannes du Preez

Language: .NET||Expertise: Advanced

You can give a User Control a border with the following code:

protected override CreateParams CreateParams 
{
     get {
              CreateParams cp = base.CreateParams;
              cp.ExStyle &= (~NativeMethods.WS_EX_CLIENTEDGE);
              cp.Style &= (~NativeMethods.WS_BORDER);

              switch (borderStyle) {
                  case BorderStyle.Fixed3D:
                      cp.ExStyle |= NativeMethods.WS_EX_CLIENTEDGE;
                      break;
                  case BorderStyle.FixedSingle:
                      cp.Style |= NativeMethods.WS_BORDER;
                      break;
              }
              return cp;
         }
}

public BorderStyle BorderStyle {
      get {
             return borderStyle;
          }

      set {
                if (borderStyle != value) {
                    if (!Enum.IsDefined(typeof(BorderStyle), value)) {
                        throw new InvalidEnumArgumentException("value", (int)value, typeof(BorderStyle));
                    }

                    borderStyle = value;
                    UpdateStyles();
                }
            }
}
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