VitNX2_TextBox.OnPaint Method

protected override void OnPaint(PaintEventArgs e)
 {
     base.OnPaint(e);
     Graphics graph = e.Graphics;
     if (borderRadius > 1)
     {
         var rectBorderSmooth = ClientRectangle;
         var rectBorder = Rectangle.Inflate(rectBorderSmooth, -borderSize, -borderSize);
         int smoothSize = borderSize > 0 ? borderSize : 1;
         using (GraphicsPath pathBorderSmooth = GetFigurePath(rectBorderSmooth, borderRadius))
         using (GraphicsPath pathBorder = GetFigurePath(rectBorder, borderRadius - borderSize))
         using (Pen penBorderSmooth = new Pen(Parent.BackColor, smoothSize))
         using (Pen penBorder = new Pen(borderColor, borderSize))
         {
             Region = new Region(pathBorderSmooth);
             if (borderRadius > 15)
                 SetTextBoxRoundedRegion();
             graph.SmoothingMode = SmoothingMode.AntiAlias;
             penBorder.Alignment = PenAlignment.Center;
             if (isFocused)
                 penBorder.Color = borderFocusColor;
             if (underlinedStyle)
             {
                 graph.DrawPath(penBorderSmooth, pathBorderSmooth);
                 graph.SmoothingMode = SmoothingMode.None;
                 graph.DrawLine(penBorder, 0, Height - 1, Width, Height - 1);
             }
             else
             {
                 graph.DrawPath(penBorderSmooth, pathBorderSmooth);
                 graph.DrawPath(penBorder, pathBorder);
             }
         }
     }
     else
     {
         using (Pen penBorder = new Pen(borderColor, borderSize))
         {
             Region = new Region(ClientRectangle);
             penBorder.Alignment = PenAlignment.Inset;
             if (isFocused)
                 penBorder.Color = borderFocusColor;
             if (underlinedStyle)
                 graph.DrawLine(penBorder, 0, Height - 1, Width, Height - 1);
             else
                 graph.DrawRectangle(penBorder, 0, 0, Width - 0.5F, Height - 0.5F);
         }
     }
 }