In c# for panel there no property to set border color directly.We can only set the border style using BorderStyle.

To set the border color of a panel,

Step 1 : Set BorderStyle property to None.

Step 2 : Draw a rectangle and set the pen color in paint event of the panel

private void panelpanelbordercolor1_Paint(object sender, PaintEventArgs e)
{
  e.Graphics.DrawRectangle(Pens.Red,
  e.ClipRectangle.Left,
  e.ClipRectangle.Top,
  e.ClipRectangle.Width - 1,
  e.ClipRectangle.Height -1);
  base.OnPaint(e);
}

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