其實微軟的GroupBox是沒辦法設定外框和字型的顏色的，所以我們就來自己加 參考 http://social.msdn.microsoft.com/forums/en-US/winforms/thread/cfd34dd1-b6e5-4b56-9901-0dc3d2ca5788/ 寫了一個GroupBox控制項 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 public class myGroupBox :GroupBox { private Color _BorderColor = Color.Red; [Description("設定或取得外框顏色")] public Color BorderColor { get { return _BorderColor;} set { _BorderColor = value ; } } protected override void OnPaint (PaintEventArgs e) { //取得text字型大小 Size FontSize = TextRenderer.MeasureText( this .Text, this .Font); //畫框線 Rectangle rec = new Rectangle(e.ClipRectangle.Y, this .Font.Height / 2 , e.C lipRectangle.Width - 1 , e.ClipRectangle.Height - 1 - this .Font.Height / 2 ); e.Graphics.DrawRectangle( new Pen(BorderColor), rec); //填滿text的背景 e.Graphics.FillRectangle( new SolidBrush( this .BackColor), new Rectangle( 6 , 0 , FontSize.Width , FontSize.Height)); //text e.Graphics.DrawString( this .Text, th...