How to use GroupBox Control
Drag and drop GroupBox control from toolbox on the window Form. . When you drag and drop group box, it has a border by default, and its caption is set to the name of the control. You can change its caption.
You can insert other control in side GroupBox control.
AutoSize: Gets or sets a value that indicates whether the GroupBox resizes based on its contents.
BackColor: Gets or sets the background color for the control.
ForeColor: ForeColor of all control in side GroupBox can be change at a time.
private void GroupBox_Load(object sender, EventArgs e)
//Change Fore color of all control in side GroupBox
Fore color of all control in side GroupBox will be change when apllication run.