Hello,
I custom Form, but can't save it.
Error: ThreadException

Logs:
****************************异常文本****************************
【出现时间】:1/15/2019 6:33:22 PM
【异常类型】:NullReferenceException
【异常信息】:Object reference not set to an instance of an object.
【堆栈调用】:
   at BotChiefEditor?.?()
   at BotChiefEditor?.?()
   at BotChiefEditora9.?(Object A_0, EventArgs A_1)
   at System.Windows.Forms.Control.OnClick(EventArgs e)
   at DevComponents.DotNetBar.ButtonX.OnClick(EventArgs e)
   at DevComponents.DotNetBar.ButtonX.OnMouseUp(MouseEventArgs e)
   at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks)
   at System.Windows.Forms.Control.WndProc(Message& m)
   at DevComponents.DotNetBar.PopupItemControl.WndProc(Message& m)
   at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m)
   at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)
   at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)
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