我怎么设置不了ChildForm的StartPosition
我怎么设置不了ChildForm的StartPosition
哪位大神溢出点爱心啊
public partial class UserManage : SalesOrderSystem.UILib.ChildBase
    {
        const string FuncCode    = "USERMANAGE";
        const string FuncVersion = "1.00.0";
        const string FuncTitle   = "用户管理";

        private static UserManage Instance = null;

        public UserManage()
        {
            InitializeComponent();
        }

        public override void SetFunctionInfo()
        {
            funcInfo.Code = FuncCode;
            funcInfo.Text = FuncTitle;
            funcInfo.Version = FuncVersion;
        }

        private static bool IsCanExeMe()
        {
            
        }

        public static void ExeMe(Form form)
        {
            if (Instance == null || Instance.IsDisposed)
            {
                Instance = new UserManage();
                Instance.MdiParent = form;
                Instance.StartPosition = FormStartPosition.CenterParent;
                Instance.Show();
            }
            else
            {