C# Winform 反射調用打開窗體

  /// <summary>
    ///  /// <summary>
    ///  反射操作打開子窗體
    /// </summary>
   /// </summary>
    public class ReflectionHelper
    {
        /// <summary>
        /// 打開新的子窗體
        /// </summary>
        /// <param name="strName">窗體的類名</param>
        /// <param name="AssemblyName">窗體所在類庫的名稱</param>
        /// <param name="MdiParentForm">父窗體</param>
        public static void CreateForm(string strName, string AssemblyName, Form MdiParentForm)
        {
            int Index = strName.LastIndexOf(".");
            string FormName = strName.Substring(23);
            if (!ShowChildForm(FormName, MdiParentForm))
            {
                string path = AssemblyName;//項目的Assembly選項名稱
                string name = strName; //類的名字
                Form doc = (Form)Assembly.Load(path).CreateInstance(name);
                doc.WindowState = FormWindowState.Maximized;
                doc.MdiParent = MdiParentForm;
                doc.Show();
            }
        }

        /// <summary>
        /// 防止子窗體再度打開
        /// </summary>
        /// <param name="p_ChildrenFormText"></param>
        /// <param name="MdiParentForm"></param>
        /// <returns></returns>
        public static bool ShowChildForm(string p_ChildrenFormText, Form MdiParentForm)
        {
            int i;
            //依次檢測目前窗體的子窗體
            for (i = 0; i < MdiParentForm.MdiChildren.Length; i++)
            {
                //判斷目前子窗體的Text屬性值是否與傳入的字元串值相同
                if (MdiParentForm.MdiChildren[i].Name == p_ChildrenFormText)
                {
                    //如果值相同則表示此子窗體為想要調用的子窗體，激活此子窗體并傳回true值
                    MdiParentForm.MdiChildren[i].Activate();
                    return true;
                }
            }
            //如果沒有相同的值則表示要調用的子窗體還沒有被打開，傳回false值
            return false;
        }
}
      

調用：

ReflectionHelper.CreateForm("HuishengFS.UI.Systemer.FrmUsers", "HuishengFS.UI", this);