public void OpenFormCompletedTask()
        {
            CompletedTasksForm Childform = new CompletedTasksForm
            {
                MdiParent = this.ParentForm,
                Dock      = DockStyle.Fill
            };

            Childform.Show();
        }
 internal CompletedTasksForm LoadOrders(CompletedTasksForm task)
 {
     currentForm2 = task;
     return(currentForm2);
 }