private void mnuManageUser_Click(object sender, EventArgs e) { if (objUserDetail == null) { objUserDetail = new UserDetailform(); objUserDetail.Show(); objUserDetail.MdiParent = this; objUserDetail.FormClosing += ObjUserDetail_FormClosing; } else { objUserDetail.Activate(); } }
private void ObjUserDetail_FormClosing(object sender, FormClosingEventArgs e) { objUserDetail = null; }