private void 用户管理ToolStripMenuItem_Click(object sender, EventArgs e) { if (_frmUser == null || _frmUser.IsDisposed) { _frmUser = new FrmUser(); _frmUser.Show(); } else { _frmUser.Focus(); _frmUser.WindowState = FormWindowState.Normal; _frmUser.Show(); } }
private void btnUser_Click(object sender, EventArgs e) { FrmUser user = new FrmUser(); user.Show(); }