private void button1_Click(object sender, EventArgs e) { ygglForm yggl = ygglForm.Create(); yggl.Show(); yggl.Focus(); }
public static ygglForm Create() { if (yggl == null) { yggl = new ygglForm(); } return(yggl); }
private void 员工管理ToolStripMenuItem_Click(object sender, EventArgs e) { if (!FilterClass.yggl()) { MessageBox.Show("无权操作!"); return; } ygglForm yggl = ygglForm.Create(); yggl.Show(); yggl.Focus(); }
private void ygglForm_FormClosed(object sender, FormClosedEventArgs e) { yggl = null; }