private void button2_Click(object sender, EventArgs e)
{
qtForm qt = qtForm.Create();
qt.Show();
qt.Focus();
}
public static qtForm Create()
{
if (qt == null)
{
qt = new qtForm();
}
return(qt);
}
private void 其他ToolStripMenuItem_Click(object sender, EventArgs e)
{
if (!FilterClass.qtfw())
{
MessageBox.Show("无权操作！");
return;
}
qtForm qt = qtForm.Create();
qt.Show();
qt.Focus();
}
private void qtForm_FormClosed(object sender, FormClosedEventArgs e)
{
qt = null;
}
