public static hyglform CreateForm()
{
if (_danli == null)
{
_danli = new hyglform();
}
return(_danli);
}
private void toolStripButton3_Click(object sender, EventArgs e)
{
if (!FilterClass.hygl())
{
MessageBox.Show("无权操作！");
return;
}
hyglform huiyuan = hyglform.CreateForm();
huiyuan.MdiParent = this;
huiyuan.Parent = panel3;
huiyuan.WindowState = FormWindowState.Maximized;
huiyuan.Show();
}
private void hyglform_FormClosing(object sender, FormClosingEventArgs e)
{
_danli = null;
}
