public static dxform CreateForm()
{
if (_danli == null)
{
_danli = new dxform();
}
return(_danli);
}
private void toolStripButton7_Click(object sender, EventArgs e)
{
if (!FilterClass.dxgl())
{
MessageBox.Show("无权操作！");
return;
}
dxform duanxinguanli = dxform.CreateForm();
duanxinguanli.MdiParent = this;
duanxinguanli.Parent = panel3;
duanxinguanli.WindowState = FormWindowState.Maximized;
duanxinguanli.Show();
}
private void dxform_FormClosing(object sender, FormClosingEventArgs e)
{
_danli = null;
}