public static frmUserList GetInstance()
{
if (_instance == null || _instance.IsDisposed)
{
_instance = new frmUserList();
}
return(_instance);
}
private void userListToolStripMenuItem_Click(object sender, EventArgs e)
{
frmUserList fUserList = frmUserList.GetInstance();
if (!fUserList.Visible)
{
fUserList.MdiParent = this;
fUserList.Show();
fUserList.WindowState = FormWindowState.Maximized;
}
else
{
fUserList.BringToFront();
}
}
