public static Frm_MonitorDisplayMain Instance(bool isOpen)
{
if (_instance == null || _instance.IsDisposed)
{
lock (_lockInstance)
{
if (_instance == null || _instance.IsDisposed)
{
_instance = new Frm_MonitorDisplayMain();
IsOpen = true;
_instance.Show();
}
}
}
if (isOpen)
{
_instance.BringToFront();
if (_instance.WindowState == FormWindowState.Minimized)
{
_instance.WindowState = FormWindowState.Normal;
}
}
return _instance;
}
private void ResourceDispose()
{
_instance = null;
GC.Collect();
}