static public void ShowUserManuls()
{
try
{
if (thisInstance == null)
{
thisInstance = new Manuals();
}
if (!thisInstance.IsVisible)
{
thisInstance.Show();
}
thisInstance.Focus();
}
catch (Exception ex)
{
Log.This(ex);
}
}
private void rbnUserManul_Click(object sender, RoutedEventArgs e)
{
Manuals.ShowUserManuls();
}