private void DockPanel_MouseDown(object sender, System.Windows.Input.MouseButtonEventArgs e)
{
FrameworkElement element = sender as FrameworkElement;
MilitarySymbolDockpaneViewModel vm = this.DataContext as MilitarySymbolDockpaneViewModel;
vm.DockPanel_MouseDown(e);
}
protected override void OnClick()
{
if (!ProSymbolEditorModule._isEnabled)
{
ProSymbolUtilities.ShowAddInNotEnabledMessageBox();
}
MilitarySymbolDockpaneViewModel.Show();
}