void MenuNewChartFromHere_Click(object sender, EventArgs e)
{
if (mindMapView1.SelectedTopic != null && !ReadOnly && Owner != null)
{
var root = mindMapView1.SelectedTopic.Clone();
root.CutFromMap();
var map = new MindMap(root, ST.RemoveUnvisibleCharts(root.Text));
if (ChartThemeManage.Default.DefaultTheme != null)
{
map.ApplyTheme(ChartThemeManage.Default.DefaultTheme);
}
root.Expand();
Owner.Document.Charts.Add(map);
Owner.ActiveChartPage(map);
}
}