//-------------------------------------------------------------------
private void CollapseTaxonToolStripMenuItem_Click(object sender, EventArgs e)
{
if (_MenuTaxonTreeNode == null)
{
return;
}
_MenuTaxonTreeNode.CollapseAll();
if (_MenuTaxonTreeNode.IsFiltered())
{
_MenuTaxonTreeNode.GetOriginal()?.CollapseAll();
}
RefreshGraph();
Goto(_MenuTaxonTreeNode);
}