private ProjectTreeNode GetFirstVisibleParentNode(ProjectTreeNode projectNode)
{
if (!IsNodeVisible(projectNode))
{
return(projectNode);
}
var treeViewItem = ProjectTreeView.ModelToItem(projectNode);
if (treeViewItem != null)
{
return(projectNode);
}
while (projectNode?.Parent != null)
{
treeViewItem = ProjectTreeView.ModelToItem(projectNode.Parent);
if (treeViewItem != null)
{
return(projectNode.Parent);
}
projectNode = projectNode.Parent;
}
return(projectNode);
}