private void TreeView_QueryNodeSize(object sender, Syncfusion.XForms.TreeView.QueryNodeSizeEventArgs e)
{
var calculatedNodeSize = e.GetActualNodeHeight();
var node = e.Node.Content as ITreeItem;
Debug.WriteLine($"Node {node.Id} header {node.Header} with {node.Items.Count} children is {calculatedNodeSize}dp high");
if (NodeSize.ContainsKey(node.Id))
{
if (NodeContent[node.Id] == node.Header)
{
// should be the same
Debug.WriteLine($"Content same, previous size = {NodeSize[node.Id]} new size {calculatedNodeSize}");
}
else
{
// the content is different, so the size should be different
Debug.WriteLine($"Content different, previous size = {NodeSize[node.Id]} new size {calculatedNodeSize}");
if (NodeSize[node.Id] == calculatedNodeSize)
{
Debug.WriteLine($"Content different, but size hasnt changed");
}
NodeContent[node.Id] = node.Header;
NodeSize[node.Id] = calculatedNodeSize;
}
}
else
{
NodeSize.Add(node.Id, calculatedNodeSize);
NodeContent.Add(node.Id, node.Header);
}
e.Height = e.GetActualNodeHeight();
e.Handled = true;
}
private void TreeView_QueryNodeSize(object sender, Syncfusion.XForms.TreeView.QueryNodeSizeEventArgs e)
{
e.Height = e.GetActualNodeHeight();
e.Handled = true;
}
