private void TreeGrid_ItemsSourceChanged(object sender, TreeGridItemsSourceChangedEventArgs e)
{
if (ViewModel is not ProjectExplorerViewModel viewModel)
{
return;
}
if (TreeGrid == null)
{
return;
}
if (TreeGrid.View != null)
{
if (!_isfirsttime)
{
if (viewModel.LastSelected != null)
{
TreeGrid.ExpandAllNodes();
var rowIndex = this.TreeGrid.ResolveToRowIndex(viewModel.LastSelected);
if (rowIndex > -1)
{
var q = TreeGrid.ResolveToRowIndex(rowIndex - 1);
var columnIndex = this.TreeGrid.ResolveToStartColumnIndex();
this.TreeGrid.ScrollInView(new RowColumnIndex(q, columnIndex));
TreeGrid.SelectRows(q, q);
}
}
}
else
{
_isfirsttime = false;
}
}
}
private void TreeGridFlat_ItemsSourceChanged(object sender, TreeGridItemsSourceChangedEventArgs e)
{
if (ViewModel is not ProjectExplorerViewModel viewModel)
{
return;
}
if (TreeGridFlat == null)
{
return;
}
if (TreeGridFlat.View != null)
{
TreeGridFlat.View.Filter = IsFileInFlat;
TreeGridFlat.View.RefreshFilter();
if (!_isfirsttime)
{
if (viewModel.LastSelected != null)
{
var rowIndex = TreeGridFlat.ResolveToRowIndex(viewModel.LastSelected);
if (rowIndex > -1)
{
var q = TreeGridFlat.ResolveToRowIndex(rowIndex - 1);
var columnIndex = TreeGridFlat.ResolveToStartColumnIndex();
TreeGridFlat.ScrollInView(new RowColumnIndex(q, columnIndex));
TreeGridFlat.SelectRows(q, q);
}
}
}
else
{
_isfirsttime = false;
}
}
}
