private void ResetColumnWidths()
{
if (!resetColumnWidthsPending)
{
resetColumnWidthsPending = true;
Dispatcher.CurrentDispatcher.BeginInvoke(
(Action)(() =>
{
resetColumnWidthsPending = false;
GridView view = listView.View as GridView;
if (view != null)
{
listView.UpdateLayout(); // Prevent flickering on expanding columns (not collapsing though)
foreach (GridViewColumn gridViewColumn in view.Columns)
{
bool?isFillColumn = RangeColumn.GetRangeIsFillColumn(gridViewColumn);
if (!isFillColumn.HasValue || !isFillColumn.Value)
{
if (double.IsNaN(gridViewColumn.Width))
{
gridViewColumn.Width = gridViewColumn.ActualWidth;
gridViewColumn.Width = double.NaN;
}
}
}
}
Dispatcher.CurrentDispatcher.BeginInvoke((Action)Refresh, DispatcherPriority.Render);
}),
DispatcherPriority.Render);
}
}
private bool IsFillColumn(GridViewColumn gridViewColumn)
{
if (gridViewColumn == null)
{
return(false);
}
GridView view = listView.View as GridView;
if (view == null || view.Columns.Count == 0)
{
return(false);
}
bool?isFillColumn = RangeColumn.GetRangeIsFillColumn(gridViewColumn);
return(isFillColumn.HasValue && isFillColumn.Value);
}