private void btnFilter_Click(object sender, RoutedEventArgs e)
{
fltControl = DataContext as IControlQFilter;
// ReSharper disable once UseNullPropagation
if (fltControl != null && fltControl.FilterAction != null)
{
fltControl.FilterAction();
}
}
private void UserControl_DataContextChanged(object sender, DependencyPropertyChangedEventArgs e)
{
var dbg = lstCols.DataContext;
fltControl = DataContext as IControlQFilter;
}
