//=============================================================================
public override DataTemplate SelectTemplate(object item, DependencyObject container)
{
Property_ViewModel _prop = item as Property_ViewModel;
if (_prop != null)
{
List <string> _stValues = _prop.StandardValues;
if (_stValues != null && _stValues.Count > 0)
{
return(ComboboxTemplate);
}
object _val = _prop.Value;
if (_val is bool)
{
return(BooleanTemplate);
}
}
return(DefaultTemplate);
}
//=============================================================================
private void TextBox_PreviewKeyDown(object sender, KeyEventArgs e)
{
TextBox tb = sender as TextBox;
if (tb == null)
{
return;
}
Property_ViewModel pvm = tb.DataContext as Property_ViewModel;
if (pvm == null)
{
return;
}
if (!pvm.IsNumeric)
{
return;
}
bool bAccept = false;
// is digit
if ((e.Key >= Key.D0 && e.Key <= Key.D9) ||
(e.Key >= Key.NumPad0 && e.Key <= Key.NumPad9))
{
bAccept = true;
}
//
if (e.Key == Key.Escape || e.Key == Key.Enter || e.Key == Key.Tab || e.Key == Key.Back)
{
bAccept = true;
}
if (!bAccept)
{
e.Handled = true;
}
}
