public object Convert (object [] values, Type targetType, object parameter, CultureInfo culture)
{
try {
double header_width = (double)values [0];
double width = (double)values [1];
double height = (double)values [2];
double visible_line_width;
if (parameter is double)
visible_line_width = (double)parameter;
else {
string parameter_string = parameter as string;
if (parameter == null)
return DependencyProperty.UnsetValue;
visible_line_width = double.Parse (parameter_string);
}
Grid grid = new Grid ();
grid.Height = height;
grid.Width = width;
ColumnDefinition column_definition = new ColumnDefinition ();
column_definition.Width = new GridLength (visible_line_width);
grid.ColumnDefinitions.Add (column_definition);
column_definition = new ColumnDefinition ();
column_definition.Width = new GridLength (header_width);
grid.ColumnDefinitions.Add (column_definition);
grid.ColumnDefinitions.Add (new ColumnDefinition ());
RowDefinition row_definition = new RowDefinition ();
row_definition.Height = new GridLength (width);
grid.RowDefinitions.Add (row_definition);
grid.RowDefinitions.Add (new RowDefinition ());
Rectangle rectangle = new Rectangle ();
rectangle.Fill = Brushes.Black;
Grid.SetRowSpan (rectangle, 2);
grid.Children.Add (rectangle);
rectangle = new Rectangle ();
rectangle.Fill = Brushes.Black;
Grid.SetColumn (rectangle, 1);
Grid.SetRow (rectangle, 1);
grid.Children.Add (rectangle);
rectangle = new Rectangle ();
rectangle.Fill = Brushes.Black;
Grid.SetColumn (rectangle, 2);
Grid.SetRowSpan (rectangle, 2);
grid.Children.Add (rectangle);
return new VisualBrush (grid);
} catch {
return DependencyProperty.UnsetValue;
}
}
static RowDefinition ()
{
Auto = new RowDefinition { Height = GridLength.Auto };
Star = new RowDefinition { Height = GridLength.Star };
}
