public void ApplyUndoAwarePropertyValue(MyEdit edit, TextRange range,
DependencyProperty property, object value)
{
edit.ApplyUndoAwarePropertyValue(range, property, value);
}
private SolidColorBrush SelectColor(MyEdit edit, TextRange range)
{
SolidColorBrush currentBrush = Brushes.Black;
SolidColorBrush newBrush = null;
if (range.GetPropertyValue(ForegroundProperty) != DependencyProperty.UnsetValue)
{
currentBrush = (SolidColorBrush)range.GetPropertyValue(ForegroundProperty);
}
ColorPickerDialog colorPicker = new ColorPickerDialog();
colorPicker.Owner = this;
colorPicker.cPicker.SelectedColor = currentBrush.Color;
if (colorPicker.ShowDialog() == true)
{
newBrush = new SolidColorBrush(colorPicker.cPicker.SelectedColor);
if (edit != null)
{
edit.ApplyUndoAwarePropertyValue(range, ForegroundProperty, newBrush);
}
else
{
ApplyUndoEnabledPropertyValue(OutlinerTree.SelectedItem, ForegroundProperty, newBrush);
}
}
UpdateFontSettings(range);
return newBrush;
}