private static void EditingCommandsEx_SelectFontFamily_Executed(Object sender, ExecutedRoutedEventArgs e)
{
var editor = sender as RichTextBox;
if (e.Handled = (editor != null && e.Parameter is FontFamily))
{
RichTextBoxToolBarHelper.ApplyNewValueToFormattingProperty <FontFamily>(
editor.Selection, Paragraph.FontFamilyProperty, (FontFamily)e.Parameter,
(item1, item2) => FontFamily.Equals(item1, item2));
}
}
private static void EditingCommandsEx_SelectBackgroundColor_Executed(Object sender, ExecutedRoutedEventArgs e)
{
var editor = sender as RichTextBox;
Color?color = RichTextBoxToolBarHelper.GetSelectionColor(e.Parameter, Colors.White);
if (e.Handled = (editor != null && color != null))
{
RichTextBoxToolBarHelper.ApplyNewValueToFormattingProperty <SolidColorBrush>(
editor.Selection, TextElement.BackgroundProperty, new SolidColorBrush((Color)color),
(item1, item2) => SolidColorBrush.Equals(item1, item2));
}
}
private static void EditingCommandsEx_SelectFontSize_Executed(Object sender, ExecutedRoutedEventArgs e)
{
var editor = sender as RichTextBox;
Double?size = RichTextBoxToolBarHelper.GetSelectionFontSize(e.Parameter);
if (e.Handled = (editor != null && size != null))
{
RichTextBoxToolBarHelper.ApplyNewValueToFormattingProperty <Double>(
editor.Selection, Paragraph.FontSizeProperty, (Double)size,
(item1, item2) => Double.Equals(item1, item2));
}
}
