private void SynchronzieFontFamilies()
{
Object obj = null;
//显示当前字体
if (RichTextBox1.Selection.IsEmpty) //如果当前没选中文字
{
TextRange nearestChar = rtfManager.GetPrevChar(RichTextBox1.CaretPosition);
if ((nearestChar != null) && MySuperEditorHelper.IsTwoByteChineseChar(nearestChar.Text))
//是汉字,获取离光标最近字符的字体
obj = nearestChar.GetPropertyValue(TextElement.FontFamilyProperty);
else
//不是汉字,或者文档为空直接调用RichTextBox默认功能实现
obj = RichTextBox1.Selection.GetPropertyValue(TextElement.FontFamilyProperty);
}
else //如果当前选中文字
obj = RichTextBox1.Selection.GetPropertyValue(TextElement.FontFamilyProperty);
if (obj is FontFamily) //设置字体下拉框选项为当前字体
{
String FontName = MySuperEditorHelper.GetLocaliteFontName((FontFamily)obj);
//此句居然会引发TabControl的SelectionChanged事件？真是诡异！
cboFontFamilies.Text = FontName;
}
}
/// <summary>
/// 使用一个列表框显示系统字体
/// </summary>
/// <param name="lst"></param>
private void LoadSystemFontsToListBox(ComboBox cbo)
{
foreach (FontFamily family in Fonts.SystemFontFamilies)
cbo.Items.Add(MySuperEditorHelper.GetLocaliteFontName(family));
}