c# - 如何使用 C# 从 Windows 字符映射中删除字符

Question

我使用C#开发的字符映射工具来模仿windows字符映射。我需要禁用一些字符加载到我的字符图中。如何限制字符加载到地图？

FontFamily font = fonts.SelectedItem as FontFamily;
foreach (Typeface typeface in font.GetTypefaces())
{
    typeface.TryGetGlyphTypeface(out glyph);
    if (glyph != null)
    {
        characterMap = glyph.CharacterToGlyphMap;
    }

    int index = characterMap.Keys.ElementAt(i);
    char c = Convert.ToChar(index);
    view.charcter.Text = c.ToString();