File list (Check if you may need any files):
RichTextBox Samples
...................\RichTextBox Samples
...................\...................\App.xaml
...................\...................\App.xaml.cs
...................\...................\bin
...................\...................\...\Debug
...................\...................\...\Release
...................\...................\ColorDialog.xaml
...................\...................\ColorDialog.xaml.cs
...................\...................\Image
...................\...................\.....\charactergrowfont.png
...................\...................\.....\charactershrinkfont.png
...................\...................\.....\ColorHS.png
...................\...................\.....\editpaste.png
...................\...................\.....\editredo.png
...................\...................\.....\editundo.png
...................\...................\.....\fileopen.png
...................\...................\.....\filesave.png
...................\...................\.....\listbullets.png
...................\...................\.....\listnumbering.png
...................\...................\.....\paragraphcenterjustify.png
...................\...................\.....\paragraphdecreaseindentation.png
...................\...................\.....\paragraphfulljustify.png
...................\...................\.....\paragraphincreaseindentation.png
...................\...................\.....\paragraphleftjustify.png
...................\...................\.....\paragraphrightjustify.png
...................\...................\KnowColors.cs
...................\...................\obj
...................\...................\...\Debug
...................\...................\...\Release
...................\...................\Properties
...................\...................\..........\AssemblyInfo.cs
...................\...................\..........\Resources.Designer.cs
...................\...................\..........\Resources.resx
...................\...................\..........\Settings.Designer.cs
...................\...................\..........\Settings.settings
...................\...................\RichTextBox Samples.csproj
...................\...................\RichTextBox Samples.csproj.user
...................\...................\Window1.xaml
...................\...................\Window1.xaml.cs
...................\RichTextBox Samples.sln