How can I load an embedded rich text file into a richtextbox
You use the LoadFile method of the RichTextBox, passing it a streamreader based on the resource. So include your RTF file as an embedded resource in your project, say RTFText.rtf. Then load your richtextbox with code such as
Here is a VB snippet. Depending on your default namespace settings, you may not need explicit reference to the namespace in the GetManifestResourceStream argument.