What s required to create a style for a RichTextBox that includes visuals for the scrollbars and a background color for the space behind the text?
Adding visuals to a RichTextBox s scroll bars (or otherwise modifying the look of those scrollbars)
Assuming you are asking to create custom visual style for RichTextBox s scrollbars (for example, to add new icons to them), you can do this with just a few clicks in Expression Blend:
RichTextBox onto your window using the RichTextBox toolEdit Style > Edit a Copy<Setter Property="Template"> sction of the TextBoxBase style, then return to Design ViewEdit Control Parts (Template) > Edit TemplatePART_ContentHost ScrollViewer and select Edit Control Parts (Template) > Edit a CopyScrollViewer templateAt this point you can aad whatever visual elements you like to the horizontal and vertical scrollbars by doing one of two things: 1. Right-clicking a scrollbar and choosing Group Into > Grid (Ctrl-G), then adding Visuals to it, or 2. Right-clicking a scrollbar and choosing Edit Control Parts (Template) > Edit a Copy again to decorate individual parts of the scrollbar such as the thumbs or the arrows.
The above explains how to add create a style that adds custom visuals to the scrollbars of a RichTextBox. Of course the scrollbars won t actually appear unless scrolling is necessary or they are forced to be visible with eg:
<RichTextBox ScrollViwer.VerticalScrollBarVisibilty="Visible" ...
Setting the background color for the space behind the text
This is simplicity itself. Just set the Background property:
<RichTextBox Background="Purple" ...
What s required to create a style for a RichTextBox that includes visuals for the scrollbars and a background color for the space behind the text?
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