RichTextEdit controls
Specifies whether control characters (carriage returns, spaces, and tabs) are visible. This property can be enabled and disabled by the user at runtime from the toolbar and from the Properties item of the pop-up menu, if the PopMenu property is enabled.
To make control characters visible:
Select the ControlCharsVisible check box on the Document tab page in the Properties view of the RichTextEdit control.
The ControlCharsVisible property takes a boolean value. The following line enables display of control characters in a RichTextEdit control:
rte_1.ControlCharsVisible = TRUE
