Public Sub AddLine(ByVal strLine As String, Optional rtxt As Variant, Optional ByVal vBreak As Variant, Optional ByVal vFontInfo As Variant)
Attribute AddLine.VB_Description = "Pass a RichTextbox, the text to be add, and optional Font information. Text will be formatted and added at cursor position. New line by default (vBreak:=True)"
'===================
' append the passed string to rtxt.text
' if rtxt not passed, must have passed default control to SetControl
' adds cr/lf by default; override by passing false for vBreak