Get data binding information from a tag of form '::b0:CompanyName' (read/write) or '::r0:CompanyName' (read-only)
The tag text to search
Returns the tag bound data item name (eg. CompanyName)
Returns the tag type (eg. b or r)
Returns the tag binding group
Debug.Print xf.Controls.GetDataBindingSpecsFromTag "othertag;::b6:CompanyName" -> True