Brew MP 1.0.2
This function retrieves the current text selection in the text model, returning the text
stored within the selection range, as well as the length (in characters) of the selection.
Pointer to the ITextModel interface object.
Pointer to an AECHAR buffer into which ITextModel_GetSelText() will copy the current
The length of the text to be returned, expressed in number of characters. Pass 0
to retrieve no text, with the selection size still being returned by the function.