ATTR_TEXT_SELECTION_START

Type: Control attribute
Description: The zero-based offset (in bytes) of the starting point of selected text. If no text is selected, TEXT_SELECTION_START represents the offset of the caret.

When used on a table, and the table is in edit state, this attribute refers to the cell being edited.

Control Types: Strings, tables, text boxes.
Data Type: integer
Valid Range: 0 or greater