Example: sapgui_text_edit_get_selection_index_start
In this example, sapgui_text_edit_get_selection_index_start assigns the offset of the first character in the selection to parameter "startPos."
sapgui_text_edit_get_selection_index_start(
"Get first",
"usr/cntlSRC/shellcont/shell",
"startPos",
LAST );