Return
Codes.
On completion, the handling routine must return a BOOLEAN value to indicate
success or an error.
TRUE
FALSE
Possible
Errors Detected: When an error is detected, the handling routine must
call WinSetErrorInfo to post the condition. Error codes for conditions that
the handling routine is expected to check include:
Refer
to the "Error Explanations" section in the Presentation Manager Programming
Reference for further explanation.