8.5 Error handling
check-ole-status
Function
Summary
Calls ole-error to signal an error condition if a status value indicates an error has occurred.
Signature
check-ole-status status context instance #rest args => ()
Arguments
- status
- An instance of
<SCODE>. Required. - context
- An instance of
false-or(<string>). Default value:#f. - instance
- An instance of
<interface>. - args
- An instance of
<sequence>. Default value:#().
Values
- None.
Library
COM
Module
COM
Description
Calls ole-error to signal an error condition, if status indicates an error. This function returns no values.
In some contexts, the support library handles such errors by reporting status back to the container application. This is done using the macro
returning-error-status ?body end
The returning-error-status macro returns $S-OK if all of the body forms were successfully executed, or the error status code if an <ole-error> was signalled during execution of body, a Dylan bodybnf.
The arguments for this function as the same as those for ole-error.