Important: The information in this document is obsolete and should not be used for new development.
GXGetUserGraphicsWarningYou can use the
GXGetUserGraphicsWarningfunction to obtain the currently installed application-defined warning handler.
gxUserWarningFunction GXGetUserGraphicsWarning(long *reference);
longvalue that gets called each time a warning occurs. This value can be used by your application for any purpose.
- function result
- A pointer to the installed application-defined warning handler.
GXGetUserGraphicsWarningfunction returns a pointer to the function that the application uses to handle warnings. The function returns
nilif no application-defined warning handler is provided.
If a warning handler is installed and the
referenceparameter is not
nil, then the
referenceparameter passed to the
GXSetUserGraphicsWarningfunction is returned.
SEE ALSOThe use of this function is described in the section "Installing an Error, Warning, or Notice Handler" beginning on page 3-38.
GXSetUserGraphicsWarningfunction used to install the warning handler is described in the previous section.
An alternative method to the use of an application-defined warning handler is the use of the QuickDraw GX warnings.
GXGetGraphicsWarningfunction, described in the section "Obtaining Errors, Warnings, and Notices" beginning on page 3-30, returns the first and last QuickDraw GX warnings that have been posted.