RegistryEntryGetMod10

RegistryEntryGetMod

RegistryEntryGetMod fetches the modifiers for a name entry in the Registry.

OSStatus RegistryEntryGetMod (
const RegEntryID *entry,
RegEntryModifiers *modifiers);

--> entry

Pointer to the RegEntryID value that identifies a name entry.

<-- modifiers

Upon return contains the value of modifiers for the specified entry.

DESCRIPTION

RegistryEntryGetMod returns in modifiers the current modifiers for the name entry identified by entry.

RESULT CODES

`noErr`	0	No error
`paramErr`	-50	Bad parameter
`nrInvalidNodeErr`	-2538	`RegEntryID` value not valid

CODE SAMPLE

In Listing 10-10, RegistryEntryGetMod and RegistryEntrySetMod are used to save a property to disk.

Listing 10-10 Saving a property to disk



 
OSStatus SaveDeviceProperty(

    constRegEntryID        *deviceEntry,

    constRegPropertyName   *propertyName

    )

{

    RegPropertyModifiers    propertyModifiers;

    OSStatus                err = noErr;



    /*

    * Get the existing modifiers first.

    */

    err = RegistryPropertyGetMod(deviceEntry, propertyName, &propertyModifiers);



    if (err == noErr) {

        /*

        * Set the save-to-disk modifier preserving the

        * already existing ones.

        */

        propertyModifiers = propertyModifiers

                                &kRegPropertyValueIsSavedToDisk;

        err = RegistryPropertySetMod

                (deviceEntry, propertyName, propertyModifiers);

    }

    return err;

}