Parameters

handle

The handle of the device to be loaded or unloaded.

function

Set to MM_LOAD_FUNCTIONS.

parameter1

Load/Unload flag:

0 = load media

1 = unload media

parameter2

Performs actions based on the status of Load/Unload flag.Load/Unload flag = 0, contains the ID of the media (i.e., offline media) to be loaded.Load/Unload flag = 1, contains the disposition of unloaded media:0 = forget/eliminate object from database1 = remembers (i.e., preserves) current media database information such as labels, media objects in a magazine, etc.

parameter3

For devices with multiple mailslots, this parameter indicates which mailslot is to be loaded or unloaded.

bufferLen

Set to zero.

buffer

Reinventory flag. Set this to the following:-1 = magazine structure is to be reinventoried (i.e., there is a need to update the inventory in the magazine object’s database, overwriting current information.)0 = magazine structure is to remain untouched.

returnParameter

Not used.

Return Values

The following table lists return values and descriptions.

Remarks

This API calls into the Human Jukebox routine of Media Manager notifying the application when to issue requests for user interaction (i.e., insert or remove media).