=> R0 = pointer to 4-word data structure, or 0 for global messages
R1 = menu definition
R2 = pointer to destination buffer
R3 = Size of buffer
<= R1 = pointer to menu data
R2 = pointer updated to end of data in buffer
R3 = bytes remaining in buffer
This SWI creates a menu structure from a skeleton menu of tokens. If the menu item is writeable and indirected, the corresponding 3 words in the destination buffer should be set to correct values before calling this SWI. If the menu item is indirected and not writeable then a pointer into the message file will be stored in the menu structure created. If the message file is held in RMA this pointer (and hence the menu structure) will become invalid after Service_MessageFileClosed is issued - your application must trap this service call and delete the menu if it is issued.
See PRM 3, page 747.
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