20 destination window handle
24 icon handle
28 screenx
32 screeny
36 estimated size
40 filetype of data
&1000 for directory, &2000 for application, -1 for untyped.
44 proposed leafname, 0-terminated
This indicates that the sender wants to save data to the receiver. Conventionally, if this message is ignored, then the sender gives up silently.
You should store the my_ref of each data save message, to check against any future DataSaved message you might receive.
Normal use:
· User has terminated a drag.
· Get the first four words with Wimp_GetPointerInfo
· Send the message to mentioned window.
Possible responses from other task:
· It sends DataSaveAck (wishes to use file transfer)
· It sends RamFetch (wishes to use memory transfer)
· It doesn't reply (not interested in files of that type)
See PRM 3, page 252.
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