Asynchronously read the dropped data from a `GdkDrop` in a format that complies with one of the mime types.
this |
a `GdkDrop` |
mime_types |
pointer to an array of mime types |
io_priority |
the I/O priority for the read operation |
cancellable |
optional `GCancellable` object |
callback |
a `GAsyncReadyCallback` to call when the request is satisfied |
user_data |
the data to pass to |