getFileInfoAsync
fun getFileInfoAsync(filename: String, cancellable: <Error class: unknown class>? = null, callback: <Error class: unknown class>)
Asynchronously parses an image file far enough to determine its format and size.
For more details see gdk_pixbuf_get_file_info(), which is the synchronous version of this function.
When the operation is finished, @callback will be called in the main thread. You can then call gdk_pixbuf_get_file_info_finish() to get the result of the operation.
Since
2.32
Parameters
filename
The name of the file to identify
cancellable
optional GCancellable object, NULL to ignore
callback
a GAsyncReadyCallback to call when the file info is available