Creates a #GBytes from @data.
When the last reference is dropped, @free_func will be called with the @user_data argument.
@data must not be modified after this call is made until @free_func has been called to indicate that the bytes is no longer in use.
@data may be %NULL if @size is 0.
the data to be used for the bytes
the function to call to release the data
data to pass to @free_func
a new #GBytes
ConstructionException GTK+ fails to create the object.
2.32
See Implementation
Creates a #GBytes from @data.
When the last reference is dropped, @free_func will be called with the @user_data argument.
@data must not be modified after this call is made until @free_func has been called to indicate that the bytes is no longer in use.
@data may be %NULL if @size is 0.