Returns the product ID of this device, or %NULL if this information couldn't be obtained. This ID is retrieved from the device, and is thus constant for it. See gdk_device_get_vendor_id() for more information.
Return: the product ID, or %NULL
3.16
See Implementation
Returns the product ID of this device, or %NULL if this information couldn't be obtained. This ID is retrieved from the device, and is thus constant for it. See gdk_device_get_vendor_id() for more information.
Return: the product ID, or %NULL