[ Version ( since = "0.19.10" ) ]
public void set_variant (uint part, string key, Variant value)
Set key in part part of this to have value as its value.
If value is a floating reference (see g_variant_ref_sink), then this function will take ownership of it.
| this |
a message |
| part |
a part number, which must be strictly less than the number returned by count_parts |
| key |
a key in the mapping representing the part |
| value |
a value |