Insert a copy of value as first element of value_array. If value is null, an uninitialized value is prepended.
#GValue to copy into #GValueArray, or null
the #GValueArray passed in as value_array
Deprecated: Use #GArray and g_array_prepend_val() instead.
Insert a copy of value as first element of value_array. If value is null, an uninitialized value is prepended.