get_value
Description:
Get the value held into the holder.
If this is set to use its default value and that default value is not of the same type as this, then null is returned.
If this is set to NULL, then the returned value is a GDA_TYPE_NULL
GValue.
If this is invalid, then the returned value is null.
Parameters:
this |
a Holder object |
Returns:
the value, or null |