Using QVariant with custom data type

[QAlex]

Hi all,
I read the documentation about QVariant with the little example that I report here:

QVariant v;
 
 MyCustomStruct c;
 if (v.canConvert<MyCustomStruct>())
     c = v.value<MyCustomStruct>(v);
 
 v = 7;
 int i = v.value<int>();                        // same as v.toInt()
 QString s = v.value<QString>();                // same as v.toString(), s is now "7"
 MyCustomStruct c2 = v.value<MyCustomStruct>(); // conversion failed, c2 is empty

QVariant v;

 MyCustomStruct c;
 if (v.canConvert<MyCustomStruct>())
     c = v.value<MyCustomStruct>(v);

 v = 7;
 int i = v.value<int>();                        // same as v.toInt()
 QString s = v.value<QString>();                // same as v.toString(), s is now "7"
 MyCustomStruct c2 = v.value<MyCustomStruct>(); // conversion failed, c2 is empty

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From this, I understand that I can initialize a QVariant variable only with data types supported by QVariant itself. Am I right?
Is there a way to initialize the variable v with a custom type?

Thanks for your anwers!
Alex