I upgraded an old project from 4.26 to 5.3 and am getting this build error now:
BallBounceBaseActor.cpp.obj : error LNK2019: unresolved external symbol “__declspec(dllimport) public: static class USelection::FOnSelectionChanged USelection::SelectObjectEvent” (_imp?SelectObjectEvent@USelection@@2VFOnSelectionChanged@1@A) referenced in function “public: __cdecl ABallBounceBaseActor::ABallBounceBaseActor(void)” (??0ABallBounceBaseActor@@QEAA@XZ)
In the header I have:
private:
#if WITH_EDITOR
void OnObjectSelected(UObject* Object);
#endif
Constructor:
#if WITH_EDITOR
USelection::SelectObjectEvent.AddUObject(this, &ABallBounceBaseActor::OnObjectSelected);
#endif
Function:
#if WITH_EDITOR
void ABallBounceBaseActor::OnObjectSelected(UObject* Object)
{
FEditorScriptExecutionGuard ScriptGuard;
{
if (Object == this)
{
// Logic
}
else if (!IsSelected())
{
// Logic
}
}
}