Size & Point: nil go pointers are wxDefaults.
Use NewWx… instead of manually type conversion.
MessageDialog.
Add missing Window.Show() return value.
Window.Destroy() instead of delete operator.
Objecttable change. All entries need delete.

All entries in objecttable must be deleted either by go or C.
Temp entries are out of objecttable.
Tool bug fix.
wxObject_Get(Base)ClassName does not use temp C++ obj anymore.

It is safe to call in objecttable.
Print object type when dumping.
wxObject_Get(Base)ClassName use internal on stack buffer.