How to repeat structure C++

[MGW via Digitalmars-d-learn]

On Sunday, 15 January 2017 at 19:00:49 UTC, MGW wrote:
> Hi!

struct IInterface {};
struct IMsgBox : public IInterface {
	virtual bool Confirm(const wchar* queryText, tVariant* retVal) = 
0;
	virtual bool Alert(const wchar* text) = 0;
};