//.hpp
class wxmApp: public wxApp
{
public:
virtual bool OnInit() override;
};
wxDECLARE_APP(wxmApp); //这里声明了
//.cpp:
IMPLEMENT_APP(wxmApp);
bool wxmApp::OnInit() {
auto frame = new wxmView;
frame->Show(true);
return true;
}
// 调用
void wxmView::OnAbout(wxCommandEvent& event)
{
wxMessageBox(wxGetApp().mAppname); //这里报错: wxmView.cpp:43:18: Use of undeclared identifier 'wxGetApp'
}
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