#pragma once namespace WindowsApplication1 { using namespace System; using namespace System::ComponentModel; using namespace System::Collections; using namespace System::Windows::Forms; using namespace System::Data; using namespace System::Drawing; /// /// Summary for frmMain /// public ref class frmMain : public System::Windows::Forms::Form { public: frmMain(void) { InitializeComponent(); // //TODO: Add the constructor code here // } private: System::Void btnGO_Click (System::Object^ sender, System::EventArgs^ e) { //---display a message using Mr. Messagebox! MessageBox::Show ("Hi there you guys from Mr. MessageBox!"); } }; }