ON_WM_SYSCOMMAND() ON_WM_PAINT() ON_WM_QUERYDRAGICON() ON_BN_CLICKED(IDC_BUTTON1, OnButton1) ON_BN_CLICKED(IDC_BUTTON2, OnButton2) ON_BN_CLICKED(IDC_BUTTON3, OnButton3) ON_BN_CLICKED(IDC_BUTTON4, OnButton4) ON_BN_CLICKED(IDC_BUTTON10, OnButton10) ON_BN_CLICKED(IDC_BUTTON5, OnButton5) ON_BN_CLICKED(IDC_BUTTON6, OnButton6) ON_BN_CLICKED(IDC_BUTTON7, OnButton7) ON_BN_CLICKED(IDC_BUTTON8, OnButton8) ON_BN_CLICKED(IDC_BUTTON9, OnButton9) ON_BN_CLICKED(IDC_CHEAR, OnChear) ON_BN_CLICKED(IDC_CHENG, OnCheng) ON_BN_CLICKED( IDC_DIV, OnDiv) ON_BN_CLICKED(IDC_RESULT, OnResult) ON_BN_CLICKED(IDC_SUB, OnSub) ON_BN_CLICKED(IDC_ADD, OnAdd) IDC_DIV, OnDiv) ON_BN_CLICKED(IDC_RESULT, OnResult) ON_BN_CLICKED(IDC_SUB, OnSub) ON_BN_CLICKED(IDC_ADD, OnAdd)