// ctrl1.cpp

#include <afxwin.h>
#include "defs1.h"
#include "ctrl1.h"

CCtrlsWin::CCtrlsWin()
{
    Create(NULL, "Controls Example 1", 
        WS_OVERLAPPEDWINDOW | WS_VISIBLE,
        CRect(0, 0, 400, 400), NULL, NULL);

    pCel = new CEdit;
    pFahr = new CEdit;
    pConvert = new CButton;

    pCel -> Create(ES_LEFT | WS_CHILD | WS_VISIBLE | WS_BORDER, 
        CRect(50, 20, 150, 40), this, IDC_INPUTC);
    pFahr -> Create(ES_LEFT | WS_CHILD | WS_VISIBLE |WS_BORDER, 
        CRect(50, 60, 150, 80), this, IDC_INPUTF);
    pConvert -> Create("Convert", 
        BS_PUSHBUTTON | WS_CHILD | WS_VISIBLE,
        CRect(50, 100, 150, 130), this, IDC_CONVERT);
}

void CCtrlsWin::OnConvert()
{
    int fahr, cel;
    cel = GetDlgItemInt(IDC_INPUTC);
    fahr = 9 * cel / 5 + 32;
    SetDlgItemInt(IDC_INPUTF, fahr);
}

BEGIN_MESSAGE_MAP(CCtrlsWin, CFrameWnd)
    ON_COMMAND(IDC_CONVERT, OnConvert)
END_MESSAGE_MAP()

class CCtrlsApp : public CWinApp
{
public:
    BOOL InitInstance()
    {
         m_pMainWnd = new CCtrlsWin;
         m_pMainWnd -> ShowWindow(m_nCmdShow);
         m_pMainWnd -> UpdateWindow();
         return TRUE;
    }
};

CCtrlsApp theApp;