memorydemo2dlg.cpp

在WinCE环境下,不同的AP可能需要共享数据,信息,该例子就是几个不同的AP来读写同一块内存的例子.

// MemoryDemo2Dlg.cpp : implementation file
//

#include "stdafx.h"
#include "MemoryDemo2.h"
#include "MemoryDemo2Dlg.h"
#include "TestDlg.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CMemoryDemo2Dlg dialog
//-------------------------------------------------------
//[Method]	GetLanguageIDfromReg
//[Desp  ]	get the MioMap language setting from Registry.
//[Return]	int  : 0,non Big5; 1.Big5. -1,Invalid;
//[Create]	2006-7-19    Xiangjun Han
//[Modify]	
//[Remark]	
//-------------------------------------------------------
int GetLanguageIDfromReg()
{

	HKEY		_hkey	;
	DWORD		dwType	;
	DWORD		dwSize	;
	DWORD		dwLanguageID = -1;

	if(ERROR_SUCCESS != RegOpenKeyEx(HKEY_CURRENT_USER,
										TEXT("MioMap\\Language"),
										0,0,&_hkey))
	{
		return dwLanguageID;
	}
	else
	{

		dwType = 0;
		dwSize = sizeof(DWORD);
		if (ERROR_SUCCESS==RegQueryValueEx(  _hkey,              // subkey handle 
			TEXT("LANGUAGEID"),              // value name 
			0,                 // must be zero 
			&dwType,            // value type 
		   (LPBYTE)&dwLanguageID,        // pointer to value data 
			&dwSize))    // length of value data 
		{

		}

		RegCloseKey(_hkey);

	}
	return dwLanguageID;

}


//-------------------------------------------------------
//[Method]	WriteLanguageIDtoReg
//[Desp  ]	Write the Miomap language setting info to registry.
//[Param ]	int nLanguageID : -1,invalid. 0,non_BIG5;1,BIG5;
//[Return]	BOOL  : 
//[Create]	2006-7-19    Xiangjun Han
//[Modify]	
//[Remark]	
//-------------------------------------------------------
BOOL WriteLanguageIDtoReg(int nLanguageID) 
{
	DWORD		dw;
	BOOL        bReturn = TRUE;
	HKEY		_hkey	;
	DWORD		dwSize	;

	if(ERROR_SUCCESS != RegCreateKeyEx(
		HKEY_CURRENT_USER, 
		TEXT("MioMap\\Language"),
		0, 
		REG_NONE,
		REG_OPTION_NON_VOLATILE, 
		KEY_ALL_ACCESS, NULL, 
		&_hkey,
		&dw))
	{
		return FALSE;
	}
	else
	{
	
		dwSize	=	sizeof(DWORD);
		if(ERROR_SUCCESS == RegSetValueEx(_hkey,
			TEXT("LANGUAGEID"),
			NULL,
			REG_DWORD,
			(byte*)&nLanguageID, 
			dwSize))
		{
			bReturn = TRUE;
		}
		else
		{
			bReturn = FALSE;
		}

		RegCloseKey(_hkey);
	}
	return bReturn;
}
CMemoryDemo2Dlg::CMemoryDemo2Dlg(CWnd* pParent /*=NULL*/)
	: CDialog(CMemoryDemo2Dlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CMemoryDemo2Dlg)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CMemoryDemo2Dlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CMemoryDemo2Dlg)
		// NOTE: the ClassWizard will add DDX and DDV calls here
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CMemoryDemo2Dlg, CDialog)
	//{{AFX_MSG_MAP(CMemoryDemo2Dlg)
	ON_WM_KILLFOCUS()
	ON_BN_CLICKED(IDC_BUTTON1, OnButton1)
	ON_BN_CLICKED(IDC_BUTTON2, OnButton2)
	//}}AFX_MSG_MAP
	ON_MESSAGE (WMMSG_CLOSE_GPS, OnReleaseGPS)
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CMemoryDemo2Dlg message handlers

BOOL CMemoryDemo2Dlg::OnInitDialog()
{
	CDialog::OnInitDialog();

	// Set the icon for this dialog.  The framework does this automatically
	//  when the application's main window is not a dialog
	SetIcon(m_hIcon, TRUE);			// Set big icon
	SetIcon(m_hIcon, FALSE);		// Set small icon
	
	CenterWindow(GetDesktopWindow());	// center to the hpc screen
	CMemoryDemo2App* ptheApp = (CMemoryDemo2App*) AfxGetApp();
	if(ptheApp->m_bIsOpenGPS)
	{
		GetDlgItem(IDC_LABEL)->SetWindowText(_T("GPS is Opened by MemoryDemo2"));
	}
	else
	{
		GetDlgItem(IDC_LABEL)->SetWindowText(_T("MemoryDemo2: Failed to open GPS."));
	}
	

	// TODO: Add extra initialization here
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

HRESULT CMemoryDemo2Dlg::OnReleaseGPS(WPARAM wParam, LPARAM lParam)
{
	CMemoryDemo2App* ptheApp = (CMemoryDemo2App*)AfxGetApp();
	if(ptheApp->ReleaseGPS())
	{
		GetDlgItem(IDC_LABEL)->SetWindowText(_T("Got it, GPS has been released by MemoryDemo2"));
	}
	else
	{
		GetDlgItem(IDC_LABEL)->SetWindowText(_T("Got it, MemoryDemo2:failed to release GPS"));
	}
	return S_OK;
}


void CMemoryDemo2Dlg::OnKillFocus(CWnd* pNewWnd) 
{
	CDialog::OnKillFocus(pNewWnd);

	CWnd* pwnd = GetForegroundWindow();
	if(pwnd->m_hWnd != this->m_hWnd)
	{
		AfxMessageBox(L"hello");
	}
	// TODO: Add your message handler code here
	
}

void CMemoryDemo2Dlg::OnButton1() 
{

//	HKEY		_hkey	;
//	DWORD		dwType	;
//	DWORD		dwSize	;
//	DWORD		isActive = 0;
//
//	if(ERROR_SUCCESS != RegOpenKeyEx(HKEY_CURRENT_USER,
//										TEXT("MioMap\\Language"),
//										0,0,&_hkey))
//	{
//		return;
//	}
//	else
//	{
//
//		dwType = 0;
//		dwSize = sizeof(DWORD);
//		if (ERROR_SUCCESS==RegQueryValueEx(  _hkey,              // subkey handle 
//			TEXT("LANGUAGE"),              // value name 
//			0,                 // must be zero 
//			&dwType,            // value type 
//		   (LPBYTE)&isActive,        // pointer to value data 
//			&dwSize))    // length of value data 
//		{
//			CString strMessage;
//			strMessage.Format(_T("%d"),isActive);
//			AfxMessageBox(strMessage);
//		}
//
//		RegCloseKey(_hkey);
//
//	}

//			CString strMessage;
//			strMessage.Format(_T("%d"),GetLanguageIDfromReg());
//			AfxMessageBox(strMessage);
	HWND hWnd = ::FindWindow(NULL, L"MemoryDemo");
	if(hWnd != NULL)
	{
		::PostMessage(hWnd,WM_CLOSE,0,0);
	}
	else
	{
		CreateProcess(L"\\MemoryDemo.exe",NULL, NULL, NULL,
							 /*FALSE*/0, 0, NULL, NULL, NULL, NULL);
	    SetForegroundWindow();
	}
}

void CMemoryDemo2Dlg::OnButton2() 
{
//	DWORD dw;
//
//	HKEY		_hkey	;
//	DWORD		dwSize	;
//	DWORD		isActive = 0;
//
//	if(ERROR_SUCCESS != RegCreateKeyEx(
//		HKEY_CURRENT_USER, 
//		TEXT("MioMap\\Language"),
//		0, 
//		REG_NONE,
//		REG_OPTION_NON_VOLATILE, 
//		KEY_ALL_ACCESS, NULL, 
//		&_hkey,
//		&dw))
//	{
//		AfxMessageBox(_T("NG"));
//	}
//	else
//	{
//		isActive = 8;
//		dwSize	=	sizeof(DWORD);
//		if(ERROR_SUCCESS == RegSetValueEx(_hkey,
//			TEXT("LANGUAGE"),
//			NULL,
//			REG_DWORD,
//			(byte*)&isActive, 
//			dwSize))
//		{
//			AfxMessageBox(_T("OK!"));
//		}
//		else
//		{
//			AfxMessageBox(_T("NG!"));
//		}
//
//		RegCloseKey(_hkey);
//	}
	WriteLanguageIDtoReg(208);
}