Develop Bugs

Writing a Today Plugin

I am trying to write a today plugin. I've used most of the same code from the sample but it doesn't work. The plugin displays for a few seconds then disappears.
Code:
// HelloToday2.cpp : Defines the entry point for the DLL application.
//
#include "stdafx.h"
#include "todaycmn.h"
#define HELLOTODAY TEXT("HelloToday")
HINSTANCE hInst;
//HWND hWnd;
void OnPaint(HWND);
BOOL OnQueryRefreshCache(HWND, TODAYLISTITEM*);
BOOL APIENTRY DllMain( HANDLE hModule,
DWORD ul_reason_for_call,
LPVOID lpReserved
)
{
switch (ul_reason_for_call)
{
case DLL_PROCESS_ATTACH:
{
hInst = (HINSTANCE)hModule;
//RegisterClass(hInst);
break;
}
case DLL_PROCESS_DETACH:
{
UnregisterClass(HELLOTODAY, hInst);
break;
}
}
return TRUE;
}
LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
switch(message)
{
case WM_PAINT:
OnPaint(hWnd);
break;
case WM_TODAYCUSTOM_CLEARCACHE:
break;
case WM_TODAYCUSTOM_QUERYREFRESHCACHE:
OnQueryRefreshCache(hWnd, (TODAYLISTITEM*)wParam);
break;
case WM_LBUTTONUP:
// ButtonProc();
break;
}
return 0;
}
void OnPaint(HWND hWnd)
{
PAINTSTRUCT ps;
HDC hDC;
COLORREF crText = (COLORREF)SendMessage(GetParent(hWnd), TODAYM_GETCOLOR, (WPARAM)TODAYCOLOR_TEXT, 0);
COLORREF crHighlight = (COLORREF)SendMessage(GetParent(hWnd), TODAYM_GETCOLOR, (WPARAM)TODAYCOLOR_HIGHLIGHT, 0);
TODAYDRAWWATERMARKINFO dwi;
RECT rc;
GetClientRect(hWnd, &rc);
dwi.rc = rc;
dwi.hwnd = hWnd;
dwi.hdc = hDC;
hDC = BeginPaint(hWnd, &ps);
SetTextColor(hDC, crText);
int nBkMode = SetBkMode(hDC, OPAQUE);
SetBkColor(hDC, crHighlight);
DrawText(hDC, TEXT("Hello World!"), -1, &rc, DT_CENTER | DT_VCENTER | DT_SINGLELINE);
SetBkMode(hDC, nBkMode);
EndPaint(hWnd, &ps);
}
BOOL OnQueryRefreshCache(HWND hWnd, TODAYLISTITEM* pItem)
{
if(!pItem)
return FALSE;
pItem->cyp = DRA::SCALEY(20);
return TRUE;
}
HWND APIENTRY InitializeCustomItem(TODAYLISTITEM *pItem, HWND hWndParent)
{
if(!pItem->fEnabled)
return NULL;
WNDCLASS wc;
memset(&wc, 0, sizeof(wc));
wc.style = 0;
wc.lpfnWndProc = (WNDPROC)WndProc;
//wc.cbClsExtra = 0;
//wc.cbWndExtra = 0;
wc.hInstance = hInst;
wc.hIcon = 0;
wc.hCursor = 0;
wc.lpszClassName = TEXT("HelloToday");
wc.hbrBackground = NULL;
RegisterClass(&wc);
HWND hWnd = CreateWindow(TEXT("HelloToday"), NULL, WS_VISIBLE | WS_CHILD, 0, 0, 240, 20, hWndParent, NULL, hInst, 0);
if(pItem->fEnabled = TRUE)
ShowWindow(hWnd, SW_SHOW);
return hWnd;
}

Device Power Management in WM

Dear сolleagues and development guru!
I have some stopper in Power Management. I hope somebody will help me to understand.
Technologies: C#, .NET 3.5
The main point of application:
Make beep periodically.
Main problem is:
When PocketPC in active mode application running correct, but when PocketPC went to sleep mode it does not make a beep. As I understood speaker is turned off in sleep mode (like all other devices in PocketPC).
Question:
How can I turn on speaker in sleep mode?
Simply what I need is turn on speaker, make beep and back speaker to previous mode without wake up all device.
I tried code like this:
Code:
using System;
using System.Collections.Generic;
using System.Windows.Forms;
using System.Media;
using System.Threading;
using System.Runtime.InteropServices;
namespace TestProject
{
static class Program
{
public const int POWER_NAME = 0x00000001;
public enum DevicePowerState : int
{
Unspecified = -1,
D0 = 0,
D1,
D2,
D3,
D4,
}
[DllImport("coredll.dll", SetLastError = true)]
public static extern int SetDevicePower(
string pvDevice,
int dwDeviceFlags,
DevicePowerState DeviceState
);
[DllImport("coredll.dll", SetLastError = true)]
public static extern IntPtr SetPowerRequirement(
string device,
DevicePowerState state,
uint deviceFlags,
IntPtr systemState,
ulong stateFlags
);
[DllImport("coredll.dll", SetLastError = true)]
public static extern int ReleasePowerRequirement(IntPtr handle);
[MTAThread]
static void Main()
{
MessageBox.Show("Application is running...", "Confirmation", MessageBoxButtons.OK, MessageBoxIcon.Asterisk,MessageBoxDefaultButton.Button1);
string deviceName = "WAV1:"; // speaker
for (; ; )
{
// set D0 power value
IntPtr handle = SetPowerRequirement(deviceName, DevicePowerState.D0, 1, IntPtr.Zero, 0);
// make a beep
SystemSounds.Beep.Play();
// set default power value
ReleasePowerRequirement(handle);
Thread.Sleep(10000);
}
}
}
}
And like this:
Code:
using System;
using System.Collections.Generic;
using System.Windows.Forms;
using System.Media;
using System.Threading;
using System.Runtime.InteropServices;
namespace TestProject
{
static class Program
{
public const int POWER_NAME = 0x00000001;
public enum DevicePowerState : int
{
Unspecified = -1,
D0 = 0,
D1,
D2,
D3,
D4,
}
[DllImport("coredll.dll", SetLastError = true)]
public static extern int SetDevicePower(
string pvDevice,
int dwDeviceFlags,
DevicePowerState DeviceState
);
[DllImport("coredll.dll", SetLastError = true)]
public static extern IntPtr SetPowerRequirement(
string device,
DevicePowerState state,
uint deviceFlags,
IntPtr systemState,
ulong stateFlags
);
[DllImport("coredll.dll", SetLastError = true)]
public static extern int ReleasePowerRequirement(IntPtr handle);
[MTAThread]
static void Main()
{
MessageBox.Show("Application is running...", "Confirmation", MessageBoxButtons.OK, MessageBoxIcon.Asterisk,MessageBoxDefaultButton.Button1);
string deviceName = "WAV1:"; // speaker
int resDevicePowerOn = SetDevicePower(deviceName, POWER_NAME, DevicePowerState.D0);
for (; ; )
{
// make a beep
SystemSounds.Beep.Play();
Thread.Sleep(10000);
}
}
}
}
But any of these codes does not work - there are no beep in sleep mode.

Hi, I just happened to find an article from codeproject.
You may want to take a look at it.
http://www.codeproject.com/KB/mobile/WiMoPower1.aspx
I think what you need is cerunappattime.

It seems you are enabling the audio device to run in low-power mode, but you are not actually telling the CPU to keep running ("unattended mode").
Lookup PowerPolicyNotify, specifically PPN_UNATTENDEDMODE.
You may also need to periodically call SHIdleTimerResetEx and/or SystemIdleTimerReset to keep the device active in unattended mode or it will still truely suspend.

Prevent the system enter sleep mode
The system will stop all activitis when the system enter sleep mode.So you must prevent the system enter sleep mode.
The system sleep mode：
on -> unattended -> suspend
You can run：
on -> unattended -> resuming
my code：time up is system on
ex file：screenblack.rar
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Runtime.InteropServices;
using Microsoft.Win32;
namespace ScreenBlack
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
//取得系統狀態 Get system state
[DllImport("Coredll.dll", SetLastError = true)]
public static extern int GetSystemPowerState(StringBuilder PowerState, int length, ref int Flags);
//設定系統電源狀態
[DllImport("Coredll.dll")]
public static extern int SetSystemPowerState(int psState, int StateFlags, int Options);
public const int POWER_STATE_ON = 0x12010000;
public const int NULL = 0;
public const int POWER_FORCE = 0x00001000;
private void Form1_Load(object sender, EventArgs e)
{
//設定 timer1 的設定值 0.5 秒 Set timer1 activie in 0.5 second
timer1.Interval = 500;
//啟動定時器 Start timer1
timer1.Enabled = true;
}
//宣告變數判斷是否有改變 suspend 0：沒有改變 1：有改變
int change = 0;
//宣告變數判斷執行秒數 10
int second = 20;
private void timer1_Tick(object sender, EventArgs e)
{
//設定其標為 0
int flags = 0;
//取得系統狀態名稱 on、suspend、unattended、resuming
StringBuilder stb = new StringBuilder(260);
//取得系統狀態 Get Current system state
GetSystemPowerState(stb, stb.Capacity, ref flags);
//判斷目前系統狀態
if (flags.ToString() == "4194304")
{
//改變 unattended 為 resuming Chang unattended into resuming
RegistryKey reg = Registry.LocalMachine.OpenSubKey(@"System\CurrentControlSet\Control\Power\State\Suspend", true);
reg.SetValue("Flags", "268435456", RegistryValueKind.DWord);
reg.Close();
//設定 reg 有改變
change = 1;
}
else if (flags.ToString() == "268435456")
{
//秒數減一
second--;
//判斷 second 是否等於零
if (second == 0)
{
//************
// your code
//************
//system on
SetSystemPowerState(NULL, POWER_STATE_ON, POWER_FORCE);
//設定秒數
second = 20;
}
}
else
{
//判斷是否有改變
if (change == 1)
{
//改變 unattended 為 resuming Chang unattended into resuming
RegistryKey reg = Registry.LocalMachine.OpenSubKey(@"System\CurrentControlSet\Control\Power\State\Suspend", true);
reg.SetValue("Flags", "2097152", RegistryValueKind.DWord);
reg.Close();
//設定 reg 有改變
change = 0;
//設定秒數
second = 20;
}
}
}
}
}

MAPIdotnet and binary message body

Best all,
A while ago I tried to make a simple application which can export all my smses and mmses to my local database server. It runs quite smoothly but I can't manage to get the correct mms body data. It seems that about 5% of the exported body data(for example a sent picture in jpeg format) is different from the original jpeg picture/body data: the exported picture data can't be viewed, it is corrupt.
I suspect the method of exporting the data must be changed from string to binary, but I don't know exactly how to proceed.
I'm using C# 2008 in combination with the MAPIdotnet library, and my target device is a HTC HD Mini with Windows Mobile 6.5 professional.
The part of my code where it's going wrong:
Code:
ASCIIEncoding asen = new ASCIIEncoding();
byte[] ba = asen.GetBytes(s);
bw.Write(ba);
bw.Close();
fs.Close();
if (messages[msgID].Body != null)
{
FileStream fs2 = File.Create("\\Opslagkaart\\Debug\\body_" + Convert.ToString(msgID) + ".dat");
BinaryWriter bw2 = new BinaryWriter(fs2);
System.Text.UnicodeEncoding enc = new System.Text.UnicodeEncoding();
byte[] file = enc.GetBytes(messages[msgID].Body);
//bw2.Write(messages[msgID].Body);
bw2.Write(file);
bw2.Close();
fs2.Close();
}
In combination with MAPIdotnet's code:
Code:
public string Body
{
get
{
IStreamChar s = (IStreamChar)this.msg.OpenProperty(cemapi.PropTags.PR_BODY, 0);
if (s == null)
return "";
IntPtr p = Marshal.AllocHGlobal(4);
char[] b = new char[3];
StringBuilder str = new StringBuilder();
int c, len = b.Length * 2;
do
{
s.Read(b, len, p);
c = Marshal.ReadInt32(p);
str.Append(new string(b, 0, c / 2));
}
while (c >= len);
Marshal.FreeHGlobal(p);
return str.ToString();
}
}
Can somebody give a hint of how to proceed?
Thanks,

I suddenly got some more inspiration and, with help from google, I've managed to correctly retrieve the binary jpeg attachments of two of my mmses.
The code part of my program:
Code:
//if (messages[msgID].BodyBinary.Length>0)
//{
FileStream fs2 = File.Create("\\Opslagkaart\\Debug\\body_" + Convert.ToString(msgID) + ".dat");
BinaryWriter bw2 = new BinaryWriter(fs2);
bw2.Write(messages[msgID].BodyBinary);
bw2.Close();
fs2.Close();
//}
The code part of the customized MAPIdotnet:
Code:
private static IntPtr ReadBuffer;
static int Read(OpenNETCF.Runtime.InteropServices.ComTypes.IStream strm, byte[] buffer)
{
if (ReadBuffer == IntPtr.Zero) ReadBuffer = Marshal.AllocCoTaskMem(Marshal.SizeOf(typeof(int)));
try
{
strm.Read(buffer, buffer.Length, ReadBuffer);
}
catch (NullReferenceException e)
{
//do nothing
}
return Marshal.ReadInt32(ReadBuffer);
}
public byte[] BodyBinary
{
get
{
int buffsize = 1024*1024*2; /* If mms body is bigger than 2MB we have a problem here */
byte[] buffer = new byte[buffsize];
Read(this.msg.OpenProperty(cemapi.PropTags.PR_BODY, 0), buffer);
byte[] data = buffer;//ms.ToArray();
Marshal.FreeCoTaskMem(ReadBuffer);
return data;
}
}
But now ALL bodies are saved as 2MB files.. including the empty ones from for example a sms. And not all mms bodies are of the max size of 2mb. My carrier/phone supports up to 1MB. Perhaps I need to get some 'dynamic size' buffer instead of the fixed one. Does anyone have an idea on how to determine the size of the
this.msg.OpenProperty(cemapi.PropTags.PR_BODY, 0)
Click to expand...
Click to collapse
stream ?

I've solved all my problems by means of the following code (for mapidotnet):
Code:
private static IntPtr ReadBuffer;
static int Read(OpenNETCF.Runtime.InteropServices.ComTypes.IStream strm, byte[] buffer)
{
int returnvalue = 0;
if (ReadBuffer == IntPtr.Zero) ReadBuffer = Marshal.AllocCoTaskMem(Marshal.SizeOf(typeof(int)));
try
{
strm.Read(buffer, buffer.Length, ReadBuffer);
returnvalue = Marshal.ReadInt32(ReadBuffer);
}
catch (NullReferenceException e)
{
returnvalue = 0;
}
return returnvalue;
}
public byte[] BodyBinary
{
get
{
int newdatasize = 0;
int buffsize = 1024*1024*3; /* If mms body is bigger than 3MB we have a problem here */
byte[] buffer = new byte[buffsize];
newdatasize = Read(this.msg.OpenProperty(cemapi.PropTags.PR_BODY, 0), buffer);
if (newdatasize < 0) { newdatasize = 0; }
byte[] data = new byte[newdatasize];
Buffer.BlockCopy(buffer, 0, data, 0, newdatasize);
Marshal.FreeCoTaskMem(ReadBuffer);
return data;
}
}
Now all is working fine and the exported files are of their own real size. I'm sure the above code can be optimized but it's working good now.

Unblocking thread safe queue - check code, please (and use, if right for you)

Hi friends.
I must solve big problem to finish HaRET (and other native applications) managed wrapper and UI (i. e. for example managed Silverlight UI controlled from unmanaged code), safe WP7 FTP client, interprocess cooperation on WP7, etc.
I know it is a basic issue, which is probably solved many time in operating systems (windows messages etc.) and many other examples.
But, I could find no any source code for queue, which is:
1. safe for more writers (threads from more processes) and for one reader,
2. unblocking for all writers,
3. unblocking for reader.
I found only very much unblocking ringbuffers or blocking queues, no one unblocking unlimited queue. Please, send corrections if I am bad looking.
Then, I tried code it...
First I want use std::queue with Thread Local Storage identifications (one subqueue for all writer and one abqueue for reader). But, TLS is very limited on CE based systems and I am not sure, if it solve interprocess safety too.
Finally, I tried to write the following code. It is designed for interthread queue only still, but interprocess can be added by safe named filemapping probably. Tell your opinion, it will be the basis for many complex applications here. For many years I have not worked with low-level synchronisation, I could make a fundamental mistake. So far I've missed templates and any wrapper, it's just the basic idea, usable in both C/C++ with very little changes:
PHP:
// This queue is unblocking and thread safe, when:
// 1. more writers are allowed,
// 2. one reader is allowed only.
// Motto: Pointers queue is both-directional, but frontal direction is changed by writers, backward direction by reader only!
#ifndef InterlockedExchangePointer
#define InterlockedExchangePointer(Target, Value) ((PVOID)InterlockedExchange((PLONG)(Target), (LONG)(Value)))
#endif
#ifndef InterlockedCompareExchangePointer
#define InterlockedCompareExchangePointer(Destination, ExChange, Comperand) ((PVOID)InterlockedCompareExchange((PLONG)(Destination), (LONG)(ExChange), (LONG)(Comperand)))
#endif
typedef struct SQItem
{
SQItem * pNext;
SQItem * pPrev;
void * pValue;
} * PItem;
SQItem EmptyItem = {NULL, NULL, NULL};
PItem pFront = &EmptyItem;
PItem pBack = &EmptyItem;
// Empty queue contains one item with both directions pointers nulled.
bool push_front(void * pNewValue) // nonblocking push, but theoretically forever cycle is possible for low priority thread! Practically improbable.
{
if (!pNewValue)
{
return false;
}
PItem pNewFront = new SQItem;
if (pNewFront)
{
PItem pProbablyFront;
InterlockedExchangePointer(&pProbablyFront, pFront);
pNewFront->pNext = pProbablyFront;
pNewFront->pPrev = NULL;
pNewFront->pValue = pNewValue;
while (InterlockedCompareExchangePointer(&pFront, pNewFront, pProbablyFront) != pProbablyFront)
{ // Another writer changed front pointer, active writer must try it again.
InterlockedExchangePointer(&pProbablyFront, pFront);
pNewFront->pNext = pProbablyFront;
}
return true; // Success allways.
}
return false; // Insufficient memory.
}
void * pop_back() // one reader allowed only!!!
{
PItem pBackward;
InterlockedExchangePointer(&pBackward, pFront); // Safe copy of actual front pointer
if (pBackward == pBack) // Queue is empty in time of interlocked attempt.
{
return NULL;
}
if (!pBack->pPrev)
{ // If backward queue is not continued here, reconstruct it from safe front pointer.
while (pBackward != pBack && !pBackward->pNext->pPrev)
{
pBackward->pNext->pPrev = pBackward;
pBackward = pBackward->pNext;
}
}
// One reader can safe read from back and manipulate with backward queue.
PItem pDelete = pBack;
pBack->pPrev->pNext = NULL;
pBack = pBack->pPrev;
delete pDelete;
return pBack->pValue;
/* // This is not necessary, but it is more clean:
void * pResult = pBack->pValue;
pBack->pValue = NULL;
return pResult;
*/
}
I am not sure, if heap allocation is not more "blocking" operation due to swapping and mm priorities, then object/signal waiting. What do you mean about it?
Mirror principle can be used to OneToMore queue making. Thanks unblocking, MoreToOne and OneToMore can be immeditelly piped to MoreToMore one.
But, when CE systems do not support two coupled pointers interlocked functions, there is no possibility to identify allowed reader safely, then this has not great significance.
As well, MoreToOne is much more needed now.

Template version
Using (simple example, the same way will be used between native threads and managed Silverlight UI):
Code:
#include "..\Templates\STQueue.h"
STQueue<tstring> qMessages(L"");
Code:
... // Called by [B]any thread[/B]:
void SafeMessage(tstring sMessage)
{
qMessages.push_front(sMessage);
PostMessage(hUnsafe, WM_FTP_MESSAGE, 0 , 0);
}
...
Code:
... // In UI thread:
LRESULT OnMsgMessage(HWND hWnd, WPARAM wParam, LPARAM lParam)
{
bool bChange = false;
tstring szMessage = L"";
while ((szMessage = qMessages.pop_back()) != L"")
{
szMessages += szMessage;
szMessages += L"\r\n";
bChange = true;
}
if (bChange)
{
SetDlgItemText(hMainDlg, IDC_EDITMessage, szMessages.c_str());
}
return TRUE;
}
...
STQueue.h:
PHP:
template <class _Type> class STQItem
{
public:
STQItem<_Type> * pNext;
STQItem<_Type> * pPrev;
_Type Value;
STQItem(_Type & rV, STQItem<_Type> * pN = NULL, STQItem<_Type> * pP = NULL);
};
template <class _Type> class STQueue
{
protected:
STQItem<_Type> * pFront;
STQItem<_Type> * pBack;
_Type EmptyValue;
public:
STQueue(_Type EmptyV);
~STQueue();
bool push_front(const _Type & rNewValue);
const _Type & pop_back();
bool empty();
};
template <class _Type> STQItem<_Type>::STQItem(_Type & rV, STQItem<_Type> * pN, STQItem<_Type> * pP)
{
Value = rV;
pNext = pN;
pPrev = pP;
}
template <class _Type> STQueue<_Type>::STQueue(_Type EmptyV)
{
EmptyValue = EmptyV;
STQItem<_Type> * EmtyItem = new STQItem<_Type>(EmptyValue);
pFront = EmtyItem;
pBack = EmtyItem;
}
template <class _Type> STQueue<_Type>::~STQueue()
{
while (pop_back() != EmptyValue)
{
}
delete pBack;
}
template <class _Type> bool STQueue<_Type>::push_front(const _Type & rNewValue)
{ // nonblocking push, but theoretically forever cycle is possible for low priority thread!
STQItem<_Type> * pNewFront = new STQItem<_Type>(EmptyValue);
if (pNewFront)
{
STQItem<_Type> * pProbablyFront;
InterlockedExchangePointer(&pProbablyFront, pFront);
pNewFront->pNext = pProbablyFront;
pNewFront->pPrev = NULL;
pNewFront->Value = rNewValue;
while (InterlockedCompareExchangePointer(&pFront, pNewFront, pProbablyFront) != pProbablyFront)
{ // Another writer changed front pointer, active writer must try it again.
InterlockedExchangePointer(&pProbablyFront, pFront);
pNewFront->pNext = pProbablyFront;
}
return true; // Success allways.
}
return false; // Insufficient memory.
}
template <class _Type> const _Type & STQueue<_Type>::pop_back()
{ // one reader allowed only!!!
STQItem<_Type> * pBackward;
InterlockedExchangePointer(&pBackward, pFront); // Safe copy of actual front pointer
if (pBackward == pBack) // Queue is empty in time of interlocked attempt.
{
return EmptyValue;
}
if (!pBack->pPrev)
{ // If backward queue is not beginned, reconstruct it from safe front pointer.
while (pBackward != pBack && !pBackward->pNext->pPrev)
{
pBackward->pNext->pPrev = pBackward;
pBackward = pBackward->pNext;
}
}
// One reader can safe read from back and manipulate with backward queue.
STQItem<_Type> * pDelete = pBack;
pBack->pPrev->pNext = NULL;
pBack = pBack->pPrev;
delete pDelete;
return pBack->Value;
/* // This is not necessary, but it is more clean:
void * pResult = pBack->pValue;
pBack->pValue = NULL;
return pResult;
*/
}
template <class _Type> bool STQueue<_Type>::empty()
{
if(last==NULL)
return TRUE;
else
return FALSE;
}

[Q] How to read store.vol file Windows phone 7

Hello!
I have file store.vol copy from Windows phone device(HTC HD7). I use EDB API to read it.
My problem: I could not open store.vol file. ERROR_BAD_FORMAT.
How can I open this file.
Thanks!!!
My code:
Code:
#include "stdafx.h"
#include "Winphone7_Lib.h"
#include "clsReadEDB.h"
#include <iosfwd>
#define EDB
extern "C"
{
#include <windbase_edb.h>
}
// clsReadEDB
IMPLEMENT_DYNAMIC(clsReadEDB, CWnd)
clsReadEDB::clsReadEDB()
{
}
void clsReadEDB::readFile(char* path)
{
CEGUID guid;
CEVOLUMEOPTIONS cevo = {0};
cevo.wVersion = 1;
CEOIDINFOEX oidInfo = {0};
wchar_t buff[250];
HANDLE hSes, hBD, hBDS;
BOOL rez;
rez = CeMountDBVolEx(&guid, L"store.vol", &cevo,OPEN_EXISTING);
if (rez == FALSE) {
}
DWORD dw = GetLastError();
hBD = CeFindFirstDatabaseEx(&guid, 0);
if (hBD != INVALID_HANDLE_VALUE)
{
oidInfo.wVersion = CEOIDINFOEX_VERSION;
oidInfo.wObjType = OBJTYPE_DATABASE;
//creare sesiune
hSes = CeCreateSession(&guid);
if (hSes == INVALID_HANDLE_VALUE) {/* error */}
CEOID oidBD = CeFindNextDatabaseEx(hBD, &guid);
while (oidBD != 0)
{
//obtain database information
rez = CeOidGetInfoEx2(&guid, oidBD, &oidInfo);
if (rez != TRUE) {/* error */}
//open database
hBDS = CeOpenDatabaseInSession(hSes, &guid, &oidBD,
oidInfo.infDatabase.szDbaseName, NULL, CEDB_AUTOINCREMENT, NULL);
if (hBDS == INVALID_HANDLE_VALUE) {/* error */}
PCEPROPVAL pInreg = NULL;
PBYTE pBuffInreg = NULL;//memory is allocated by function
WORD wProp;//number of properties
DWORD dwLgInreg;// record lengths
//memory is allocatd by function
CEOID ceoid = CeReadRecordPropsEx(hBDS, CEDB_ALLOWREALLOC, &wProp, NULL,
&(LPBYTE)pBuffInreg, &dwLgInreg, NULL);
int k = 0;
while(ceoid != 0)
{
pInreg = (PCEPROPVAL)pBuffInreg;
//for each field
for (int i = 0; i < wProp; i++)
{
switch(LOWORD(pInreg->propid))
{
case CEVT_LPWSTR:
//process string values
break;
//integers
case CEVT_I2:
case CEVT_I4:
case CEVT_UI2:
case CEVT_UI4:
case CEVT_BLOB:
case CEVT_BOOL:
//process integer values
break;
case CEVT_R8:
//process floating point values
break;
default:
//other types
break;
}
OutputDebugString(buff);
//next field
pInreg++;
}
LocalFree(pBuffInreg);
//next record
ceoid = CeReadRecordPropsEx(hBDS, CEDB_ALLOWREALLOC, &wProp, NULL,
&(LPBYTE)pBuffInreg, &dwLgInreg, NULL);
k++;
}
CloseHandle(hBDS);
//next database
oidBD = CeFindNextDatabaseEx(hBD, &guid);
}
CloseHandle(hBD);
CloseHandle(hSes);
}
CeUnmountDBVol(&guid);
}
clsReadEDB::~clsReadEDB()
{
}