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I'm using Visual Studio 6.0 under Windows Server 2008 besides i have MSV2005 installed too. so maybe it's due to multiple IDE Framework.
But when i create a new blank ATL COM project and i compile it then Try to register the DLL some times it works but when i add a new ATL Object it don't wanna go.
As u said may be i have to reinstall my OS and use one MVS.
"The Ultimate Limit Is Only Your Imagination."
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"s but when i add a new ATL Object it don't wanna go. " looks like dll hell.
You better get rid of the good old VS 6 
Deinstall both VS and reinstall only VS2005.
Press F1 for help or google it.
Greetings from Germany
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Maybe ask on the COM[^] message board too, in case you haven't yet.
> The problem with computers is that they do what you tell them to do and not what you want them to do. <
> Computers are evil, EVIL i tell you!! <
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i'm trying to make a new one under the MVS6.0 on another computer (Win 2003 + MVS 6.0) i hope that it ll work.
I posted a message on the COM Board..; ... please wait 
"The Ultimate Limit Is Only Your Imagination."
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Ok here some news,
i compiled my project under wind2003 with MVS6.0 only installed and it works, no error message like Error DllServer. All is green and i'm happy  .
But may be the question how could we fix the prob of DllRegister under a PC with more than 1 MVS installed. 
"The Ultimate Limit Is Only Your Imagination."
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hi,
i am having a service running in vista. it captures the information of the USB devices that are being used in the system.
i am registering for device notification when starting the service using the RegisterDeviceNotification API, however the service is crashing when i am calling UnregisterDeviceNotification API
Pasting the piece of code below....if needed i would also give the values out of debugging.
please could i get some help or hints as to why my service is crashing when i am calling UnregisterDeviceNotification ?
DWORD WINAPI service_ctrl(DWORD dwCtrlCode,DWORD dwEventType, LPVOID lpEventData, LPVOID lpContext)
{
PDEV_BROADCAST_HDR head = (PDEV_BROADCAST_HDR )lpEventData;
switch (dwCtrlCode)
{
case SERVICE_CONTROL_DEVICEEVENT:
if (dwEventType == DBT_DEVICEQUERYREMOVE)
{
if(head->dbch_devicetype == DBT_DEVTYP_HANDLE)
{
PDEV_BROADCAST_HANDLE db = (PDEV_BROADCAST_HANDLE) head;
DebugLog("Remove Query");
ht_pIter = handleThread.find(db->dbch_handle);
if ( ht_pIter == handleThread.end( ) )
DebugLog("cannot find Thread ID using Handle Value ");
else
{
killThreadFunc(ht_pIter->second.threadHandle,ht_pIter->second.threadID);
DebugLog("after killThreadFunc");
if(!CloseHandle(db->dbch_handle))
{
DebugLog("Problem in Closing Directory Handle.");
}
char error[50] = {0};
if(!UnregisterDeviceNotification(*ht_pIter->second.devNotify))
{
DebugLog("Problem in Unregistering Device notification.");
sprintf(error,"Error Code returned is %d",GetLastError());
DebugLog(error);
}
handleThread.erase(db->dbch_handle);
DebugLog("Thread Terminate Successful");
}
}
return NO_ERROR;
}
break;
}
}
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Why the dereference of the structure field? *ht_pIter->second.devNotify looks a bit suspect - generally you deal with handles not pointers to handles.
Cheers,
Ash
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...and the errors are not in my code
C:\Program Files\Microsoft Visual Studio 10.0\VC\atlmfc\include\afxwin2.inl(362): error C2039: 'NotifyWinEvent' : is not a member of '`global namespace''
C:\Program Files\Microsoft Visual Studio 10.0\VC\atlmfc\include\afxwin2.inl(362): error C2660: 'CWnd::NotifyWinEvent' : function does not take 4 arguments
I do not call NotifyWinEvent directly. I have tried to #ifdef out most of the code but still get this error. Module compiles fine in VC++6.0 release/debug, VS2005 release/debug win32/x64, VS2010 debug win32/x64, but fails as above in VS2010 release win32/x64.
I am using default settings to build everything.
ES
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Check the MFC and ATL settings in your Project.
Press F1 for help or google it.
Greetings from Germany
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I have the same problem.
What can be wrong with MFC and ATL settings?
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compare the settings in debug and release configs 
Press F1 for help or google it.
Greetings from Germany
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I had a series of #ifdef that were somehow impeding the compilation, There must be a conflict, but it does not explain differences between release and debug. Disabling these, as below, fixes the problem
#if 0
// Allow use of features specific to Windows 95 and Windows NT 4 or later.
#ifndef WINVER
#define WINVER 0x0400
#endif
// Allow use of features specific to Windows NT 4 or later.
#ifndef _WIN32_WINNT
#define _WIN32_WINNT 0x0500
#endif
// Allow use of features specific to Windows 98 or later.
#ifndef _WIN32_WINDOWS
#define _WIN32_WINDOWS 0x0410
#endif
ES
// Allow use of features specific to IE 4.0 or later.
#ifndef _WIN32_IE
#define _WIN32_IE 0x0400
#endif
#endif
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// Allow use of features specific to Windows 95 and Windows NT 4 or later.
#ifndef WINVER
#define WINVER 0x0500 <----------------- CHANGE HERE from 0x0400 to 0x0500 TO FIX PROBLEM
#endif
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I had the same problem and changing the WINVER in stdafx worked for me.
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Hi, how to differentiate a floppy drive and a USB drive in VC++ , i used GetDriveType and both have REMOVABLE property , and can some one explain how exactly to use "SetupDiGetDeviceRegistryProperty" to determine whether it's USB or FLOPPY
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This[^] thread might help. 
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you could also use windows registry entry and settings to fetch values for hardware devices. 
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You can issue the IOCTL_STORAGE_GET_MEDIA_TYPES_EX to differentiate.
Here is an example code:
DWORD dwOutBytes;
HANDLE hDevice = CreateFile(_T("\\\\.\\A:"), GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, 0, NULL);
if (hDevice != INVALID_HANDLE_VALUE)
{
DEVICE_MEDIA_INFO dmi;
DeviceIoControl(hDevice,
IOCTL_STORAGE_GET_MEDIA_TYPES_EX,
NULL, 0,
&dmi, sizeof(dmi),
dwOutBytes,
NULL);
if ((MEDIA_TYPE)dmi.RemovableDiskInfo.MediaType == RemovableMedia)
{
}
else
{
}
}
CloseHandle(hDevice);
Hope it is useful to you.
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Hello
It's a maze program,but is not completed. I want to define move function to move the ** (worm). when I ask the value of arrow_keys() it has no response(see move function) in other word move function doesn't work(it is not completed).
#include <stdio.h>
#include <conio.h>
create_wall();
arrow_keys();
move();
void main()
{
create_wall();
arrow_keys();
move();
}
create_wall(){
clrscr();
int i,j;
char wall[15][26]={
{1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1},
{1,0,0,0,1,1,1,0,1,1,1,1,1,1,0,0,0,0,0,0,0,1,1,1,1,1},
{1,1,0,1,0,0,0,0,0,1,1,1,0,0,0,0,0,1,1,1,1,1,1,1,0,1},
{1,1,0,1,0,0,0,0,0,1,1,1,0,0,0,0,0,1,1,1,1,1,1,1,0,1},
{1,0,0,0,0,0,1,1,1,1,1,0,0,0,0,0,0,1,0,0,0,0,0,0,1,1},
{1,1,0,1,0,0,0,0,0,1,1,1,0,0,0,0,0,1,1,1,1,0,1,1,0,1},
{1,0,0,0,0,0,1,1,1,1,1,0,0,0,0,0,0,1,0,0,0,0,0,0,1,1},
{1,1,1,1,1,0,0,0,1,1,1,0,0,0,0,1,1,1,1,0,0,0,1,1,0,1},
{1,0,1,0,0,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,1,1},
{1,1,1,1,1,1,1,1,0,1,0,0,0,1,1,0,0,0,0,0,0,0,0,0,1,1},
{1,1,0,1,0,0,0,0,0,0,1,1,1,0,0,0,0,0,1,1,1,1,1,1,0,1},
{1,0,0,0,0,0,1,1,1,1,1,0,0,0,0,0,0,1,0,0,0,0,0,0,1,1},
{1,1,1,1,1,0,0,0,1,1,1,0,0,0,0,1,1,1,1,0,0,0,1,1,0,1},
{1,0,1,0,0,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,1,1},
{1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1},
};
for(i=0;i<15;i++){
for(j=0;j<26;j++){
if (wall[i][j]==1) printf("²");
else printf(" ");
}
printf("\n");
}
gotoxy(2,2);
printf("*");
gotoxy(3,2);
printf("*");
}
int arrow_keys()
{
int ch;
while(1)
{
ch=getch();
if(ch==0)
{
ch=getch();
if(ch==72) return 72;
if(ch==75) return 75;
if(ch==77) return 77;
if(ch==80) return 80;
}
else break;
}
}
move(){
if (arrow_keys()==75)
{
clrscr();
printf("bvccvbncvnvbnvb");
}
}
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Only by reading the input keys, **(worm) will not move, for that you need to add some code here
if (arrow_keys()==75)
{
}
Don't die, until you do.
http://nnhamane.googlepages.com
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if i understood it correctly, your problem is that, you are unable to scan the keys Right??.
i dont think getch will do for you here in this context.
there is some other mechanism to get the key code here.
let me refer my backups and let you know.
parallelly, you can also try it.
--------------------------------------------
Suggestion to the members:
Please prefix your main thread subject with [SOLVED] if it is solved.
thanks.
chandu.
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hasani2007 wrote: when I ask the value of arrow_keys() it has no response...
Possibly because not every logic path has a return value. If the first getch() returns a non-zero value, the while() loop breaks and arrow_keys() will return what?
"One man's wage rise is another man's price increase." - Harold Wilson
"Fireproof doesn't mean the fire will never come. It means when the fire comes that you will be able to withstand it." - Michael Simmons
"Man who follows car will be exhausted." - Confucius
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Nice work on the maze.
#include <windows.h>
#include <stdio.h>
#include <stdlib.h>
#include <conio.h>
#define UP 72
#define DOWN 80
#define LEFT 75
#define RIGHT 77
#define SPACE 32
#define ENTER 13
#define ESCAPE 27
typedef struct t_worm
{ int x,y,dirx,diry; } ;
t_worm worm;
int ch;
int i,j;
char wall[15][26]={
{1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1},
{1,0,0,0,1,1,1,0,1,1,1,1,1,1,0,0,0,0,0,0,0,1,1,1,1,1},
{1,1,0,1,0,0,0,0,0,1,1,1,0,0,0,0,0,1,1,1,1,1,1,1,0,1},
{1,1,0,1,0,0,0,0,0,1,1,1,0,0,0,0,0,1,1,1,1,1,1,1,0,1},
{1,0,0,0,0,0,1,1,1,1,1,0,0,0,0,0,0,1,0,0,0,0,0,0,1,1},
{1,1,0,1,0,0,0,0,0,1,1,1,0,0,0,0,0,1,1,1,1,0,1,1,0,1},
{1,0,0,0,0,0,1,1,1,1,1,0,0,0,0,0,0,1,0,0,0,0,0,0,1,1},
{1,1,1,1,1,0,0,0,1,1,1,0,0,0,0,1,1,1,1,0,0,0,1,1,0,1},
{1,0,1,0,0,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,1,1},
{1,1,1,1,1,1,1,1,0,1,0,0,0,1,1,0,0,0,0,0,0,0,0,0,1,1},
{1,1,0,1,0,0,0,0,0,0,1,1,1,0,0,0,0,0,1,1,1,1,1,1,0,1},
{1,0,0,0,0,0,1,1,1,1,1,0,0,0,0,0,0,1,0,0,0,0,0,0,1,1},
{1,1,1,1,1,0,0,0,1,1,1,0,0,0,0,1,1,1,1,0,0,0,1,1,0,1},
{1,0,1,0,0,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,1,1},
{1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1},
};
void create_wall();
void arrow_keys();
void move();
void clrscr();
void gotoxy(int x, int y);
void main()
{
create_wall();
while(ch!=ESCAPE)
{
arrow_keys();
move();
}
gotoxy(1,21);printf("\n");
}
void create_wall(){
clrscr();
for(i=0;i<15;i++){
for(j=0;j<26;j++){
if (wall[i][j]==1) printf("²");
else printf(" ");
}
printf("\n");
}
gotoxy(2,2);
printf("*");
gotoxy(3,2);
printf("*");
}
void arrow_keys()
{
if (kbhit())
{
ch=getch();
switch (ch)
{
case UP:
worm.y--;
break;
case DOWN:
worm.y++;
break;
case LEFT:
worm.x--;
break;
case RIGHT:
worm.x++;
break;
}
}
}
void move()
{
gotoxy(worm.x,worm.y);printf("*");
}
void clrscr()
{
COORD coordScreen = { 0, 0 };
DWORD cCharsWritten;
CONSOLE_SCREEN_BUFFER_INFO csbi;
DWORD dwConSize;
HANDLE hConsole = GetStdHandle(STD_OUTPUT_HANDLE);
GetConsoleScreenBufferInfo(hConsole, &csbi);
dwConSize = csbi.dwSize.X * csbi.dwSize.Y;
FillConsoleOutputCharacter(hConsole, TEXT(' '), dwConSize, coordScreen, &cCharsWritten);
GetConsoleScreenBufferInfo(hConsole, &csbi);
FillConsoleOutputAttribute(hConsole, csbi.wAttributes, dwConSize, coordScreen, &cCharsWritten);
SetConsoleCursorPosition(hConsole, coordScreen);
return;
}
void gotoxy(int x, int y)
{
COORD coord;
coord.X = x; coord.Y = y;
SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), coord);
return;
}
..
modified on Wednesday, June 2, 2010 9:55 AM
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I am working on transcoding using ffmpeg.For that,i have one class decoder for decoding purpose.That file name is video_decoder.h.
Inside this file,im using the ffmpeg header files as
extern "C"
{
#include <libavcodec/avcodec.h>
#include <libavformat/avformat.h>
};
And,Im using the functions of this decoder class in my existing class say FileWriter.This file name is Video_Writer.h.
so,i have included video_decoder.h in video_writer.cpp file.And ofcourse,video_writer.h also there.The problem starts here.
Inside video_writer.h the variable type int8_t is defined in <lib_mp4v2\mpeg4ip_win32.h>.
Also,Inside video_decoder.h the same variable type int8_t is defined in stdint.h.
So,the compile time error is coming as
e:\workspace\build_recorder_plugins.root\build_recorder_plugins\include\stdint.h(82) : error C2371: 'int8_t' : redefinition; different basic types
e:\workspace\build_recorder_plugins.root\build_recorder_plugins\_build\include\lib_mp4v2\mpeg4ip_win32.h(52) : see declaration of 'int8_t'
Pls help me to solve this..
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