Hi,
The problem has been resolved. It is because of the setting. I set it again as:
setting Project, Properties, General, Character set. Select unicode (wchar_t)
or MBCS (char)
Now including <atlstr.h> has no error. So I can use CStrBufW for setting string.
Regards,
Chunyan
-----Ursprüngliche Nachricht-----
Von: Jiang, Chunyan (GE Healthcare)
Gesendet: Freitag, 20. November 2009 08:52
An: General discussion for Windows Installer XML toolset.
Betreff: Re: [WiX-users] How to use MsiGetProductInfo function?
Hi Peter,
Sorry, I didn't post all the code here. Actually, my code is:
TCHAR szProductName[100] = {0};
DWORD length(0);
uiStatus =
MsiGetProductInfoW(szProductCode,L"InstalledProductName",L"",&length);
if(uiStatus == ERROR_MORE_DATA)
{
// TCHAR name[length+1];
uiStatus =
MsiGetProductInfoW(szProductCode,L"InstalledProductName",szProductName,&length);
}
Here uiStatus is always ERROR_MORE_DATA.
If I set DWORD length(50); It will break and have "access violation" error.
I want the way that Blair told me before, like:
uiStatus =
MsiGetProductInfoW(szProductCode,L"InstalledProductName",L"",&length);
if(uiStatus == ERROR_MORE_DATA)
{
length += 1; // We have to tell MsiGetProperty that the buffer has
space for the null terminator.
uiStatus =
MsiGetProductInfoW(szProductCode,L"InstalledProductName",CStrBufW(szProductName,
length, CStrBufW::SET_LENGTH),&length);
}
However, it must include header
#include <atlstr.h>
In my case, include atlstr.h will cause many errors, like:
1>D:\Program Files\Microsoft Visual Studio
8\VC\atlmfc\include\atlchecked.h(93) : error C2664: 'errno_t strcpy_s(char
*,rsize_t,const char *)' : cannot convert parameter 1 from 'TCHAR *' to 'char *'
1> Types pointed to are unrelated; conversion requires reinterpret_cast,
C-style cast or function-style cast
Therefore, I don't know how to deal with this problem.
Could you please give me some hint?
Regards,
Chunyan
-----Ursprüngliche Nachricht-----
Von: Peter Shirtcliffe [mailto:pshirtcli...@sdl.com]
Gesendet: Donnerstag, 19. November 2009 17:35
An: General discussion for Windows Installer XML toolset.
Betreff: Re: [WiX-users] How to use MsiGetProductInfo function?
You are passing 0 as the size of the buffer in the "length" argument which is
too small.
Try
DWORD length = sizeof(szProductName)/sizeof(TCHAR);
-----Original Message-----
From: Jiang, Chunyan (GE Healthcare) [mailto:chunyan.ji...@ge.com]
Sent: 19 November 2009 16:12
To: General discussion for Windows Installer XML toolset.
Subject: [WiX-users] How to use MsiGetProductInfo function?
Hi,
I tried to retrieve some information about installed Product, as bellow:
TCHAR szProductName[100] = {0};
DWORD length(0);
MsiGetProductInfoW(szProductCode,L"InstalledProductName",szProductName,&
length);
However, it always return ERROR_MORE_DATA. It sounds like that TCHAR
szProductName[100] is not enough. Actually, length is only 42 in my case. I
would like to use
CStrBufW(szProductName, length, CStrBufW::SET_LENGTH)
instead of TCHAR. However, #include <atlstr.h> causes many errors, like:
1>D:\Program Files\Microsoft Visual Studio
8\VC\atlmfc\include\atlchecked.h(93) : error C2664: 'errno_t strcpy_s(char
*,rsize_t,const char *)' : cannot convert parameter 1 from 'TCHAR *' to 'char *'
1> Types pointed to are unrelated; conversion requires reinterpret_cast,
C-style cast or function-style cast
Is there anyway to use MsiGetProductInfo function?
Regards,
Chunyan
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