Re: [WiX-users] Help on MsiGetProperty()

2008-01-30 Thread Paul McCloskey 
The value of MyProperty is stored in szValueBuf. 

-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Anidil
Sent: Wednesday, January 30, 2008 6:03 AM
To: wix-users@lists.sourceforge.net
Subject: [WiX-users] Help on MsiGetProperty()


I've created a wrapper custom action dll with MsiGetProperty().From what
i
see from MSDN,MsiGetProperty uses "MyProperty" as shown below;which is
used
by the custom action. Can anyone help me understand this part?  Where
should
i get value for "MyProperty"? 

 from MSDN site on MsiGetProperty:

UINT __stdcall MyCustomAction(MSIHANDLE hInstall)
{
TCHAR* szValueBuf = NULL;
DWORD cchValueBuf = 0;
UINT uiStat =  MsiGetProperty(hInstall, TEXT("MyProperty"),
TEXT(""),
&cchValueBuf);
if (ERROR_MORE_DATA == uiStat)
{
++cchValueBuf; // on output does not include terminating null,
so
add 1
szValueBuf = new TCHAR[cchValueBuf];
if (szValueBuf)
{
uiStat = MsiGetProperty(hInstall, TEXT("MyProperty"),
szValueBuf, &cchValueBuf);
}
}
if (ERROR_SUCCESS != uiStat)
{
if (szValueBuf != NULL) 
delete [] szValueBuf;
return ERROR_INSTALL_FAILURE;
}

// custom action uses MyProperty
// ...

delete [] szValueBuf;

return ERROR_SUCCESS;
}
  
Thanks  
Anidil
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[WiX-users] Help on MsiGetProperty()

2008-01-30 Thread Anidil 

I've created a wrapper custom action dll with MsiGetProperty().From what i
see from MSDN,MsiGetProperty uses "MyProperty" as shown below;which is used
by the custom action. Can anyone help me understand this part?  Where should
i get value for "MyProperty"? 

 from MSDN site on MsiGetProperty:

UINT __stdcall MyCustomAction(MSIHANDLE hInstall)
{
TCHAR* szValueBuf = NULL;
DWORD cchValueBuf = 0;
UINT uiStat =  MsiGetProperty(hInstall, TEXT("MyProperty"), TEXT(""),
&cchValueBuf);
if (ERROR_MORE_DATA == uiStat)
{
++cchValueBuf; // on output does not include terminating null, so
add 1
szValueBuf = new TCHAR[cchValueBuf];
if (szValueBuf)
{
uiStat = MsiGetProperty(hInstall, TEXT("MyProperty"),
szValueBuf, &cchValueBuf);
}
}
if (ERROR_SUCCESS != uiStat)
{
if (szValueBuf != NULL) 
delete [] szValueBuf;
return ERROR_INSTALL_FAILURE;
}

// custom action uses MyProperty
// ...

delete [] szValueBuf;

return ERROR_SUCCESS;
}
  
Thanks  
Anidil
-- 
View this message in context: 
http://www.nabble.com/Help-on-MsiGetProperty%28%29-tp15179290p15179290.html
Sent from the wix-users mailing list archive at Nabble.com.


-
This SF.net email is sponsored by: Microsoft
Defy all challenges. Microsoft(R) Visual Studio 2008.
http://clk.atdmt.com/MRT/go/vse012070mrt/direct/01/
___
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