c# | Check if VcRedist installed (x86/x64/IA64)

The following code checks if vcredist (Microsoft Visual C++ 2008 SP1 Redistributable Package) is installed.
This check is used when we want to assure that the Visual C++ 2008 SP1 is INSTALLED perior to the application launch.

The code is using the MsiQueryProductState function from the msi.dll.

We check the product codes of vcredist_x86, vcredist_x64 and vcredist_IA64 using MsiQueryProductState to validate if the product is installed or not!
(vcredist product codes are listed HERE)

The Code:

public enum INSTALLSTATE
{
   INSTALLSTATE_NOTUSED = -7,  // component disabled
   INSTALLSTATE_BADCONFIG = -6,  // configuration datacorrupt
   INSTALLSTATE_INCOMPLETE = -5,  // installationsuspended or in progress
   INSTALLSTATE_SOURCEABSENT = -4,  // run from source,source is unavailable
   INSTALLSTATE_MOREDATA = -3,  // return bufferoverflow
   INSTALLSTATE_INVALIDARG = -2,  // invalid functionargument
   INSTALLSTATE_UNKNOWN = -1,  // unrecognized productor feature
   INSTALLSTATE_BROKEN = 0,  // broken
   INSTALLSTATE_ADVERTISED = 1,  // advertised feature
   INSTALLSTATE_REMOVED = 1,  // component being removed(action state, not settable)
   INSTALLSTATE_ABSENT = 2,  // uninstalled (or actionstate absent but clients remain)
   INSTALLSTATE_LOCAL = 3,  // installed on local drive
   INSTALLSTATE_SOURCE = 4,  // run from source, CD ornet
   INSTALLSTATE_DEFAULT = 5,  // use default, local orsource
}
 
[DllImport("msi.dll")]
private static extern INSTALLSTATE MsiQueryProductState(string product);
 
public static boolIsVCRedistInstalled()
{
   string[] strCodes = newstring[]
   {
       //vcredist_x86 - ProductCode
       "{9A25302D-30C0-39D9-BD6F-21E6EC160475}",
       "{86CE1746-9EFF-3C9C-8755-81EA8903AC34}",
       "{CA8A885F-E95B-3FC6-BB91-F4D9377C7686}",
       "{820B6609-4C97-3A2B-B644-573B06A0F0CC}",
       "{6AFCA4E1-9B78-3640-8F72-A7BF33448200}",
       "{F03CB3EF-DC16-35CE-B3C1-C68EA09E5E97}",
       "{402ED4A1-8F5B-387A-8688-997ABF58B8F2}",
       "{887868A2-D6DE-3255-AA92-AA0B5A59B874}",
       "{527BBE2F-1FED-3D8B-91CB-4DB0F838E69E}",
       "{57660847-B1F7-35BD-9118-F62EB863A598}",
 
       //vcredist_x64 - ProductCode
       "{8220EEFE-38CD-377E-8595-13398D740ACE}",
       "{56F27690-F6EA-3356-980A-02BA379506EE}",
       "{14297226-E0A0-3781-8911-E9D529552663}",
       "{9B3F0A88-790D-3AD9-9F96-B19CF2746452}",
       "{D285FC5F-3021-32E9-9C59-24CA325BDC5C}",
       "{092EE08C-60DE-3FE6-B113-90076EC06D0D}",
       "{A96702F7-EFC8-3EED-BE46-22C809D4EBE5}",
       "{92B8FD1F-C1AE-3750-8577-631B0AA85DF5}",
       "{2DFD8316-9EF1-3210-908C-4CB61961C1AC}",
       "{E34002C7-8CE7-3F76-B36C-09FA973BC4F6}",
 
       //vcredist_IA64 - ProductCode
       "{5827ECE1-AEB0-328E-B813-6FC68622C1F9}",
       "{9363B366-8370-34F7-8164-25052EBF35FD}",
       "{4EC84186-70BB-3121-9C1B-C63512D7126E}",
       "{1F7B9797-A3C8-3B98-85C4-00620F221CE8}",
       "{6BE0A7C7-3462-30EE-8B77-D21D7848D967}",
       "{BF58DC07-38AB-3887-8000-70173F9650EA}",
       "{D289009A-2728-3D0A-833E-F08E0E58934C}",
       "{9476DC14-00C3-3C36-A435-00D714CF77B8}",
       "{678835D7-D524-3C0E-9C33-1D3767FDA6BF}"
   };
 
   INSTALLSTATE state;
   for (int i = 0;i < strCodes.Length; i++)
   {
       state = MsiQueryProductState(strCodes[i]);
       if (state == INSTALLSTATE.INSTALLSTATE_LOCAL||
           state == INSTALLSTATE.INSTALLSTATE_DEFAULT)
       {
           return true;
       }
   }
 
   return false;
}

You may also extent and improve this method to check only those Product Codes that matching current architecture (x86/x64/IA64).

Hope it helps,
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