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????HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionApp Paths

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public enum Softwares
{
//The names are the same with the registry names.
//You can add any software exists in the "regedit" path:
//HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionApp Paths
EXCEL??      //Office Excel
WINWORD??    //Office Word
MSACCESS??   //Office Access
POWERPNT??   //Office PowerPoint
OUTLOOK??    //Office Outlook
INFOPATH??   //Office InfoPath
MSPUB??      //Office Publisher
VISIO??      //Office Visio
IEXPLORE??   //IE
ITUNES      //Apple ITunes
//.........
}
public class SoftwareOperator
{
//When you do not want to use string name?? then use the Enum instead
public static bool TryGetSoftwarePath(Softwares softName?? out string path)
{
return TryGetSoftwarePath(softName.ToString()?? out path);
}
public static bool TryGetSoftwarePath(string softName?? out string path)
{
string strPathResult = string.Empty;
string strKeyName = "";     //"(Default)" key?? which contains the intalled path
object objResult = null;
Microsoft.Win32.RegistryValueKind regValueKind;
Microsoft.Win32.RegistryKey regKey = null;
Microsoft.Win32.RegistryKey regSubKey = null;
try
{
//Read the key
regKey = Microsoft.Win32.Registry.LocalMachine;
regSubKey = regKey.OpenSubKey(@"SOFTWAREMicrosoftWindowsCurrentVersionApp Paths" + softName.ToString() + ".exe"?? false);
//Read the path
objResult = regSubKey.GetValue(strKeyName);
regValueKind = regSubKey.GetValueKind(strKeyName);
//Set the path
if (regValueKind == Microsoft.Win32.RegistryValueKind.String)
{
strPathResult = objResult.ToString();
}
}
catch (System.Security.SecurityException ex)
{
throw new System.Security.SecurityException("You have no right to read the registry!"?? ex);
}
catch (Exception ex)
{
throw new Exception("Reading registry error!"?? ex);
}
finally
{
if (regKey != null)
{
regKey.Close();
regKey = null;
}
if (regSubKey != null)
{
regSubKey.Close();
regSubKey = null;
}
}
if (strPathResult != string.Empty)
{
//Found
path = strPathResult;
return true;
}
else
{
//Not found
path = null;
return false;
}
}
}