/// <summary>
/// Try to detect the addin is loaded from system hive key
/// </summary>
/// <returns>null if unkown or true/false</returns>
private bool?IsLoadedFromSystem()
{
if (null != _isLoadedFromSystem)
{
return(_isLoadedFromSystem);
}
ApplicationIdentifiers.ApplicationType applicationType =
ApplicationIdentifiers.IsApplication(Application.InstanceType.GUID);
if (applicationType == ApplicationIdentifiers.ApplicationType.None)
{
return(null);
}
OfficeApi.Tools.Utils.RegistryLocationResult result = OfficeApi.Tools.Utils.CommonUtils.TryFindAddinLoadLocation(Type,
applicationType);
switch (result)
{
case Office.Tools.Utils.RegistryLocationResult.User:
return(false);
case Office.Tools.Utils.RegistryLocationResult.System:
return(true);
default:
throw new IndexOutOfRangeException();
}
}
/// <summary>
/// Creates an registry tweak entry in the current addin key
/// </summary>
/// <param name="applicationType">target office application</param>
/// <param name="addinType">addin class type informations</param>
/// <param name="name">name for the tweak</param>
/// <param name="value">value for the tweak</param>
/// <param name="throwException">throw exception on error</param>
/// <returns>true if value was stored otherwise false</returns>
public static bool SetTweakPersistenceEntry(ApplicationIdentifiers.ApplicationType applicationType, Type addinType, string name, string value, bool throwException)
{
try
{
if (null == addinType)
{
return(false);
}
RegistryLocationAttribute location = AttributeReflector.GetRegistryLocationAttribute(addinType);
ProgIdAttribute progID = AttributeReflector.GetProgIDAttribute(addinType);
OfficeApi.Tools.Utils.RegistryLocationResult addinLocation =
Tools.Utils.CommonUtils.TryFindAddinLoadLocation(addinType, applicationType);
if (addinLocation == Office.Tools.Utils.RegistryLocationResult.Unknown)
{
return(false);
}
RegistryKey regKey = null;
switch (addinLocation)
{
case Office.Tools.Utils.RegistryLocationResult.User:
regKey = Registry.LocalMachine.OpenSubKey(_addinOfficeRegistryKey + progID.Value, true);
break;
case Office.Tools.Utils.RegistryLocationResult.System:
regKey = Registry.CurrentUser.OpenSubKey(_addinOfficeRegistryKey + progID.Value, true);
break;
}
if (null == regKey)
{
return(false);
}
regKey.SetValue(name, value);
regKey.Close();
return(true);
}
catch (Exception exception)
{
NetOffice.DebugConsole.Default.WriteException(exception);
if (throwException)
{
throw;
}
else
{
return(false);
}
}
}