method KeyExists.
ERROR: Syntax information about IRegistryHelper.KeyExists may not be in D:\ArcGIS\DotNet\ESRI.ArcGIS.SystemUtility.dll
[C++]
HRESULT KeyExists(
long keyType,
BSTR key,
VARIANT_BOOL* Exists
);
[C++]Parameters
keyType [in] keyType is a parameter of type long key [in] key is a parameter of type BSTR Exists [out, retval] Exists is a parameter of type VARIANT_BOOL