private void RecurseCopyKey(IRegistryKey sourceKey, IRegistryKey destinationKey) { //copy all the values foreach (var valueName in sourceKey.GetValueNames()) { var objValue = sourceKey.GetValue(valueName); var valKind = sourceKey.GetValueKind(valueName); destinationKey.SetValue(valueName, objValue, valKind); } //For Each subKey //Create a new subKey in destinationKey //Call myself foreach (var sourceSubKeyName in sourceKey.GetSubKeyNames()) { var sourceSubKey = sourceKey.OpenSubKey(sourceSubKeyName); var destSubKey = destinationKey.CreateSubKey(sourceSubKeyName); RecurseCopyKey(sourceSubKey, destSubKey); } }