VerifyPreviousVersionLicenseDelegate

References
Called by GetLicense/AskUserForLicense to verify that a previous version license.
bool VerifyPreviousVersionLicenseDelegate(string license, string previousVersionLicense, out string errorMessage)
license (string)License being entered in GetLicense
previousVersionLicense (string)Previous version license entered to verify upgrade eligibility
errorMessage (out string)Output parameter with localized error message to display to user when VerifyPreviousVersionLicenseDelegate returns false