QlmLicense.GetLicenseInfo

Retrieves information about an Activation Key. 

C#: ILicenseInfo GetLicenseInfo (string webServiceUrl, string activationKey, bool historyTable, out string dataSet, out string response)

Parameters

webServiceUrl - URL to the QLM License Server.

activationKey - activation key of the customer

historyTable - search for the activation key in the history table

dataSet - data set returned by the server.

response - result of the call to the server.

C# Example

ILicenseInfo li = license.GetLicenseInfo (webServiceUrl, "A2GM0-50K00-PYU3F-784HH-1U1V5T", 
                                           false, out dataSet out response);
if (li != null)
{
    int numLicenses = li.NumLicenses;
    int availableLicenses = li.AvailableLicenses;
}

To parse the data returned in dataSet, check this article.