/// <summary>Updates the License's status in the <see cref="LicensingGui"/> and checks if network seats are available.</summary>
/// <returns>Returns true if the network seats are not depleted, false otherwise</returns>
private bool UpdateLicenseStatus()
{
SampleLicense license = SampleLicense.CreateNewLicense(sampleLicensingGui);
license.LoadFile(LicenseConfiguration.LicenseFilePath);
if (license.LicenseID != m_License.LicenseID || license.InstallationID != m_License.InstallationID)
{
sampleLicensingGui.ApplicationLicense = license;
m_License = license;
if (m_Semaphore != null)
{
m_Semaphore.Close();
m_Semaphore = null;
}
}
if (!m_LastLicenseValidationResult || m_License.LastError.ErrorNumber != LicenseError.ERROR_NONE)
{
statusLabel.Text = m_License.GenerateNetworkLicenseStatusString(m_LastLicenseValidationResult, m_Semaphore);
m_License.InitializeNetworkLicenseStatusEntries(m_LastLicenseValidationResult, sampleLicensingGui, m_Semaphore);
//Check seats count and set the status, when No seats available and license re-activation completed with errors(No activation left or Invalid License ID and/or Password).
if (m_License.LastError.ErrorNumber == LicenseError.ERROR_WEBSERVICE_RETURNED_FAILURE && m_Semaphore == null)
{
m_Semaphore = new NetworkSemaphore(Path.GetDirectoryName(LicenseConfiguration.LicenseFilePath), LicenseConfiguration.NetworkSemaphorePrefix, m_License.LicenseCounter, true, 15, true);
if (!m_Semaphore.Open() && m_Semaphore.LastError.ErrorNumber == LicenseError.ERROR_NETWORK_LICENSE_FULL) // try to open a network session
{
statusLabel.Text = m_License.GenerateLicenseStatusString(m_LastLicenseValidationResult) + "No Seats Available.";
m_License.InitializeLicenseStatusEntries(m_LastLicenseValidationResult, sampleLicensingGui);
sampleLicensingGui.LicenseStatusEntries.Add(new LicenseStatusEntry(LicenseStatusIcon.Information, "Network Seats", "No Seats Available"));
}
m_Semaphore = null;
}
return(false);
}
if (!m_License.Validate())
{
if (m_Semaphore != null)
{
m_Semaphore.Close(); // close our network session if it is open
m_Semaphore = null;
}
statusLabel.Text = "The license is invalid or expired";
m_License.InitializeNetworkLicenseStatusEntries(m_LastLicenseValidationResult, sampleLicensingGui, m_Semaphore);
return(false);
}
else
{
if (m_Semaphore == null)
{
m_Semaphore = new NetworkSemaphore(Path.GetDirectoryName(LicenseConfiguration.LicenseFilePath), LicenseConfiguration.NetworkSemaphorePrefix, m_License.LicenseCounter, true, 15, true);
m_Semaphore.Invalid += new NetworkSemaphore.InvalidEventHandler(InvalidSemaphoreHandler);
if (!m_Semaphore.Open() && m_Semaphore.LastError.ErrorNumber == LicenseError.ERROR_NETWORK_LICENSE_FULL) // try to open a network session
{
using (NetworkLicenseSearchForm searchDialog = new NetworkLicenseSearchForm(m_Semaphore))
{
if (searchDialog.ShowDialog() != DialogResult.OK)
{
statusLabel.Text = m_License.GenerateLicenseStatusString(m_LastLicenseValidationResult) + "No Seats Available.";
m_License.InitializeLicenseStatusEntries(m_LastLicenseValidationResult, sampleLicensingGui);
sampleLicensingGui.LicenseStatusEntries.Add(new LicenseStatusEntry(LicenseStatusIcon.Information, "Network Seats", "No Seats Available"));
m_Semaphore = null;
}
}
}
else if (m_Semaphore.LastError.ErrorNumber != LicenseError.ERROR_NONE)
{
statusLabel.Text = "Status: Unable to establish a network session. " + m_Semaphore.LastError;
statusLabel.Text += "\nUsers: N/A";
m_Semaphore = null;
}
else
{
statusLabel.Text = m_License.GenerateNetworkLicenseStatusString(m_LastLicenseValidationResult, m_Semaphore);
m_License.InitializeNetworkLicenseStatusEntries(m_LastLicenseValidationResult, sampleLicensingGui, m_Semaphore);
}
return(false);
}
if (m_Semaphore != null && m_Semaphore.IsValid)
{
statusLabel.Text = m_License.GenerateNetworkLicenseStatusString(m_LastLicenseValidationResult, m_Semaphore);
m_License.InitializeNetworkLicenseStatusEntries(m_LastLicenseValidationResult, sampleLicensingGui, m_Semaphore);
}
return(true);
}
}