license
String containing the license or the path to the license file.
key
String containing the key or the path to the key file.
flags
Flags that specify which type of operation to perform. It is a bitwise OR of the SetLicenseFlags Enumeration Constants.
This method will set the license for the entire application, and is only required to be called once. If the library is already licensed, any additional calls to this function will be ignored, unless Overwrite is specified.
If the method fails, an error is raised. For more information, refer to the Error Codes.
using Leadtools;
using Leadtools.MediaStreaming;
public class LicenseHolder
{
protected LicenseManager m_licmgr;
protected bool m_service;
protected bool m_verbose;
protected string m_title;
public LicenseHolder(bool verbose, string title, bool service)
{
m_service = service;
m_verbose = verbose;
m_title = title;
}
~LicenseHolder()
{
}
protected bool IsDisplayEnabled()
{
return (m_verbose && !m_service);
}
protected DialogResult DisplayLicenseError(string message)
{
return MessageBox.Show(message, m_title, MessageBoxButtons.OK, MessageBoxIcon.Error);
}
public void LoadLicenseManager()
{
try
{
if (m_licmgr == null)
{
m_licmgr = new LicenseManager();
}
}
catch (System.Exception ex)
{
if (IsDisplayEnabled())
{
DisplayLicenseError("Can't instantiate LEAD Media Streaming License Manager");
}
throw ex;
}
}
public void SetLicense(string license, string key, SetLicenseFlags flags)
{
LoadLicenseManager();
try
{
// Sets the license for the calling application
m_licmgr.SetLicense(license, key, (int)flags);
}
catch (System.Exception ex)
{
if (IsDisplayEnabled())
{
DisplayLicenseError("Your license file is missing, invalid or expired. The LEAD Media Streaming Library will not function. Please contact LEAD Sales for information on obtaining a valid license.");
Process.Start("https://www.leadtools.com/downloads/evaluation-form.asp?evallicenseonly=true");
}
throw ex;
}
}
public void UnloadLicenseManager()
{
m_licmgr.Dispose();
m_licmgr = null;
}
}
public Server _server = null;
public bool _result = false;
public void LicenseHolderExample()
{
try
{
// create an instance of the LicenseHolder class
LicenseHolder holder = new LicenseHolder(true, "Leadtools MediaStreaming Server", false);
// set the license
holder.SetLicense("%ltmsAppFolder%\\LEADTOOLS.LIC", "%ltmsAppFolder%\\LEADTOOLS.LIC.KEY", SetLicenseFlags.LicenseIsFile | SetLicenseFlags.KeyIsFile);
// create an instance of the server object
_server = new Leadtools.MediaStreaming.Server();
// start the server
_server.Start();
// confirm the running state for demonstration purposes
if (_server.State == State.Started)
{
// display a message that the server is running and wait for OK
MessageBox.Show("The server has started. Press OK to stop.", "LEADTOOLS Media Streaming Examples", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
// stop the server
_server.Stop();
// unload the license
holder.UnloadLicenseManager();
_result = true;
}
catch (Exception)
{
_result = false;
}
}