public enum SetLicenseFlags
Value | Member | Description |
---|---|---|
0x00000001 | LicenseIsFile | Specifies that the license parameter is a path to the license file. Absence of this flag indicates that the license parameter is a string containing the license data. |
0x00000002 | KeyIsFile | Specifies that the key parameter is a path to a key file. Absence of this flag indicates that the key parameter is a string containing the key data. |
0x00000004 | Overwrite | Specifies that the previous license state should be overwritten. Absence of this flag indicates that an existing valid license should not be overwritten. |
Combine the values by using a bitwise OR.
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;
}
}