public enum SetLicenseFlags
Public Enum SetLicenseFlags
public enum class 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;
}
}
Imports Leadtools
Imports Leadtools.MediaStreaming
Public Class LicenseHolder
Protected m_licmgr As LicenseManager
Protected m_service As Boolean
Protected m_verbose As Boolean
Protected m_title As String
Public Sub New(ByVal verbose As Boolean, ByVal title As String, ByVal service As Boolean)
m_service = service
m_verbose = verbose
m_title = title
End Sub
Protected Overrides Sub Finalize()
End Sub
Protected Function IsDisplayEnabled() As Boolean
Return (m_verbose AndAlso (Not m_service))
End Function
Protected Function DisplayLicenseError(ByVal message As String) As DialogResult
Return MessageBox.Show(message, m_title, MessageBoxButtons.OK, MessageBoxIcon.Error)
End Function
Public Sub LoadLicenseManager()
Try
If m_licmgr Is Nothing Then
m_licmgr = New LicenseManager()
End If
Catch ex As System.Exception
If IsDisplayEnabled() Then
DisplayLicenseError("Can't instantiate LEAD Media Streaming License Manager")
End If
Throw ex
End Try
End Sub
Public Sub SetLicense(ByVal license As String, ByVal key As String, ByVal flags As SetLicenseFlags)
LoadLicenseManager()
Try
' Sets the license for the calling application
m_licmgr.SetLicense(license, key, CInt(flags))
Catch ex As System.Exception
If IsDisplayEnabled() Then
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")
End If
Throw ex
End Try
End Sub
Public Sub UnloadLicenseManager()
m_licmgr.Dispose()
m_licmgr = Nothing
End Sub
End Class
Public _server As Server = Nothing
Public _result As Boolean = False
Public Sub LicenseHolderExample()
Try
' create an instance of the LicenseHolder class
Dim holder As LicenseHolder = New LicenseHolder(True, "Leadtools MediaStreaming Server", False)
' set the license
holder.SetLicense("%ltmsAppFolder%\LEADTOOLS.LIC", "%ltmsAppFolder%\LEADTOOLS.LIC.KEY", SetLicenseFlags.LicenseIsFile Or 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 Then
' 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)
End If
' stop the server
_server.Stop()
' unload the license
holder.UnloadLicenseManager()
_result = True
Catch e1 As Exception
_result = False
End Try
End Sub
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