LEADTOOLS Multimedia (Leadtools.Multimedia assembly)

LockType Enumeration

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ExampleExample 



Defines the various flags that can be used to lock and unlock Multimedia features.
Syntax
'Declaration
 
Public Enum LockType 
   Inherits System.Enum
   Implements System.IComparableSystem.IConvertibleSystem.IFormattable 
'Usage
 
Dim instance As LockType
public enum class LockType : public System.Enum, System.IComparableSystem.IConvertibleSystem.IFormattable  
Members
ValueMemberDescription
0x00000001ComputerUnlocks the module at the computer level. Unlocking at the computer level should be avoided because it can cause unexpected behavior in other applications.
0x00000002ApplicationUnlocks the module for this instance of the application. This is the recommended value.
Remarks
The MultimediaSupport.UnlockModule and MultimediaSupport.LockModules methods use a parameter of this type to indicate how to unlock or lock multimedia features.
Example
Copy Code  
Imports Leadtools
Imports Leadtools.Multimedia
Imports LeadtoolsMultimediaExamples.Fixtures

Public _result As Boolean = False
Public Sub MultimediaSupportExample()
       ' pszKey is a string containing the serial number. It is defined like this:
   ' Private pszKey As String = "MyString"
   Dim pszAppId As String = "My Test Application"

   Try
      ' unlock the multimedia feature
           Leadtools.Multimedia.Common.MultimediaSupport.UnlockModule(pszKey, _
                                                                      Leadtools.Multimedia.Common.LockType.Application, _
                                                                      pszAppId)
   Catch
      Exit Sub
   End Try

   ' [use the multimedia feature here]

   ' lock the multimedia feature before exiting the app
   Try
      Leadtools.Multimedia.Common.MultimediaSupport.LockModules(Leadtools.Multimedia.Common.LockType.Application, pszAppId)
      _result = True
   Catch e1 As Exception
      _result = False
   End Try
End Sub
using Leadtools;
using Leadtools.Multimedia;
using LeadtoolsMultimediaExamples.Fixtures;

public bool _result = false;
public void MultimediaSupportExample()
{
   // pszKey is a string containing the serial number. It is defined like this:
   // string pszKey = "MySerial";
   string pszAppId = "My Test Application";

   try
   {
      // unlock the multimedia feature
      Leadtools.Multimedia.Common.MultimediaSupport.UnlockModule(pszKey, 
                                                                 Leadtools.Multimedia.Common.LockType.Application, 
                                                                 pszAppId);
   }
   catch
   {
      return;
   }

   // [use the multimedia feature here]

   // lock the multimedia feature before exiting the app
   try
   {
      Leadtools.Multimedia.Common.MultimediaSupport.LockModules(Leadtools.Multimedia.Common.LockType.Application, 
                                                                pszAppId);
   }
   catch
   {
      return;
   }
   _result = true;
}
Inheritance Hierarchy

System.Object
   System.ValueType
      System.Enum
         Leadtools.Multimedia.Common.LockType

Requirements

Target Platforms

See Also

Reference

Leadtools.Multimedia.Common Namespace

 

 


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Leadtools.Multimedia requires a Multimedia or Multimedia Suite license and unlock key. For more information, refer to: LEADTOOLS Toolkit Features