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RasterSupport Class

Summary

The RasterSupport class provides methods for setting a LEADTOOLS runtime license and unlocking support for optional LEADTOOLS features, such as LEADTOOLS Document/Medical capabilities. For activating server licenses, see Activating Server Licenses.

Syntax

Java

Objective-C

WinRT C#

C++

public static class RasterSupport

Public MustInherit NotInheritable Class RasterSupport

public sealed static class RasterSupport

@interface LTRasterSupport : NSObject

public final class RasterSupport

function Leadtools.RasterSupport()

public ref class RasterSupport abstract sealed

Remarks

For more information, refer to Unlocking Special LEAD Features.

Example

This example will set a runtime license and check for Document support. You must obtain the proper license and developer key from LEAD.

Silverlight C#

Silverlight VB

using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.ImageProcessing; 
 
string MY_LICENSE_FILE = @"d:\temp\TestLic.lic"; 
string MY_DEVELOPER_KEY = "xyz123abc"; 
public void SetLicenseFileExample() 
{ 
   RasterSupport.SetLicense(MY_LICENSE_FILE, MY_DEVELOPER_KEY); 
   bool isLocked = RasterSupport.IsLocked(RasterSupportType.Document); 
   if (isLocked) 
      Console.WriteLine("Document support is locked"); 
   else 
      Console.WriteLine("Document support is unlocked"); 
}

Imports Leadtools 
Imports Leadtools.Codecs 
Imports Leadtools.ImageProcessing 
 
Dim MY_LICENSE_FILE As String = "d:\\temp\\TestLic.lic" 
Dim MY_DEVELOPER_KEY As String = "xyz123abc" 
Public Sub SetLicenseFileExample() 
   RasterSupport.SetLicense(MY_LICENSE_FILE, MY_DEVELOPER_KEY) 
   Dim isLocked As Boolean = RasterSupport.IsLocked(RasterSupportType.Document) 
   If (isLocked) Then 
      Console.WriteLine("Document support is locked") 
   Else 
      Console.WriteLine("Document support is unlocked") 
   End If 
End Sub

using Leadtools; 
using Leadtools.ImageProcessing; 
 
 
internal static Uri GetPackResourceUri(string resourcePath) 
{ 
   System.Reflection.Assembly a = System.Reflection.Assembly.GetCallingAssembly(); 
 
   // Pull out the short name. 
   string assemblyShortName = a.ToString().Split(',')[0]; 
 
   string uriString = "/" + assemblyShortName + ";component/" + resourcePath; 
   return new Uri(uriString, UriKind.Relative); 
} 
 
public void UnlockDocumentSupportExample() 
{ 
   //The license file should be added as a Resource to your project. 
   System.Windows.Resources.StreamResourceInfo licenseInfo = Application.GetResourceStream(GetPackResourceUri("Resources/License.lic")); 
   string developerKey = "Place Developer Key here"; 
   RasterSupport.SetLicense(licenseInfo.Stream, developerKey); 
 
   // Check if the support is locked now 
   bool isLocked = RasterSupport.IsLocked(RasterSupportType.Document); 
   if (isLocked) 
      Console.WriteLine("Document support is locked"); 
   else 
      Console.WriteLine("Document support is unlocked"); 
}

Imports Leadtools 
Imports Leadtools.ImageProcessing 
 
 
Friend Shared Function GetPackResourceUri(ByVal resourcePath As String) As Uri 
   Dim a As System.Reflection.Assembly = System.Reflection.Assembly.GetCallingAssembly() 
 
   ' Pull out the short name. 
   Dim assemblyShortName As String = a.ToString().Split(","c)(0) 
 
   Dim uriString As String = "/" & assemblyShortName & ";component/" & resourcePath 
   Return New Uri(uriString, UriKind.Relative) 
End Function 
 
 
Public Sub UnlockDocumentSupportExample() 
   'The license file should be added as a Resource to your project. 
   Dim licenseInfo As System.Windows.Resources.StreamResourceInfo = Application.GetResourceStream(GetPackResourceUri("Resources/License.lic")) 
   Dim developerKey As String = "Place Developer Key here" 
   RasterSupport.SetLicense(licenseInfo.Stream, developerKey) 
 
   ' Check if the support is locked now 
   Dim isLocked As Boolean = RasterSupport.IsLocked(RasterSupportType.Document) 
   If isLocked Then 
      Console.WriteLine("Document support is locked") 
   Else 
      Console.WriteLine("Document support is unlocked") 
   End If 
End Sub

Requirements

Target Platforms

Reference

RasterSupport Members

Leadtools Namespace

Activating Server Licenses

Help Version 19.0.2017.10.27

Leadtools Assembly

Introduction

Getting Started

Namespaces

Leadtools Namespace

Leadtools.ImageProcessing Namespace

Assemblies