IsLocked Method

Summary

Indicates whether support is locked for an optional feature, such as LEADTOOLS Document/Medical capabilities.

Syntax

Objective-C

C++/CLI

Java

Python

public static bool IsLocked( 
   RasterSupportType support 
)

+ (BOOL)isLocked:(LTRasterSupportType)support

public static boolean isLocked( 
   RasterSupportType support 
);

public: 
static bool IsLocked(  
   RasterSupportType support 
)

def IsLocked(self,support):

Parameters

support
Support type

Return Value

true or false

Remarks

To set a runtime license and unlock a feature, use the SetLicense method.

For more information, refer to Unlocking Special LEAD Features and A Special Note about Loading 12 and 16 Bit Grayscale Images.

For information about LEADTOOLS Document/Medical capabilities, contact LEAD.

Example

Java

using Leadtools; 
 
 
public void SetLicenseFileExample() 
{ 
#if DEBUG 
	LicenseSupport.SetLicense(); 
#else 
	string MY_LICENSE_FILE = @"leadtools.lic"; 
	string MY_DEVELOPER_KEY = "xyz123abc"; 
	RasterSupport.SetLicense(MY_LICENSE_FILE, MY_DEVELOPER_KEY); 
#endif 
	bool isLocked = RasterSupport.IsLocked(RasterSupportType.Document); 
	if (isLocked) 
		Console.WriteLine("Document support is locked"); 
	else 
		Console.WriteLine("Document support is unlocked"); 
}

 
import java.io.File; 
import java.io.FileInputStream; 
import java.io.IOException; 
import java.io.InputStream; 
import java.nio.file.Files; 
import java.nio.file.Paths; 
 
import org.junit.*; 
import org.junit.Test; 
import org.junit.runner.JUnitCore; 
import org.junit.runner.Result; 
import org.junit.runner.notification.Failure; 
import static org.junit.Assert.*; 
 
import leadtools.*; 
 
 
public void setLicenseExample() throws IOException { 
   Platform.setLibPath("C:\\LEADTOOLS23\\Bin\\CDLL\\x64"); 
   Platform.loadLibrary(LTLibrary.LEADTOOLS); 
   Platform.loadLibrary(LTLibrary.CODECS); 
 
   final String licensePath = "C:\\LEADTOOLS23\\Support\\Common\\License\\LEADTOOLS.LIC"; 
   final String myDevKey = Files.readString(Paths.get(licensePath + ".KEY")); 
 
   RasterSupport.setLicense(licensePath, myDevKey); 
   boolean isLocked = RasterSupport.isLocked(RasterSupportType.DOCUMENT); 
       
   assertTrue("Document support is locked.", !isLocked); 
   System.out.println("Document support is unlocked."); 
}

Requirements

Target Platforms

Reference

RasterSupport Class

RasterSupport Members

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Help Version 23.0.2024.5.22

Leadtools Assembly

Introduction

Getting Started

Namespaces

Leadtools Namespace

Leadtools.ImageProcessing Namespace

Assemblies