lock Method

Summary

Locks the object(s) currently being edited (selected).

Syntax
TypeScript
JavaScript
AnnAutomation.prototype.lock = function() 
lock(): void; 
Remarks

Use the CanLock property to determine whether you can currently call this method.

For more information, refer to Implementing Annotation Security.

Example

The following example will show how to lock and unlock an object, prompting the user for a password.

Lock.ts
AutomationHelper.ts
Lock.js
AutomationHelper.js
Lock.html
import { AutomationHelper } from "../utilities/AutomationHelper"; 
 
export class AnnAutomation_LockExample { 
   private automation: lt.Annotations.Automation.AnnAutomation = null; 
 
   constructor() { 
      const helper = new AutomationHelper(); 
      helper.run(this.updateAutomation); 
      document.getElementById('exampleButton').onclick = () => this.lock(this.automation); 
   } 
 
   private updateAutomation = (automation) => this.automation = automation; 
 
 
   private lock = (automation: lt.Annotations.Automation.AnnAutomation) => { 
      const rectObj: lt.Annotations.Engine.AnnRectangleObject = new lt.Annotations.Engine.AnnRectangleObject(); 
      rectObj.rect = lt.LeadRectD.create(100, 100, 800, 800); 
      rectObj.stroke = lt.Annotations.Engine.AnnStroke.create(lt.Annotations.Engine.AnnSolidColorBrush.create("blue"), 
         lt.LeadLengthD.create(1)); 
      rectObj.fill = lt.Annotations.Engine.AnnSolidColorBrush.create("yellow"); 
      automation.container.children.add(rectObj); 
      automation.invalidate(lt.LeadRectD.get_empty()); 
 
      // make sure no objects are selected in the automation 
      automation.selectObject(null); 
 
      const myPassword: string = "secret"; 
 
      // Hook to the lock and unlock events 
      const lockObject = (sender, e) => { 
         // e is of type AnnLockObjectEventArgs 
         alert("Lock it, sending password = " + myPassword); 
         e.set_password(myPassword); 
      }; 
 
      const unlockObject = (sender, e) => { 
         // e is of type AnnLockObjectEventArgs 
         alert("Unlock it, sending password = " + myPassword); 
         e.set_password(myPassword); 
      }; 
 
      automation.add_lockObject(lockObject); 
      automation.add_unlockObject(unlockObject); 
 
      // see if we can lock or unlock the object (this should show a message informing you that no objects are currently selected (bring edited) 
      this.lockUnlock(automation); 
 
      // select (edit) the object we have just added 
      automation.selectObject(rectObj); 
 
      // see if we can lock or unlock the object (should show the password dialog to lock the object) 
      this.lockUnlock(automation); 
 
      // see if we can lock or unlock the object (should show the password dialog to unlock the object) 
      this.lockUnlock(automation); 
 
      automation.remove_lockObject(lockObject); 
      automation.remove_unlockObject(unlockObject); 
   } 
 
 
   private lockUnlock = (automation: lt.Annotations.Automation.AnnAutomation): void => { 
      // first, check if we can lock the object 
      if (automation.canLock) { 
         // lock this object 
         automation.lock(); 
      } 
      else if (automation.canUnlock) { 
         // unlock this object 
         automation.unlock(); 
      } 
      else { 
         alert("Cannot lock or unlock because no object is currently being edited (selected)"); 
      } 
   } 
} 
export class AutomationHelper { 
   private automation: lt.Annotations.Automation.AnnAutomation = null; 
 
   constructor() { 
      lt.RasterSupport.setLicenseUri("https://demo.leadtools.com/licenses/v200/LEADTOOLSEVAL.txt", "EVAL", null); 
   } 
 
   public run(callback?: (automation: lt.Annotations.Automation.AnnAutomation) => void): void { 
      // Create the viewer 
      const imageViewerDiv = document.getElementById("imageViewerDiv"); 
      const createOptions: lt.Controls.ImageViewerCreateOptions = new lt.Controls.ImageViewerCreateOptions(imageViewerDiv); 
      const viewer: lt.Controls.ImageViewer = new lt.Controls.ImageViewer(createOptions); 
      viewer.autoCreateCanvas = true; 
 
      // PanZoom interactive mode 
      const panZoom: lt.Controls.ImageViewerPanZoomInteractiveMode = new lt.Controls.ImageViewerPanZoomInteractiveMode(); 
 
      // Create an instance of the Automation control object that works with LEADTOOLS ImageViewer 
      const imageViewerAutomationControl: lt.Demos.Annotations.ImageViewerAutomationControl = new lt.Demos.Annotations.ImageViewerAutomationControl(); 
      // Attach our image viewer 
      imageViewerAutomationControl.imageViewer = viewer; 
 
      // Set the image viewer interactive mode 
      const automationInteractiveMode: lt.Demos.Annotations.AutomationInteractiveMode = new lt.Demos.Annotations.AutomationInteractiveMode(); 
      automationInteractiveMode.automationControl = imageViewerAutomationControl; 
 
      // Set the image URL 
      viewer.imageUrl = "http://demo.leadtools.com/images/png/pngimage.png"; 
 
      // Create and set up the automation manager using the HTML5 rendering engine 
      const renderingEngine: lt.Annotations.Rendering.AnnHtml5RenderingEngine = new lt.Annotations.Rendering.AnnHtml5RenderingEngine(); 
      const manager: lt.Annotations.Automation.AnnAutomationManager = lt.Annotations.Automation.AnnAutomationManager.create(renderingEngine); 
 
      // Create only the line and rectangle automation objects 
      this.createMyAutomationObjects(manager); 
 
      // You can instruct the manager to create the default (all) automation objects. 
      // comment out the call to CreateMyAutomationObjects and call this instead: 
      //manager.createDefaultObjects(); 
 
      // Add the objects to the objects select element 
      const currentObjectIdSelect = document.getElementById("currentObjectIdSelect") as HTMLSelectElement; 
      // Add the PanZoom option 
      currentObjectIdSelect.options[currentObjectIdSelect.options.length] = new Option("Pan/Zoom", lt.Annotations.Engine.AnnObject.none.toString()); 
 
      const automationObjCount: number = manager.objects.count; 
      for (let i = 0; i < automationObjCount; i++) { 
         // Get the object 
         const automationObj: lt.Annotations.Automation.AnnAutomationObject = manager.objects.item(i); 
 
         // Add its name to the select element 
         const name: string = automationObj.name; 
         const id: number = automationObj.id; 
         currentObjectIdSelect.options[currentObjectIdSelect.options.length] = new Option(name, id.toString()); 
      } 
 
      // Hook to its change event 
      currentObjectIdSelect.addEventListener("change", () => { 
         // Get the object ID 
         const id: number = parseInt(currentObjectIdSelect.options[currentObjectIdSelect.selectedIndex].value); 
 
         // Set it as the current object in the manager 
         manager.currentObjectId = id; 
 
         // If this is the "Pan/Zoom" option, then back to pan zoom, otherwise, set our automation control 
         if (id == lt.Annotations.Engine.AnnObject.none) { 
            viewer.defaultInteractiveMode = panZoom; 
         } 
         else { 
            viewer.defaultInteractiveMode = automationInteractiveMode; 
         } 
      }); 
 
      // When the current object ID changes, we need to update our select 
      manager.add_currentObjectIdChanged((sender, e) => { 
         const currentObjectId: number = manager.currentObjectId; 
         for (let i = 0; i < currentObjectIdSelect.options.length; i++) { 
            const id: number = parseInt(currentObjectIdSelect.options[i].value); 
            if (id === currentObjectId) { 
               currentObjectIdSelect.selectedIndex = i; 
               break; 
            } 
         } 
      }); 
 
      // Pan zoom by default 
      viewer.defaultInteractiveMode = panZoom; 
 
      // Set up the automation (will create the container as well) 
      const automation: lt.Annotations.Automation.AnnAutomation = new lt.Annotations.Automation.AnnAutomation(manager, imageViewerAutomationControl); 
      this.automation = automation; 
      // Add handler to update the container size when the image size changes 
      viewer.itemChanged.add((sender, e) => { 
         const container: lt.Annotations.Engine.AnnContainer = automation.container; 
         container.size = container.mapper.sizeToContainerCoordinates(viewer.imageSize); 
 
         // Create new canvas data provider for the new image 
         const canvasDataProvider: lt.Demos.Annotations.CanvasDataProvider = new lt.Demos.Annotations.CanvasDataProvider(viewer.activeItem.canvas); 
         imageViewerAutomationControl.automationDataProvider = canvasDataProvider; 
 
      }); 
 
      // Set up this automation as the active one 
      this.automation.active = true; 
 
      if(callback) 
         callback(this.automation); 
   } 
 
   private createMyAutomationObjects(manager): void { 
      // Get the automation objects collection 
      const automationObjects = manager.objects; 
 
      // Set up the select automation object 
      const selectAutomationObj: lt.Annotations.Automation.AnnAutomationObject = new lt.Annotations.Automation.AnnAutomationObject(); 
      selectAutomationObj.id = lt.Annotations.Engine.AnnObject.selectObjectId; 
      selectAutomationObj.name = "Select"; 
      selectAutomationObj.drawDesignerType = lt.Annotations.Designers.AnnRectangleDrawDesigner; 
      selectAutomationObj.editDesignerType = lt.Annotations.Designers.AnnSelectionEditDesigner; 
      selectAutomationObj.runDesignerType = null; 
 
      // Create the object template for it 
      const selectObj: lt.Annotations.Engine.AnnSelectionObject = new lt.Annotations.Engine.AnnSelectionObject(); 
      selectObj.stroke = lt.Annotations.Engine.AnnStroke.create(lt.Annotations.Engine.AnnSolidColorBrush.create("darkgreen"), lt.LeadLengthD.create(2)); 
      selectAutomationObj.objectTemplate = selectObj; 
 
      // Add it to the automation objects of the manager 
      automationObjects.add(selectAutomationObj); 
 
      // Set up the line automation object 
      const lineAutomationObj: lt.Annotations.Automation.AnnAutomationObject = new lt.Annotations.Automation.AnnAutomationObject(); 
      lineAutomationObj.id = lt.Annotations.Engine.AnnObject.lineObjectId; 
      lineAutomationObj.name = "Line"; 
      lineAutomationObj.drawDesignerType = lt.Annotations.Designers.AnnLineDrawDesigner; 
      lineAutomationObj.editDesignerType = lt.Annotations.Designers.AnnPolylineEditDesigner; 
      lineAutomationObj.runDesignerType = lt.Annotations.Designers.AnnRunDesigner; 
 
      // Create the object template for it, use the default stroke 
      const lineObj: lt.Annotations.Engine.AnnPolylineObject = new lt.Annotations.Engine.AnnPolylineObject(); 
      lineAutomationObj.objectTemplate = lineObj; 
 
      // Add it to the automation objects of the manager 
      automationObjects.add(lineAutomationObj); 
 
      // Set up the rectangle automation object 
      const rectAutomationObj: lt.Annotations.Automation.AnnAutomationObject = new lt.Annotations.Automation.AnnAutomationObject(); 
      rectAutomationObj.id = lt.Annotations.Engine.AnnObject.rectangleObjectId; 
      rectAutomationObj.name = "Rectangle"; 
      rectAutomationObj.drawDesignerType = lt.Annotations.Designers.AnnRectangleDrawDesigner; 
      rectAutomationObj.editDesignerType = lt.Annotations.Designers.AnnRectangleEditDesigner; 
      rectAutomationObj.runDesignerType = lt.Annotations.Designers.AnnRunDesigner; 
 
      // Create the object template for it, use the default stroke and fill 
      const rectObj: lt.Annotations.Engine.AnnRectangleObject = new lt.Annotations.Engine.AnnRectangleObject(); 
      rectAutomationObj.set_objectTemplate(rectObj); 
 
      // Add it to the automation objects of the manager 
      automationObjects.add(rectAutomationObj); 
 
      const textAutomationObj: lt.Annotations.Automation.AnnAutomationObject = new lt.Annotations.Automation.AnnAutomationObject(); 
      textAutomationObj.id = lt.Annotations.Engine.AnnObject.textObjectId; 
      textAutomationObj.name = "Text"; 
      textAutomationObj.drawDesignerType = lt.Annotations.Designers.AnnRectangleDrawDesigner; 
      textAutomationObj.editDesignerType = lt.Annotations.Designers.AnnTextEditDesigner; 
      textAutomationObj.runDesignerType = lt.Annotations.Designers.AnnRunDesigner; 
 
      // Create the object template for it, use the default stroke, fill, text and font 
      const textObj: lt.Annotations.Engine.AnnTextObject = new lt.Annotations.Engine.AnnTextObject(); 
      textAutomationObj.objectTemplate = textObj; 
 
      // Add it to the automation objects of the manager 
      automationObjects.add(textAutomationObj); 
   } 
} 
import { AutomationHelper } from "../utilities/AutomationHelper"; 
 
export class AnnAutomation_LockExample { 
   automation = null; 
 
   constructor() { 
      const helper = new AutomationHelper(); 
      helper.run(this.updateAutomation); 
      document.getElementById('exampleButton').onclick = () => this.lock(this.automation); 
   } 
 
   updateAutomation = (automation) => this.automation = automation; 
 
 
   lock = (automation) => { 
      const rectObj = new lt.Annotations.Engine.AnnRectangleObject(); 
      rectObj.rect = lt.LeadRectD.create(100, 100, 800, 800); 
      rectObj.stroke = lt.Annotations.Engine.AnnStroke.create(lt.Annotations.Engine.AnnSolidColorBrush.create("blue"), 
         lt.LeadLengthD.create(1)); 
      rectObj.fill = lt.Annotations.Engine.AnnSolidColorBrush.create("yellow"); 
      automation.container.children.add(rectObj); 
      automation.invalidate(lt.LeadRectD.get_empty()); 
 
      // make sure no objects are selected in the automation 
      automation.selectObject(null); 
 
      const myPassword = "secret"; 
 
      // Hook to the lock and unlock events 
      const lockObject = (sender, e) => { 
         // e is of type AnnLockObjectEventArgs 
         alert("Lock it, sending password = " + myPassword); 
         e.set_password(myPassword); 
      }; 
 
      const unlockObject = (sender, e) => { 
         // e is of type AnnLockObjectEventArgs 
         alert("Unlock it, sending password = " + myPassword); 
         e.set_password(myPassword); 
      }; 
 
      automation.add_lockObject(lockObject); 
      automation.add_unlockObject(unlockObject); 
 
      // see if we can lock or unlock the object (this should show a message informing you that no objects are currently selected (bring edited) 
      this.lockUnlock(automation); 
 
      // select (edit) the object we have just added 
      automation.selectObject(rectObj); 
 
      // see if we can lock or unlock the object (should show the password dialog to lock the object) 
      this.lockUnlock(automation); 
 
      // see if we can lock or unlock the object (should show the password dialog to unlock the object) 
      this.lockUnlock(automation); 
 
      automation.remove_lockObject(lockObject); 
      automation.remove_unlockObject(unlockObject); 
   } 
 
 
   lockUnlock = (automation) => { 
      // first, check if we can lock the object 
      if (automation.canLock) { 
         // lock this object 
         automation.lock(); 
      } 
      else if (automation.canUnlock) { 
         // unlock this object 
         automation.unlock(); 
      } 
      else { 
         alert("Cannot lock or unlock because no object is currently being edited (selected)"); 
      } 
   } 
} 
export class AutomationHelper { 
   automation = null; 
 
   constructor() { 
      lt.RasterSupport.setLicenseUri("https://demo.leadtools.com/licenses/v200/LEADTOOLSEVAL.txt", "EVAL", null); 
   } 
 
   run(callback) { 
      // Create the viewer 
      const imageViewerDiv = document.getElementById("imageViewerDiv"); 
      const createOptions = new lt.Controls.ImageViewerCreateOptions(imageViewerDiv); 
      const viewer = new lt.Controls.ImageViewer(createOptions); 
      viewer.autoCreateCanvas = true; 
 
      // PanZoom interactive mode 
      const panZoom = new lt.Controls.ImageViewerPanZoomInteractiveMode(); 
 
      // Create an instance of the Automation control object that works with LEADTOOLS ImageViewer 
      const imageViewerAutomationControl = new lt.Demos.Annotations.ImageViewerAutomationControl(); 
      // Attach our image viewer 
      imageViewerAutomationControl.imageViewer = viewer; 
 
      // Set the image viewer interactive mode 
      const automationInteractiveMode = new lt.Demos.Annotations.AutomationInteractiveMode(); 
      automationInteractiveMode.automationControl = imageViewerAutomationControl; 
 
      // Set the image URL 
      viewer.imageUrl = "http://demo.leadtools.com/images/png/pngimage.png"; 
 
      // Create and set up the automation manager using the HTML5 rendering engine 
      const renderingEngine = new lt.Annotations.Rendering.AnnHtml5RenderingEngine(); 
      const manager = lt.Annotations.Automation.AnnAutomationManager.create(renderingEngine); 
 
      // Create only the line and rectangle automation objects 
      this.createMyAutomationObjects(manager); 
 
      // You can instruct the manager to create the default (all) automation objects. 
      // comment out the call to CreateMyAutomationObjects and call this instead: 
      //manager.createDefaultObjects(); 
 
      // Add the objects to the objects select element 
      const currentObjectIdSelect = document.getElementById("currentObjectIdSelect"); 
      // Add the PanZoom option 
      currentObjectIdSelect.options[currentObjectIdSelect.options.length] = new Option("Pan/Zoom", lt.Annotations.Engine.AnnObject.none.toString()); 
 
      const automationObjCount = manager.objects.count; 
      for (let i = 0; i < automationObjCount; i++) { 
         // Get the object 
         const automationObj = manager.objects.item(i); 
 
         // Add its name to the select element 
         const name = automationObj.name; 
         const id = automationObj.id; 
         currentObjectIdSelect.options[currentObjectIdSelect.options.length] = new Option(name, id.toString()); 
      } 
 
      // Hook to its change event 
      currentObjectIdSelect.addEventListener("change", () => { 
         // Get the object ID 
         const id = parseInt(currentObjectIdSelect.options[currentObjectIdSelect.selectedIndex].value); 
 
         // Set it as the current object in the manager 
         manager.currentObjectId = id; 
 
         // If this is the "Pan/Zoom" option, then back to pan zoom, otherwise, set our automation control 
         if (id == lt.Annotations.Engine.AnnObject.none) { 
            viewer.defaultInteractiveMode = panZoom; 
         } 
         else { 
            viewer.defaultInteractiveMode = automationInteractiveMode; 
         } 
      }); 
 
      // When the current object ID changes, we need to update our select 
      manager.add_currentObjectIdChanged((sender, e) => { 
         const currentObjectId = manager.currentObjectId; 
         for (let i = 0; i < currentObjectIdSelect.options.length; i++) { 
            const id = parseInt(currentObjectIdSelect.options[i].value); 
            if (id === currentObjectId) { 
               currentObjectIdSelect.selectedIndex = i; 
               break; 
            } 
         } 
      }); 
 
      // Pan zoom by default 
      viewer.defaultInteractiveMode = panZoom; 
 
      // Set up the automation (will create the container as well) 
      const automation = new lt.Annotations.Automation.AnnAutomation(manager, imageViewerAutomationControl); 
      this.automation = automation; 
      // Add handler to update the container size when the image size changes 
      viewer.itemChanged.add((sender, e) => { 
         const container = automation.container; 
         container.size = container.mapper.sizeToContainerCoordinates(viewer.imageSize); 
 
         // Create new canvas data provider for the new image 
         const canvasDataProvider = new lt.Demos.Annotations.CanvasDataProvider(viewer.activeItem.canvas); 
         imageViewerAutomationControl.automationDataProvider = canvasDataProvider; 
 
      }); 
 
      // Set up this automation as the active one 
      this.automation.active = true; 
 
      if(callback) 
         callback(this.automation); 
   } 
 
   createMyAutomationObjects(manager) { 
      // Get the automation objects collection 
      const automationObjects = manager.objects; 
 
      // Set up the select automation object 
      const selectAutomationObj = new lt.Annotations.Automation.AnnAutomationObject(); 
      selectAutomationObj.id = lt.Annotations.Engine.AnnObject.selectObjectId; 
      selectAutomationObj.name = "Select"; 
      selectAutomationObj.drawDesignerType = lt.Annotations.Designers.AnnRectangleDrawDesigner; 
      selectAutomationObj.editDesignerType = lt.Annotations.Designers.AnnSelectionEditDesigner; 
      selectAutomationObj.runDesignerType = null; 
 
      // Create the object template for it 
      const selectObj = new lt.Annotations.Engine.AnnSelectionObject(); 
      selectObj.stroke = lt.Annotations.Engine.AnnStroke.create(lt.Annotations.Engine.AnnSolidColorBrush.create("darkgreen"), lt.LeadLengthD.create(2)); 
      selectAutomationObj.objectTemplate = selectObj; 
 
      // Add it to the automation objects of the manager 
      automationObjects.add(selectAutomationObj); 
 
      // Set up the line automation object 
      const lineAutomationObj = new lt.Annotations.Automation.AnnAutomationObject(); 
      lineAutomationObj.id = lt.Annotations.Engine.AnnObject.lineObjectId; 
      lineAutomationObj.name = "Line"; 
      lineAutomationObj.drawDesignerType = lt.Annotations.Designers.AnnLineDrawDesigner; 
      lineAutomationObj.editDesignerType = lt.Annotations.Designers.AnnPolylineEditDesigner; 
      lineAutomationObj.runDesignerType = lt.Annotations.Designers.AnnRunDesigner; 
 
      // Create the object template for it, use the default stroke 
      const lineObj = new lt.Annotations.Engine.AnnPolylineObject(); 
      lineAutomationObj.objectTemplate = lineObj; 
 
      // Add it to the automation objects of the manager 
      automationObjects.add(lineAutomationObj); 
 
      // Set up the rectangle automation object 
      const rectAutomationObj = new lt.Annotations.Automation.AnnAutomationObject(); 
      rectAutomationObj.id = lt.Annotations.Engine.AnnObject.rectangleObjectId; 
      rectAutomationObj.name = "Rectangle"; 
      rectAutomationObj.drawDesignerType = lt.Annotations.Designers.AnnRectangleDrawDesigner; 
      rectAutomationObj.editDesignerType = lt.Annotations.Designers.AnnRectangleEditDesigner; 
      rectAutomationObj.runDesignerType = lt.Annotations.Designers.AnnRunDesigner; 
 
      // Create the object template for it, use the default stroke and fill 
      const rectObj = new lt.Annotations.Engine.AnnRectangleObject(); 
      rectAutomationObj.set_objectTemplate(rectObj); 
 
      // Add it to the automation objects of the manager 
      automationObjects.add(rectAutomationObj); 
 
      const textAutomationObj = new lt.Annotations.Automation.AnnAutomationObject(); 
      textAutomationObj.id = lt.Annotations.Engine.AnnObject.textObjectId; 
      textAutomationObj.name = "Text"; 
      textAutomationObj.drawDesignerType = lt.Annotations.Designers.AnnRectangleDrawDesigner; 
      textAutomationObj.editDesignerType = lt.Annotations.Designers.AnnTextEditDesigner; 
      textAutomationObj.runDesignerType = lt.Annotations.Designers.AnnRunDesigner; 
 
      // Create the object template for it, use the default stroke, fill, text and font 
      const textObj = new lt.Annotations.Engine.AnnTextObject(); 
      textAutomationObj.objectTemplate = textObj; 
 
      // Add it to the automation objects of the manager 
      automationObjects.add(textAutomationObj); 
   } 
} 
<!doctype html> 
<html lang="en"> 
<title>Automation Example | EditText</title> 
 
<head> 
   <script src="https://code.jquery.com/jquery-2.2.4.min.js" 
      integrity="sha256-BbhdlvQf/xTY9gja0Dq3HiwQF8LaCRTXxZKRutelT44=" crossorigin="anonymous"></script> 
 
   <script src="../../LT/Leadtools.js"></script> 
   <script src="../../LT/Leadtools.Controls.js"></script> 
   <script src="../../LT/Leadtools.Annotations.Engine.js"></script> 
   <script src="../../LT/Leadtools.Annotations.Designers.js"></script> 
   <script src="../../LT/Leadtools.Annotations.Rendering.Javascript.js"></script> 
   <script src="../../LT/Leadtools.Annotations.Automation.js"></script> 
   <script src="../../LT/Leadtools.Demos.js"></script> 
   <script src="../../LT/Leadtools.Demos.Annotations.Js"></script> 
   <style> 
      #imageViewerDiv { 
         border: 1px solid #000000; 
         width: 800px; 
         height: 800px; 
         background-color: #7F7F7F; 
      } 
   </style> 
   <!-- All demo files are bundled and appended to the window --> 
   <script src="../../bundle.js" type="text/javascript"></script> 
</head> 
 
<body> 
   <p>Either Pan/Zoom or Annotations mode. In annotations mode, draw new objects or edit them.</p> 
   <div> 
      <select id="currentObjectIdSelect"></select> 
      <input type="button" id="exampleButton" value="Example" /> 
      <label id="exampleLabel" /> 
   </div> 
   <div id="imageViewerDiv" /> 
</body> 
 
<script> 
   window.onload = () => { 
      const example = new window.examples.AnnAutomation.Lock(); 
   }; 
</script> 
</html> 
Requirements
Target Platforms
Help Version 21.0.2021.3.5
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Leadtools.Annotations.Automation Assembly