isSupported Method

export class BindingManagerExample { 
   public constructor() { 
      if (lt.RasterSupport.kernelExpired) 
         lt.RasterSupport.setLicenseUri("https://demo.leadtools.com/licenses/js/LEADTOOLSEVAL.txt", "EVAL", null); 
 
      this.rebind(); 
   } 
 
   public run = (divID: string): void => { 
      const lv = new lt.LEADVIEW.Viewer(); 
 
      lv.run(null, { 
         'rootDivId': divID 
      }); 
   } 
 
   public rebind = () => { 
      /** 
       * The BindingManager handles overwriting any default LEADVIEW button functionality. 
       * We recommend that you setup bindings before calling LEADVIEW.run(); 
       */ 
      const manager = lt.LEADVIEW.BindingManager.Instance; 
 
      /** 
       * The binding contract to apply to one of LEADVIEW's components. 
       */ 
      const binding: lt.LEADVIEW.LVBinding = { 
         onClick: () => alert('Custom Click!'), 
         tooltip: 'Custom Tooltip!', 
         class: 'lv-custom-class' 
      }; 
 
      /** 
         * A full list of all keys available for binding can be retrieved by calling 
         * BindingManager.getAllAvailableKeys().  This will return an array of all available keys. 
         * To check and see if a key is supported in LEADVIEW, just call BindingManager.isSupported(). 
         * 
         * Any string key value can be set in the manager, but the key will only be consumed internally by LEADVIEW 
         * if isSupported = true. 
         * 
         * For the purposes of this example, we will just loop through every available key, and apply our custom binding. 
        */ 
      manager.getAllAvailableKeys().forEach(key => { 
         if(!manager.isSupported(key)) return; 
 
         manager.add(key, binding, true); 
      }); 
   } 
}