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      /zk_config_ref/org_zkoss_zul_drop_allownulldragged.html
    • web.xml
      • ZK Loader
      • ZK AU Engine
      • ZK Resource Engine
      • ZK Session Cleaner
      • ZK Filter
      • DSP Loader
      • Sample of web.xml
    • zk.xml
      • The client-config Element
        • The debug-js Element
        • The disable-behind-modal Element
        • The enable-source-map Element
        • The error-reload Element
        • The keep-across-visits Element
        • The package Element
        • The processing-prompt-delay Element
        • The resend-delay Element
        • The send-client-errors Element
        • The tooltip-delay Element
        • The auto-resend-timeout Element
        • The init-crash-script Element
        • The init-crash-timeout Element
      • The desktop-config Element
        • The desktop-timeout Element
        • The disable-theme-uri Element
        • The extendlet-check-period Element
        • The file-check-period Element
        • The repeat-uuid Element
        • The theme-uri Element
        • The theme-uri-handler-class Element
        • The theme-provider-class Element
      • The device-config Element
        • The device-class Element
        • The device-type Element
        • The embed Element
        • The server-push-class Element
        • The unavailable-message Element
      • The error-page Element
      • The language-config Element
      • The library-property Element
      • The Library Properties
        • class.mold
        • org.zkoss.bind.appConverters
        • org.zkoss.bind.appValidators
        • org.zkoss.bind.DebuggerFactory.enable
        • org.zkoss.bind.defaultComposer.class
        • org.zkoss.bind.disableMethodCache
        • org.zkoss.bind.jsonBindingParamConverter.class
        • org.zkoss.bind.proxy.IgnoredProxyClasses
        • org.zkoss.bind.proxy.ProxyDecoratorClass
        • org.zkoss.bind.viewModel.autoNotifyChange.enable
        • org.zkoss.lang.contextClassLoader.class
        • org.zkoss.theme.atlantic.useGoogleFont.disabled
        • org.zkoss.util.label.cache
        • org.zkoss.util.label.classpath.charset
        • org.zkoss.util.label.web.charset
        • org.zkoss.util.label.web.location
        • org.zkoss.util.logging.config.file
        • org.zkoss.util.logging.realCauseBriefly
        • org.zkoss.util.resource.LabelLoader.class
        • org.zkoss.web.classWebResource.cache
        • org.zkoss.web.classWebResource.cache.CSS.hours
        • org.zkoss.web.classWebResource.cache.etag
        • org.zkoss.web.util.resource.dir
        • org.zkoss.web.preferred.2DigitYearStart
        • org.zkoss.web.servlet.http.URLEncoder
        • org.zkoss.web.servlet.http.embedded.enabled
        • org.zkoss.zk.au.AuWriters.ContentType
        • org_zkoss_zk_config_path
        • org.zkoss.zk.moment.timezone.path
        • org_zkoss_zk_portlet2_namespacedParameter_enabled
        • org.zkoss.zk.scripting.bsh.method.serializable
        • org_zkoss_zk_ui_activate_wait_retry_abort
        • org.zkoss.zk.ui.activate.wait.retry.timeout
        • org.zkoss.zk.ui.composer.autowire.zscript
        • org.zkoss.zk.ui.composer.autowire.xel
        • org.zkoss.zk.ui.EmulateIE7
        • org.zkoss.zk.ui.event.EventQueueProvider.class
        • org.zkoss.zk.ui.EventListener.duplicateIgnored
        • org.zkoss.zk.ui.input.grouping.allowed
        • org.zkoss.zk.ui.invokeFirstRootForAfterKeyDown.enabled
        • org.zkoss.zk.ui.jsonServiceParamConverter.class
        • org.zkoss.zk.ui.macro.autoforward.disabled
        • org.zkoss.zk.ui.macro.autowire.disabled
        • org.zkoss.zk.ui.macro.autowire.convention
        • org.zkoss.zk.ui.metainfo.page.Loader.class
        • org.zkoss.zk.ui.processMask.enabled
        • org.zkoss.zk.ui.uuidRecycle.disabled
        • org.zkoss.zk.ui.ScriptErrorListener.class
        • org.zkoss.zk.ui.ShadowDefaultHost.class
        • org.zkoss.zk.ui.sys.XMLResourcesLocator.class
        • org.zkoss.zk.ui.versionInfo.enabled
        • org.zkoss.zk.WPD.cache
        • org.zkoss.zk.WCS.cache
        • org.zkoss.zk.ZUML.cache
        • org.zkoss.zkex.ui.comet.smartconnection.disabled
        • org.zkoss.zkplus.cdi.beanManager.jndiName
        • org.zkoss.zkmax.au.websocket.WebSocketEndPoint.connectionTimeout
        • org.zkoss.zkmax.au.websocket.WebSocketEndPoint.pingIntervalSecond
        • org.zkoss.zkmax.au.websocket.WebSocketEndPoint.pingTimeoutSecond
        • org.zkoss.zkmax.au.websocket.WebSocketEndPoint.pingSchedulingPoolSize
        • org.zkoss.zkmax.au.websocket.WebSocketEndPoint.reconnection
        • org.zkoss.zkmax.au.websocket.WebSocketEndPoint.reconnectionAttempts
        • org.zkoss.zkmax.au.websocket.WebSocketEndPoint.reconnectionDelay
        • org.zkoss.zkmax.au.websocket.WebSocketEndPoint.reconnectionDelayMax
        • org.zkoss.zkmax.au.IWBS.disable
        • org.zkoss.zkmax.au.websocket.WebSocketEndPoint.urlPattern
        • org.zkoss.zkmax.tablet.ui.disabled
        • org.zkoss.zkmax.touch.disabled
        • org.zkoss.zkmax.ui.comet.async.disabled
        • org.zkoss.zkmax.ui.util.Loadingbar.animationSpeed
        • org.zkoss.zkmax.zul.FiledownloadListener.class
        • org.zkoss.zul.borderlayout.animation.disabled
        • org.zkoss.zul.client.rod
        • org.zkoss.zul.css.flex
        • org.zkoss.zul.drop.allowNullDragged
        • org.zkoss.zul.Filedownload.contentTypeAsIs
        • org.zkoss.zul.include.mode
        • org.zkoss.zul.image.preload
        • org.zkoss.zul.invalidateThreshold
        • org.zkoss.zul.grid.autoSort
        • org.zkoss.zul.grid.preloadSize
        • org.zkoss.zul.grid.initRodSize
        • org.zkoss.zul.grid.autohidePaging
        • org.zkoss.zul.grid.rod
        • org.zkoss.zul.listbox.checkmarkDeselectOthers
        • org.zkoss.zul.listbox.rightSelect
        • org.zkoss.zul.listbox.groupSelect
        • org.zkoss.zul.listbox.autoSort
        • org.zkoss.zul.listbox.preloadSize
        • org.zkoss.zul.listbox.rod
        • org.zkoss.zul.listbox.initRodSize
        • org.zkoss.zul.listbox.autohidePaging
        • org.zkoss.zul.listbox.selectOnHighlight.disabled
        • org.zkoss.zul.nativebar
        • org.zkoss.zul.numberFormat
        • org.zkoss.zul.progressbox.position
        • org.zkoss.zul.tablet.meta.viewport.disabled
        • org.zkoss.zul.theme.browserDefault
        • org.zkoss.zul.theme.fontFamilyC
        • org.zkoss.zul.theme.fontFamilytT
        • org.zkoss.zul.theme.fontSizeM
        • org.zkoss.zul.theme.fontSizeMS
        • org.zkoss.zul.theme.fontSizeS
        • org.zkoss.zul.theme.fontSizeXS
        • org.zkoss.zul.tree.checkmarkDeselectOthers
        • org.zkoss.zul.tree.initRodSize
        • org.zkoss.zul.tree.maxRodPageSize
        • org.zkoss.zul.tree.rightSelect
        • org.zkoss.zul.tree.autoSort
        • org.zkoss.zul.tree.autohidePaging
        • org.zkoss.zul.tree.selectOnHighlight.disabled
        • org.zkoss.zul.tree.throttleMillis
        • preserve-all-blank
      • The listener Element
        • The org.zkoss.zk.ui.event.EventThreadCleanup interface
        • The org.zkoss.zk.ui.event.EventThreadInit interface
        • The org.zkoss.zk.ui.event.EventThreadResume interface
        • The org.zkoss.zk.ui.event.EventThreadSuspend interface
        • The org.zkoss.zk.ui.util.Composer interface
        • The org.zkoss.zk.ui.util.DesktopCleanup interface
        • The org.zkoss.zk.ui.util.DesktopInit interface
        • The org.zkoss.zk.ui.util.EventInterceptor interface
        • The org.zkoss.zk.ui.util.ExecutionCleanup interface
        • The org.zkoss.zk.ui.util.ExecutionInit interface
        • The org.zkoss.zk.ui.util.ExecutionMonitor interface
        • The org.zkoss.zk.ui.util.Initiator interface
        • The org.zkoss.zk.ui.util.Monitor interface
        • The org.zkoss.zk.ui.util.PerformanceMeter interface
        • The org.zkoss.zk.ui.util.RequestInterceptor interface
        • The org.zkoss.zk.ui.util.SessionCleanup interface
        • The org.zkoss.zk.ui.util.SessionInit interface
        • The org.zkoss.zk.ui.util.UiLifeCycle interface
        • The org.zkoss.zk.ui.util.URIInterceptor interface
        • The org.zkoss.zk.ui.util.WebAppCleanup interface
        • The org.zkoss.zk.ui.util.WebAppInit interface
        • The org.zkoss.zk.ui.sys.PropertiesRenderer interface
        • The org.zkoss.zk.ui.sys.SEORenderer interface
        • The org.zkoss.xel.VariableResolver interface
      • The preference Element
        • The Preferences
      • The richlet Element
        • The richlet-mapping Element
      • The xel-config Element
      • The session-config Element
        • The automatic-timeout Element
        • The max-desktops-per-session Element
        • The max-pushes-per-session Element
        • The max-requests-per-session Element
        • The session-timeout Element
        • The timeout-message Element
        • The timeout-uri Element
        • The timer-keep-alive Element
      • The system-config Element
        • The au-decoder-class Element
        • The au-writer-class Element
        • The cache-provider-class Element
        • The config-parser-class Element
        • The crawlable Element
        • The disable-event-thread Element
        • The disable-zscript Element
        • The engine-class Element
        • The event-time-warning Element
        • The failover-manager-class Element
        • The file-item-factory-class Element
        • The file-repository Element
        • The file-size-threshold Element
        • The id-generator-class Element
        • The label-location Element
        • The max-spare-threads Element
        • The max-suspended-threads Element
        • The max-upload-size Element
        • The max-process-time Element
        • The response-charset Element
        • The session-cache-class Element
        • The upload-charset Element
        • The upload-charset-finder-class Element
        • The ui-factory-class Element
        • The web-app-class Element
        • The web-app-factory-class Element
      • The system-property Element
      • The zscript-config Element
    • JAR File's config.xml
      • Samples
      • The client-config Element
      • The config-name Element
      • The depends Element
      • The device-config Element
      • The language-config Element
      • The library-property Element
      • The listener Element
      • The preference Element
      • The system-config Element
      • The version Element
      • The zscript-config Element

    org.zkoss.zul.drop.allowNullDragged

    On this page

    Property: org.zkoss.zul.drop.allowNullDragged

    Default: false

    If the value is true, then the DropEvent will allow NULL Component without throwing an exception, which means the dragged component was detached or destroyed.

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