DevExpress.Data.Desktop.v25.1 Provides types that describe video capture devices and video properties. The base class for classes that describe video capture devices. Initializes a new instance of the class with the specified settings. An object that comprises system information about the video capture device. Gets the string representation of the moniker for the current device. A String value that specifies the string representation of the moniker for the current device. Disposes of the current object and releases all the allocated resources. Determines whether the specified object is equal to the current object. The object to compare with the current object. true if the specified object is equal to the current object; otherwise, false. Returns the list of video resolutions available on the current device. The list of video resolutions available on the current device. Returns the list of video resolutions available on the current device. The list of video resolutions available on the current device. Returns the hash code for the current object. The hash code for the current object. Gets whether the video capture device is already in use in another application. true, the video capture device is already in use in another application; otherwise, false. Gets whether the device is currently capturing video. true, if the device is currently capturing video; otherwise, false. Gets the UI display name of the video capture device. A String value that specifies the UI display name of the video capture device. Gets or sets the resolution of a video stream captured by the current device. A structure that specifies the resolution of a video stream captured by the current device. Sets the ICameraDeviceClient object that processes the video from the current capture device. An ICameraDeviceClient object that processes the video from the current capture device. Starts capturing video from the current device. Stops capturing video from the current device. Returns the video frame currently captured by the device. A object that is the video frame currently captured by the device. Processes Windows messages. The Windows Message to process. Contains system information used to identify a video capture device. Initializes a new instance of the class with the specified settings. A String value that specifies the string representation of the moniker for the video capture device. This value is assigned to the CameraDeviceInfo.MonikerString field. A String value that specifies the UI display name of the video capture device. This value is assigned to the CameraDeviceInfo.Name field. Initializes a new instance of the class with the specified settings. A String value that specifies the string representation of the moniker for the video capture device. This value is assigned to the CameraDeviceInfo.MonikerString field. Compares the current instance with a specified object and indicates whether the current instance precedes, follows, or appears at the same position in the sort order as the specified object. An object to compare with the current instance. An integer value that specifies whether the current instance precedes, follows, or appears at the same position in the sort order as the specified object. The string representation of the moniker for the video capture device. The UI display name of the video capture device. Returns the UI display name of the video capture device. A String value that is the UI display name of the video capture device. Describes a video property on a video capture device. Gets the default value of the video property. An value that specifies the default value of the video property. Gets the maximum value of the video property. An value that specifies the maximum value of the video property. Gets the minimum value of the video property. An value that specifies the minimum value of the video property. Gets the name of the video property. A value that specifies the name of the video property. Occurs when a property value changes. Resets the video property value to its default. Gets the step size for the video property. The step size is the smallest increment by which the property can change. An value that specifies the step size for the video property. Gets or sets the current setting of the video property. An value that specifies the current setting of the video property. Provides access to the video properties on a video capture device. Initializes a new instance of the class with the specified settings. An ICameraDeviceClient object that processes the video stream received from a video capture device. Provides access to the video property that specifies the backlight compensation setting. A object that is the video property specifying the backlight compensation setting. Provides access to the video property that specifies the brightness, also called the black level. A object that is the video property specifying the brightness, also called the black level. Provides access to the video property that specifies the color enable setting. A object that is the video property specifying the color enable setting. Provides access to the video property that specifies the contrast. A object that is the video property specifying the contrast. Provides access to the video property that specifies the gain adjustment. A object that is the video property specifying the gain adjustment. Provides access to the video property that specifies the gamma. A object that is the video property specifying the gamma. Provides access to the video property that specifies the hue. A object that is the video property specifying the hue. Occurs when a property value changes. Resets the video properties to their defaults. Provides access to the video property that specifies the saturation. A object that is the video property specifying the saturation. Provides access to the video property that specifies the sharpness. A object that is the video property specifying the sharpness. Provides access to the video property that specifies the white balance, as a color temperature in degrees Kelvin. A object that is the video property specifying the white balance, as a color temperature in degrees Kelvin. Lists types of data rows to expose from the source control. The ChartControl visualizes selected data rows. The ChartControl visualizes all data rows from the source control’s underlying data source. The ChartControl visualizes only visible data rows. A data source for a ChartControl that retrieves row data from another UI control (for example, , , , or ). Initializes a new instance of the class with the default settings. Gets or sets the source control that provides its data rows. The source control. Gets or sets the type of data rows to expose from the source control. The type of data rows to expose from the source control. Occurs every time any of the class’ properties has changed its value. Reloads data rows from the source control. true to raise the event; otherwise, false. Initializes new instance of the class with the specified settings. The value indicating the currently provided data row type. Returns the type of changed rows. The type of changed rows. Represents the method that will handle the IControlRowSource.Changed event. An object of any type that triggers the IControlRowSource.Changed event. Event arguments that provide data for the PrintingSystemBase.PrintProgress event. Occurs every time the data source is changed. Returns data rows of the specified row type. The requested row type. Data rows of the specified row type. Returns the data row source. The data row source. Contains utility classes and interfaces for DevExpress components. Allows you to control clipboard-related operations initiated by users and DevExpress UI controls for WinForms and WPF. Enables clipboard-related operations for the specified data formats. Data formats. Enables the specified clipboard-related operation(s) for the specified data format. The clipboard-related operation. The data format. Enables the specified clipboard-related operation. The clipboard-related operation. Fires after a DevExpress UI control has cleared the clipboard. Fires when a DevExpress UI control attempts to clear the clipboard and allows you to allow (or cancel) the operation. Contains data for clipboard-related events. Gets the data format. The data format. Gets an object that defines a format-independent mechanism for transferring data. An object that implements IDataObject. null (Nothing in Visual Basic) if there is no object. Gets a value that indicates whether the clipboard clear operation is being processed. true if the clipboard clear operation is being processed; otherwise, false. Gets a value that indicates whether the copy-to-clipboard operation is being processed. true if the copy-to-clipboard operation is being processed; otherwise, false. Gets a value that indicates whether the paste-from-clipboard operation is being processed. true if the paste-from-clipboard operation is being processed; otherwise, false. Gets the clipboard-related operation being processed. The clipboard-related operation. Returns a string representation of the current object. A string representation of the current object. Contains data for clipboard-related events. Gets the data format. The data format. Gets an object that defines a format-independent mechanism for transferring data. An object that implements IDataObject. null (Nothing in Visual Basic) if there is no object. Gets a value that indicates whether the clipboard clear operation is being processed. true if the clipboard clear operation is being processed; otherwise, false. Gets a value that indicates whether the copy-to-clipboard operation is being processed. true if the copy-to-clipboard operation is being processed; otherwise, false. Gets a value that indicates whether the paste-from-clipboard operation is being processed. true if the paste-from-clipboard operation is being processed; otherwise, false. Gets a value that indicates whether a DevExpress UI control requests a copy/paste operation to update its UI (for example, menu commands). true if the DevExpress UI control requests a copy/paste operation to update its UI; otherwise, false. Gets the clipboard-related operation being processed. The clipboard-related operation. Returns a string representation of the current object. A string representation of the current object. Fires after the user has copied data displayed in a DevExpress control to the clipboard. Fires when the user attempts to copy data displayed in a DevExpress control to the clipboard and allows you to allow (or cancel) the operation. Allows you to respond to associated failures. Contains data for the event. Gets the exception. The exception. Gets or sets whether to throw an exception. true to throw an exception; otherwise, false. Returns a string representation of the current object. A string representation of the current object. Fires after the user has pasted data into a DevExpress control from the clipboard. Fires when the user attempts to paste data into a DevExpress control from the clipboard and allows you to allow (or cancel) the operation. Applies a policy to suppress all clipboard-related operations within DevExpress WinForms and WPF controls (including operations performed by DevExpress WinForms and WPF controls). Applies a policy to suppress clipboard clearing operations performed by DevExpress WinForms and WPF controls. Applies a policy to suppress clipboard-access operations performed by DevExpress WinForms and WPF controls. Applies a policy to suppress all copy-to-clipboard operations within DevExpress WinForms and WPF controls. Applies a policy to suppress all paste-from-clipboard operations within DevExpress WinForms and WPF controls. Applies a policy that suppresses all clipboard-related operations in DevExpress WinForms and WPF controls. Applies a policy that throws an exception when a clipboard-related operation fails in a DevExpress WinForms or WPF control. Allows you to control processes initiated by DevExpress UI controls in response to user actions. This member supports the internal infrastructure, and is not intended to be used directly from your code. The service. Allows you to respond to associated failures. This member is for advanced configuration. It supports the internal infrastructure, and is not intended to be used directly from your code. This member is for advanced configuration. It supports the internal infrastructure, and is not intended to be used directly from your code. This member is for advanced configuration. It supports the internal infrastructure, and is not intended to be used directly from your code. This member is for advanced configuration. It supports the internal infrastructure, and is not intended to be used directly from your code. Contains data for the event. Initializes a new instance of the class with specified settings. The exception. This value is assigned to the property. Gets the exception. The exception. Gets or sets whether to throw an exception. true to throw an exception; otherwise, false. Registers a trusted resource. The trusted resource. The arguments. Registers a trusted resource. The trusted resource. Applies a policy that displays a confirmation dialog that prompts a user to confirm or cancel a process. Fires after a process has started. Fires before a process starts and allows you to cancel the process. Applies a policy that suppresses all new processes. Applies a policy that throws an exception when a process is about to start. Throws an exception if a process fails to start. Allows you to spot, analyze, and prohibit unwanted requests to the system registry. Enables the specified registry operation. The registry operation. Fires when the DevExpress control attempts to create a subkey in the system registry and allows you to cancel the operation. Fires when the DevExpress control attempts to delete a subkey from the system registry and allows you to cancel the operation. Fires when the DevExpress control attempts to delete a value from a system registry key and allows you to cancel the operation. Fires when the DevExpress control attempts to iterate subkey values in the system registry and allows you to cancel the operation. Allows you to respond to associated failures. Contains data for the event. Initializes a new instance of the class with specified settings. The exception. This value is assigned to the property. The registry operation. This value is assigned to the property. Gets the exception. The exception. Gets the registry operation being processed. The registry operation. Gets or sets whether to throw an exception. true to throw an exception; otherwise, false. Indicates whether the specified registry operation is allowed. The registry operation. true if the specified registry operation is allowed; otherwise, false. Contains data for and events. Initializes a new instance of the class with specified settings. The registry hive (a logical group of keys, subkeys, and values in the registry). This value is assigned to the property. The registry key. This value is assigned to the property. The operation performed on the subkey. This value is assigned to the property. true to cancel the operation; otherwise, false. Gets the operation performed on the subkey. The operation performed on the subkey. Fires when the DevExpress control attempts to read a value from a system registry key and allows you to cancel the operation. The base class for classes that contain data for RegistryAccessPolicy events. Gets a registry hive (a logical group of keys, subkeys, and values in the registry). The registry hive (a logical group of keys, subkeys, and values in the registry). Gets the requested registry key. The registry key. Fires when the DevExpress control attempts to write a value to a system registry key and allows you to cancel the operation. Gets a value that indicates whether the RegistryAccessPolicy throws an exception if a read/write request to the system registry fails. true if the RegistryAccessPolicy throws an exception if a read/write request to the system registry fails; otherwise, false. Lists operations that can be performed on subkeys in the system registry. Creates a subkey. Deletes a subkey. Gets child key names in a subkey. Gets values and/or their names in a subkey. Suppresses all requests to the system registry. Suppresses read operations from the system registry. Suppresses requests to write to the system registry. Throws an exception when the control accesses the system registry. Throws an exception if a read/write request to the system registry fails. Contains data for , , and events. Initializes a new instance of the class with specified settings. The registry hive (a logical group of keys, subkeys, and values in the registry). This value is assigned to the property. The registry key. This value is assigned to the property. The name of the value stored in a registry key. This value is assigned to the property. The operation on a key value in the system registry. This value is assigned to the property. true to cancel the operation; otherwise false Gets the name of the value stored in a registry key. The name of the value stored in a registry key. Gets an operation on a key value in the system registry. The operation on a key value in the system registry. Enumerates operations available to access values ​​in a registry key. Deletes a value from a system registry key. Reads a value from a system registry key. Writes a value to a system registry key. Contains classes that provide the basic printing functionality. Provides settings for a printer. Initializes a new instance of the class with specified settings. Gets a comment about a printer. A string that specifies the comment about the printer. Gets the printer display name. A string that specifies the printer display name. Gets the printer full name. A string that specifies the printer name. Gets the printer location. A string that specifies the printer location. Gets information on documents in the print queue. A string that specifies the documents in the print queue. Gets the printer type. The printer type. Gets the printer status. A string that specifies the printer status. An element of an HTML-CSS template. Initializes a new instance of the class with specified settings. Returns the number of elements owned by this HTML element (the length of the DxHtmlElement.Children collection). The number of HTML elements owned by this element. Returns HTML elements owned by this element. This collection includes only direct children; elements owned by child elements are not included. The collection of child HTML elements. Gets or sets the name of the CSS style applied to this element. The name of the CSS style applied to this element. Returns the height of the element’s client area (the area that contains child elements of this HTML element). The height of this element’s client area. Returns the distance between the element’s left border and the left border of this element’s client area (the area that contains child elements of this HTML element). The left margin of the element’s client area. Returns the distance between the element’s top border and the top border of this element’s client area (the area that contains child elements of this HTML element). The top margin of the element’s client area. Returns the width of the element’s client area (the area that contains child elements of this HTML element). The width of this element’s client area. Gets or sets whether this element is disabled. Disabled elements do not trigger HtmlElementMouseClick and HtmlElementMouseDown events, and are styled with the “main_class_name:disabled” CSS pseudo-class. true if this element is disabled; otherwise, false. Returns an item of this element’s Children collection that has the target ID. If multiple items are present, it returns the first found item. The ID to search. The HTML element with the target ID. Returns all of this element’s Children collection items that are styled with the target CSS class. The name of a CSS style to find. The list of found HTML elements. Returns all of this element’s Children collection items that have the specific tag. The tag to find. The collection of child elements with the given tag. Gets or sets whether this element is focused. Focused elements are styled with the “main_class_name:focus” CSS pseudo-class. true to focus the element and apply the “:focus” CSS pseudo-class; false to unfocus the element and apply the regular CSS style. true if the item was successfully focused; otherwise, false. Modifies all child elements that match the given predicate. This method searches for matching elements recursively: first among this element’s Children collection, then among child elements of these children, and so on, until it reaches the lowermost elements. The action that modifies found elements. The condition used to find HTML elements. Returns the actual CSS style applied to this element. The actual CSS style of this element. Gets or sets whether this element is shown on-screen. true to completely hide this element; false to display the element. Gets or sets the unique element identifier. You can search elements by their IDs with the FindElementById(String) method. The element identifier. Gets or sets whether this element is selected. Focused elements are styled with the “main_class_name:select” CSS pseudo-class. true to select the element and apply the “:select” CSS pseudo-class; false to deselect the element and apply the regular CSS style. true if the element was successfully selected; otherwise, false. Gets or sets the element tooltip. The tooltip displayed when a user hovers over this element. Stores information about an HTML element with which a user has interacted. Initializes a new instance of the class. Initializes a new instance of the class with specified settings. Initializes a new instance of the class with specified settings. Returns whether this element can pass an event up along the tree, to its parent HTML elements. You can enable the CancelBubble property to stop an event at this control level. See any “HtmlElementMouse~” event description for more details on bubbling (for example, WinExplorerView.HtmlElementMouseClick). true if this element can pass an event to its parent elements; otherwise, false. Specifies whether this element should pass an event to its parent elements. See any “HtmlElementMouse~” event description for more information about bubbling (for example, WinExplorerView.HtmlElementMouseClick). true to prevent an event from bubbling up along the element tree; otherwise, false. Returns the unique identifier of an HTML element. Element IDs are set in HTML markup (the “id” property). See any “HtmlElementMouse~” event description for more information (for example, WinExplorerView.HtmlElementMouseClick). The unique identifier of an HTML element. Specifies whether a control whose HTML element triggered this event should raise its own related event. See any “HtmlElementMouse~” event description for more information (for example, WinExplorerView.HtmlElementMouseClick). true if a parent control’s own event should not fire; otherwise, false. Stores information about a mouse action that triggered a related event. Initializes a new instance of the class with specified settings. Initializes a new instance of the class with specified settings. Stores information about a clicked element. Stores information about a mouse pointer. Initializes a new instance of the class with specified settings. Stores information about a mouse pointer. Returns actual bounds of a clicked element. The returned value depends on the screen scaling. For example, the Bounds property for a square div element with 50px sides returns Height and Width values of 100px when shown on a display with a 200% Windows scaling option. A Rectangle that stores location and size of a related element. Returns the clicked mouse button. The clicked mouse button. Returns the number of clicks. The number of returned clicks. Returns information about a clicked element. Stores information about a clicked element. Returns information about a mouse pointer. Stores information about a mouse pointer. Returns the X coordinate of a mouse pointer. The X coordinate of a mouse pointer. Returns the Y coordinate of a mouse pointer. The Y coordinate of a mouse pointer. Contains common utility classes used by WPF controls and components from DevExpress. Lists the values that specify the compatibility settings version. The DevExpress WPF controls function like in the latest version. The DevExpress WPF controls function like in v17.2. The DevExpress WPF controls function like in v18.1. The DevExpress WPF controls function like in v18.2. The DevExpress WPF controls function like in v19.1. The DevExpress WPF controls function like in v19.2. The DevExpress WPF controls function like in v20.1. The DevExpress WPF controls function like in v20.2. The DevExpress WPF controls function like in v21.1. The DevExpress WPF controls function like in v21.2. The DevExpress WPF controls function like in v22.1. Provides access to compatibility settings. Gets or sets whether to enable UI Automation-based accessibility alerts for validation errors. true to enable UI Automation-based accessibility alerts for validation errors; otherwise, false. Gets or sets whether users can edit a format condition’s expression text. true to allow users to edit a format condition’s expression text; otherwise, false. Gets or sets whether the GridControl’s logic of getting/setting the editor’s value is enabled. true, if the GridControl’s logic of getting/setting the editor’s value is enabled; otherwise, false.The default value is true. Gets or sets whether to use the GlyphRun engine to render text in cell editors. true to use the GlyphRun engine; otherwise, false. Gets or sets whether to allow infinite size of the grid-based control (for example, GridControl, TreeListControl). true to allow a control to have an infinite size; otherwise, false. Gets or sets whether to allow users to filter grid values in the Drop-down Filter and Filter Editor when the is in the . true to allow users to filter grid values in the Drop-down Filter and Filter Editor when the is in the ; otherwise, false. Gets or sets whether ribbon controls should attempt to re-use existing link control (LightweightBarItemLinkControl, BarButtonItemLinkControl, BarCheckItemLinkControl, and so on) objects to enhance merging performance. true, to re-use an existing link control; otherwise false. Gets or sets whether to enable the legacy Theme Preload. true to enable the legacy Theme Preload; otherwise, false. Gets or sets whether to display the Column Chooser in the legacy window. true to display the Column Chooser in the legacy window; false to use this legacy window only if the is in a pop-up window. Gets or sets whether to display the Runtime Summary Editor in the legacy window. true to display the Runtime Summary Editor in the legacy window; false to use this legacy window only if the is in a pop-up window. Gets or sets the controls’ compatibility mode. A compatibility mode. Specifies whether a recurring appointment is converted to a normal appointment when an end-user drags and drops it to another resource. True, if a recurring appointment is converted to normal after a drag-and-drop operation to another resource; otherwise, false. Default is false. Gets or sets a value that specifies how the DXBinding (DXEvent, DXCommand) markup extensions resolve input expressions. Any of the enumeration values. Gets or sets whether to enable DPI correction to improve layout rendering. true, to enable DPI correction; otherwise false. Gets or sets whether to automatically calculate the LabeledBy property for child elements of a LayoutItemAutomationPeer. true to automatically calculate the LabeledBy property for child elements of a LayoutItemAutomationPeer; otherwise, false. Gets or sets whether to hide the Calendar Button from the Date Navigation Panel. true to hide the Calendar Button from the Date Navigation Panel; otherwise, false. Gets or sets whether TimeSpan masks should hide optional segments. false to hide optional segments in TimeSpan masks; otherwise true. Specifies a legacy default theme which the application should use. A legacy default theme. Gets or sets whether the Window.GetWindow() method should return the floating window’s position in relation to the main window’s position (where the DockLayoutManager manager is placed). true to return a floating window’s related prosition; otherwise false. Gets or sets whether editors should automatically update their selection to highlight a selected mask part that a user can edit. true, to update editor selection to highlight a selected mask part that a user can edit; otherwise, false. Specifies whether to update the in a single batch during the data source synchronization. true, to restore the legacy (slower) behavior; otherwise, false. Specifies whether the DiagramControl’s data binding engine prioritizes the IListSource interface over the IEnumerable. true, to prioritize the IListSource interface; false, to prioritize the IEnumerable interface. Gets or sets whether to render page content with DirectX. true, to enable DirectX page content rendering; false, to render page content with GDI/GDI+. The default is true. Gets or sets the SchedulerControl UI style. By default, Outlook2019. Specifies whether to display the Date Navigation Panel by default. true, to display the WPF Scheduler’s Date Navigation Panel by default, otherwise, false. Gets or sets whether TrackBarEdit should increment or decrement its value when a user clicked a line next to the thumb. true to increment or decrement TrackBarEdit value when a user clicks a line next to the thumb; otherwise false. Specifies whether to use the control to render the ‘s dropdown window. true to use the DateNavigator in the DateEdit‘s dropdown; otherwise, false. Gets or sets whether the Between Dates and On Dates date operators are used. true, to use the Between Dates and On Dates date operators; otherwise, false. Gets or sets whether the legacy calendar is used in the . true, to use the legacy calendar; otherwise, false. Gets or sets whether the legacy drop-down filter is used. true, to use the legacy drop-down filter; otherwise, false. Gets or sets whether to use the legacy Null Value button in the ButtonEdit editor and its descendants. true, to use the legacy Null Value button; otherwise, false. Gets or sets whether DevExpress WPF Controls display their messages in the legacy message box. true if DevExpress WPF Controls display their messages in the legacy message box; otherwise, false. Gets or sets whether the legacy filter editor is used. true, to use the legacy filter editor; otherwise, false. Gets or sets whether to use the legacy filter panel. true, to use the legacy filter panel; otherwise, false. Specifies whether to calculate and individually for each ‘s occurrence. true, to calculate QueryStart and QueryEnd individually for each occurrence; false, to use the pattern’s QueryStart and QueryEnd for changed and deleted occurrences. Specifies whether to use decoration panels to draw the ‘s elements. true to use the legacy mechanism affected by the CellControl’s customization properties; false to use decoration panels. Specifies whether to revert to the legacy Timeline view. true, to revert to the legacy Timeline view; otherwise, false. Gets or sets whether to display the Ribbon Customization Options in the legacy window. true to display the Ribbon Customization Options in the legacy window; otherwise, false. Gets or sets whether optimized mode should be enabled for all items. This property should be set at the application’s startup before loading bar components. true to enable optimized mode for all items; otherwise false. Gets or sets whether the dx:ButtonThemeKey resource containing the Button template should use the ResourceKey=ButtonControlTemplate. true, to use ResourceKey=ButtonControlTemplate in the dx:ButtonThemeKey resource; otherwise false. Gets or sets whether to use lightweight themes within the application. true to use lightweight themes within the application; otherwise, false. Gets or sets whether to enable the middle-click to scroll functionality. true to enable the middle-click to scroll functionality; otherwise, false. Gets or sets whether to enable a ribbon’s deferred page merging. true to merge ribbon’s page content only when a user opens the page; otherwise, false. Gets or sets whether to use the ThemedMessageBox instead of DXMessageBox in WindowService, DialogService, and WindowedDocumentUIService. true, to use the ThemedMessageBox; otherwise, false. Specifies whether to revert to the Wait Indicator control that uses the theme resources. true, to revert to the Wait Indicator control that uses the theme resources; otherwise, false. The default value is false. Gets or sets whether to use the instead of in WindowService, DialogService, and WindowedDocumentUIService. true, to use the ; otherwise, false. Specifies whether editors set the 0 (zero) or null value after the last digit is removed. A mode that specifies whether editors set the 0 (zero) or null value after the last digit is removed. Lists values that specify how the DXBinding (DXEvent, DXCommand) markup extensions resolve input expressions. The DXBinding, DXCommand and DXEvent markup extensions interpret their expressions that allows them using dynamic typization, so you do no need to cast values. The DXBinding, DXCommand and DXEvent markup extensions compile their expressions thus using static typization, so you do need to cast values. Lists legacy default themes. The DeepBlue legacy default theme. The theme was default in the v16.1 WPF Controls and prior. The Office2016White legacy default theme. The theme was default in the v20.1 WPF Controls and prior. Lists the values that specify the NumericMaskOptions.ValueAfterDelete property. When a user removes the last digit, the editor value becomes null. When a user removes the last digit, the editor value becomes 0 (zero). If a user presses the Backspace or Delete key to remove this zero, the editor value becomes null.