# ScrollableControl Namespace: **Wisej.Web** Assembly: **Wisej.Framework** (4.0.0.0) * [Control](/api/wisej.web/general/control.md) * [ScrollableControl](/api/wisej.web/containers/scrollablecontrol.md) Defines a base class for controls that support auto-scrolling behavior. {% tabs %} {% tab title="C#" %} ```csharp public class ScrollableControl : Control ``` {% endtab %} {% tab title="VB.NET" %} ```visual-basic Public Class ScrollableControl Inherits Control ``` {% endtab %} {% endtabs %} ## Constructors ### ![](/files/hsR4ok3152WyAf8J2C1u) ScrollableControl() Initializes a new instance of the [ScrollableControl](/api/wisej.web/containers/scrollablecontrol.md) class. ## Properties ### ![](/files/hsR4ok3152WyAf8J2C1u) AutoScroll [Boolean](https://docs.microsoft.com/dotnet/api/system.boolean): Returns or sets whether the container enables the user to scroll to any controls placed outside of its visible boundaries. (Default: `False`) ### ![](/files/hsR4ok3152WyAf8J2C1u) AutoScrollMargin [Size](https://docs.microsoft.com/dotnet/api/system.drawing.size): Returns or sets the size of the auto-scroll margin. (Default: `{Width=0, Height=0}`) **Throws:** * [ArgumentOutOfRangeException](https://docs.microsoft.com/dotnet/api/system.argumentoutofrangeexception)\ The [Height](https://docs.microsoft.com/dotnet/api/system.drawing.size.height) or [Width](https://docs.microsoft.com/dotnet/api/system.drawing.size.width) value assigned is less than 0. ### ![](/files/hsR4ok3152WyAf8J2C1u) AutoScrollMinSize [Size](https://docs.microsoft.com/dotnet/api/system.drawing.size): Returns or sets the minimum size of the auto-scroll. (Default: `{Width=0, Height=0}`) ### ![](/files/hsR4ok3152WyAf8J2C1u) ClientArea [Rectangle](https://docs.microsoft.com/dotnet/api/system.drawing.rectangle): Returns the client rectangle to use in the designer. ### ![](/files/hsR4ok3152WyAf8J2C1u) DisplayRectangle [Rectangle](https://docs.microsoft.com/dotnet/api/system.drawing.rectangle): Returns the rectangle that represents the virtual display area of the control. ### ![](/files/hsR4ok3152WyAf8J2C1u) HorizontalScroll [HScrollProperties](/api/wisej.web/content/scrollbar/wisej.web.hscrollproperties.md): Returns the properties associated with the horizontal scroll bar. ### ![](/files/hsR4ok3152WyAf8J2C1u) HScroll [Boolean](https://docs.microsoft.com/dotnet/api/system.boolean): Returns whether the horizontal scroll bar is visible. ### ![](/files/lzopMboA31bVq8UIcbT3) OverlappedScrollbars [Boolean](https://docs.microsoft.com/dotnet/api/system.boolean): Returns whether the scrollbars are being created overlapped with the content in the browser at runtime. ### ![](/files/hsR4ok3152WyAf8J2C1u) ScrollBars [ScrollBars](/api/wisej.web/enumerations/wisej.web.scrollbars.md): Returns or sets the type of scroll bars to display for the [ScrollableControl](/api/wisej.web/containers/scrollablecontrol.md) control. (Default: `Both`) ### ![](/files/lzopMboA31bVq8UIcbT3) ScrollBarSize [Size](https://docs.microsoft.com/dotnet/api/system.drawing.size): Returns the size of the native scrollbar in design mode and the themed scrollbar at runtime. ### ![](/files/hsR4ok3152WyAf8J2C1u) VerticalScroll [VScrollProperties](/api/wisej.web/content/scrollbar/wisej.web.vscrollproperties.md): Returns the properties associated with the vertical scroll bar. ### ![](/files/hsR4ok3152WyAf8J2C1u) VScroll [Boolean](https://docs.microsoft.com/dotnet/api/system.boolean): Returns whether the vertical scroll bar is visible. ## Methods ### ![](/files/lzopMboA31bVq8UIcbT3) OnRightToLeftChanged(e) Fires the [RightToLeftChanged](/api/wisej.web/general/control.md#righttoleftchanged) event. | Parameter | Type | Description | | --------- | ------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------- | | **e** | [EventArgs](https://docs.microsoft.com/dotnet/api/system.eventargs) | An [EventArgs](https://docs.microsoft.com/dotnet/api/system.eventargs) that contains the event data. | ### ![](/files/lzopMboA31bVq8UIcbT3) OnScroll(e) Fires the [Scroll](#scroll) event. | Parameter | Type | Description | | --------- | -------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------------- | | **e** | [ScrollEventArgs](/api/wisej.web/content/scrollbar/wisej.web.scrolleventargs.md) | A [ScrollEventArgs](/api/wisej.web/content/scrollbar/wisej.web.scrolleventargs.md) that contains the event data. | This event fires only if there is an handler attached to it. A simple overload of the On\[Event] method in a derived class will not be invoked unless there is at least one handler attached to the event. ### ![](/files/lzopMboA31bVq8UIcbT3) OnVisibleChanged(e) Fires the [VisibleChanged](/api/wisej.web/general/control.md#visiblechanged) event. | Parameter | Type | Description | | --------- | ------------------------------------------------------------------- | --------------------------------------------------------------------------------------------------- | | **e** | [EventArgs](https://docs.microsoft.com/dotnet/api/system.eventargs) | A [EventArgs](https://docs.microsoft.com/dotnet/api/system.eventargs) that contains the event data. | ### ![](/files/lzopMboA31bVq8UIcbT3) OnWebEvent(e) Processes the event from the client. | Parameter | Type | Description | | --------- | ----------------------------------------------------------- | ---------------- | | **e** | [WisejEventArgs](/api/wisej.core/general/wisejeventargs.md) | Event arguments. | ### ![](/files/lzopMboA31bVq8UIcbT3) OnWebRender(config) Renders the client component. | Parameter | Type | Description | | ---------- | ------------------------------------------------------------- | ----------------------------- | | **config** | [Object](https://docs.microsoft.com/dotnet/api/system.object) | Dynamic configuration object. | ### ![](/files/lzopMboA31bVq8UIcbT3) OnWebUpdate(state) Updates the client component using the state information. | Parameter | Type | Description | | --------- | ------------------------------------------------------------- | --------------------- | | **state** | [Object](https://docs.microsoft.com/dotnet/api/system.object) | Dynamic state object. | ### ![](/files/hsR4ok3152WyAf8J2C1u) PointToClient(point) Computes the location of the specified screen point into client coordinates. | Parameter | Type | Description | | --------- | ------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------- | | **point** | [Point](https://docs.microsoft.com/dotnet/api/system.drawing.point) | The screen coordinate [Point](https://docs.microsoft.com/dotnet/api/system.drawing.point) to convert. | **Returns:** [Point](https://docs.microsoft.com/dotnet/api/system.drawing.point). A [Point](https://docs.microsoft.com/dotnet/api/system.drawing.point) that represents the converted [Point](https://docs.microsoft.com/dotnet/api/system.drawing.point), *point* , in client coordinates. ### ![](/files/hsR4ok3152WyAf8J2C1u) PointToScreen(point) Computes the location of the specified client point into screen coordinates. | Parameter | Type | Description | | --------- | ------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------- | | **point** | [Point](https://docs.microsoft.com/dotnet/api/system.drawing.point) | The client coordinate [Point](https://docs.microsoft.com/dotnet/api/system.drawing.point) to convert. | **Returns:** [Point](https://docs.microsoft.com/dotnet/api/system.drawing.point). A [Point](https://docs.microsoft.com/dotnet/api/system.drawing.point) that represents the converted [Point](https://docs.microsoft.com/dotnet/api/system.drawing.point), *point* , in screen coordinates. ### ![](/files/hsR4ok3152WyAf8J2C1u) ScrollControlIntoView(control) Scrolls the specified child *control* into view. | Parameter | Type | Description | | ----------- | -------------------------------------------- | -------------------------------------- | | **control** | [Control](/api/wisej.web/general/control.md) | The child control to scroll into view. | ### ![](/files/hsR4ok3152WyAf8J2C1u) ScrollControlIntoView(control, alignX, alignY) Scrolls the specified child *control* into view. using the specified *alignX* and *alignY* preferences. | Parameter | Type | Description | | ----------- | ----------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | **control** | [Control](/api/wisej.web/general/control.md) | The child control to scroll into view. | | **alignX** | [HorizontalAlignment](/api/wisej.web/enumerations/wisej.web.horizontalalignment.md) | Indicates the [HorizontalAlignment](/api/wisej.web/enumerations/wisej.web.horizontalalignment.md) preference. The final location of the control depends on the scrollable range and the available space. Note that [Center](/api/wisej.web/enumerations/wisej.web.horizontalalignment.md#fields) will not scroll the control to the center, but will instead scroll it into the closest visible location with the minimum movement. | | **alignY** | [VerticalAlignment](/api/wisej.web/enumerations/wisej.web.verticalalignment.md) | Indicates the [VerticalAlignment](/api/wisej.web/enumerations/wisej.web.verticalalignment.md) preference. The final location of the control depends on the scrollable range and the available space. Note that [Middle](/api/wisej.web/enumerations/wisej.web.verticalalignment.md#fields) will not scroll the control to the middle, but will instead scroll it into the closest visible location with the minimum movement. | ## Events ### ![](/files/hsR4ok3152WyAf8J2C1u) Scroll [ScrollEventHandler](/api/wisej.web/content/scrollbar/wisej.web.scrolleventhandler.md) Fired when the user or code scrolls through the client area. This event fires only if there is an handler attached to it. A simple overload of the On\[Event] method in a derived class will not be invoked unless there is at least one handler attached to the event. ## Inherited By | Name | Description | | ----------------------------------------------------------------------------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | [TableLayoutPanel](/api/wisej.web/containers/tablelayoutpanel.md) | Represents a panel that dynamically lays out its contents in a grid composed of rows and columns. | | [FileDialogUI](/api/wisej.web/common-dialogs/wisej.web.filedialogui.md) | UI implementation for the FileDialog class. | | [FolderBrowserDialogUI](/api/wisej.web/common-dialogs/wisej.web.folderbrowserdialogui.md) | UI implementation for the FolderDialog class. | | [BindingNavigator](/api/wisej.web/data-binding/wisej.web.bindingnavigator.md) | Represents the navigation and manipulation user interface (UI) for controls that are bound to a data source. | | [ContainerControl](/api/wisej.web/containers/containercontrol.md) | Provides focus-management functionality for controls that can function as a container for other controls. | | [FlowLayoutPanel](/api/wisej.web/containers/flowlayoutpanel.md) | Represents a panel that dynamically arranges its controls horizontally or vertically in automatic rows or columns. | | [Form](/api/wisej.web/containers/form.md) | Represents a window or dialog box that makes up an application's user interface. | | [Page](/api/wisej.web/containers/wisej.web.page.md) | Represents a web page that fills the browser and acts as the main container for the application. An application can have only one active main page at any given time. | | [Panel](/api/wisej.web/containers/wisej.web.panel.md) | Represents a collapsible panel with an optional header that contains a group of controls. | | [SplitContainer](/api/wisej.web/containers/splitcontainer.md) | Represents a control consisting of a movable bar that divides a container's display area into two resizable panels. | | [SplitterPanel](/api/wisej.web/containers/splitcontainer/wisej.web.splitterpanel.md) | Creates a panel that is associated with a [SplitContainer](/api/wisej.web/containers/splitcontainer.md). | | [TabPage](/api/wisej.web/containers/tabcontrol/wisej.web.tabpage.md) | Represents a single tab page in a [TabControl](/api/wisej.web/containers/tabcontrol.md). | | [UserControl](/api/wisej.web/containers/wisej.web.usercontrol.md) | Provides an empty control that can be used to create other controls. | | [DataRepeater](/api/wisej.web/containers/datarepeater.md) | Displays data in a customizable list format. | | [DataRepeaterItem](/api/wisej.web/containers/datarepeater/wisej.web.datarepeateritem.md) | Used by the [DataRepeater](/api/wisej.web/containers/datarepeater.md) control to display data at run time. | | [Desktop](/api/wisej.web/containers/desktop.md) | Represents a desktop container that can host floating windows. | | [AccordionPanel](/api/wisej.web/containers/accordion/wisej.web.accordionpanel.md) | Represents a panel in a [Accordion](/api/wisej.web/containers/accordion.md) control. | | [FlexLayoutPanel](/api/wisej.web/containers/flexlayoutpanel.md) | Represents a panel that dynamically arranges its child controls. | | [UserPopup](/api/wisej.web/containers/wisej.web.userpopup.md) | Provides an popup container that can be attached to other controls. | ## Implements | Name | Description | | --------------------------------------------------------------------------------- | --------------------------------------------------------------------------------------------------------------------- | | [IUserData](/api/wisej.web/interfaces/wisej.web.iuserdata.md) | Provides access to the `UserData` and `Tag` properties associated to the component implementing this interface. | | [IBindableComponent](/api/wisej.web/data-binding/wisej.web.ibindablecomponent.md) | Bindable components implement this interface. | | [IDropTarget](/api/wisej.web/interfaces/wisej.web.idroptarget.md) | Controls that support drag & drop operations implement this interface. | | [IWisejComponent](/api/wisej.core/interfaces/wisej.core.iwisejcomponent.md) | All wisej components implement this interface. | | [IWisejControl](/api/wisej.core/interfaces/wisej.core.iwisejcontrol.md) | All wisej controls derived from the [Control](/api/wisej.web/general/control.md) class must implement this interface. | | [IWisejSerializable](/api/wisej.core/interfaces/wisej.core.iwisejserializable.md) | Allows an object to serialize itself. | --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. 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