v2.5
Wisej.Web
Wisej.Web.VisualBasic
Wisej.Core
Wisej.Base
System
ScrollBar
Wisej.Web.ScrollBar
Namespace: Wisej.Web
Assembly: Wisej.Framework (2.5.0.0)
Implements the basic functionality of a scroll bar control.
C#
VB.NET
1
public class ScrollBar : Control
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Public Class ScrollBar
2
Inherits Control
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Constructors
​
ScrollBar()
Properties
​LargeChange
Throws:
- The assigned value is less than 0.
​Maximum
​Minimum
​SmallChange
Throws:
- The assigned value is less than 0.
​TabStop
​Value
​Int32: Returns or sets a numeric value that represents the current position of the scroll box on the scroll bar control.
Throws:
Events
​Scroll
​ScrollEventHandler Fired when the scroll box has been moved by either a mouse or keyboard action.
​ValueChanged
​EventHandler Fired when the Value property is changed, either by a Scroll event or programmatically.
Inherited
Properties
Name
Description
From
Returns or sets the description that will be reported to accessibility client applications. It is assigned to the "alt" attribute of the browser element.
Returns or sets the name of the control for use by accessibility client applications. It is assigned to the "name" attribute of the browser element.
Returns or sets the accessible role of the control that will be reported to accessibility client applications. It is assigned to the "role" attribute of the browser element.
Returns or sets the edges of the container to which a control is bound and determines how a control is resized with its parent.
Returns or sets whether the control receives pointer events. Anonymous controls let pointer events bubble to their parents.
Returns a flag indicating that the control is becoming the active control.
Returns or sets whether the control causes validation to be performed on controls that require to be validated when this control receives focus.
Returns a collection of client events and JavaScript listeners. You may attach multiple listeners to same event.
Indicates whether the control, or one of its child controls, has the input focus.
Returns or sets the cursor that is displayed when the mouse pointer is over the control.
Returns the rectangle that represents the virtual display area of the control.
Returns or sets which control borders are docked to its parent control and determines how a control is resized with its parent.
Check if the control defines any responsive profile without forcing the creation of the collection.
Returns or sets an initialization script to execute when the widget is created (or reloaded) in the browser.
Returns if the control has a server-side component id (handle) associated with it.
Returns or sets the distance, in pixels, between the left edge of the control and the left edge of its container's client area.
Returns or sets the coordinates of the upper-left corner of the control relative to the upper-left corner of its container.
Returns or sets the edges of the control that can be dragged to resize the control.
Returns or sets the distance, in pixels, between the top edge of the control and the top edge of its container's client area.
Returns a dynamic object that can be used to store custom data in relation to this control.
Returns or sets whether to use the wait cursor for the current control and all child controls.
Returns a flag indicating that the validation has been canceled.
Returns or sets whether the control and all its child controls are displayed.
Methods
Name
Description
From
Adds a new listener script to the event name to the client widget.
Adds the CSS class name to the widget element. If the class already exists in the CssClass it's not added.
Runs the JavaScript function within the component's context in the browser.
Runs the JavaScript function within the component's context in the browser and returns the value to the callback method.
Asynchronously runs the JavaScript function within the component's context in the browser and returns an awaitable Task containing the value returned by the remote call.
Centers the position of the control within the bounds of the parent.
Centers the position of the control within the bounds of the parent either horizontally, vertically or both.
Indicates whether the specified control is a child of this control.
Begins a drag-and-drop operation.
Begins a drag-and-drop operation.
Runs the javaScript code within the component's context in the browser.
Runs the javaScript code within the component's context in the browser and returns the value to the callback method.
Asynchronously runs the javaScript code within the component's context in the browser and returns an awaitable Task that contains the value returned by the remote call.
Retrieves the child control that is located at the specified coordinates, specifying whether to ignore child controls of a certain type.
Retrieves the child control that is located at the specified coordinates.
Returns the script associated to the listener identified by id .
Returns the scripts for all the listeners attached to the event name .
Retrieves the next control forward or back in the tab order of child controls.
Retrieves the value of the specified control style bit for the control.
Checks whether the specified event name has any listener attached.
Causes the control to update the client side widget. When in design mode, causes the rendered control to update its entire surface in the designer.
Causes the control to update the client side widget. When in design mode, causes the rendered control to update its entire surface in the designer.
Executes the specified delegate, on the thread that owns the control's underlying window handle, with the specified list of arguments.
Computes the location of the specified screen point into client coordinates.
Computes the location of the specified client point into screen coordinates.
Computes the size and location of the specified screen rectangle in client coordinates.
Computes the size and location of the specified client rectangle in screen coordinates.
Forces the control to update corresponding client widget. When in DesignMode it forces a full redraw of the designer surface for this control, including the non-client areas such as the caption of forms or panels.
Forces the control to update corresponding client widget. When in DesignMode it forces a full redraw of the designer surface for this control and optionally of its children, including the non-client areas such as the caption of forms or panels.
Detaches and removes the listener identified by id .
Removes all the listeners attached to the event name .
Causes a control bound to the BindingSource to reread all the items in the list and refresh their displayed values.
Resumes layout logic, optionally forcing an immediate layout of all pending layout requests.
Scrolls the control into view in the container using the specified alignX and alignY preferences.
Activates the next control in the list according to the specified selection rules.
Sets the bounds of the control to the specified location and size.
Sets the specified bounds of the control to the specified location and size.
Causes the control to update the corresponding client side widget. When in design mode, causes the rendered control to update its entire surface in the designer.
Validates all selectable child controls in the container, including descendants. This is equivalent to calling ValidateChildren(ValidationConstraints.Selectable). See Selectable for details of exactly which child controls will be validated.
Validates all the child controls in the container. Exactly which controls are validated and which controls are skipped is determined by flags .
Events
Name
Description
From
ControlCreated
Fired when a control is made visible the first time, fully created and sent to the client.
EndResize
MouseDown
Fired when the mouse pointer is over the control and a mouse button is pressed.
MouseUp
Fired when the mouse pointer is over the control and a mouse button is released.
Pinch
Fired when two finger moved towards or away from each other. It contains the scaling factor of the pinch.
PreviewKeyDown
QueryContinueDrag
Occurs during a drag-and-drop operation and enables the drag source to determine whether the drag-and-drop operation should be canceled.
Rotate
Fired when two finger moved around a single point. It contains the angle of the rotation.
StartResize
TouchCancel
Fired when a touch point has been disrupted in an implementation-specific manner (for example, too many touch points are created).
Extension Methods
Name
Description
From
Displays a prompt in a dialog box, waits for the user to input text or click a button, and then returns a string containing the contents of the text box.
Asynchronous displays a prompt in a dialog box, waits for the user to input text or click a button, and then returns a string containing the contents of the text box.
Displays a message in a dialog box, waits for the user to click a button, and then returns an integer indicating which button the user clicked.
Asynchronously displays a message in a dialog box, waits for the user to click a button, and then returns an integer indicating which button the user clicked.
Inherited By
Name
Description
Represents an horizontal scroll bar.
Represents a vertical scroll bar.
Last modified 3mo ago