Documentation

Class RadTaskDialogControlElement

Inheritance
System.Object
DisposableObject
RadObject
RadElement
VisualElement
RadComponentElement
RadItem
UIItemBase
LightVisualElement
RadTaskDialogControlElement
Inherited Members
System.Object.Equals(System.Object)
System.Object.Equals(System.Object, System.Object)
System.Object.ReferenceEquals(System.Object, System.Object)
System.Object.GetHashCode()
System.Object.GetType()
System.Object.MemberwiseClone()
Namespace: Telerik.WinControls.UI.TaskDialog
Assembly: Telerik.WinControls.UI.dll

Syntax

public class RadTaskDialogControlElement : LightVisualElement, INotifyPropertyChanged, ICustomTypeDescriptor, ISupportSystemSkin, IComponent, IDisposable, IBindableComponent, ISupportDrag, ISupportDrop, IShortcutProvider, IStylableElement, IStylableNode, IPrimitiveElement, IShapedElement, IFillElement, IBorderElement, IBoxStyle, IBoxElement, IImageElement, ITextPrimitive, ITextProvider

Constructors

RadTaskDialogControlElement()

Declaration
public RadTaskDialogControlElement()

Properties

Page

Get or sets the RadTaskDialogPage, which is used to display the information and interaction.

Declaration
public RadTaskDialogPage Page { get; set; }
Property Value
RadTaskDialogPage

PageDefaultWidth

Gets or sets the default width of the page used when SizeToContent is [false]. Note that this property getter considers the PageMinWidth and PageMaxWidth properties.

Declaration
public int PageDefaultWidth { get; set; }
Property Value
System.Int32

PageMaxWidth

Gets or sets the maximal width of the page used when SizeToContent is [true].

Declaration
public int PageMaxWidth { get; set; }
Property Value
System.Int32

PageMinWidth

Gets or sets the minimal width of the page used when SizeToContent is [true].

Declaration
public int PageMinWidth { get; set; }
Property Value
System.Int32

Methods

ArrangeOverride(SizeF)

Arranges the RadTaskDialogControlElement to its final location. The element must call the Arrange method of each of its children.

Declaration
protected override SizeF ArrangeOverride(SizeF finalSize)
Parameters
System.Drawing.SizeF finalSize

The size that is available for element.
Returns
System.Drawing.SizeF

The rectangle occupied by the element. Usually finalSize. Should you return different size, the Layout system will restart measuring and rearranging the items. That could lead to infinite recursion.
Overrides
Remarks

In this method call to the Arrange method of each child must be made.

CreateChildElements()

Called by the element when constructed. Allows inheritors to build the element tree.

Declaration
protected override void CreateChildElements()
Overrides

CreateHorizontalScrollBarElement()

Creates a horizontal scrollbar element.

Declaration
protected virtual RadScrollBarElement CreateHorizontalScrollBarElement()
Returns
RadScrollBarElement

The scrollbar.

CreateVerticalScrollBarElement()

Creates a vertical scrollbar element.

Declaration
protected virtual RadScrollBarElement CreateVerticalScrollBarElement()
Returns
RadScrollBarElement

The scrollbar.

InitializeFields()

Initializes member fields to their default values. This method is called prior the CreateChildItems one and allows for initialization of members on which child elements depend.

Declaration
protected override void InitializeFields()
Overrides

MeasureOverride(SizeF)

Measures the space required by the RadTaskDialogControlElement

Used by the layout system.

Declaration
protected override SizeF MeasureOverride(SizeF availableSize)
Parameters
System.Drawing.SizeF availableSize

The size that is available to the RadTaskDialogControlElement. The available size can be infinity (to take the full size of the element)
Returns
System.Drawing.SizeF

The minimum size required by the element to be completely visible. Cannot be infinity.
Overrides
Remarks

In this method call to the Measure method of each child must be made.

OnDesiredSizeChanged(SizeF)

Called when the DesiredSize of the page is changed.

Declaration
protected virtual void OnDesiredSizeChanged(SizeF desiredSize)
Parameters
System.Drawing.SizeF desiredSize

The desired size.

ProcessHelpRequested(HelpEventArgs)

Called when a HelpRequested event is raised in the parent RadTaskDialogControl control.

Declaration
protected virtual bool ProcessHelpRequested(HelpEventArgs hevent)
Parameters
System.Windows.Forms.HelpEventArgs hevent

The event arguments.
Returns
System.Boolean

Whether the page has handled the event.

ProcessKeyDown(PreviewKeyDownEventArgs)

Called when a ProcessKeyDown event is raised in the parent RadTaskDialogControl control.

Declaration
protected virtual bool ProcessKeyDown(PreviewKeyDownEventArgs e)
Parameters
System.Windows.Forms.PreviewKeyDownEventArgs e

The event arguments.
Returns
System.Boolean

Whether the page has handled the event.

ShouldArrangeChild(RadElement)

Gets a value indicating, whether a child will be arranged during the ArrangeOverride.

Declaration
protected override bool ShouldArrangeChild(RadElement child)
Parameters
RadElement child

The child.
Returns
System.Boolean

Whether the child will be arranged in ArrangeOverride.
Overrides

ShouldMeasureChild(RadElement)

Gets a value indicating, whether a child will be measured during the MeasureOverride.

Declaration
protected override bool ShouldMeasureChild(RadElement child)
Parameters
RadElement child

The child.
Returns
System.Boolean

Whether the child will be measured in MeasureOverride.
Overrides

Extension Methods