Class RadDropDownMenu
Represents a drop down menu used in radComboBox and radMenu.
Inherited Members
Namespace: Telerik.WinControls.UI
Assembly: Telerik.WinControls.UI.dll
Syntax
[RadToolboxItem(false)]
public class RadDropDownMenu : RadItemsPopupControl, INotifyPropertyChanged, ISupportInitializeNotification, ISupportInitialize, IComponentTreeHandler, ILayoutHandler, IPCHost, IAnalyticsProvider, IPopupControl, IItemsControlConstructors
RadDropDownMenu()
Initializes a new instance of the RadDropDownMenu class
Declaration
public RadDropDownMenu()RadDropDownMenu(RadElement)
Creates an instance of the RadDropDownMenu class.
Declaration
public RadDropDownMenu(RadElement ownerElement)Parameters
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Rad An instance of the RadElement class that represents the owner of this drop down menu |
Properties
CausesValidation
Declaration
public bool CausesValidation { get; set; }Property Value
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System.
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ClickedItem
Gets the item that has been clicked. This property is valid when the drop-down is closed by an item click.
Declaration
public RadItem ClickedItem { get; }Property Value
HeaderImage
Gets or sets menu header column image
Declaration
public Image HeaderImage { get; set; }Property Value
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System.
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HeaderText
Gets or sets menu header column text
Declaration
public string HeaderText { get; set; }Property Value
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System.
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IsTwoColumnMenu
Indicates whether the DropDown contains one or two cloumns of items.
Declaration
public virtual bool IsTwoColumnMenu { get; set; }Property Value
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System.
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PopupElement
Gets or sets the popup element.
Declaration
public RadElement PopupElement { get; set; }Property Value
RootTreeHandler
Declaration
public IComponentTreeHandler RootTreeHandler { get; }Property Value
ThemeClassName
Declaration
public override string ThemeClassName { get; set; }Property Value
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System.
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Overrides
Methods
CanClosePopup(RadPopupCloseReason)
Declaration
public override bool CanClosePopup(RadPopupCloseReason reason)Parameters
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Rad
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Returns
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System.
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Overrides
CanNavigate(Keys)
CanProcessItem(RadMenuItemBase)
Declaration
protected virtual bool CanProcessItem(RadMenuItemBase menuItem)Parameters
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Rad
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Returns
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System.
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CanProcessMnemonic(Char)
Declaration
public override bool CanProcessMnemonic(char keyData)Parameters
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System.
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Returns
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System.
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Overrides
CheckCanNavigate(Keys)
CheckCanProcessMnemonic(IItemsControl, Char)
Declaration
protected virtual bool CheckCanProcessMnemonic(IItemsControl itemsControl, char keyData)Parameters
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IItems
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System.
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Returns
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System.
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ControlDefinesThemeForElement(RadElement)
Declaration
public override bool ControlDefinesThemeForElement(RadElement element)Parameters
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Rad
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Returns
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System.
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Overrides
CreateAccessibilityInstance()
Declaration
protected override AccessibleObject CreateAccessibilityInstance()Returns
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System.
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CreatePopupElement()
Dispose(Boolean)
Declaration
protected override void Dispose(bool disposing)Parameters
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System.
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Overrides
DoOnItemClicked(RadMenuItemBase, MouseEventArgs)
Declaration
protected virtual void DoOnItemClicked(RadMenuItemBase menuItem, MouseEventArgs e)Parameters
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Rad
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System.
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EnsureItemEnabled(RadItem, Boolean)
Selects next enabled item.
Declaration
protected virtual void EnsureItemEnabled(RadItem item, bool isUp)Parameters
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Rad The currently selected item. |
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System. Direction. |
GetMenuItemAtPoint(Point)
Declaration
protected RadMenuItemBase GetMenuItemAtPoint(Point location)Parameters
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System.
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Returns
GetOwnerScreenLocation()
Declaration
protected virtual Point GetOwnerScreenLocation()Returns
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System.
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GetOwnerSize()
Declaration
protected virtual Size GetOwnerSize()Returns
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System.
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InitializeChildren()
Declaration
protected virtual void InitializeChildren()OnDropDownClosed(RadPopupClosedEventArgs)
Declaration
protected override void OnDropDownClosed(RadPopupClosedEventArgs args)Parameters
Overrides
OnDropDownLocationNeeded(Point)
Declaration
protected virtual Point OnDropDownLocationNeeded(Point point)Parameters
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System.
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Returns
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System.
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OnItemDeselected(ItemSelectedEventArgs)
Declaration
protected override void OnItemDeselected(ItemSelectedEventArgs args)Parameters
Overrides
OnItemsChanged(RadItemCollection, RadItem, ItemsChangeOperation)
Declaration
protected virtual void OnItemsChanged(RadItemCollection changed, RadItem target, ItemsChangeOperation operation)Parameters
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Rad
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Rad
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Items
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OnItemSelected(ItemSelectedEventArgs)
Declaration
protected override void OnItemSelected(ItemSelectedEventArgs args)Parameters
Overrides
OnKeyDown(Keys)
Declaration
public override bool OnKeyDown(Keys keyData)Parameters
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System.
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Returns
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System.
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Overrides
OnLoad(Size)
Declaration
protected override void OnLoad(Size desiredSize)Parameters
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System.
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Overrides
OnMouseClick(MouseEventArgs)
Declaration
protected override void OnMouseClick(MouseEventArgs e)Parameters
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System.
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OnMouseDown(MouseEventArgs)
Declaration
protected override void OnMouseDown(MouseEventArgs e)Parameters
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System.
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Overrides
OnMouseMove(MouseEventArgs)
Declaration
protected override void OnMouseMove(MouseEventArgs e)Parameters
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System.
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Overrides
OnMouseWheel(Control, Int32)
Declaration
public override bool OnMouseWheel(Control target, int delta)Parameters
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System.
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System.
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Returns
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System.
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Overrides
OnScreenTipNeeded(Object, ScreenTipNeededEventArgs)
Declaration
protected override void OnScreenTipNeeded(object sender, ScreenTipNeededEventArgs e)Parameters
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System.
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Screen
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Overrides
OnToolTipTextNeeded(Object, ToolTipTextNeededEventArgs)
Declaration
protected override void OnToolTipTextNeeded(object sender, ToolTipTextNeededEventArgs e)Parameters
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System.
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Tool
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Overrides
PerformItemClick(RadMenuItemBase)
Declaration
protected void PerformItemClick(RadMenuItemBase menuItem)Parameters
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Rad
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PerformMenuItemClick(RadMenuItemBase)
Declaration
protected virtual void PerformMenuItemClick(RadMenuItemBase menuItem)Parameters
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Rad
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ProcessDialogChar(Char)
Declaration
protected override bool ProcessDialogChar(char charCode)Parameters
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System.
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Returns
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System.
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ProcessLeftRightNavigationKey(Boolean)
ProcessMnemonic(Keys)
Declaration
protected virtual bool ProcessMnemonic(Keys keyData)Parameters
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System.
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Returns
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System.
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ProcessUpDownNavigationKey(Boolean)
SetVisibleCore(Boolean)
Declaration
protected override void SetVisibleCore(bool value)Parameters
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System.
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Show()
Displays the RadDropDownMenu in its default position.
Declaration
public void Show()Show(Point)
Displays the RadDropDownMenu relative to the specified screen location.
Declaration
public void Show(Point point)Parameters
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System. The horizontal and vertical location of the screen's upper-left corner, in pixels. |
Show(Point, RadDirection)
Positions the ToolStripDropDown relative to the specified screen location and with the specified direction.
Declaration
public void Show(Point point, RadDirection popupDirection)Parameters
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System. The horizontal and vertical location of the screen's upper-left corner, in pixels. |
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Rad One of the RadDirection values. |
Show(Int32, Int32)
Displays the RadDropDownMenu relative to the specified screen location.
Declaration
public void Show(int x, int y)Parameters
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System. The horizontal screen coordinate, in pixels. |
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System. The vertical screen coordinate, in pixels. |
Show(Control, Point)
Positions the RadDropDownMenu relative to the specified control location.
Declaration
public void Show(Control control, Point point)Parameters
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System. The control that is the reference point for the RadDropDownMenu position. |
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System. The horizontal and vertical location of the reference control's upper-left corner, in pixels. |
Show(Control, Point, RadDirection)
Positions the RadDropDownMenu relative to the specified control location and with the specified direction.
Declaration
public void Show(Control control, Point point, RadDirection popupDirection)Parameters
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System. The control that is the reference point for the RadDropDownMenu position. |
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System. The horizontal and vertical location of the reference control's upper-left corner, in pixels. |
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Rad One of the RadDirection values. |
Show(Control, Int32, Int32)
Positions the RadDropDownMenu relative to the specified control location.
Declaration
public void Show(Control control, int x, int y)Parameters
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System. The control that is the reference point for the RadDropDownMenu position. |
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System. The horizontal coordinate relative to the control, in pixels. |
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System. The vertical coordinate relative to the control, in pixels. |
Show(RadItem, Point)
Positions the RadDropDownMenu relative to the specified RadItem location.
Declaration
public void Show(RadItem item, Point point)Parameters
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Rad The RadItem that is the reference point for the RadDropDownMenu position. |
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System. The horizontal and vertical location of the RadItem's upper-left corner, in pixels. |
Show(RadItem, Point, RadDirection)
Positions the RadDropDownMenu relative to the specified RadItem location and with the specified direction.
Declaration
public void Show(RadItem item, Point point, RadDirection popupDirection)Parameters
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Rad The RadItem that is the reference point for the RadDropDownMenu position. |
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System. The horizontal and vertical location of the RadItem's upper-left corner, in pixels. |
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Rad One of the RadDirection values. |
Show(RadItem, Int32, Int32)
Positions the RadDropDownMenu relative to the specified RadItem location.
Declaration
public void Show(RadItem item, int x, int y)Parameters
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Rad The RadItem that is the reference point for the RadDropDownMenu position. |
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System. The horizontal coordinate relative to the control, in pixels. |
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System. The vertical coordinate relative to the control, in pixels. |
Show(RadItem, Int32, RadDirection)
Positions the RadDropDownMenu relative to the specified RadItem location and with specified direction and offset according to the owner.
Declaration
public void Show(RadItem item, int ownerOffset, RadDirection popupDirection)Parameters
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Rad The RadItem that is the reference point for the RadDropDownMenu position. |
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System. Specifies the offset from the owner in pixels. |
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Rad One of the RadDirection values. |
ShowCore(Point, Int32, RadDirection)
Declaration
protected virtual void ShowCore(Point point, int ownerOffset, RadDirection popupDirection)Parameters
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System.
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System.
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Rad
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