Class

GridHeaderCellElement

Initializes a new instance of the GridHeaderCellElement class.

Declaration

public GridHeaderCellElement(GridViewColumn column, GridRowElement row)

Parameters

Declaration

public static RadProperty IsSortedAscendingProperty

Field Value

Declaration

public static RadProperty IsSortedDescendingProperty

Field Value

Gets the ArrowPrimitive indicating the SortOrder of the cell.

Declaration

public ArrowPrimitive Arrow { get; }

Property Value

Gets or sets the arrow position.

Declaration

protected GridHeaderCellElement.ArrowPositionEnum ArrowPosition { get; set; }

Property Value

Gets or sets the context RadDropDownMenu associated with the cell.

Declaration

public override RadDropDownMenu ContextMenu { get; set; }

Property Value

Overrides GridCellElement.ContextMenu

Gets the filter button for the cell.

Declaration

public RadButtonElement FilterButton { get; }

Property Value

Gets a value indicating whether the header cell is sorted ascending.

Declaration

public bool IsSortedAscending { get; }

Property Value

Gets a value indicating whether the header cell is sorted descending.

Declaration

public bool IsSortedDescending { get; }

Property Value

Gets or sets a value indicating the sort order of data in the column.

Declaration

public RadSortOrder SortOrder { get; }

Property Value

Gets the stack layout.

Declaration

protected StackLayoutElement StackLayout { get; }

Property Value

Determines whether the header cell instance supports conditional formatting.

Declaration

public override bool SupportsConditionalFormatting { get; }

Property Value

Overrides ConditionalFormattableGridVisualElement.SupportsConditionalFormatting

Gets or sets the value represented by this cell.

Declaration

public override object Value { get; set; }

Property Value

Overrides GridCellElement.Value

Arranges the arrow.

Declaration

protected void ArrangeArrow(SizeF finalSize, RadElement element)

Parameters

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

Declaration

protected override SizeF ArrangeOverride(SizeF finalSize)

Parameters

Returns

Overrides LightVisualElement.ArrangeOverride(SizeF)

Remarks

Binds the column properties.

Declaration

protected override void BindColumnProperties()

Overrides GridVirtualizedCellElement.BindColumnProperties()

Determines whether the element may be dragged.

Declaration

protected override bool CanDragCore(Point dragStartPoint)

Parameters

Returns

Overrides RadItem.CanDragCore(Point)

Determines whether this instance can hide the specified group.

Declaration

protected bool CanHideGroup(GridViewColumnGroup group)

Parameters

Returns

Creates the best fit menu items.

Declaration

protected virtual void CreateBestFitMenuItems(RadDropDownMenu contextMenu)

Parameters

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

Declaration

protected override void CreateChildElements()

Overrides RadElement.CreateChildElements()

Creates the column chooser menu items.

Declaration

protected virtual void CreateColumnChooserMenuItems(RadDropDownMenu contextMenu)

Parameters

Creates the column pinning menu items.

Declaration

protected virtual void CreateColumnPinningMenuItems(RadDropDownMenu contextMenu)

Parameters

Creates the composite filter form

Declaration

protected virtual BaseCompositeFilterDialog CreateCompositeFilterForm()

Returns

Creates the conditional formatting form.

Declaration

protected virtual ConditionalFormattingForm CreateConditionalFormattingForm()

Returns

Creates the context menu items.

Declaration

protected override void CreateContextMenuItems(RadDropDownMenu menu)

Parameters

Overrides GridCellElement.CreateContextMenuItems(RadDropDownMenu)

Creates the filter popup.

Declaration

protected virtual IGridFilterPopup CreateFilterPopup()

Returns

Detaches the header cell element.

Declaration

public override void Detach()

Overrides GridVirtualizedCellElement.Detach()

Dispose managed resources

Declaration

protected override void DisposeManagedResources()

Overrides GridVirtualizedCellElement.DisposeManagedResources()

Drops in the column groups view.

Declaration

protected virtual void DropInColumnGroupsView(ColumnGroupsViewDefinition view, GridViewColumn column, RadPosition dropPosition)

Parameters

Finds the group.

Declaration

protected virtual GridViewColumnGroup FindGroup(ColumnGroupCollection groups, GridViewColumnGroupRow row)

Parameters

Returns

Finds the row.

Declaration

protected virtual GridViewColumnGroupRow FindRow(ColumnGroupCollection groups, GridViewColumn column)

Parameters

Returns

Gets the column sort order.

Declaration

protected RadSortOrder GetColumnSortOrder()

Returns

Gets the context, associated with a drag operation.

Declaration

protected override object GetDragContextCore()

Returns

Overrides RadItem.GetDragContextCore()

Gets the image to be used as a hint when this element is being dragged.

Declaration

protected override Image GetDragHintCore()

Returns

Overrides RadItem.GetDragHintCore()

Gets the VisualStyleElement instance that describes the skin appearance for the element when the current OS is Windows Vista.

Declaration

public override VisualStyleElement GetVistaVisualStyle()

Returns

Overrides RadElement.GetVistaVisualStyle()

Gets the VisualStyleElement instance that describes the skin appearance for the element when the current OS is Windows XP.

Declaration

public override VisualStyleElement GetXPVisualStyle()

Returns

Overrides RadElement.GetXPVisualStyle()

Initializes the cell with specified column and row

Declaration

public override void Initialize(GridViewColumn column, GridRowElement row)

Parameters

Overrides GridVirtualizedCellElement.Initialize(GridViewColumn, GridRowElement)

Initializes the fields.

Declaration

protected override void InitializeFields()

Overrides GridCellElement.InitializeFields()

Performs initialization when the element is first-time painted using system skin.

Declaration

protected override void InitializeSystemSkinPaint()

Overrides RadElement.InitializeSystemSkinPaint()

Determines whether element is compatible with the specified data.

Declaration

public override bool IsCompatible(GridViewColumn data, object context)

Parameters

Returns

Overrides GridVirtualizedCellElement.IsCompatible(GridViewColumn, object)

Measures the space required by the RadElement Used by the layout system.

Declaration

protected override SizeF MeasureOverride(SizeF availableSize)

Parameters

Returns

Overrides GridCellElement.MeasureOverride(SizeF)

Remarks

Merges the context menu.

Declaration

public override RadDropDownMenu MergeMenus(IContextMenuManager contextMenuManager, params object[] parameters)

Parameters

Returns

Overrides GridCellElement.MergeMenus(IContextMenuManager, params object[])

Occurs when some column property changes its value.

Declaration

protected override void OnColumnPropertyChanged(RadPropertyChangedEventArgs e)

Parameters

Overrides GridVirtualizedCellElement.OnColumnPropertyChanged(RadPropertyChangedEventArgs)

Fires the PanGesture event.

Declaration

protected override void OnPanGesture(PanGestureEventArgs args)

Parameters

Overrides RadItem.OnPanGesture(PanGestureEventArgs)

Fires the ZoomGesture event.

Declaration

protected override void OnZoomGesture(ZoomGestureEventArgs args)

Parameters

Overrides RadItem.OnZoomGesture(ZoomGestureEventArgs)

Provides a routine to paint element's content when system skin appearance is desired.

Declaration

protected override void PaintElementSkin(IGraphics graphics)

Parameters

Overrides GridCellElement.PaintElementSkin(IGraphics)

Pins the column.

Declaration

protected virtual void PinColumn(PinnedColumnPosition position)

Parameters

Core logic when a drag-drop is performed over this element. Allows inheritors to provide their own implementations.

Declaration

protected override void ProcessDragDrop(Point dropLocation, ISupportDrag dragObject)

Parameters

Overrides RadItem.ProcessDragDrop(Point, ISupportDrag)

Determines whether the element may be treated as a drop target during drag-and-drop operation.

Declaration

protected override bool ProcessDragOver(Point currentMouseLocation, ISupportDrag dragObject)

Parameters

Returns

Overrides RadItem.ProcessDragOver(Point, ISupportDrag)

Sets the arrow position.

Declaration

protected GridHeaderCellElement.ArrowPositionEnum SetArrowPosition()

Returns

Sets the value of the cell.

Declaration

public override void SetContent()

Overrides GridCellElement.SetContent()

Returns whether the child element should be painted.

Declaration

protected override bool ShouldPaintChild(RadElement element)

Parameters

Returns

Overrides RadElement.ShouldPaintChild(RadElement)

Shows the context menu.

Declaration

protected override void ShowContextMenu()

Overrides GridCellElement.ShowContextMenu()

Toggles the column sort order.

Declaration

protected void ToggleColumnSortOrder()

Unbinds the column properties.

Declaration

protected override void UnbindColumnProperties()

Overrides GridVirtualizedCellElement.UnbindColumnProperties()

Updates the state of the arrow.

Declaration

public void UpdateArrowState()

Updates the buttons layout visibility.

Declaration

protected virtual void UpdateButtonsLayoutVisibility()

Updates the filter button visibility.

Declaration

protected virtual void UpdateFilterButtonVisibility()

Updates the visual state of the cell.

Declaration

protected override void UpdateInfoCore()

Overrides GridVirtualizedCellElement.UpdateInfoCore()

Handles the FilterConfirmed event of the filterPopup control.

Declaration

protected virtual void filterPopup_FilterConfirmed(object sender, EventArgs e)

Parameters