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TaskPaneToolResize イベント

SelectedTaskPaneToolControl が UltraToolbarsManager によってサイズ変更されるときに発生します。
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'宣言
 
Public Event TaskPaneToolResize As TaskPaneToolResizeEventHandler
public event TaskPaneToolResizeEventHandler TaskPaneToolResize
イベント データ

イベント ハンドラが、このイベントに関連するデータを含む、TaskPaneToolResizeEventArgs 型の引数を受け取りました。次の TaskPaneToolResizeEventArgs プロパティには、このイベントの固有の情報が記載されます。

プロパティ解説
ContentAreaSize 内容領域のサイズ(コントロールに対して使用可能なサイズ)を返します。
Control サイズ変更されるコントロールを返します。
NewControlSize コントロールの新しいサイズを取得または設定します。
Tool Infragistics.Win.UltraWinToolbars.ToolEventArgsから継承されます。ツール
使用例
Imports Infragistics.Shared
Imports Infragistics.Win
Imports Infragistics.Win.UltraWinToolbars

	Private Sub UltraButton4_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles UltraButton4.Click
		' create a new task pane toolbar and add it to
		' the toolbars collection of the manager
		Dim taskPane As New UltraTaskPaneToolbar("TaskPaneDemo2")
		taskPane.Text = "UltraExplorerBar"

		Me.UltraToolbarsManager1.Toolbars.Add(taskPane)

		' create new task pane tools that will represents items
		' in the task pane toolbar menu
		Dim explorerTool As New TaskPaneTool("explorer")

		' initialize their captions
		explorerTool.SharedProps.Caption = "ExplorerBar"

		' associate a control that will be displayed when the tool 
		' is selected
		explorerTool.Control = Me.ultraExplorerBar1

		' create the root level tools
		Me.UltraToolbarsManager1.Tools.Add(explorerTool)

		' add the tools to the task pane toolbar
		taskPane.Tools.AddTool("explorer")

		' dock the toolbar to the left
		taskPane.DockedPosition = DockedPosition.Left

		' by default have the controls resize to fill the available 
		' content area of the task pane
		taskPane.ToolResizeMode = TaskPaneToolResizeMode.AutoSizeBothDimensions

		' however, for the explorerbar, we want to just
		' initialize the non scrolling extent - i.e.
		' when scrolling vertically, the width of the
		' control will be adjusted but not the height
		explorerTool.ResizeMode = TaskPaneToolResizeMode.AutoSizeNonScrollingDimension

		' when the task pane toolbar does not have enough room
		' to display the full height of the control, scroll 
		' buttons are displayed. the appearance can be controlled
		' with properties on the UltraTaskPaneToolbar
		taskPane.ScrollButtonAppearance.ForeColor = Color.Black
	End Sub

	Private Sub UltraToolbarsManager1_TaskPaneToolResize(ByVal sender As Object, ByVal e As Infragistics.Win.UltraWinToolbars.TaskPaneToolResizeEventArgs) Handles UltraToolbarsManager1.TaskPaneToolResize
		' The TaskPaneToolResize event is invoked whenever the 
		' size of the control associated with the SelectedTaskPaneTool
		' is to be adjusted. This occurs when the tool is selected
		' as well as when the task pane toolbar is resized.
		' take the recommended size as the default size
		If TypeOf e.Control Is Infragistics.Win.UltraWinExplorerBar.UltraExplorerBar Then
			Dim newSize As Size = e.NewControlSize

			' initialize the width so we can ask the explorer bar
			' for the height. note, this will only work properly
			' if the scrollbars property of the control is set
			' to never
			e.Control.Width = newSize.Width

			' use the larger of the available height and
			' the height needed by the explorer bar to show
			' its contents
			newSize.Height = Math.Max(e.ContentAreaSize.Height, CType(e.Control, Infragistics.Win.UltraWinExplorerBar.UltraExplorerBar).GetLogicalControlHeight())

			e.NewControlSize = newSize
		End If
	End Sub
using Infragistics.Shared;
using Infragistics.Win;
using Infragistics.Win.UltraWinToolbars;

		private void ultraButton4_Click(object sender, System.EventArgs e)
		{
			// create a new task pane toolbar and add it to
			// the toolbars collection of the manager
			UltraTaskPaneToolbar taskPane = new UltraTaskPaneToolbar("TaskPaneDemo2");
			taskPane.Text = "UltraExplorerBar";

			this.ultraToolbarsManager1.Toolbars.Add(taskPane);

			// create new task pane tools that will represents items
			// in the task pane toolbar menu
			TaskPaneTool explorerTool = new TaskPaneTool("explorer");

			// initialize their captions
			explorerTool.SharedProps.Caption = "ExplorerBar";

			// associate a control that will be displayed when the tool 
			// is selected
			explorerTool.Control = this.ultraExplorerBar1;

			// create the root level tools
			this.ultraToolbarsManager1.Tools.Add( explorerTool );

			// add the tools to the task pane toolbar
			taskPane.Tools.AddTool("explorer");

			// dock the toolbar to the left
			taskPane.DockedPosition = DockedPosition.Left;

			// by default have the controls resize to fill the available 
			// content area of the task pane
			taskPane.ToolResizeMode = TaskPaneToolResizeMode.AutoSizeBothDimensions;

			// however, for the explorerbar, we want to just
			// initialize the non scrolling extent - i.e.
			// when scrolling vertically, the width of the
			// control will be adjusted but not the height
			explorerTool.ResizeMode = TaskPaneToolResizeMode.AutoSizeNonScrollingDimension;

			// when the task pane toolbar does not have enough room
			// to display the full height of the control, scroll 
			// buttons are displayed. the appearance can be controlled
			// with properties on the UltraTaskPaneToolbar
			taskPane.ScrollButtonAppearance.ForeColor = Color.Black;
		}

		private void ultraToolbarsManager1_TaskPaneToolResize(object sender, Infragistics.Win.UltraWinToolbars.TaskPaneToolResizeEventArgs e)
		{
			// The TaskPaneToolResize event is invoked whenever the 
			// size of the control associated with the SelectedTaskPaneTool
			// is to be adjusted. This occurs when the tool is selected
			// as well as when the task pane toolbar is resized.

			// take the recommended size as the default size
			if (e.Control is Infragistics.Win.UltraWinExplorerBar.UltraExplorerBar)
			{
				Size newSize = e.NewControlSize;

				// initialize the width so we can ask the explorer bar
				// for the height. note, this will only work properly
				// if the scrollbars property of the control is set
				// to never
				e.Control.Width = newSize.Width;

				// use the larger of the available height and
				// the height needed by the explorer bar to show
				// its contents
				newSize.Height = Math.Max(e.ContentAreaSize.Height, ((Infragistics.Win.UltraWinExplorerBar.UltraExplorerBar)e.Control).GetLogicalControlHeight());

				e.NewControlSize = newSize;
			}
		}
参照