BeforeSplitterDrag イベント

分割バーのドラッグが開始される前に発生します。

シンタックス

Visual Basic

'宣言
 
Public Event BeforeSplitterDrag As CancelablePanesEventHandler

C#

public event CancelablePanesEventHandler BeforeSplitterDrag

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、CancelablePanesEventArgs 型の引数を受け取りました。次の CancelablePanesEventArgs 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
Cancel System.ComponentModel.CancelEventArgsから継承されます。
Panes	イベントに関連付けられたDockablePaneBaseインスタンスを返します。このプロパティは読み取り専用です。

使用例

Visual Basic

Imports Infragistics.Shared
Imports Infragistics.Win
Imports Infragistics.Win.UltraWinDock

Private Sub ultraDockManager1_BeforeSplitterDrag(ByVal sender As Object, ByVal e As Infragistics.Win.UltraWinDock.CancelablePanesEventArgs) Handles ultraDockManager1.BeforeSplitterDrag

    ' BeforeSplitterDrag fires before the splitter bar adjacent to a
    ' DockAreaPane, between two panes in a horizontal or vertical
    ' split group, or adjacent to a control pane in a
    ' flyout window has been allowed to start a drag. Settings 
    ' Cancel to true will prevent the splitter from being allowed
    ' to drag.

    ' Do not allow the flyout window to be resized
    If (e.Panes.Length = 1) Then
        Dim pane As DockablePaneBase = e.Panes(0)

        ' if the pane that will be resized is the flyout
        ' pane, do not allow it
        If (pane.Manager.FlyoutPane Is pane) Then
            e.Cancel = True
        End If
    End If

End Sub

C#

using Infragistics.Shared;
using Infragistics.Win;
using Infragistics.Win.UltraWinDock;
using System.Diagnostics;

private void ultraDockManager1_BeforeSplitterDrag(object sender, Infragistics.Win.UltraWinDock.CancelablePanesEventArgs e)
{

	// BeforeSplitterDrag fires before the splitter bar adjacent to a
	// DockAreaPane, between two panes in a horizontal or vertical
	// split group, or adjacent to a control pane in a
	// flyout window has been allowed to start a drag. Settings 
	// Cancel to true will prevent the splitter from being allowed
	// to drag.

	// Do not allow the flyout window to be resized
	if (e.Panes.Length == 1)
	{
		DockablePaneBase pane = e.Panes[0];

		// If the pane that will be resized is the flyout
		// pane, do not allow it
		if (pane.Manager.FlyoutPane == pane)
			e.Cancel = true;
	}

}