PaneDragStartingEventArgs クラス

PaneDragStarting イベントのイベント引数。

シンタックス

Visual Basic

'宣言
 
Public Class PaneDragStartingEventArgs 
   Inherits Infragistics.Windows.Controls.Events.CancelableRoutedEventArgs

C#

public class PaneDragStartingEventArgs : Infragistics.Windows.Controls.Events.CancelableRoutedEventArgs 

使用例

Visual Basic

Imports Infragistics.Windows.DockManager
Imports Infragistics.Windows.DockManager.Events

Private Sub XamDockManager_PaneDragStarting(ByVal sender As Object, ByVal e As PaneDragStartingEventArgs)
    ' these two properties can be used to initialize the default 
    ' cursors used when over an invalid or valid drop location 
    ' respectively. by default the PaneDragOver is not raised 
    ' for invalid locations so for most cases this is the only 
    ' way to initialize the invalid drop cursor 
    e.InvalidDragActionCursor = Cursors.No
    e.ValidDragActionCursor = Cursors.Arrow

    ' you can have the PaneDragOver get raised for all drop 
    ' locations by setting RaisePaneDragOverForInvalidLocations 
    ' note however that this means that the docking indicators 
    ' will be shown over all panes - even those for which the 
    ' dragged panes properties do not allow it by default. 
    e.RaisePaneDragOverForInvalidLocations = True

    ' you can see the panes that will be dragged 
    ' and if necessary, you can prevent the drag 
    ' operation from starting. 
    'e.Cancel = true; 
    For Each pane As ContentPane In e.Panes
    Next
End Sub

C#

using Infragistics.Windows.DockManager;
using Infragistics.Windows.DockManager.Events;

private void XamDockManager_PaneDragStarting(object sender, PaneDragStartingEventArgs e)
{
	// these two properties can be used to initialize the default
	// cursors used when over an invalid or valid drop location
	// respectively. by default the PaneDragOver is not raised
	// for invalid locations so for most cases this is the only
	// way to initialize the invalid drop cursor
	e.InvalidDragActionCursor = Cursors.No;
	e.ValidDragActionCursor = Cursors.Arrow;

	// you can have the PaneDragOver get raised for all drop
	// locations by setting RaisePaneDragOverForInvalidLocations
	// note however that this means that the docking indicators
	// will be shown over all panes - even those for which the
	// dragged panes properties do not allow it by default.
	e.RaisePaneDragOverForInvalidLocations = true;

	// you can see the panes that will be dragged
	foreach (ContentPane pane in e.Panes)
	{
		// and if necessary, you can prevent the drag
		// operation from starting.
		//e.Cancel = true;
	}
}

XAML

<igDock:XamDockManager PaneDragStarting="XamDockManager_PaneDragStarting">
    <igDock:XamDockManager.Panes>
        <igDock:SplitPane>
            <igDock:ContentPane Header="Test Pane" AllowDockingRight="False" />
        </igDock:SplitPane>
        <igDock:SplitPane igDock:XamDockManager.InitialLocation="DockedRight">
            <igDock:ContentPane Header="Don't Allow" />
        </igDock:SplitPane>
    </igDock:XamDockManager.Panes>
</igDock:XamDockManager>