ItemDragOverEventHandler デリゲート

UltraExplorerBar.ItemDragOver イベントを処理するためのデリゲート。

シンタックス

Visual Basic

'宣言
 
Public Delegate Sub ItemDragOverEventHandler( _
   ByVal sender As Object, _
   ByVal e As ItemDragOverEventArgs _
) 

C#

public delegate void ItemDragOverEventHandler( 
   object sender,
   ItemDragOverEventArgs e
)

パラメータ

sender

e

使用例

Visual Basic

Imports System.Diagnostics
Imports Infragistics.Win
Imports Infragistics.Win.UltraWinExplorerBar

	Private Sub ultraExplorerBar1_ItemDragOver(ByVal sender As Object, ByVal e As Infragistics.Win.UltraWinExplorerBar.ItemDragOverEventArgs) Handles ultraExplorerBar1.ItemDragOver

		Debug.WriteLine(String.Format("The item '{0}' is being dragged to group '{1}'", e.Item.Text, e.TargetGroup))
		Debug.WriteLine(String.Format("The group is currently over point: ", New Point(e.X, e.Y).ToString()))


		' Don't allow the Item to be dropped if the target group has a key of "System" and
		' the Item is being moved
		If (e.TargetGroup.Key = "System" AndAlso e.DragAction = ItemDragAction.Move) Then
			e.AllowDrop = False
			e.DragCursor = Cursors.No
		End If

	End Sub

C#

using System.Diagnostics;
using Infragistics.Win;
using Infragistics.Win.UltraWinExplorerBar;

		private void ultraExplorerBar1_ItemDragOver(object sender, Infragistics.Win.UltraWinExplorerBar.ItemDragOverEventArgs e)
		{
			Debug.WriteLine(string.Format("The item '{0}' is being dragged to group '{1}'", e.Item.Text, e.TargetGroup));
			Debug.WriteLine(string.Format("The group is currently over point: ", new Point(e.X, e.Y).ToString()));


			// Don't allow the Item to be dropped if the target group has a key of "System" and
			// the Item is being moved
			if (e.TargetGroup.Key == "System"  &&  e.DragAction == ItemDragAction.Move)
			{
				e.AllowDrop		= false;
				e.DragCursor	= Cursors.No;
			}
		}