[VB.NET]我想判断光标是否在A控件上,在就触发一个事件,没在也触
发布时间：2020-12-16 23:48:35 所属栏目：大数据 来源：网络整理
导读：我想判断光标是否在A控件上,在就触发一个事件,没在也触发一个事件,请各位高人想个办法,在线等待 我想判断光标是否在A控件上,在线等待 __________________________________________________________________________ LostFocus和GotFocus ___________________
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我想判断光标是否在A控件上,在就触发一个事件,没在也触发一个事件,请各位高人想个办法,在线等待 我想判断光标是否在A控件上,在线等待 __________________________________________________________________________ LostFocus和GotFocus __________________________________________________________________________ private void button1_Click(object sender,EventArgs e) { Timer timer = new Timer(); timer.Interval = 200; timer.Tick += new EventHandler(timer_Tick); timer.Start(); } void timer_Tick(object sender,EventArgs e) { Control tmp = this.GetChildAtPoint(this.PointToClient(Cursor.Position)); if (tmp != null) { Console.WriteLine( "鼠标在控件{0}之上. ",tmp); } } __________________________________________________________________________ VB.NET代码： Private Sub button1_Click(ByVal sender As Object,ByVal e As EventArgs) Dim timer As New Timer timer.Interval = 200 AddHandler timer.Tick,New EventHandler(AddressOf Me.timer_Tick) timer.Start End Sub Private Sub timer_Tick(ByVal sender As Object,ByVal e As EventArgs) Dim tmp As Control = MyBase.GetChildAtPoint(MyBase.PointToClient(Cursor.Position)) If (Not tmp Is Nothing) Then Console.WriteLine( "鼠标在控件{0}之上. ",tmp) End If End Sub __________________________________________________________________________ （编辑：李大同） 【声明】本站内容均来自网络，其相关言论仅代表作者个人观点，不代表本站立场。若无意侵犯到您的权利，请及时与联系站长删除相关内容! |