For Each c As Control In Me.Controls
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MessageBox.Show(c.ToString())
Next
一个简单的例子,遍历当前Form下所有TextBox并将Text属性设置为空
For Each ct As Control In Me.Controls
If TypeOf ct Is TextBox Then
ct.Text = ""
End If
Next
Private ctrName As String '控件名称
Private isClick As Boolean '鼠标点击状态
'注：如果已知点击目标控件的父控件，ctrParent变量可以不要。
Private WithEvents ctrParent As Control '父控件
Private Sub ControlAMouseDown(sender As Object, e As MouseEventArgs) _
Handles Button1.MouseDown
isClick = (e.Button = MouseButtons.Left _
Or e.Button = MouseButtons.Right) '左键或右键按下
If isClick Then
Dim ctr As Control = CType(sender, Control) '转换Object为控件类型
ctrName = ctr.Name '获取控件名称
ctrParent = ctr.Parent '获取控件的父控件
End If
End Sub
'增加这个父控件事件，是为了正确判别鼠标弹起时是否已进入指定目标
Private Sub ParentMouseMove(sender As Object, e As EventArgs) _
Handles ctrParent.MouseMove '如果已取消ctrParent变量，改为相应的父控件
If isClick Then isClick = False '点击状态关闭
End Sub
Private Sub ControlBMouseUp(sender As Object, e As EventArgs) _
Handles Button2.MouseEnter
If isClick Then '如果点击状态为打开
Dim ctr As Control = CType(sender, Control) '转换Object为控件类型
MsgBox(ctrName " | " ctr.Name) '弹出消息显示结果
End If
End Sub
如果你能确保你的label空间名称是以label开头，并且后面是数字的话，可以通过Sender.Name的方式来获取控件名称，再用Substring来截取后面的数字。
Private
Sub
Label1_MouseEnter(sender
As
Object,
e
As
EventArgs)
Handles
Label1.MouseEnter,
Label2.MouseEnter
'sender.name就是用来获取当前触发事件的控件的名称
Dim
n
As
Integer
n
=
Int(sender.name.ToString.Substring(5))
Call
Menter(n)
End
Sub