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Dim left0 As Integer
Private Sub Form1_Resize(sender As Object, e As System.EventArgs) Handles Me.Resize
'判断是否向左拖动
If Left < left0 Then '向左
Button1.Anchor = AnchorStyles.Top Or AnchorStyles.Right Or AnchorStyles.Left
Else '其他情况正常
Button1.Anchor = AnchorStyles.Top Or AnchorStyles.Left
End If
End Sub
'记录开始拖动前左侧位置
Private Sub Form1_ResizeBegin(sender As Object, e As System.EventArgs) Handles Me.ResizeBegin
left0 = Left
End Sub