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Select Case e.Sender.Name
Case "Label1","Label2","Label3","Label4"
Dim Pnl As WinForm.Panel = e.Form.Controls("Panel" & e.sender.name.Replace("Label", "")) '合成 panel1、panel2、panel3或者panel4 这个字符
Pnl.Top = e.Sender.Top + e.Sender.Height + 3 '设置panel的纵坐标，等于label控件的纵坐标加上label控件的高度加3
Pnl.Visible = Not Pnl.Visible '如果panel之前显示，就隐藏，如果隐藏，就显示
e.sender.BaseControl.Image = IIf(Pnl.Visible, GetImage("control-270.png"),GetImage("control.png")) '设置图标
e.sender.BackColor = IIf(Pnl.Visible, Drawing.SystemColors.ControlDark, Drawing.SystemColors.Control) '设置背景颜色
Dim Lbl As WinForm.Label = e.Form.Controls("Label1")
For i As Integer = 2 To 4
Pnl = e.Form.Controls("Panel" & i - 1) '获取对应的panel控件
e.Form.Controls("Label" & i).Top = IIF(Pnl.Visible,Pnl.Top + Pnl.Height + 3,Lbl.Top + Lbl.Height + 3) '设置panel的纵坐标
Lbl = e.Form.Controls("Label" & i)
e.Form.Controls("Panel" & i).Top = Lbl.Top + Lbl.Height + 3 '根据对应label的纵坐标和高度设置panel控件的纵坐标
Next
End Select
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Post By：2016/12/4 13:36:00 [只看该作者]
