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Dim P_Annex As WinForm.Panel = e.Form.Controls("P_Annex")
Dim Atta As ZyController.Attachment = P_Annex.BaseControl.Controls("Atta" & "techotests")
直接用Contols会报错,Controls不是Panel 的成员
Dim Atta As ZyController.Attachment = P_Annex.Controls("Atta" & "techotests")