Access 2007 / VBA - 表单的多个实例，更新模块中特定实例的控件

Question

我正在使用 Allen Browne 的方法来创建和管理表单的多个实例。我被困在如何从 VBA 模块引用表单特定实例的控件或属性上。以下是我如何打开一个新实例：

'Purpose:    Open an independent instance of form frmMasterRecord.
Dim frm As Form

'Housekeeping
myFilter = Trim("" & myFilter)

'Open a new instance, show it, and set a caption.
Set frm = New Form_frmMasterRecord
frm.ServerFilter = myFilter
frm.ServerFilterByForm = True
frm.Requery
frm.Visible = True

'Append it to our collection.
clnMasterRecord.Add Item:=frm, Key:=CStr(frm.hwnd)

Set frm = Nothing

假设我打开了三个 frmMasterRecord 实例。如何在模块中调用 sub/function 并让它仅在窗体的调用实例上操作控件？

Answer 1

传递对调用表单的引用：

Result = MyExternalFunction(Me)

和

Public Function MyExternalFunction(ByRef frm As Form) As Boolean

    ' Do stuff with object frm.

    MyExternalFunction = Result

End Function

Access 2007 / VBA - 表单的多个实例，更新模块中特定实例的控件

Access 2007 / VBA - Multiple Instances of Form, Update controls on specific instance from Module

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ms-access

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