表事件代码删除:
Dim r As Row = Tables("表A").Current
If r Is Nothing Then
Return
End If
Dim tab As WinForm.TabControl = Forms("窗口1").Controls("TabControl1")
Select Case r("分类")
Case 1
tab.SelectedIndex = 0
Case 2
tab.SelectedIndex = 1
Case 3
tab.SelectedIndex = 2
Case 4
tab.SelectedIndex = 3
End Select
e.Form.DropDownBox.Select() '将输入焦点返回下拉列表框
在窗口的DropDownOpened事件执行