本文介绍了表单的新实例的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
问题是当我每次以新的形式调用此子对象时,都会创建该子对象
但是我想如果打开frmcompanylist然后将焦点设置在它上,如果
没有打开,然后打开一个新的instencse
而且每次我想
设置frmcompanylist =无
验证码:
problem is when i call this sub its create every time a new new instencse of form
but i want if frmcompanylist is opend then set focus to it and if
not opend then open a new instencse
and also every time i want to
set frmcompanylist =nothing
exp code:
private frmcompanylist as companylistform
Public Sub Show(ByVal FormName As String)
Select Case FormName
Case
If frmcompanylist Is Nothing Then
Set frmcompanylist = New CompanyListForm
End If
frmcompanylist.Show 1
Set frmcompanylist = Nothing
end select
end sub
推荐答案
Private Shared frmcompanylist As companylistform = Nothing
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