mdi 窗体间数值传递
f2和f3都是f1 下的MDI子窗体,如果想在f3中调用f2的变量值该怎么做,为什么用如下的方式只能得到一个空值。
t2 t3分别是f2,f3下的text控件
b2是f2下的按钮
f2下
Public Class f2
Public b As String
Private Sub b2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles b2.Click
b = t2.Text
dim mf3 as new f3
mf3.MdiParent = f1
mf3.Show()
End Sub
End Class
f3 下
Private Sub f3_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
t3.Text = f2.b
End Sub