工具栏和mdi子表单 [英] Toolbar and mdi child forms

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本文介绍了工具栏和mdi子表单的处理方法,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

我有一个MDI Parent表单,其工具栏上有一个Next和Previous按钮




我打开一个MDI Child表单,有两个例程,叫做nextrec和

prevrec。


当我点击父窗口的Next或Previous按钮时,我想要

相应的例程(nextrec / prevrec)在子表单上触发。


如何在VB.NET 2003中完成这个?


TIA。


Jamie。

I have a MDI Parent form with a toolbar that has a Next and Previous button
on it.

I open up a MDI Child form, that has two routines, called nextrec and
prevrec.

When I hit the Next or Previous button on the parent window, I want the
corresponding routine (nextrec/prevrec) on the child form to fire.

How is this done in VB.NET 2003 ???

TIA.

Jamie.

推荐答案

这假设nextrec和prevrec是公共方法


private void next_Click(object sender,EventArgs e)//Next的处理程序butto


((MyChildForm)ActiveMdiChild).nextrec()

private void prev_Click(对象发送者,EventArgs e)//处理程序Previous butto


((MyChildForm)ActiveMdiChild).prevrec()

This assumes that nextrec and prevrec are public methods

private void next_Click(object sender, EventArgs e) // handler for "Next" butto

((MyChildForm)ActiveMdiChild).nextrec()
private void prev_Click(object sender, EventArgs e) // handler for "Previous butto

((MyChildForm)ActiveMdiChild).prevrec()


这假设nextrec和prevrec是公共方法


private void next_Click(object sender,EventArgs e)//Next的处理程序butto


((MyChildForm)ActiveMdiChild).nextrec()

private void prev_Click(对象发送者,EventArgs e)//处理程序Previous butto


((MyChildForm)ActiveMdiChild).prevrec()

This assumes that nextrec and prevrec are public methods

private void next_Click(object sender, EventArgs e) // handler for "Next" butto

((MyChildForm)ActiveMdiChild).nextrec()
private void prev_Click(object sender, EventArgs e) // handler for "Previous butto

((MyChildForm)ActiveMdiChild).prevrec()


不幸的是,这在VB中不起作用。


如何从ActiveMdiChild创建对类型的引用

属性???,

而不是发出Dim myChildForm As会员


由于我有很多子表单,因此将每个表单

添加到prev / next按钮点击事件是没有意义的。


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Unfortunately, this does not work in VB.

How do you create a reference to a type from the ActiveMdiChild
properties ???,
instead of issuing Dim myChildForm As members

Since I have many child forms, it does not make sense to add each form
to the prev/next button click events.

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