C#实现winform用子窗体刷新父窗体及子窗体改变父窗体控件值的方法
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2020-09-03
12:47:30
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C#实现实现winform用子窗体刷新父窗体及子窗体改变父窗体控件用子窗体刷新父窗体及子窗体改变父窗体控件
值的方法值的方法
主要介绍了C#实现winform用子窗体刷新父窗体及子窗体改变父窗体控件值的方法,涉及C#窗体交互的相关技巧,
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本文实例讲述了C#实现winform用子窗体刷新父窗体及子窗体改变父窗体控件值的方法。分享给大家供大家参考。具体如下：
第一种方法:
用委托,Form2和Form3是同一组
Form2
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
namespace TestMouseMove
{
public delegate void SetVisiableHandler();
public partial class Form2 : Form
{
public Form2()
{
InitializeComponent();
}
private void button1_Click(object sender, EventArgs e)
{
Form3 frm = new Form3(new SetVisiableHandler(SetVisiable));
frm.Show();
}
private void SetVisiable()
{
SetVisiable(this.label1, !this.label1.Visible);
}
private void SetVisiable(Control control, bool visiable)
{
if (this.Controls.Contains(control))
{
control.Visible = visiable;
}
}
}
}
Form3
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
namespace TestMouseMove
{
public partial class Form3 : Form
{
private SetVisiableHandler m_setVisible;
public Form3(SetVisiableHandler setvisible)
{
InitializeComponent();
this.m_setVisible = setvisible;
}
private void btnVisible_Click(object sender, EventArgs e)
{
if (this.m_setVisible != null)
{
this.m_setVisible();
}
}
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