C#窗口间传值一例(子窗口向父窗口传值)

父窗口:

using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Text;

using System.Windows.Forms;

namespace mail

...{

public partial class Form1: Form

...{

private string searchUrl = null;

public Form1()

...{

InitializeComponent();

}

public string SearchUrl

...{

get

...{

return searchUrl;

}

set

...{

searchUrl = value;

}

}

private void Form1_Load(object sender, EventArgs e)

...{

Form2 form2 = new Form2();

form2.Owner = this;

form2.ShowDialog();

}

}

}

子窗口:

using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Text;

using System.Windows.Forms;

namespace mail

...{

public partial class Form2: Form

...{

public Form2()

...{

InitializeComponent();

}

private void setParent()

...{

Form1 f = (Form1)this.Owner;

f.SearchUrl = "www.baidu.com";

}

}

}