C#窗口间传值一例(子窗口向父窗口传值)

父窗口:

usingSystem;
usingSystem.Collections.Generic;
usingSystem.ComponentModel;
usingSystem.Data;
usingSystem.Drawing;
usingSystem.Text;
usingSystem.Windows.Forms;

namespacemail
...{
publicpartialclassForm1:Form
...{


privatestringsearchUrl=null;


publicForm1()
...{
InitializeComponent();
}

publicstringSearchUrl
...{
get
...{
returnsearchUrl;
}
set
...{
searchUrl=value;
}
}

privatevoidForm1_Load(objectsender,EventArgse)
...{
Form2form2=newForm2();
form2.Owner=this;
form2.ShowDialog();
}
}
}

子窗口:

usingSystem;
usingSystem.Collections.Generic;
usingSystem.ComponentModel;
usingSystem.Data;
usingSystem.Drawing;
usingSystem.Text;
usingSystem.Windows.Forms;

namespacemail
...{
publicpartialclassForm2:Form
...{

publicForm2()
...{
InitializeComponent();
}

privatevoidsetParent()
...{
Form1f=(Form1)this.Owner;
f.SearchUrl="www.baidu.com";
}
}
}