本文实例讲述了C#简单实现子窗体向父窗体传值的方法。分享给大家供大家参考。具体如下:
击Form1的button1 打开Form2
再点击Form2的button2
在button2_Click事件中 通过this.Owner将Form2的textBox2的值设置给Form1的textBox1
并关闭Form2
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public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void button1_Click( object sender, EventArgs e)
{
Form2 frm2 = new Form2();
frm2.Show( this ); //或 frm2.ShowDialog(this);
////或者
//Form2 frm2 = new Form2();
//frm2.Owner = this;
//frm2.Show();//或 frm2.ShowDialog();
}
}
public partial class Form2 : Form
{
public Form2()
{
InitializeComponent();
}
private void button2_Click( object sender, EventArgs e)
{
Form1 frm1 = (Form1) this .Owner;
//注意 如果textBox1是放在panel1中的 则先找panel1 再找textBox1
((TextBox)frm1.Controls[ "textBox1" ]).Text = this .textBox2.Text;
this .Close();
}
}
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点击Form1的button1 打开Form2
再点击Form2的button2
在button2_Click事件中 通过this.Owner及调用父窗体Form1的公开属性或方法
将Form2的textBox2的值设置给Form1的textBox1
并关闭Form2
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public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
public string TextBox1Text
{
set { this .textBox1.Text = value; }
get { return this .textBox1.Text; }
}
private void button1_Click( object sender, EventArgs e)
{
Form2 frm2 = new Form2();
frm2.Show( this ); //或 frm2.ShowDialog(this);
////或者
//Form2 frm2 = new Form2();
//frm2.Owner = this;
//frm2.Show();//或 frm2.ShowDialog();
}
}
public partial class Form2 : Form
{
public Form2()
{
InitializeComponent();
}
private void button2_Click( object sender, EventArgs e)
{
Form1 frm1 = (Form1) this .Owner;
frm1.TextBox1Text = this .textBox2.Text;
this .Close();
}
}
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希望本文所述对大家的C#程序设计有所帮助。