与性质两种形式之间传递数据 [英] Passing data between two forms with properties
问题描述
我在C#2的Windows窗体之间传递数据。 Form1中的主要形式,其文本框将收到form2_textbox和放大器传递给它的文本;在其文本框(form1_textbox)显示。
首先,打开Form1中,用一个空的文本框和一个按钮,在点击form1_button,Form2的打开。在窗体2,我进入了form2_textbox和放大器的文本;然后单击该按钮(form2_button)。在点击这个按钮的事件,它将发送文本到Form1的文本框和放大器; Form1上会聚焦其从窗口2收到一个文本空form1_textbox。
我使用的属性来实现这个任务。 FORM2.CS
公共部分类窗体2:表
{
//形式申报事件2
公共事件的EventHandler SomeTextInSomeFormChanged;
公共窗体2()
{
的InitializeComponent();
}
公共字符串get_text_for_Form1
{
{返回form2_textBox1.Text; }
}
// Form2上的按钮点击事件,从窗口2文本将被发送到Form 1:
公共无效的button1_Click(对象发件人,EventArgs E)
{
Form1的F1 =新Form1的();
f1.set_text_in_Form1 = get_text_for_Form1;
//如果用户存在
如果(SomeTextInSomeFormChanged!= NULL)
{
SomeTextInSomeFormChanged(本,NULL);
}
}
}
Form1.cs的
公共部分Form1类:表格
{
公共Form1中()
{
的InitializeComponent();
}
公共字符串set_text_in_Form1
{
集合{form1_textBox1.Text =价值; }
}
私人无效form1_button1_Click(对象发件人,EventArgs五)
{
窗体2 F2 =新Form2的();
f2.Show();
f2.SomeTextInSomeFormChanged + =新的EventHandler(f2_SomeTextInSomeFormChanged);
}
//在形式上1 subcribe给事件
Form2的窗体2 =新Form2的();
公共无效f2_SomeTextInSomeFormChanged(对象发件人,EventArgs五)
{
this.Focus();
}
}
在窗口2,您需要创建活动,订阅它在Form1。 。这就是所有
//声明在形式上2
公共事件的EventHandler SomeTextInSomeFormChanged事件;
//调用text_changed事件
如果(SomeTextInSomeFormChanged!= NULL)
SomeTextInSomeFormChanged(这一点,空)Form2的事件;
//在形式上1 subcribe给事件
VAR窗口2 =新Form2的();
form2.SomeTextInSomeFormChanged + = SomeHandlerInForm1WhereYouCanSetForcusInForm1
更新:
窗体2:
公共窗体2()
{
的InitializeComponent();
}
公共无效的button1_Click(对象发件人,EventArgs五)
{
//如果用户存在
如果(SomeTextInSomeFormChanged!= NULL)
{
SomeTextInSomeFormChanged(form2_textBox1,NULL);
}
}
Form1中:
公共部分Form1类:表格{
公共Form1的(){在InitializeComponent(); }
私人无效form1_button1_Click(对象发件人,EventArgs五)
{
窗体2 F2 =新Form2的();
f2.Show();
f2.SomeTextInSomeFormChanged + =新的EventHandler(f2_SomeTextInSomeFormChanged);
}
公共无效f2_SomeTextInSomeFormChanged(对象发件人,EventArgs五)
{
VAR textBoxFromForm2 =(文本框)发送;
form1_textBox1.Text = textBoxFromForm2.Text
this.Focus();
}
}
I am passing data between 2 windows forms in C#. Form1 is the main form, whose textbox will receive the text passed to it from form2_textbox & display it in its textbox (form1_textbox).
First, form1 opens, with an empty textbox and a button, on clicking on the form1_button, form2 opens. In Form2, I entered a text in form2_textbox & then clicked the button (form2_button).ON click event of this button, it will send the text to form1's textbox & form1 will come in focus with its empty form1_textbox with a text received from form2.
I am using properties to implement this task. FORM2.CS
public partial class Form2 : Form { //declare event in form 2 public event EventHandler SomeTextInSomeFormChanged;
public Form2()
{
InitializeComponent();
}
public string get_text_for_Form1
{
get { return form2_textBox1.Text; }
}
//On the button click event of form2, the text from form2 will be send to form1:
public void button1_Click(object sender, EventArgs e)
{
Form1 f1 = new Form1();
f1.set_text_in_Form1 = get_text_for_Form1;
//if subscribers exists
if(SomeTextInSomeFormChanged != null)
{
SomeTextInSomeFormChanged(this, null);
}
}
}
FORM1.CS
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
public string set_text_in_Form1
{
set { form1_textBox1.Text = value; }
}
private void form1_button1_Click(object sender, EventArgs e)
{
Form2 f2 = new Form2();
f2.Show();
f2.SomeTextInSomeFormChanged +=new EventHandler(f2_SomeTextInSomeFormChanged);
}
//in form 1 subcribe to event
Form2 form2 = new Form2();
public void f2_SomeTextInSomeFormChanged(object sender, EventArgs e)
{
this.Focus();
}
}
In form2 you need to create event and subscribe to it in form1. Thats all.
//declare event in form 2
public event EventHandler SomeTextInSomeFormChanged;
// call event in form2 text_changed event
if(SomeTextInSomeFormChanged != null)
SomeTextInSomeFormChanged(this, null);
//in form 1 subcribe to event
var form2 = new Form2();
form2.SomeTextInSomeFormChanged += SomeHandlerInForm1WhereYouCanSetForcusInForm1
Update:
Form2:
public Form2()
{
InitializeComponent();
}
public void button1_Click(object sender, EventArgs e)
{
//if subscribers exists
if(SomeTextInSomeFormChanged != null)
{
SomeTextInSomeFormChanged(form2_textBox1, null);
}
}
Form1:
public partial class Form1 : Form {
public Form1() { InitializeComponent(); }
private void form1_button1_Click(object sender, EventArgs e)
{
Form2 f2 = new Form2();
f2.Show();
f2.SomeTextInSomeFormChanged +=new EventHandler(f2_SomeTextInSomeFormChanged);
}
public void f2_SomeTextInSomeFormChanged(object sender, EventArgs e)
{
var textBoxFromForm2 = (TextBox)sender;
form1_textBox1.Text = textBoxFromForm2.Text
this.Focus();
}
}
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