public partial class Form2 : Form
{
private Form1 form1; public Form2()
{
InitializeComponent();
}
public Form2(Form1 form)
{
form1 = form;
InitializeComponent();
} private void ShowForm1Text_Click(object sender, EventArgs e)
{
MessageBox.Show(form1.MailRecvTxt.Text.Trim());
}
为什么:MessageBox.Show(form1.MailRecvTxt.Text.Trim());
句总是报:"未将对象引用设置到对象的实例"异常呢?
{
private Form1 form1; public Form2()
{
InitializeComponent();
}
public Form2(Form1 form)
{
form1 = form;
InitializeComponent();
} private void ShowForm1Text_Click(object sender, EventArgs e)
{
MessageBox.Show(form1.MailRecvTxt.Text.Trim());
}
为什么:MessageBox.Show(form1.MailRecvTxt.Text.Trim());
句总是报:"未将对象引用设置到对象的实例"异常呢?
解决方案 »
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