重载均与委托不匹配?
public Form1()
{
InitializeComponent();
this.Closing += new CancelEventHandler (Form1_FormClosing);
}
void Form1_FormClosing(object sender, FormClosingEventArgs e)
{
DialogResult dr = MessageBox.Show("确定退出系统吗?", "退出", MessageBoxButtons.OKCancel, MessageBoxIcon.Warning,MessageBoxDefaultButton.Button2);
if (dr == DialogResult.OK)
{
//
//在这里请处理相关事务,比如保存等
//
//this.Dispose();
Application.Exit();
}
else
{
e.Cancel = true;
}
}
求高手帮我看一下,总是出现错误 “Form1_FormClosing”的重载均与委托“System.ComponentModel.CancelEventHandler”不匹配