单击关闭按钮时如何编写代码以关闭窗口 [英] how to write code for closing windows when close button is clicked

问题描述

嗨 对于窗口关闭按钮，关闭表单之前要求退出的代码是什么?如果用户接受，请关闭表单，否则关闭窗口.

感谢

解决方案

你好

在FormClosing事件中

 私有 无效 MyForm_FormClosing(对象发​​送者，FormClosingEventArgs e)
{
    如果(MessageBox.Show(" ，
          " ，
              MessageBoxButtons.YesNo，
                   MessageBoxIcon.Question)！= System.Windows.Forms.DialogResult.Yes)
        e.Cancel =  true ;
} 

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hi for window close button, what is the code to ask for exit before closing the form?if user accepts,close the form,if not, stay in window.

thanks

解决方案

Hello

In FormClosing event

private void MyForm_FormClosing(object sender, FormClosingEventArgs e)
{
    if (MessageBox.Show("Are you sure to close the form?",
          "Question", 
              MessageBoxButtons.YesNo, 
                   MessageBoxIcon.Question) != System.Windows.Forms.DialogResult.Yes)
        e.Cancel = true;
}

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