FormClosing事件问题 [英] FormClosing event question

问题描述

大家好，我在复制表单时有一些代码.在此表单中是一个btnOK，它先生成内容，然后关闭表单.用户按下btnOK时如何关闭以下代码(如果使用)

Hello everybody i have some code when form is cloasing. In this form is a btnOK which is make something and then closing form. how to switch off following code when user press the btnOK (in if)

private void Sell_FormClosing(object sender, FormClosingEventArgs e)
{

    if (dgvProducts.Rows != null )
    {
        if (MessageBox.Show("do u really want to close?", "attention", MessageBoxButtons.YesNo, MessageBoxIcon.Warning) == DialogResult.Yes)
        {
            e.Cancel = false;
        }
        else
        {
            e.Cancel = true;
        }
    }

}

推荐答案

private void Sell_FormClosing(object sender, FormClosingEventArgs e)
{
    if (this.DialogResult == false)
    {
        if (dgvProducts.Rows != null )
        {
            e.Cancel = (MessageBox.Show("do u really want to close?", "attention", MessageBoxButtons.YesNo, MessageBoxIcon.Warning) == DialogResult.Yes);
        }
    }
}

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