private void FrmMain_FormClosing(object sender, FormClosingEventArgs e)
{
if (this.isRun)
{
e.Cancel = true;
}
if (!e.Cancel)
{
if (MessageBox.Show("确定要退出程序吗？", "系统信息", MessageBoxButtons.OKCancel, MessageBoxIcon.Question) != DialogResult.OK)
{
e.Cancel = true;
}
}
//删除操作中生成的临时文件
op.DeleteOperateFileDirectory();
}