踩坑日志：C# Form.ShowDialog显示模式窗体立即关闭了

frmFlowFileExplorer form = new frmFlowFileExplorer();
if (form.ShowDialog() == DialogResult.OK)  //显示模式窗体
{
}

frmFlowFileExplorer form = new frmFlowFileExplorer();
form.ShowInTaskbar = true;
if (form.ShowDialog() == DialogResult.OK)  //显示模式窗体
{
}