在窗体 load 加入
private void MailDesktop_Load(object sender, EventArgs e)
{
Control.CheckForIllegalCrossThreadCalls = false;
}
private void MailDesktop_Load(object sender, EventArgs e)
{
Control.CheckForIllegalCrossThreadCalls = false;
}
转载于:https://www.cnblogs.com/yuelong999/archive/2011/09/19/2181088.html