安全更新的Windows控件从其他线程

转自：http://dev.mjxy.cn/a-Security-Update-Windows-controls-from-another-thread.aspx

// Safe update of windows control from other threads

delegate void UpdateReportCallback(string text);
private void UpdateReport(string message)
{
   // InvokeRequired required compares the thread ID of the
   // calling thread to the thread ID of the creating thread.
   // If these threads are different, it returns true.
   if (this.textBoxReport.InvokeRequired)
   {
       UpdateReportCallback d = new UpdateReportCallback(UpdateReport);
       this.Invoke(d, new object[] { message });
   }
   else
   {
       textBoxReport.Text = message + System.Environment.NewLine + textBoxReport.Text;
   }
}