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private delegate void SetRichBoxCallBack();
private void addData()
{
if (this.richTextBox1.InvokeRequired)
{
SetRichBoxCallBack d = new SetRichBoxCallBack(addData);
this.Invoke(d);
}
else
{
this.richTextBox1.Text+= "aaa"; // 现假定为“aaa”
}
}