public static void RtbWrite_Limit(RichTextBox rtb, string str)
{
int line, tmpStart, tmpEnd;
if (rtb == null)
{
return;
}
if (rtb.InvokeRequired)
{
RtbWriteCB handle = new RtbWriteCB(RtbWrite_Limit);
rtb.Invoke(handle, rtb, str);
}
else
{
line = rtb.Lines.Length;
if (line > 0x400)
{
tmpStart = rtb.GetFirstCharIndexFromLine(0); // 第一行第一個字符的索引
tmpEnd = rtb.GetFirstCharIndexFromLine(0x200); //第n/2行第一個字符的索引
rtb.Text = rtb.Text.Remove(tmpStart, tmpEnd);
}
rtb.AppendText(str);
}
}
public static void RtbWrite(RichTextBox rtb, String format, params object[] args)
{
if (rtb == null)
{
return;
}
if (rtb.InvokeRequired)
{
RtbWriteCB handle = new RtbWriteCB(RtbWrite);
rtb.Invoke(handle, rtb, String.Format(format, args));
}
else
{
rtb.AppendText(String.Format(format, args));
}
}
public static void RtbWrite(RichTextBox rtb, string str)
{
if (rtb == null)
{
return;
}
if (rtb.InvokeRequired)
{
RtbWriteCB handle = new RtbWriteCB(RtbWrite);
rtb.Invoke(handle, rtb, str);
}
else
{
rtb.AppendText(str);
}
}
