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在天极网上发布的各类delphi原码及技巧文档

 SWA : TMemoryStream; //建立临时交换内存镜象<br>
 CNULL : char; //空字符<br>
 begin<br>
 </p>
 <blockquote> 
 <p> SWA := NIL;<br>
 CNULL := #0;<br>
 ...<br>
 //初始化内存流<br>
 SWA := TMemoryStream.Create;<br>
 //加载要插入的文件<br>
 SWA.LoadFromFile( OpenDialog1.FileName );<br>
 //把指针移到流尾,以 #0 结尾，<br>
 SWA.Seek(0, soFromEnd);<br>
 SWA.Write( CNULL, 1);<br>
 //再移到头<br>
 SWA.Seek( 0, soFromBeginning );<br>
 //插入偏移量为 0 <br>
 Memo1.SelStart := 0;<br>
 Memo1.SetSelTextBuf(SWA.Memory);<br>
 ....<br>
 </p>
 </blockquote>
 <p> end;<br>
 <br>
 procedure TForm1.Button3Click(Sender: TObject);<br>
 Var<br>
 SWA : TMemoryStream;<br>
 CNULL : char; //空字符<br>
 begin<br>
 </p>
 <blockquote>
 <p> SWA := NIL;<br>
 CNULL := #0;<br>
 ...<br>
 //初始化内存流<br>
 SWA := TMemoryStream.Create;<br>
 //加载要追加的文件<br>
 SWA.LoadFromFile( OpenDialog1.FileName );<br>
 //把指针移到流尾,以 #0 结尾，<br>
 SWA.Seek(0, soFromEnd);<br>
 SWA.Write( CNULL, 1);<br>
 //再移到头<br>
 SWA.Seek( 0, soFromBeginning );<br>
 //把 Memo1 的指针移到 Memo1 尾部<br>
 Memo1.Lines.Add('');<br>
 Memo1.Lines.Delete( Memo1.Lines.Count -1 );<br>
 //追加<br>
 Memo1.SetSelTextBuf(SWA.Memory);<br>
 ...<br>
 </p>
 </blockquote>
 <p> end;<br>
 ....<br>
 </p>
 <p></p>
 <p align="JUSTIFY"></p>
 










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