nmudp控件的使用
如何使用NMUDP控件，往局域网电脑的显示器上发送简单消息，比如“XXX你妈喊你回家吃饭”...滚动几秒后消失

NMUDP帮助不是很详细，对网络编程也不是很熟，需要配置什么才能在局域网广播这样的消息。。。

麻烦大侠不吝赐教...

[解决办法]

C/C++ code

 
 //--------------------------------------- 
  
 #include  <vcl.h> 
 #pragma hdrstop 
  
 #include "Unit1.h" 
 //--------------------------------------- 
 #pragma package(smart_init) 
 #pragma resource "*.dfm" 
 TForm1 *Form1; 
 //--------------------------------------- 
 __fastcall TForm1::TForm1(TComponent* Owner) 
     : TForm(Owner) 
 { 
 } 
 //--------------------------------------- 
  
 void __fastcall TForm1::FormCreate(TObject *Sender) 
 { 
 //发送的UDP控件 
 NMUDP1->RemoteHost = "127.0.0.1"; 
 NMUDP1->RemotePort = 8001 ; 
 //接收的UDP控件 
 NMUDP2->LocalPort = 8001 ; 
 } 
 //--------------------------------------- 
  
 void __fastcall TForm1::NMUDP2DataReceived(TComponent *Sender, 
   int NumberBytes, AnsiString FromIP, int Port) 
 { 
 char  TmpBuffer[1024]={0}; 
 int   i;  
 NMUDP2->ReadBuffer(TmpBuffer,NumberBytes,i); 
 TmpBuffer[NumberBytes]= '\0 '; 
 Memo1->Lines->Add(TmpBuffer); 
 } 
 //--------------------------------------- 
 void __fastcall TForm1::Button1Click(TObject *Sender) 
 { 
 char  *ch   =   "你好"; 
 NMUDP1-> SendBuffer(ch,sizeof(ch),sizeof(ch)); 
 } 
 //---------------------------------------