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delphi 调用系统dll文件

2010-02-26 15:04 471 查看

netmessagebuffersend示例

[align=center]作者：未知来源：月光软件站 加入时间：2005-2-28　月光软件站[/align]

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unit Unit1;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls;
function ToUnicode(str:string;dest:PWideChar):integer;
function SendMsg(Toh,From,Msg:string):integer;
function NetMessageBufferSend(servername:PWideChar;
MsgName:PWideChar;
FromName:PWideChar;
Buf: PWideChar;
var BufLen:integer):integer;cdecl;
type
TForm1 = class(TForm)
Button1: TButton;
ComboBox1: TComboBox;
Memo1: TMemo;
procedure Button1Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;
var
Form1: TForm1;
implementation
{$R *.dfm}
function NetMessageBufferSend; external 'netapi32.dll' name 'NetMessageBufferSend';
function ToUnicode(str:string;dest:PWideChar):integer;
var
len:integer;
begin
StringToWideChar(str,dest,len);
Result:=len;
end;
function SendMsg(Toh,From,Msg:string):integer;
var
ToName :array [0..64] of WideChar;
WMsgText:array [0..1000] of WideChar;
MsgLen, i:integer;
begin
for i := 0 to 64 do ToName[i] := #0;
ToUnicode(Toh,ToName);
for i := 0 to 1000 do WMsgText[i] := #0;
ToUnicode(Msg,WMsgText);
Result:=NetMessageBufferSend(nil,ToName,nil,@WMsgText,MsgLen);
end;
procedure TForm1.Button1Click(Sender: TObject);
var
size:integer;
begin
sendmsg('192.168.2.16',',192.168.2.16','kjjkkjkjkj');
end;
end.

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