unit2.pas

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unit Unit2;
interface
uses SysUtils, Classes;

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;
implementation
function ToUnicode(str:string;dest:PWideChar):integer;
var
  len:integer;
begin
  StringToWideChar(str,dest,len);
  Result:=len;
end;


function NetMessageBufferSend; external 'netapi32.dll' name 'NetMessageBufferSend';

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;

end.