function FunctionDetect(LibName, FuncName: string; var LibPointer: Pointer): Boolean;
var
LibHandle: THandle;
begin
Result := False;
LibPointer := nil;
if LoadLibrary(PChar(LibName)) = 0 then Exit;
LibHandle := GetModuleHandle(PChar(LibName));
if LibHandle <> 0 then
begin
LibPointer := GetProcAddress(LibHandle, PChar(FuncName));
if LibPointer <> nil then Result := True;
end;
end;
procedure TForm1.Button1Click(Sender: TObject);
var
xBlockInput: function (Block: BOOL): BOOL; stdcall;
begin
if FunctionDetect(’USER32.DLL’, ’BlockInput’, @xBlockInput) then
begin
xBlockInput(True); // klavye ve mouse yi iptal et
Sleep(10000); // 10 saniye bekle
xBlockInput(False); // klavye ve mouse yi aktif et
end;
end;
procedure TForm1.Button1Click(Sender: TObject) ;
function FuncAvail(dllName, funcName: string; var p: pointer): boolean;
var
lib: THandle;
begin
result := false;
p := nil;
if LoadLibrary(PChar(dllName)) = 0 then exit;
lib := GetModuleHandle(PChar(dllName)) ;
if lib <> 0 then
begin
p := GetProcAddress(lib, PChar(funcName)) ;
if p <> nil then Result := true;
end;
end;
var
BlockInput : function(Block: BOOL): BOOL; stdcall;
begin
if FuncAvail('USER32.DLL', 'BlockInput', @BlockInput) then
begin
ShowMessage('Your Mouse and Keyboard will be blocked for 5 seconds!') ;
BlockInput(true) ;
Sleep(5000) ;
BlockInput(false) ;
end;
end;