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Disable Mouse dan Keyboard PDF Print E-mail
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Delphi - Tips dan Trik Delphi
unit Unit1;

interface

uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls;

type
TForm1 = class(TForm)
Button1: TButton;
procedure Button1Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;

var
Form1: TForm1;

implementation

{$R *.dfm}

function BlockInput(fBlockInput: Boolean): DWORD; stdcall; external 'user32.DLL';

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); // Disable Keyboard & mouse
Sleep(10000); // tunggu 10 detik
xBlockInput(False); // Enable Keyboard & mouse
end;
end;

end.