Как определить нажатие Shift, Control, Alt
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function CtrlDown : Boolean;
var
State : TKeyboardState;
begin
GetKeyboardState(State);
Result := ((State[vk_Control] And 128) <> 0);
end;
function ShiftDown : Boolean;
var
State : TKeyboardState;
begin128) <> 0);
end;
function AltDown : Boolean;
var
State : TKeyboardState;
begin
GetKeyboardState(State);
Result := ((State[vk_Menu] and 128) <> 0);
end;
procedure TForm1.MenuItem12Click(Sender: TObject);
begin
if ShiftDown then
Form1.Caption := 'Shift' else
Form1.Caption := '';
end; |