Mega Code Archive
Operate the numeric keypad always as if NumLock is engaged
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Title: Operate the numeric keypad always as if NumLock is engaged?
procedure TForm1.AppOnMessage(var Msg: TMsg; var Handled: Boolean);
var
ccode: Word;
begin
case Msg.Message of
WM_KEYDOWN, WM_KEYUP:
begin
if (GetKeyState(VK_NUMLOCK) = 0) {NumLock not active} and
((Msg.lParam and $1000000) = 0) {not a gray key} then
begin
ccode := 0;
case Msg.wParam of
VK_HOME: ccode := VK_NUMPAD7;
VK_UP: ccode := VK_NUMPAD8;
VK_PRIOR: ccode := VK_NUMPAD9;
VK_LEFT: ccode := VK_NUMPAD4;
VK_CLEAR: ccode := VK_NUMPAD5;
VK_RIGHT: ccode := VK_NUMPAD6;
VK_END: ccode := VK_NUMPAD1;
VK_DOWN: ccode := VK_NUMPAD2;
VK_NEXT: ccode := VK_NUMPAD3;
VK_INSERT: ccode := VK_NUMPAD0;
VK_DELETE: ccode := VK_DECIMAL;
end; {Case}
if ccode 0 then
Msg.wParam := ccode;
end; {If}
end; {Case Msg.Message}
end; {Case}
end;
procedure TForm1.FormCreate(Sender: TObject);
begin
Application.OnMessage := AppOnMessage;
end;
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