const
ExtendedKeys: set of Byte = [ // incomplete list
VK_INSERT, VK_DELETE, VK_HOME, VK_END, VK_PRIOR, VK_NEXT,
VK_LEFT, VK_UP, VK_RIGHT, VK_DOWN, VK_NUMLOCK
];
procedure SimulateKeyDow class=O2>flags: DWORD; begin
if Key in ExtendedKeys then flags := KEYEVENTF_EXTENDEDKEY else flags := 0;
keybd_event(Key, MapVirtualKey(Key, 0), flags, 0);
end;
procedure SimulateKeyUp(Key : byte);
var
flags: DWORD;
begin
if Key in ExtendedKeys then flags := KEYEVENTF_EXTENDEDKEY else flags := 0;
keybd_event(Key, MapVirtualKey(Key, 0), KEYEVENTF_KEYUP or flags, 0);
end;
procedure SimulateKeystroke(Key : byte);
var
flags: DWORD;
scancode: BYTE;
begin
if Key in ExtendedKeys then flags := KEYEVENTF_EXTENDEDKEY else flags := 0;
scancode := MapVirtualKey(Key, 0);
keybd_event(Key,
scancode,
flags,
0);
keybd_event(Key,
scancode,
KEYEVENTF_KEYUP or flags,
0);
end;