IsFunctionKeyDown

Definition

function IsFunctionKeyDown(Key: Byte): Boolean;

Source Code

function IsFunctionKeyDown(Key: Byte): Boolean;
begin
  Result := False;
  case Key of
    0: Result := GetAsyncKeyState(VK_SHIFT) <> 0;
    1: Result := GetAsyncKeyState(VK_CONTROL) <> 0;
    2: Result := GetAsyncKeyState(VK_MENU) <> 0;
    3: Result := GetAsyncKeyState(VK_LSHIFT) <> 0;
    4: Result := GetAsyncKeyState(VK_LCONTROL) <> 0;
    5: Result := GetAsyncKeyState(VK_LMENU) <> 0;
    6: Result := GetAsyncKeyState(VK_RSHIFT) <> 0;
    7: Result := GetAsyncKeyState(VK_RCONTROL) <> 0;
    8: Result := GetAsyncKeyState(VK_RMENU) <> 0;
  end;
end;

Availability

SCAR Divi 3.00 > 3.34

Description

Returns true if a function key specified by Key was pressed.

Keys

• 0: Shift
• 1: Control
• 2: Menu
• 3: Left Shift
• 4: Left Control
• 5: Left Menu
• 6: Right Shift
• 7: Right Control
• 8: Right Menu

Example

begin
  repeat
    Wait(500)
  until IsFunctionKeyDown(4);
  WriteLn('Pressed the left control key');
end.

See Also

• IsArrowDown
• IsFKeyDown
• IsNumpadKeyDown
• IsKeyDown