TBitBtn.OnKeyDown property
Event handler signalled when a key is down while the control has focus.
Declaration
property OnKeyDown:;Description
OnKeyDown differs from
OnKeyPress in that the key
may have already been down when the control received focus; with
OnKeyPress the key needs to become pressed while the control has
focus.
See also
An experiment, built from development snapshots. Not the official Free Pascal or Lazarus documentation.