create中:
application.onmessage:=mymessage;
PUBLISH中:
procedure mymessage(var msg:tmsg;var handled:boolean);
实现:
procedure tform1.mymessage(var msg:tmsg;var handled:boolean);
begin
if (msg.message=wm_Lbuttondown) and (msg.hwnd=Button.handle) then
begin
if Locked then handled:=true;
end;
end;