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Use CM_MOUSEENTER and CM_MOUSELEAVE messages:
TYourObject = class(TAnyControl)
...
private
procedure CMMouseEnter(var AMsg: TMessage); message CM_MOUSEENTER;
procedure CMMouseLeave(var AMsg: TMessage); message CM_MOUSELEAVE;
...
end;
implementation
procedure TYourObject.CMMouseEnter(var AMsg: TMessage);
begin
MessageBox(Parent.Handle,'Mouse enter','Message',MB_OK);
end;
procedure TYourObject.CMMouseLeave(var AMsg: TMessage);
begin
MessageBox(Parent.Handle,'Mouse leave','Message',MB_OK);
end;
- Related chapters
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Components
- Related topics
-
Play a sound on mouse enter
Highlight component
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Win32 programmer's reference
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