TADVGroupBox and biHelp

[Stahler_Jochem (Stähler Jochem)]

I have a realitvely simple question: How can I use TADVGroupBox together with the nice question-mark icon in asimple dialog?
All other components on the dialog work correctly...but not the TADVGroupBox. Here's what I do:

// Declaration in dialog-class
procedure ShowMyHelp(var message: TMessage); message WM_HELP;
.
.
.
procedure TMyDialog.ShowMyHelp(var message: TMessage);
var
hhPopup: THH_Popup;
myControlHandle: THandle;
myMousePos: TPoint;
begin
hhPopup.cbStruct := SizeOf(hhPopup);
hhPopup.hInst := 0;
hhPopup.idString := 0;
myControlHandle := PHelpInfo(message.lParam)^.hItemHandle;
myMousePos := PHelpInfo(message.lParam)^.MousePos;
hhPopup.pszText := PWideChar(FindControl(myControlHandle).Hint);
hhPopup.pt := myMousePos;
hhPopup.clrForeground := COLORREF(-1);
hhPopup.clrBackground := COLORREF(-1);
hhPopup.rcMargins := Rect(-1, -1, -1, -1);
hhPopup.pszFont := '';
HtmlHelp(Self.Handle, nil, HH_DISPLAY_TEXT_POPUP, dword(@hhPopup));
end;

All necessary controls have the help-text in their hint-property. Helpcontext is different for every control. Helptype is htContext. ShowHint is false.

What am I missing?

Regards,
Jochem Stähler

[brunofierens]

I do not see a reference to TAdvGroupBox, so it is unclear what exactly you are trying to do and how this is failing with TAdvGroupBox?

[Stahler_Jochem (Stähler Jochem)]

Oh, sorry. After clicking the question-mark border ico, the mouse pointer turns into a pointer with question-mark.Then when I click on for example a TRadiobutton, it will display a help-tooltip. If I click on a TEdit, it will display a help-tooltip. The code above is not control-specific. BUT if I click o a TADVGroupBox...nothing happens. As I am not to fit what the mechanisms around WM_HELP messaging are concerned, I don't know what exactly is wrong, but...the result is the malfunction I have stated.

Sincerely,
Jochem Stähler

[Stahler_Jochem (Stähler Jochem)]

Any other questions I might be able to answer?
Push

[Stahler_Jochem (Stähler Jochem)]

Still something unclear?

[brunofierens]

I tried to reproduce this but couldn't.
I also saw so different behavior between the standard VCL TGroupBox and TAdvGroupBox.
If a problem persists, please provide some sample source app with which we can reproduce this here.

[Stahler_Jochem (Stähler Jochem)]

Hi Bruno,
though the problem persists, I have worked around it. I have noticed meanwhile that one or two other VCL-components have the same issue - perhaps it's not an issue after all? What I have done now is to capture the WM_NCLBUTTONUP and WM_NCLBUTTONDOWN messages of the form myself to handle my required behaviour. So this subject can be put to sleep.

Happy birthday BTW.

Cheers,
Jochem

[brunofierens]

Thanks!