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I read msdn, but an older version of IsDialogMessage, where WM_GETDLGCODE was not mentioned....
grgrggr

I found the solution:
https://groups.google.com/forum/#!topic/borland.public.delphi.vcl.components.writing/1WbnR3dFgVk

PreTranslateMessage is called, if VK_DOWN etc. is stroke.
and IsDialogMessage says that the WM_KEYDOWN-message has been processed. But where?

yes.
Now, I checked it with Spy++.
A WM_KEYDOWN-message was sent to my ctrl-window!
But no WM_KEYUP-message????
Maybe this goes to another window?
If I strike VK_SPACE, I get a WM_KEYDOWN,...

e.g. cursor up/down!

Hello again,

it has nothing to do with the styles.
I can use WM_KEYDOWN to detect normal keys.

How can I detect a keystroke on the cursor keys?
is it not WM_KEYDOWN?

Hello Victor,

I am near to the solution.
I think this problem has to do with the window-styles.
For the listbox I used the picture control in the dialog editor.
If I use the edit control, I can...

yes, I set the notify-property for the static-control in the dialog-editor.
I think, this is the same as SS_NOTIFY?!
Without this there was also no call to OnLButtonDown().

Hello Victor,

I put ON_WM_CHAR and ON_WM_KEYDOWN in the messagemap of CMyListCtrl.
But the corresponding function is never called!
If I press the arrow keys, the focus (set with OnLButtonDown)...

Hello,

to make the best solution, I started to create my own listbox.
Base class: CStatic.

It works pretty good, but now I entered one problem:
I can not detect key strokes. OnChar or...

Hello Victor,

SetItemHeight() sounds good.
It would solve my problems.
But way do OnMeasureItem exist, if everything can be handled with SetItemHeight().

Hello OReubens,

thank you.

Regarding CListBox:
when I use ownerdrawfixed, how can I change the height?

Ralf

Hello,

I need a ownerdraw CListBox where I can change the item height during working with the list.
The msdn says that I can specify the height in OnMeasureItem when the listbox will be created...