Re: [wxCode-users] how to catch scroll event of wxTreeListCtrl

[PGridDev <pgr...@ya...>]

  Hi
indeed scrolling events from wxTreeListMainWindow do not propagate to the main class wxTreeListCtrl
As a workaround if you are in a hurry: modify wxTreeListMainWindow::OnScroll() to get called for those events
The functionality ought to be added to the control, would you mind opening a ticket in the feature tracker ?
     https://sourceforge.net/tracker/?func=add&group_id=51305&atid=462819
Thanks,
Ronan


On 05/10/2010 06:24, Yogesh Chaturvedi wrote:
> Hi,
>
> I am using wxTreeListCtrl and application is to compare two directory
> that's why i need two wxTreeListCtrl and have synchronization between
> them when scroll window, mean to say that if directory have long list
>
> and need to scroll the control the otherside or second wxTreelistctrl
> should also move as first is moving.
>
>
> My problem is that i am unable to pick scroll event of wxTreeListCtrl, I
> have applied handler
> *wxwidgets:*
>
>
> EVT_SCROLLWIN(MyTreeCtrlEx::OnScroll)
>
> void MyTreeCtrlEx:: OnScroll(wxScrollWinEvent&  event)
>
> {
>      wxMessageBox(_("Scroll Event Fired"));
> }
>
>
>
> and apply breakpoint but cursor do not hit breakpoint, After exploring i
> come to know that wxTreeListCtrl do not generate any event and there is
>
> a class wxMainWindow that handle the scroll event and it is a member
> variable in wxTreeListCtrl class , but i am unable to find out how can i
>
> implement the scroll event in my application, it is essential for
> application. Is is possible to get scroll event.
>
> OS : Linux:    Ubunto-9
>
> wxTreeListCtrl version : treelistctrl.h,v 1.1 2010-07-01 12:44:54
>
>
>
> Yogesh
>   
>
>
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