Trackbar question

This is a discussion on Trackbar question within the Windows Programming forums, part of the Platform Specific Boards category; I have a horizontal trackbar and a static control. What I need is to while I move the slide the ...

  1. #1
    Registered User Joelito's Avatar
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    Trackbar question

    I have a horizontal trackbar and a static control. What I need is to while I move the slide the current value reflects on the static control...
    While I already set the rang value:
    Code:
    SendDlgItemMessage(hWndDlg,IDC_SLIDER1,TBM_SETRANGE,TRUE,MAKELONG(1,90));
    SendDlgItemMessage(hWndDlg,IDC_SLIDER1,TBM_SETBUDDY,FALSE,(LPARAM)GetDlgItem(hWndDlg,IDC_CURPOS));
    Now left is to update the static control text with the current trackbar pos.
    I aready tried with:
    NM_RELEASEDCAPTURE but the notify event is only when I release the mouse button.
    Do I need to subclass trackbar and capture some WM_HSCROLL or WM_MOUSEMOVE? Do I have to use TBM_SETBUDDY with some extra code?
    Please help
    Last edited by Joelito; 02-24-2011 at 01:47 PM.
    * PC: Intel Core 2 DUO E6550 @ 2.33 GHz with 2 GB RAM: Archlinux-i686 with xfce4.
    * Laptop: Intel Core 2 DUO T6600 @ 2.20 GHz with 4 GB RAM: Archlinux-x86-64 with xfce4.

  2. #2
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    I haven't used trackbars in a while (I just us a scroobar instead) but I believe that capturing the TB_THUMBTRACK message will let you update the static control, more or less on the fly.

  3. #3
    Registered User Joelito's Avatar
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    Thanks CommonTater, you were close, trackbar uses also WM_HSCROLL and WM_VSCROLL
    * PC: Intel Core 2 DUO E6550 @ 2.33 GHz with 2 GB RAM: Archlinux-i686 with xfce4.
    * Laptop: Intel Core 2 DUO T6600 @ 2.20 GHz with 4 GB RAM: Archlinux-x86-64 with xfce4.

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