Grosminet

Slider notification code unknown for TRBN_THUMBPOSCHANGING

3 posts in this topic

I would like to use a WM_NOTIFY function to manage a slider thumb position change, according this MSN trackbar link TRBN_THUMBPOSCHANGING .

Does somebody know why the notification code "TRBN_THUMBPOSCHANGING" for the slider control seems ignored in "WindowsConstants.au3" include file ?

Searching in AutoIt or MSN forum , or googling this code, I don't succeed to catch any code info !!! Is it obsolete ?

Thanks

Alain.

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Grosminet,

I have never used that message for detecting thumb movement on a slider - I always use $SB_THUMBTRACK via a $WM_H/VSCROLL message like this:

#include <GUIConstantsEx.au3>
#include <WindowsConstants.au3>
#include <WinAPI.au3>

$hGUI = GUICreate("Test", 500, 500)

$cSlider = GUICtrlCreateSlider(10, 10, 200, 20)
$hSlider = GUICtrlGetHandle($cSlider)

GUISetState()

GUIRegisterMsg($WM_HSCROLL, "_WM_HSCROLL")

While 1
    Switch GUIGetMsg()
        Case $GUI_EVENT_CLOSE
            Exit
    EndSwitch
WEnd

Func _WM_HSCROLL($hWnd, $iMsg, $wParam, $lParam)

    If $lParam = $hSlider Then
        If _WinAPI_LoWord($wParam) = 5 Then ;$SB_THUMBTRACK

            ConsoleWrite(GUICtrlRead($cSlider) & " - " & @MSEC & @CRLF)

        EndIf
    EndIf
    Return $GUI_RUNDEFMSG

EndFunc

M23


Any of my own code posted anywhere on the forum is available for use by others without any restriction of any kind._______My UDFs:

Spoiler

ArrayMultiColSort ---- Sort arrays on multiple columns
ChooseFileFolder ---- Single and multiple selections from specified path treeview listing
Date_Time_Convert -- Easily convert date/time formats, including the language used
ExtMsgBox --------- A highly customisable replacement for MsgBox
GUIExtender -------- Extend and retract multiple sections within a GUI
GUIFrame ---------- Subdivide GUIs into many adjustable frames
GUIListViewEx ------- Insert, delete, move, drag, sort, edit and colour ListView items
GUITreeViewEx ------ Check/clear parent and child checkboxes in a TreeView
Marquee ----------- Scrolling tickertape GUIs
NoFocusLines ------- Remove the dotted focus lines from buttons, sliders, radios and checkboxes
Notify ------------- Small notifications on the edge of the display
Scrollbars ----------Automatically sized scrollbars with a single command
StringSize ---------- Automatically size controls to fit text
Toast -------------- Small GUIs which pop out of the notification area

 

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Thx Melba23:

I have logged all notification codes received on a slider using "WM_NOTIFY" function, it seems that only 2 codes are handled:

-16 == $NM_RELEASEDCAPTURE (when mouse click)

-12 == $NM_CUSTOMDRAW (using arrows left, right, up, doown)

So, I suppose that the MSN link is now out of age ...

That's a pity, as the corresponding "NMTRBTHUMBPOSCHANGING" structure would get me lot of interesting info (position and type of movement) ...

Anyhow, thanks for your time passed to help me.

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