Hide listview rows?

[Champak]

Is it possible to hide, collapse, or set the height of rows? I want to be able to hide certain rows when needed.

[Nine]

As explained in this thread, it is not easily possible to set row height individually in ListView, but you can on ListBox.

You can GUICtrlDelete single/multiple rows, and recreate it at will...Hide will not work on ListView

Edited March 28, 2022 by Nine

[Champak]

That option doesn't suit my needs, so I'm going a different route. Thanks for the info.

[Gianni]

if it suits you to hide/show groups of rows, and single rows as well, by using an expand/collapse way, you can have a look here then

https://www.autoitscript.com/forum/topic/181835-listview-control-is-it-possible-the-collapseexpand-of-groups/

 

Edited March 28, 2022 by Gianni

[Champak]

Thanks, I think that might just work. Just have to see how it plays with everything else, but it looks good.

[Melba23]

Champak,

Following on from your query in my GUIListViewEx thread I came to take a look here. To hide specific rows, why not get a copy of the ListView content into an array, remove the rows you do not wish to see and then reload the amended data into the ListView?

M23

[ad777]

@Champak

maybe this will help ya.

expandcollapse popup

#include <GUIConstantsEx.au3>
#include <GuiImageList.au3>
#include <GuiListView.au3>
#include <GUIConstantsEx.au3>
#include <GuiImageList.au3>
#include <GuiListView.au3>

Example()

Func Example()
    ; Create GUI
    GUICreate("ListView Add SubItem (v" & @AutoItVersion & ")", 400, 300)
    Local $idListview = GUICtrlCreateListView("", 2, 2, 394, 268, -1, BitOR($LVS_EX_FULLROWSELECT, $LVS_EX_SUBITEMIMAGES))
    GUISetState(@SW_SHOW)

    ; Set ANSI format
;~     _GUICtrlListView_SetUnicodeFormat($idListview, False)

    ; Load images
    Local $hImage = _GUIImageList_Create()
    _GUIImageList_Add($hImage, _GUICtrlListView_CreateSolidBitMap(GUICtrlGetHandle($idListview), 0xFF0000, 16, 16))
    _GUIImageList_Add($hImage, _GUICtrlListView_CreateSolidBitMap(GUICtrlGetHandle($idListview), 0x00FF00, 16, 16))
    _GUIImageList_Add($hImage, _GUICtrlListView_CreateSolidBitMap(GUICtrlGetHandle($idListview), 0x0000FF, 16, 16))
    _GUICtrlListView_SetImageList($idListview, $hImage, 1)

    ; Add columns
    _GUICtrlListView_InsertColumn($idListview, 0, "Column 1", 100)
    _GUICtrlListView_InsertColumn($idListview, 1, "Column 2", 100)
    _GUICtrlListView_InsertColumn($idListview, 2, "Column 3", 100)

    ; Add items
    _GUICtrlListView_AddItem($idListview, "Row 1: Col 1", 0)
    _GUICtrlListView_AddSubItem($idListview, 0, "Row 1: Col 2", 1, 1)
    _GUICtrlListView_AddSubItem($idListview, 0, "Row 1: Col 3", 2, 2)
    _GUICtrlListView_AddItem($idListview, "Row 2: Col 1", 1)
    _GUICtrlListView_AddSubItem($idListview, 1, "Row 2: Col 2", 1, 2)
    _GUICtrlListView_AddItem($idListview, "Row 3: Col 1", 2)
    Global $ItemBaseTxt, $baseIndx, $RetItemTxt
    ; Loop until the user exits.
    MsgBox(64, 'Row 1', 'Hidden')
    $RetItemTxt = _GUICtrlListView_HideRow($idListview, 'Row 1: Col 1', $ItemBaseTxt, $baseIndx);hide Row
    MsgBox(64, 'Row 1', 'Shown')
    _GUICtrlListView_ShowRowM($idListview, $ItemBaseTxt, $baseIndx, $RetItemTxt);Show Row
    Do

    Until GUIGetMsg() = $GUI_EVENT_CLOSE
    GUIDelete()
EndFunc   ;==>Example


Func _GUICtrlListView_HideRow($hWnd, $Item, ByRef $base, ByRef $baseIndex)
    $ItemBase = _GUICtrlListView_FindInText($hWnd, $Item)
    $base = $Item
    $baseIndex = $ItemBase
    Local $add ;,$inc = 0
    For $i = 1 To 255
        $itemTxt = _GUICtrlListView_GetItem($hWnd, _GUICtrlListView_FindInText($hWnd, $Item), $i)[3]
        if $itemTxt <> '' Then
            ;$inc = $inc + 1
            $add &= _GUICtrlListView_GetItem($hWnd, _GUICtrlListView_FindInText($hWnd, $Item), $i)[3] & "-"
        EndIf
    Next
    _GUICtrlListView_DeleteItem($hWnd, $ItemBase)
    Return $add
EndFunc   ;==>_GUICtrlListView_HideRow
Func _GUICtrlListView_ShowRow($hWnd, $Item, $Index)
    Return _GUICtrlListView_InsertItem($hWnd, $Item, $Index)
EndFunc   ;==>_GUICtrlListView_ShowRow
Func _GUICtrlListView_ShowRowM($hWnd, $ItemBaseTxt, $IndexBase, $PSubItem)
    Global $test, $inc = 0
    _GUICtrlListView_InsertItem($hWnd, $ItemBaseTxt, $IndexBase)
    For $i = 0 To StringLen($PSubItem)
        if StringMid($PSubItem, $i, 1) = '-' Then
            $inc = $inc + 1
            _GUICtrlListView_AddSubItem($hWnd, $IndexBase, $test, $inc, $inc)
            $test = ''
        Else
            $test &= StringMid($PSubItem, $i, 1)
        EndIf
    Next
EndFunc   ;==>_GUICtrlListView_ShowRowM

 

[Champak]

@Melba Thanks. The array and listview playing together is painfully slow. My array is 40 col and anywhere from 1500 to 2000 rows, and may get bigger depending on how I choose to manage it. So the speed is going to be an annoying sticking point with the array and listview.

@ad777 that looks very cool. I don't fully understand it at a glance so I'm going to have to play with it and understand it. As long as it works with Melba's combobox listview I'll see how everything else pans out, thanks.