TreeView - checking a parent then checks the kids

[dazza]

Using the code in the help files: _GUICtrlTreeView_Create.au3, I can detect when an item in the treeview is checked. However, I haven't a clue how to then check all the children (and grandchildren, great grandchildren et al) nodes below.

I humbly await the wisdom of AutoIT gurus.

[Manjish]

_GUICtrlTreeView_GetSelection and _GUICtrlTreeView_GetChildren

[dazza]

Ack. I've rummaged through these references; I still can't see how to do it

Someone please show me the code how to do it. It's probably quite simple--like me.

Ta

[PsaltyDS]

Ack. I've rummaged through these references; I still can't see how to do it

Someone please show me the code how to do it. It's probably quite simple--like me.

Ta

This is a modified version of the example script for _GUICtrlTreeView_GetNextChild():

#include <GuiConstantsEx.au3>
#include <GuiTreeView.au3>
#include <WindowsConstants.au3>

Global $hItem[6], $hTreeView, $iRandomItem, $hRandomItem, $hFirstChild, $sFirstChild, $hNextChild, $sNextChild, $sMsg
Global $iStyle = BitOR($TVS_HASBUTTONS, $TVS_HASLINES, $TVS_LINESATROOT, $TVS_SHOWSELALWAYS)

GUICreate("TreeView Get Next Child", 400, 300)

$hTreeView = GUICtrlCreateTreeView(2, 2, 396, 268, $iStyle, $WS_EX_CLIENTEDGE)
GUISetState()

_GUICtrlTreeView_BeginUpdate($hTreeView)
For $x = 0 To UBound($hItem) - 1
    $hItem[$x] = GUICtrlCreateTreeViewItem(StringFormat("[%02d] New Item", $x), $hTreeView)
    For $y = 0 To 2
        GUICtrlCreateTreeViewItem(StringFormat("[%02d-%02d] New Child Item", $x, $y), $hItem[$x])
    Next
Next
_GUICtrlTreeView_EndUpdate($hTreeView)

$iRandomItem = Random(0, UBound($hItem) - 1, 1)
$ctrlRandomItem = $hItem[$iRandomItem]
$sMsg &= "Randomly selected item = " & $iRandomItem & ", control ID = " & $ctrlRandomItem & @CRLF
$hFirstChild = _GUICtrlTreeView_GetFirstChild($hTreeView, $ctrlRandomItem)
$sFirstChild = _GUICtrlTreeView_GetText($hTreeView, $hFirstChild)
$sMsg &= "First child handle = " & $hFirstChild & ", text = " & $sFirstChild & @CRLF
$hNextChild = _GUICtrlTreeView_GetNextChild($hTreeView, $hFirstChild)
$sNextChild = _GUICtrlTreeView_GetText($hTreeView, $hNextChild)
_GUICtrlTreeView_SelectItem($hTreeView, $hNextChild)
$sMsg &= "Next child handle = " & $hNextChild & ", text = " & $sNextChild
MsgBox(64, "_GuiCtrlTreeView_GetNextChild()", $sMsg)

; Loop until user exits
Do
Until GUIGetMsg() = $GUI_EVENT_CLOSE

You have my empathy if some of this is confusing. Some of the examples in the help file have extraneous stuff thrown in, and Control IDs and control handles are mixed where the parameters say you can only use one.

You want to get the control ID or handle for the parent item, then get the handle for the first child item, then a loop can get the next child/sibling until you have what you want. This demo only gets the first child and the next. You would have to add a loop to get them all.

Note _GuiCtrlTreeView_GetNextChild() is just an alias for _GuiCtrlTreeView_GetNextSibling(), added for consistency in the naming convention, I guess.

If that doesn't help, try to ask a more specific question about the part you don't understand.