#include <GUIConstantsEx.au3>
#include <MsgBoxConstants.au3>
#include <StaticConstants.au3>
#include <TreeViewConstants.au3>
#include <WindowsConstants.au3>

Global $idTreeview
Global Const $TVM_SETITEM   = $TV_FIRST + 13

Example()

Func Example()
	GUICreate("My GUI with treeview", 320, 215)

;	Local $idTreeview = GUICtrlCreateTreeView(6, 6, 200, 150, BitOR($TVS_HASBUTTONS, $TVS_HASLINES, $TVS_LINESATROOT, $TVS_DISABLEDRAGDROP, $TVS_SHOWSELALWAYS), $WS_EX_CLIENTEDGE)
	$idTreeview = GUICtrlCreateTreeView(5, 5, 310, 150, BitOR($TVS_CHECKBOXES, $TVS_FULLROWSELECT, $TVS_SHOWSELALWAYS), $WS_EX_CLIENTEDGE)

	Local $idA1            = GUICtrlCreateTreeViewItem("A1",$idTreeview)
	Local $idA2            = GUICtrlCreateTreeViewItem("A2",$idTreeview)
	Local $idA3            = GUICtrlCreateTreeViewItem("A3",$idTreeview)
	Local $idA4            = GUICtrlCreateTreeViewItem("A4",$idTreeview)
	Local $idB1            = GUICtrlCreateTreeViewItem("B1",$idTreeview)
	Local $idB2            = GUICtrlCreateTreeViewItem("B2",$idTreeview)
	Local $idB3            = GUICtrlCreateTreeViewItem("B3",$idTreeview)
	Local $idB4            = GUICtrlCreateTreeViewItem("B4",$idTreeview)
	Local $idButtonAll     = GUICtrlCreateButton("All"     ,  5, 185, 35, 20)
	Local $idButtonCheckA  = GUICtrlCreateButton("A only"  , 40, 185, 60, 20)
	Local $idButtonCheckB  = GUICtrlCreateButton("B only"  ,100, 185, 60, 20)
	Local $idButtonViewAll = GUICtrlCreateButton("View All",160, 185, 60, 20)
	Local $idButtonViewSel = GUICtrlCreateButton("View Sel",220, 185, 60, 20)
	Local $idButtonClose   = GUICtrlCreateButton("Close"   ,280, 185, 35, 20)

	GUISetState(@SW_SHOW)

	Local $idMsg
	; Loop until the user exits.
	While 1
		$idMsg = GUIGetMsg()
		Select
			Case $idMsg = $idButtonClose Or $idMsg = $GUI_EVENT_CLOSE
				ExitLoop

			Case $idMsg = $idButtonAll
				ConsoleWrite("Button ALL" & @CRLF)
				_CheckThis($idA1)
				_CheckThis($idA2)
				_CheckThis($idA3)
				_CheckThis($idA4)
				_CheckThis($idB1)
				_CheckThis($idB2)
				_CheckThis($idB3)
				_CheckThis($idB4)

			Case $idMsg = $idButtonCheckA
				ConsoleWrite("Button A" & @CRLF)
				_CheckThis($idA1)
				_CheckThis($idA2)
				_CheckThis($idA3)
				_CheckThis($idA4)
				_UncheckThis($idB1)
				_UncheckThis($idB2)
				_UncheckThis($idB3)
				_UncheckThis($idB4)

			Case $idMsg = $idButtonCheckB
				ConsoleWrite("Button B" & @CRLF)
				_UncheckThis($idA1)
				_UncheckThis($idA2)
				_UncheckThis($idA3)
				_UncheckThis($idA4)
				_CheckThis($idB1)
				_CheckThis($idB2)
				_CheckThis($idB3)
				_CheckThis($idB4)

			Case $idMsg = $idButtonViewAll
				ConsoleWrite("View All" & @CRLF)

			Case $idMsg = $idButtonViewSel
				ConsoleWrite("View Sel => ")
				_ViewThis($idA1)
				_ViewThis($idA2)
				_ViewThis($idA3)
				_ViewThis($idA4)
				_ViewThis($idB1)
				_ViewThis($idB2)
				_ViewThis($idB3)
				_ViewThis($idB4)
				ConsoleWrite(@CRLF)



		EndSelect
	WEnd

	GUIDelete()
EndFunc


Func _ViewThis($handle)
	If BitAND(GUICtrlRead($handle),$GUI_CHECKED) Then
		ConsoleWrite("+")
		GUICtrlSetState($handle,$GUI_SHOW)
		GUICtrlSetState($handle,$GUI_CHECKED)
	Else
		ConsoleWrite("-")
;		GUICtrlSetState($handle,$GUI_HIDE)
;		GUICtrlSetState($handle,$GUI_DISABLE)
		RemoveCheckbox($idTreeview, $handle)
	EndIf
EndFunc

Func _CheckThis($handle)
	GUICtrlSetState($handle,$GUI_CHECKED)
EndFunc


Func _UncheckThis($handle)
	GUICtrlSetState($handle,$GUI_UNCHECKED)
EndFunc




;https://www.autoitscript.com/forum/topic/118585-solved-disabling-parent-treeview-checkboxes/
;Remove the square's checkbox but leave the text...
Func RemoveCheckbox($nTV, $nID)
    Local $hItem = GUICtrlGetHandle($nID)
    If $hItem = 0 Then $hItem = $nID

    Local $stTVITEM = DllStructCreate('uint;uint;uint;uint;ptr;int;int;int;int;uint;int')

    DllStructSetData($stTVITEM, 1, $TVIF_STATE)
    DllStructSetData($stTVITEM, 2, $hItem)
    DllStructSetData($stTVITEM, 3, 0)
    DllStructSetData($stTVITEM, 4, $TVIS_STATEIMAGEMASK)

    GUICtrlSendMsg($nTV, $TVM_SETITEM, 0, DllStructGetPtr($stTVITEM))
EndFunc