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ListView with GROUP: why LVM_ENABLEGROUPVIEW disables LVS_EX_GRIDLINES ?


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Posted (edited)

To show what I mean check the following modified _GUICtrlListView_InsertGroup[2].au3 example :

; == Example 2 ; Coloring Groups

#include <ColorConstants.au3>
#include <GUIConstantsEx.au3>
#include <GuiImageList.au3>
#include <GuiListView.au3>
#include <WinAPIGdi.au3>
#include <WinAPIGdiDC.au3>
#include <WinAPIHObj.au3>

Global $g_hGUI = 0, $g_hListView = 00
Example()

Func Example()
    ; create GUI window
    $g_hGUI = GUICreate("Example")
    ; create ListView control
    Local $idListview = GUICtrlCreateListView("", 10, 10, 350, 200)
    $g_hListView = ControlGetHandle($g_hGUI, '', $idListview)
    Local $idButton = GUICtrlCreateButton("Test", 10, 220, 70, 20)

    ; Enable extended control styles
    _GUICtrlListView_SetExtendedListViewStyle($idListview, BitOR($LVS_EX_FULLROWSELECT, $LVS_EX_SUBITEMIMAGES, $LVS_EX_GRIDLINES))
    GUISetState(@SW_SHOW)

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

    GUIRegisterMsg($WM_NOTIFY, WM_NOTIFY)

    ; Load images
    Local $hImage = _GUIImageList_Create()
    _GUIImageList_Add($hImage, _GUICtrlListView_CreateSolidBitMap($idListview, $COLOR_RED, 16, 16))
    _GUIImageList_Add($hImage, _GUICtrlListView_CreateSolidBitMap($idListview, $COLOR_GREEN, 16, 16))
    _GUIImageList_Add($hImage, _GUICtrlListView_CreateSolidBitMap($idListview, $COLOR_BLUE, 16, 16))
    _GUICtrlListView_SetImageList($idListview, $hImage, 1)

    ; Add columns
    _GUICtrlListView_AddColumn($idListview, "Column 1", 100)
    _GUICtrlListView_AddColumn($idListview, "Column 2", 100)
    _GUICtrlListView_AddColumn($idListview, "Column 3", 142)

    ; 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)

    ; Build groups
    MsgBox($MB_TOPMOST, "TEST #" & @ScriptLineNumber, 1)
    _GUICtrlListView_EnableGroupView($idListview)
    _GUICtrlListView_InsertGroup($idListview, -1, 1, "Group 1")
    _GUICtrlListView_InsertGroup($idListview, -1, 2, "Group 2")
    _GUICtrlListView_SetItemGroupID($idListview, 0, 1)
    _GUICtrlListView_SetItemGroupID($idListview, 1, 2)
    _GUICtrlListView_SetItemGroupID($idListview, 2, 2)

    ; Loop until the user exits.
    While 1
        Switch GUIGetMsg()
            Case $GUI_EVENT_CLOSE
                ExitLoop

            Case $idButton
                MsgBox($MB_TOPMOST, "TEST #" & @ScriptLineNumber, "Test button clicked")

        EndSwitch
    WEnd
    GUIDelete()
EndFunc   ;==>Example

Func WM_NOTIFY($hWnd, $iMsg, $wParam, $lParam)
    #forceref $iMsg, $wParam

    If $hWnd = $g_hGUI Then ; check if Our GUI - in case you create multiple GUI - Window
        Local $tItem = DllStructCreate($tagNMLVCUSTOMDRAW, $lParam)
        If $tItem.hWndFrom = $g_hListView Then ; check if our ListView - in case you have few ListView on the same GUI - Window
            Local $iItemSpec = $tItem.dwItemSpec ; ItemIndex for "RowElement", GroupID for "GroupElement"
            If $iItemSpec >= 0 And $tItem.Code = $NM_CUSTOMDRAW And $tItem.dwItemType = $LVCDI_GROUP And $tItem.dwDrawStage = $CDDS_PREPAINT Then

                Local $tRect = DllStructCreate($tagRECT, DllStructGetPtr($tItem, "left"))
                #Region ; create full row background (black) with a leading line (red)
                $tRect.bottom = $tRect.top + 15
                Local $hBrush = _WinAPI_CreateSolidBrush($COLOR_BLACK)
                _WinAPI_FillRect($tItem.HDC, $tRect, $hBrush)
                _WinAPI_DeleteObject($hBrush)
                Local $hPen = _WinAPI_CreatePen($PS_SOLID, 1, _WinAPI_SwitchColor($COLOR_RED)) ; RGB to BGR
                Local $oOrig = _WinAPI_SelectObject($tItem.HDC, $hPen)
                _WinAPI_DrawLine($tItem.HDC, $tRect.left + 5, $tRect.top + 8, $tRect.right - 5, $tRect.top + 8)
                _WinAPI_SelectObject($tItem.HDC, $oOrig)
                _WinAPI_DeleteObject($hPen)
                Local $aGroup = _GUICtrlListView_GetGroupInfo($tItem.hWndFrom, $iItemSpec)
                #EndRegion ; create full row background (black) with a leading line (red)

                #Region ; repaint the text with your own color (dark blue) and your own background (light blue) - on the previously created full row background
                _WinAPI_SetBkColor($tItem.HDC, _WinAPI_SwitchColor($COLOR_LIGHTBLUE)) ; RGB to BGR
                _WinAPI_SetBkMode($tItem.HDC, $OPAQUE)
                _WinAPI_SetTextColor($tItem.HDC, _WinAPI_SwitchColor($COLOR_BLUE)) ; RGB to BGR
                $tRect.left += 20
                _WinAPI_DrawText($tItem.HDC, "  " & $aGroup[0] & "  ", $tRect, $DT_LEFT)
                #EndRegion ; repaint the text with your own color (dark blue) and your own background (light blue) - on the previously created full row background

                Return $CDRF_SKIPDEFAULT
            EndIf
        EndIf
    EndIf
EndFunc   ;==>WM_NOTIFY


Please focus how LV looks like before MSGBOX and after.

Edited by mLipok

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Signature last update: 2023-04-24

Posted

It does seems that you cannot have both (with basic functionality) :

Group Limits: In standard Win32 ListView controls, grid lines are not supported when items are displayed within groups.

You would need to custom draw the grid yourself.

  • Solution
Posted (edited)

@mLipok  To get you started :

; From Nine
#include <WindowsConstants.au3>
#include <ColorConstants.au3>
#include <GUIConstants.au3>
#include <GuiListView.au3>
#include <WinAPI.au3>

Opt("MustDeclareVars", True)

Example()

Func Example()
  GUICreate("Example")
  Local $idListview = GUICtrlCreateListView("", 10, 10, 350, 200, -1, BitOR($LVS_EX_FULLROWSELECT, $LVS_EX_DOUBLEBUFFER))
  Local $idButton = GUICtrlCreateButton("Test", 10, 220, 70, 20)

  GUISetState()
  GUIRegisterMsg($WM_NOTIFY, WM_NOTIFY)

  _GUICtrlListView_AddColumn($idListview, "Column 1", 100)
  _GUICtrlListView_AddColumn($idListview, "Column 2", 100)
  _GUICtrlListView_AddColumn($idListview, "Column 3", 142)

  _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)

  _GUICtrlListView_EnableGroupView($idListview)
  _GUICtrlListView_InsertGroup($idListview, -1, 1, "Group 1")
  _GUICtrlListView_InsertGroup($idListview, -1, 2, "Group 2")
  _GUICtrlListView_SetItemGroupID($idListview, 0, 1)
  _GUICtrlListView_SetItemGroupID($idListview, 1, 2)
  _GUICtrlListView_SetItemGroupID($idListview, 2, 2)

  While True
    Switch GUIGetMsg()
      Case $GUI_EVENT_CLOSE
        ExitLoop
      Case $idButton
        ConsoleWrite("Test button clicked" & @CRLF)
    EndSwitch
  WEnd
EndFunc   ;==>Example

Func WM_NOTIFY($hWnd, $iMsg, $wParam, $lParam)
  Local $tItem = DllStructCreate($tagNMLVCUSTOMDRAW, $lParam)
  If _WinAPI_GetClassName($tItem.hWndFrom) = "SysListView32" And $tItem.Code = $NM_CUSTOMDRAW And $tItem.dwItemSpec >= 0 Then
    Local $tRect = DllStructCreate($tagRECT, DllStructGetPtr($tItem, "left"))
    If $tItem.dwItemType = $LVCDI_GROUP Then
      If $tItem.dwDrawStage = $CDDS_PREPAINT Then
        $tRect.bottom = $tRect.top + 15
        Local $hBrush = _WinAPI_CreateSolidBrush($COLOR_BLACK)
        _WinAPI_FillRect($tItem.hDC, $tRect, $hBrush)
        _WinAPI_DeleteObject($hBrush)
        Local $hPen = _WinAPI_CreatePen($PS_SOLID, 1, _WinAPI_SwitchColor($COLOR_RED))
        _WinAPI_SelectObject($tItem.hDC, $hPen)
        _WinAPI_DrawLine($tItem.hDC, $tRect.left + 5, $tRect.top + 8, $tRect.right - 5, $tRect.top + 8)
        _WinAPI_DeleteObject($hPen)

        _WinAPI_SetBkColor($tItem.hDC, _WinAPI_SwitchColor($COLOR_LIGHTBLUE))
        _WinAPI_SetBkMode($tItem.hDC, $OPAQUE)
        _WinAPI_SetTextColor($tItem.hDC, _WinAPI_SwitchColor($COLOR_BLUE))
        $tRect.left += 20
        _WinAPI_DrawText($tItem.hDC, "  " & _GUICtrlListView_GetGroupInfo($tItem.hWndFrom, $tItem.dwItemSpec)[0] & "  ", $tRect, $DT_LEFT)
        Return $CDRF_SKIPDEFAULT
      EndIf
    Else
      If $tItem.dwDrawStage = $CDDS_PREPAINT Then Return $CDRF_NOTIFYITEMDRAW
      If $tItem.dwDrawStage = $CDDS_ITEMPREPAINT Then Return $CDRF_NOTIFYSUBITEMDRAW
      Local $bIsSelected = _GUICtrlListView_GetItemState($tItem.hWndFrom, $tItem.dwItemSpec, $LVIS_SELECTED)
      $tRect.top -= 1
      $tRect.bottom += 1
      Local $hPen = _WinAPI_CreatePen($PS_SOLID, 1, 0xA0A0A0)
      _WinAPI_SelectObject($tItem.hDC, $hPen)
      Local $hBrush = _WinAPI_CreateSolidBrush($bIsSelected ? _WinAPI_GetSysColor($COLOR_HIGHLIGHT) : 0xFFFFFF)
      _WinAPI_SelectObject($tItem.hDC, $hBrush)
      _WinAPI_Rectangle($tItem.hDC, $tRect)
      _WinAPI_DeleteObject($hPen)
      _WinAPI_DeleteObject($hBrush)
      $tRect.Left += 5
      $tRect.Top += 2
      _WinAPI_SetTextColor($tItem.hDC, $bIsSelected ? 0xFFFFFF : _WinAPI_GetSysColor($COLOR_HIGHLIGHT))
      _WinAPI_SetBkMode($tItem.hDC, $TRANSPARENT)
      _WinAPI_DrawText($tItem.hDC, _GUICtrlListView_GetItemText($tItem.hWndFrom, $tItem.dwItemSpec, $tItem.iSubitem), $tRect, $DT_LEFT)
      Return $CDRF_SKIPDEFAULT
    EndIf
  EndIf
  Return $GUI_RUNDEFMSG
EndFunc   ;==>WM_NOTIFY

Good luck !

Edited by Nine
added persistence
Posted (edited)

Little modified (tidy,   au3check warrnings etc...)

;~ https://www.autoitscript.com/forum/topic/213654-listview-with-group-why-lvm_enablegroupview-disables-lvs_ex_gridlines/#findComment-1551830

; From Nine
#include <WindowsConstants.au3>
#include <ColorConstants.au3>
#include <GUIConstants.au3>
#include <GuiListView.au3>
#include <WinAPI.au3>

Opt("MustDeclareVars", True)

Example()

Func Example()
    GUICreate("Example")
    Local $idListview = GUICtrlCreateListView("", 10, 10, 350, 200, -1, BitOR($LVS_EX_FULLROWSELECT, $LVS_EX_DOUBLEBUFFER))
    Local $idButton = GUICtrlCreateButton("Test", 10, 220, 70, 20)

    GUISetState()
    GUIRegisterMsg($WM_NOTIFY, WM_NOTIFY)

    _GUICtrlListView_AddColumn($idListview, "Column 1", 100)
    _GUICtrlListView_AddColumn($idListview, "Column 2", 100)
    _GUICtrlListView_AddColumn($idListview, "Column 3", 142)

    _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)

    _GUICtrlListView_EnableGroupView($idListview)
    _GUICtrlListView_InsertGroup($idListview, -1, 1, "Group 1")
    _GUICtrlListView_InsertGroup($idListview, -1, 2, "Group 2")
    _GUICtrlListView_SetItemGroupID($idListview, 0, 1)
    _GUICtrlListView_SetItemGroupID($idListview, 1, 2)
    _GUICtrlListView_SetItemGroupID($idListview, 2, 2)

    While True
        Switch GUIGetMsg()
            Case $GUI_EVENT_CLOSE
                ExitLoop
            Case $idButton
                ConsoleWrite("Test button clicked" & @CRLF)
        EndSwitch
    WEnd
EndFunc   ;==>Example

Func WM_NOTIFY($hWnd, $iMsg, $wParam, $lParam)
    #forceref $hWnd, $iMsg, $wParam
    Local $tItem = DllStructCreate($tagNMLVCUSTOMDRAW, $lParam)
    If _WinAPI_GetClassName($tItem.hWndFrom) = "SysListView32" And $tItem.Code = $NM_CUSTOMDRAW And $tItem.dwItemSpec >= 0 Then
        Local $tRect = DllStructCreate($tagRECT, DllStructGetPtr($tItem, "left"))
        Local $hPen
        Local $hBrush
        If $tItem.dwItemType = $LVCDI_GROUP Then
            If $tItem.dwDrawStage = $CDDS_PREPAINT Then
                $tRect.bottom = $tRect.top + 15
                $hBrush = _WinAPI_CreateSolidBrush($COLOR_BLACK)
                _WinAPI_FillRect($tItem.hDC, $tRect, $hBrush)
                _WinAPI_DeleteObject($hBrush)
                $hPen = _WinAPI_CreatePen($PS_SOLID, 1, _WinAPI_SwitchColor($COLOR_RED))
                _WinAPI_SelectObject($tItem.hDC, $hPen)
                _WinAPI_DrawLine($tItem.hDC, $tRect.left + 5, $tRect.top + 8, $tRect.right - 5, $tRect.top + 8)
                _WinAPI_DeleteObject($hPen)

                _WinAPI_SetBkColor($tItem.hDC, _WinAPI_SwitchColor($COLOR_LIGHTBLUE))
                _WinAPI_SetBkMode($tItem.hDC, $OPAQUE)
                _WinAPI_SetTextColor($tItem.hDC, _WinAPI_SwitchColor($COLOR_BLUE))
                $tRect.left += 20
                _WinAPI_DrawText($tItem.hDC, "  " & _GUICtrlListView_GetGroupInfo($tItem.hWndFrom, $tItem.dwItemSpec)[0] & "  ", $tRect, $DT_LEFT)
                Return $CDRF_SKIPDEFAULT
            EndIf
        Else
            If $tItem.dwDrawStage = $CDDS_PREPAINT Then Return $CDRF_NOTIFYITEMDRAW
            If $tItem.dwDrawStage = $CDDS_ITEMPREPAINT Then Return $CDRF_NOTIFYSUBITEMDRAW
            Local $bIsSelected = _GUICtrlListView_GetItemState($tItem.hWndFrom, $tItem.dwItemSpec, $LVIS_SELECTED)
            $tRect.top -= 1
            $tRect.bottom += 1
            $hPen = _WinAPI_CreatePen($PS_SOLID, 1, 0xA0A0A0)
            _WinAPI_SelectObject($tItem.hDC, $hPen)
            $hBrush = _WinAPI_CreateSolidBrush($bIsSelected ? _WinAPI_GetSysColor($COLOR_HIGHLIGHT) : 0xFFFFFF)
            _WinAPI_SelectObject($tItem.hDC, $hBrush)
            _WinAPI_Rectangle($tItem.hDC, $tRect)
            _WinAPI_DeleteObject($hPen)
            _WinAPI_DeleteObject($hBrush)
            $tRect.Left += 5
            $tRect.Top += 2
            _WinAPI_SetTextColor($tItem.hDC, $bIsSelected ? 0xFFFFFF : _WinAPI_GetSysColor($COLOR_HIGHLIGHT))
            _WinAPI_SetBkMode($tItem.hDC, $TRANSPARENT)
            _WinAPI_DrawText($tItem.hDC, _GUICtrlListView_GetItemText($tItem.hWndFrom, $tItem.dwItemSpec, $tItem.iSubitem), $tRect, $DT_LEFT)
            Return $CDRF_SKIPDEFAULT
        EndIf
    EndIf
    Return $GUI_RUNDEFMSG
EndFunc   ;==>WM_NOTIFY

 

Edited by mLipok
Nine $tItem.iSubitem fix

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I also encourage you to check awesome @trancexx code:  * Create COM objects from modules without any demand on user to register anything. * Another COM object registering stuffOnHungApp handlerAvoid "AutoIt Error" message box in unknown errors  * HTML editor

winhttp.au3 related : * https://www.autoitscript.com/forum/topic/206771-winhttpau3-download-problem-youre-speaking-plain-http-to-an-ssl-enabled-server-port/

"Homo sum; humani nil a me alienum puto" - Publius Terentius Afer
"Program are meant to be read by humans and only incidentally for computers and execute" - Donald Knuth, "The Art of Computer Programming"
:naughty:  :ranting:, be  :) and       \\//_.

Anticipating Errors :  "Any program that accepts data from a user must include code to validate that data before sending it to the data store. You cannot rely on the data store, ...., or even your programming language to notify you of problems. You must check every byte entered by your users, making sure that data is the correct type for its field and that required fields are not empty."

Signature last update: 2023-04-24

Posted

@Nine there is issue:
within a given row, all cells have the same content.

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My contribution to others projects or UDF based on  others projects: * _sql.au3 UDF  * POP3.au3 UDF *  RTF Printer - UDF * XML.au3 UDF * ADO.au3 UDF SMTP Mailer UDF * Dual Monitor resolution detection * * 2GUI on Dual Monitor System * _SciLexer.au3 UDF * SciTE - Lexer for console pane

Useful links: * Forum Rules * Forum etiquette *  Forum Information and FAQs * How to post code on the forum * AutoIt Online Documentation * AutoIt Online Beta Documentation * SciTE4AutoIt3 getting started * Convert text blocks to AutoIt code * Games made in Autoit * Programming related sites * Polish AutoIt Tutorial * DllCall Code Generator * 

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OpenOffice/LibreOffice/XLS Related: WriterDemo.au3 * XLS/MDB from scratch with ADOX

IE Related:  * How to use IE.au3  UDF with  AutoIt v3.3.14.x * Why isn't Autoit able to click a Javascript Dialog? * Clicking javascript button with no ID * IE document >> save as MHT file * IETab Switcher (by LarsJ ) * HTML Entities * _IEquerySelectorAll() (by uncommon) * IE in TaskSchedulerIE Embedded Control Versioning (use IE9+ and HTML5 in a GUI) * PDF Related:How to get reference to PDF object embeded in IE * IE on Windows 11

I encourage you to read: * Global Vars * Best Coding Practices * Please explain code used in Help file for several File functions * OOP-like approach in AutoIt * UDF-Spec Questions *  EXAMPLE: How To Catch ConsoleWrite() output to a file or to CMD *

I also encourage you to check awesome @trancexx code:  * Create COM objects from modules without any demand on user to register anything. * Another COM object registering stuffOnHungApp handlerAvoid "AutoIt Error" message box in unknown errors  * HTML editor

winhttp.au3 related : * https://www.autoitscript.com/forum/topic/206771-winhttpau3-download-problem-youre-speaking-plain-http-to-an-ssl-enabled-server-port/

"Homo sum; humani nil a me alienum puto" - Publius Terentius Afer
"Program are meant to be read by humans and only incidentally for computers and execute" - Donald Knuth, "The Art of Computer Programming"
:naughty:  :ranting:, be  :) and       \\//_.

Anticipating Errors :  "Any program that accepts data from a user must include code to validate that data before sending it to the data store. You cannot rely on the data store, ...., or even your programming language to notify you of problems. You must check every byte entered by your users, making sure that data is the correct type for its field and that required fields are not empty."

Signature last update: 2023-04-24

  • mLipok changed the title to ListView with GROUP: why LVM_ENABLEGROUPVIEW disables LVS_EX_GRIDLINES ?
Posted (edited)
1 hour ago, mLipok said:

all cells have the same content

You are right.  I was concentrated to the functionality and did not notice that. It's a small typo :

_WinAPI_DrawText($tItem.hDC, _GUICtrlListView_GetItemText($tItem.hWndFrom, $tItem.dwItemSpec, $tItem.iSubitem), $tRect, $DT_LEFT)

iSubitem instead of subitem...

ps. I corrected my code above

Edited by Nine
Posted

my mod corrected too.
Thanks

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

My contribution (my own projects): * Debenu Quick PDF Library - UDF * Debenu PDF Viewer SDK - UDF * Acrobat Reader - ActiveX Viewer * UDF for PDFCreator v1.x.x * XZip - UDF * AppCompatFlags UDF * CrowdinAPI UDF * _WinMergeCompare2Files() * _JavaExceptionAdd() * _IsBeta() * Writing DPI Awareness App - workaround * _AutoIt_RequiredVersion() * Chilkatsoft.au3 UDF * TeamViewer.au3 UDF * JavaManagement UDF * VIES over SOAP * WinSCP UDF * GHAPI UDF - modest begining - comunication with GitHub REST APIErrorLog.au3 UDF - A logging Library * Include Dependency Tree (Tool for analyzing script relations) * Show_Macro_Values.au3 *

 

My contribution to others projects or UDF based on  others projects: * _sql.au3 UDF  * POP3.au3 UDF *  RTF Printer - UDF * XML.au3 UDF * ADO.au3 UDF SMTP Mailer UDF * Dual Monitor resolution detection * * 2GUI on Dual Monitor System * _SciLexer.au3 UDF * SciTE - Lexer for console pane

Useful links: * Forum Rules * Forum etiquette *  Forum Information and FAQs * How to post code on the forum * AutoIt Online Documentation * AutoIt Online Beta Documentation * SciTE4AutoIt3 getting started * Convert text blocks to AutoIt code * Games made in Autoit * Programming related sites * Polish AutoIt Tutorial * DllCall Code Generator * 

Wiki: Expand your knowledge - AutoIt Wiki * Collection of User Defined Functions * How to use HelpFile * Good coding practices in AutoIt * 

OpenOffice/LibreOffice/XLS Related: WriterDemo.au3 * XLS/MDB from scratch with ADOX

IE Related:  * How to use IE.au3  UDF with  AutoIt v3.3.14.x * Why isn't Autoit able to click a Javascript Dialog? * Clicking javascript button with no ID * IE document >> save as MHT file * IETab Switcher (by LarsJ ) * HTML Entities * _IEquerySelectorAll() (by uncommon) * IE in TaskSchedulerIE Embedded Control Versioning (use IE9+ and HTML5 in a GUI) * PDF Related:How to get reference to PDF object embeded in IE * IE on Windows 11

I encourage you to read: * Global Vars * Best Coding Practices * Please explain code used in Help file for several File functions * OOP-like approach in AutoIt * UDF-Spec Questions *  EXAMPLE: How To Catch ConsoleWrite() output to a file or to CMD *

I also encourage you to check awesome @trancexx code:  * Create COM objects from modules without any demand on user to register anything. * Another COM object registering stuffOnHungApp handlerAvoid "AutoIt Error" message box in unknown errors  * HTML editor

winhttp.au3 related : * https://www.autoitscript.com/forum/topic/206771-winhttpau3-download-problem-youre-speaking-plain-http-to-an-ssl-enabled-server-port/

"Homo sum; humani nil a me alienum puto" - Publius Terentius Afer
"Program are meant to be read by humans and only incidentally for computers and execute" - Donald Knuth, "The Art of Computer Programming"
:naughty:  :ranting:, be  :) and       \\//_.

Anticipating Errors :  "Any program that accepts data from a user must include code to validate that data before sending it to the data store. You cannot rely on the data store, ...., or even your programming language to notify you of problems. You must check every byte entered by your users, making sure that data is the correct type for its field and that required fields are not empty."

Signature last update: 2023-04-24

Posted

Modified example:

  1. refactoring for better performance with Local Static
  2. "Enable/Disable GroupView" button to check both scenario
;~ https://www.autoitscript.com/forum/topic/213654-listview-with-group-why-lvm_enablegroupview-disables-lvs_ex_gridlines/#findComment-1551830

; From Nine
#include <WindowsConstants.au3>
#include <ColorConstants.au3>
#include <GUIConstants.au3>
#include <GuiListView.au3>
#include <WinAPI.au3>

Opt("MustDeclareVars", True)

Example()

Func Example()
    GUICreate("Example")
    Local $idListview = GUICtrlCreateListView("", 10, 10, 350, 200, -1, BitOR($LVS_EX_FULLROWSELECT, $LVS_EX_DOUBLEBUFFER))
    Local $idButton = GUICtrlCreateButton("Enable/Disable GroupView", 10, 220, 200, 20)

    GUISetState()
    GUIRegisterMsg($WM_NOTIFY, WM_NOTIFY)

    _GUICtrlListView_AddColumn($idListview, "Column 1", 100)
    _GUICtrlListView_AddColumn($idListview, "Column 2", 100)
    _GUICtrlListView_AddColumn($idListview, "Column 3", 142)

    _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)

    _GUICtrlListView_EnableGroupView($idListview, True)
    _GUICtrlListView_InsertGroup($idListview, -1, 1, "Group 1")
    _GUICtrlListView_InsertGroup($idListview, -1, 2, "Group 2")
    _GUICtrlListView_SetItemGroupID($idListview, 0, 1)
    _GUICtrlListView_SetItemGroupID($idListview, 1, 2)
    _GUICtrlListView_SetItemGroupID($idListview, 2, 2)

    While True
        Switch GUIGetMsg()
            Case $GUI_EVENT_CLOSE
                ExitLoop
            Case $idButton
                _GUICtrlListView_EnableGroupView($idListview, Not _GUICtrlListView_GetGroupViewEnabled($idListview))
                ConsoleWrite("Test button clicked" & @CRLF)
        EndSwitch
    WEnd
EndFunc   ;==>Example

Func WM_NOTIFY($hWnd, $iMsg, $wParam, $lParam)
    #forceref $hWnd, $iMsg, $wParam
    Local $tItem = DllStructCreate($tagNMLVCUSTOMDRAW, $lParam)
    If _WinAPI_GetClassName($tItem.hWndFrom) = "SysListView32" And $tItem.Code = $NM_CUSTOMDRAW And $tItem.dwItemSpec >= 0 Then
        Local $tRect = DllStructCreate($tagRECT, DllStructGetPtr($tItem, "left"))
        Local Static $clrHighlight = _WinAPI_GetSysColor($COLOR_HIGHLIGHT)
        Local Static $clrBack = _WinAPI_SwitchColor($COLOR_LIGHTBLUE)
        Local Static $clrText = _WinAPI_SwitchColor($COLOR_BLUE)
        Local Static $hPenGroup = _WinAPI_CreatePen($PS_SOLID, 1, _WinAPI_SwitchColor($COLOR_RED))
        Local Static $hPenItem = _WinAPI_CreatePen($PS_SOLID, 1, _WinAPI_SwitchColor($COLOR_RED))
        Local Static $hBrushGroup = _WinAPI_CreateSolidBrush($COLOR_BLACK)
        Local Static $hBrushItem_Selected = _WinAPI_CreateSolidBrush($clrHighlight)
        Local Static $hBrushItem_Unselected = _WinAPI_CreateSolidBrush(0xFFFFFF)
        If $tItem.dwItemType = $LVCDI_GROUP Then
            If $tItem.dwDrawStage = $CDDS_PREPAINT Then
                $tRect.bottom = $tRect.top + 15
                _WinAPI_FillRect($tItem.hDC, $tRect, $hBrushGroup)
                _WinAPI_SelectObject($tItem.hDC, $hPenGroup)
                _WinAPI_DrawLine($tItem.hDC, $tRect.left + 5, $tRect.top + 8, $tRect.right - 5, $tRect.top + 8)

                _WinAPI_SetBkColor($tItem.hDC, $clrBack)
                _WinAPI_SetBkMode($tItem.hDC, $OPAQUE)
                _WinAPI_SetTextColor($tItem.hDC, $clrText)
                $tRect.left += 20
                _WinAPI_DrawText($tItem.hDC, "  " & _GUICtrlListView_GetGroupInfo($tItem.hWndFrom, $tItem.dwItemSpec)[0] & "  ", $tRect, $DT_LEFT)
                Return $CDRF_SKIPDEFAULT
            EndIf
        Else
            If $tItem.dwDrawStage = $CDDS_PREPAINT Then Return $CDRF_NOTIFYITEMDRAW
            If $tItem.dwDrawStage = $CDDS_ITEMPREPAINT Then Return $CDRF_NOTIFYSUBITEMDRAW
            Local $bIsSelected = _GUICtrlListView_GetItemState($tItem.hWndFrom, $tItem.dwItemSpec, $LVIS_SELECTED)
            $tRect.top -= 1
            $tRect.bottom += 1
            _WinAPI_SelectObject($tItem.hDC, $hPenItem)
            If $bIsSelected Then
                _WinAPI_SelectObject($tItem.hDC, $hBrushItem_Selected)
            Else
                _WinAPI_SelectObject($tItem.hDC, $hBrushItem_Unselected)
            EndIf
            _WinAPI_Rectangle($tItem.hDC, $tRect)
            $tRect.Left += 5
            $tRect.Top += 2
            _WinAPI_SetTextColor($tItem.hDC, $bIsSelected ? 0xFFFFFF : $clrHighlight)
            _WinAPI_SetBkMode($tItem.hDC, $TRANSPARENT)
            _WinAPI_DrawText($tItem.hDC, _GUICtrlListView_GetItemText($tItem.hWndFrom, $tItem.dwItemSpec, $tItem.iSubitem), $tRect, $DT_LEFT)
            Return $CDRF_SKIPDEFAULT
        EndIf
    EndIf
    Return $GUI_RUNDEFMSG
EndFunc   ;==>WM_NOTIFY

 

Please take a look on the example when GROUP is disabled you will notice the first row top border is invisible.

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My contribution to others projects or UDF based on  others projects: * _sql.au3 UDF  * POP3.au3 UDF *  RTF Printer - UDF * XML.au3 UDF * ADO.au3 UDF SMTP Mailer UDF * Dual Monitor resolution detection * * 2GUI on Dual Monitor System * _SciLexer.au3 UDF * SciTE - Lexer for console pane

Useful links: * Forum Rules * Forum etiquette *  Forum Information and FAQs * How to post code on the forum * AutoIt Online Documentation * AutoIt Online Beta Documentation * SciTE4AutoIt3 getting started * Convert text blocks to AutoIt code * Games made in Autoit * Programming related sites * Polish AutoIt Tutorial * DllCall Code Generator * 

Wiki: Expand your knowledge - AutoIt Wiki * Collection of User Defined Functions * How to use HelpFile * Good coding practices in AutoIt * 

OpenOffice/LibreOffice/XLS Related: WriterDemo.au3 * XLS/MDB from scratch with ADOX

IE Related:  * How to use IE.au3  UDF with  AutoIt v3.3.14.x * Why isn't Autoit able to click a Javascript Dialog? * Clicking javascript button with no ID * IE document >> save as MHT file * IETab Switcher (by LarsJ ) * HTML Entities * _IEquerySelectorAll() (by uncommon) * IE in TaskSchedulerIE Embedded Control Versioning (use IE9+ and HTML5 in a GUI) * PDF Related:How to get reference to PDF object embeded in IE * IE on Windows 11

I encourage you to read: * Global Vars * Best Coding Practices * Please explain code used in Help file for several File functions * OOP-like approach in AutoIt * UDF-Spec Questions *  EXAMPLE: How To Catch ConsoleWrite() output to a file or to CMD *

I also encourage you to check awesome @trancexx code:  * Create COM objects from modules without any demand on user to register anything. * Another COM object registering stuffOnHungApp handlerAvoid "AutoIt Error" message box in unknown errors  * HTML editor

winhttp.au3 related : * https://www.autoitscript.com/forum/topic/206771-winhttpau3-download-problem-youre-speaking-plain-http-to-an-ssl-enabled-server-port/

"Homo sum; humani nil a me alienum puto" - Publius Terentius Afer
"Program are meant to be read by humans and only incidentally for computers and execute" - Donald Knuth, "The Art of Computer Programming"
:naughty:  :ranting:, be  :) and       \\//_.

Anticipating Errors :  "Any program that accepts data from a user must include code to validate that data before sending it to the data store. You cannot rely on the data store, ...., or even your programming language to notify you of problems. You must check every byte entered by your users, making sure that data is the correct type for its field and that required fields are not empty."

Signature last update: 2023-04-24

Posted
8 minutes ago, mLipok said:

Please take a look on the example when GROUP is disabled you will notice the first row top border is invisible.

To fix this I had to comment 

$tRect.top -= 1

 

Signature beginning:
Please remember: "AutoIt"..... *  Wondering who uses AutoIt and what it can be used for ? * Forum Rules *
ADO.au3 UDF * POP3.au3 UDF * XML.au3 UDF * IE on Windows 11 * How to ask ChatGPT for AutoIt Codefor other useful stuff click the following button:

Spoiler

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

My contribution (my own projects): * Debenu Quick PDF Library - UDF * Debenu PDF Viewer SDK - UDF * Acrobat Reader - ActiveX Viewer * UDF for PDFCreator v1.x.x * XZip - UDF * AppCompatFlags UDF * CrowdinAPI UDF * _WinMergeCompare2Files() * _JavaExceptionAdd() * _IsBeta() * Writing DPI Awareness App - workaround * _AutoIt_RequiredVersion() * Chilkatsoft.au3 UDF * TeamViewer.au3 UDF * JavaManagement UDF * VIES over SOAP * WinSCP UDF * GHAPI UDF - modest begining - comunication with GitHub REST APIErrorLog.au3 UDF - A logging Library * Include Dependency Tree (Tool for analyzing script relations) * Show_Macro_Values.au3 *

 

My contribution to others projects or UDF based on  others projects: * _sql.au3 UDF  * POP3.au3 UDF *  RTF Printer - UDF * XML.au3 UDF * ADO.au3 UDF SMTP Mailer UDF * Dual Monitor resolution detection * * 2GUI on Dual Monitor System * _SciLexer.au3 UDF * SciTE - Lexer for console pane

Useful links: * Forum Rules * Forum etiquette *  Forum Information and FAQs * How to post code on the forum * AutoIt Online Documentation * AutoIt Online Beta Documentation * SciTE4AutoIt3 getting started * Convert text blocks to AutoIt code * Games made in Autoit * Programming related sites * Polish AutoIt Tutorial * DllCall Code Generator * 

Wiki: Expand your knowledge - AutoIt Wiki * Collection of User Defined Functions * How to use HelpFile * Good coding practices in AutoIt * 

OpenOffice/LibreOffice/XLS Related: WriterDemo.au3 * XLS/MDB from scratch with ADOX

IE Related:  * How to use IE.au3  UDF with  AutoIt v3.3.14.x * Why isn't Autoit able to click a Javascript Dialog? * Clicking javascript button with no ID * IE document >> save as MHT file * IETab Switcher (by LarsJ ) * HTML Entities * _IEquerySelectorAll() (by uncommon) * IE in TaskSchedulerIE Embedded Control Versioning (use IE9+ and HTML5 in a GUI) * PDF Related:How to get reference to PDF object embeded in IE * IE on Windows 11

I encourage you to read: * Global Vars * Best Coding Practices * Please explain code used in Help file for several File functions * OOP-like approach in AutoIt * UDF-Spec Questions *  EXAMPLE: How To Catch ConsoleWrite() output to a file or to CMD *

I also encourage you to check awesome @trancexx code:  * Create COM objects from modules without any demand on user to register anything. * Another COM object registering stuffOnHungApp handlerAvoid "AutoIt Error" message box in unknown errors  * HTML editor

winhttp.au3 related : * https://www.autoitscript.com/forum/topic/206771-winhttpau3-download-problem-youre-speaking-plain-http-to-an-ssl-enabled-server-port/

"Homo sum; humani nil a me alienum puto" - Publius Terentius Afer
"Program are meant to be read by humans and only incidentally for computers and execute" - Donald Knuth, "The Art of Computer Programming"
:naughty:  :ranting:, be  :) and       \\//_.

Anticipating Errors :  "Any program that accepts data from a user must include code to validate that data before sending it to the data store. You cannot rely on the data store, ...., or even your programming language to notify you of problems. You must check every byte entered by your users, making sure that data is the correct type for its field and that required fields are not empty."

Signature last update: 2023-04-24

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