# Function Reference

# _GUICtrlListView_GetGroupInfo

Retrieves group information

#include <GuiListView.au3>
_GUICtrlListView_GetGroupInfo ( $hWnd, $iGroupID )

## Parameters

$hWnd | Control ID/Handle to the control
$iGroupID | ID that specifies the group whose information is retrieved

## Return Value

Success: Returns an array with the following format:
[0] - Header text
[1] - Header alignment:
0 - Left
1 - Center
2 - Right
Failure: Returns 1D array with 2 elements ["",0] and sets the @error flag to 1.

## Related

_GUICtrlListView_GetGroupInfoByIndex, _GUICtrlListView_SetGroupInfo

## See Also

Search LVM_GETGROUPINFO in MSDN Library.

## Example

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

    Example()

    Func Example()
        GUICreate("ListView Get/Set Group Info (v" & @AutoItVersion & ")", 400, 300)

        Local $idListview = GUICtrlCreateListView("", 2, 2, 394, 268)
        GUISetState(@SW_SHOW)

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

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

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

        ; Add items
        _GUICtrlListView_AddItem($idListview, "Row 0: Col 0", 0)
        _GUICtrlListView_AddSubItem($idListview, 0, "Row 0: Col 1", 1)
        _GUICtrlListView_AddSubItem($idListview, 0, "Row 0: Col 2", 2)
        _GUICtrlListView_AddItem($idListview, "Row 1: Col 0", 1)
        _GUICtrlListView_AddSubItem($idListview, 1, "Row 1: Col 1", 1)
        _GUICtrlListView_AddItem($idListview, "Row 2: Col 0", 2)

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

        ; Change group information
        Local $aInfo = _GUICtrlListView_GetGroupInfo($idListview, 1)
        MsgBox($MB_SYSTEMMODAL, "Information", "Group 1 Text: " & $aInfo[0])
        _GUICtrlListView_SetGroupInfo($idListview, 1, "New Group 1")

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

        GUIDelete()
    EndFunc   ;==>Example