Visual Basic Programming Code Examples

Find an item in a listview The following function can be used to find an item in a listview. Option Explicit '---Possible values for lFindType (must be declared in a Standard Module) Public Const LVM_FIRST = &H1000, LVM_FINDITEM = (LVM_FIRST + 13) Public Const LVFI_PARAM = &H1, LVFI_STRING = &H2 Public Const LVFI_PARTIAL = &H8, LVFI_WRAP = &H20 Public Const LVFI_NEARESTXY = &H40 Private Type POINTAPI x As Long y As Long End Type Private Type LVFINDINFO flags As Long psz As String lParam As Long pt As POINTAPI vkDirection As Long End Type Private Declare Function SendMessage Lib "user32" Alias "SendMessageA" (ByVal hwnd As Long, ByVal wMsg As Long, ByVal wParam As Long, lParam As Any) As Long 'Purpose : Find/Search for an item in a listview. 'Inputs : lLvHwnd The handle to the listview. ' sItem The item to search for. ' [lFindType] The type of search to carry out (See list of "LVFI_" constants in declarations). 'Outputs : Returns the matching listitem. Function ListviewFindItem(lLvFind As ListView, sItem As String, Optional lFindType = LVFI_PARTIAL Or LVFI_WRAP) As ListItem Dim lItemIndex As Long, tListviewFind As LVFINDINFO tListviewFind.flags = lFindType tListviewFind.psz = sItem lItemIndex = SendMessage(lLvFind.hwnd, LVM_FINDITEM, -1, tListviewFind) If lItemIndex > -1 Then 'Return matching item Set ListviewFindItem = lLvFind.ListItems(lItemIndex + 1) Else 'Found nothing Set ListviewFindItem = Nothing End If End Function