calling Any one who has worked with Syslistview and API call

if that is you work with external listview it not correct to get listview item like that. you can try this code bellow. you have just start vb project and add 1 button and add this code into you form.

Private Const PROCESS_QUERY_INFORMATION = 1024
Private Const PROCESS_VM_OPERATION = &H8
Private Const PROCESS_VM_READ = &H10
Private Const PROCESS_VM_WRITE = &H20
Private Const STANDARD_RIGHTS_REQUIRED = &HF0000
Private Const MAX_LVMSTRING As Long = 255
Private Const MEM_COMMIT = &H1000
Private Const PAGE_READWRITE = &H4
Private Const LVIF_TEXT As Long = &H1
Private Const MEM_RELEASE = &H8000
Private Const LVM_FIRST = &H1000&
Private Const LVM_GETITEMCOUNT = LVM_FIRST + 4
Private Const LVM_GETITEMTEXT As Long = (LVM_FIRST + 45)
Private Type LV_ITEMA
mask As Long
iItem As Long
iSubItem As Long
state As Long
stateMask As Long
pszText As Long
cchTextMax As Long
iImage As Long
lParam As Long
iIndent As Long
End Type
Private Declare Function OpenProcess Lib “kernel32” (ByVal dwDesiredAccess As Long, ByVal bInheritHandle As Long, ByVal dwProcId As Long) As Long
Private Declare Function VirtualAllocEx Lib “kernel32” (ByVal hProcess As Long, ByVal lpAddress As Long, ByVal dwSize As Long, ByVal flAllocationType As Long, ByVal flProtect As Long) As Long
Private Declare Function VirtualFreeEx Lib “kernel32” (ByVal hProcess As Long, ByVal lpAddress As Long, ByVal dwSize As Long, ByVal dwFreeType As Long) As Long
Private Declare Function WriteProcessMemory Lib “kernel32” (ByVal hProcess As Long, ByVal lpBaseAddress As Any, ByRef lpBuffer As Any, ByVal nSize As Long, lpNumberOfBytesWritten As Long) As Long
Private Declare Function ReadProcessMemory Lib “kernel32” (ByVal hProcess As Long, ByVal lpBaseAddress As Any, ByRef lpBuffer As Any, ByVal nSize As Long, lpNumberOfBytesWritten As Long) As Long
Private Declare Function GetWindowThreadProcessId Lib “user32” (ByVal hwnd As Long, lpdwProcessId As Long) As Long
Private Declare Function SendMessage Lib “user32” Alias “SendMessageA” (ByVal hwnd As Long, ByVal wMsg As Long, ByVal wParam As Long, ByRef lParam As Any) As Long
Private Declare Function CloseHandle Lib “kernel32” (ByVal hObject As Long) As Long
Private Declare Function FindWindow Lib “user32” Alias “FindWindowA” (ByVal lpClassName As String, ByVal lpWindowName As String) As Long
Private Declare Function FindWindowEx Lib “user32” Alias “FindWindowExA” (ByVal hWnd1 As Long, ByVal hWnd2 As Long, ByVal lpsz1 As String, ByVal lpsz2 As String) As Long
Dim mywindowclass As Long, wtlsplitterwindow As Long, atldd As Long
Dim syslistview As Long
Public Function GetListviewItem(ByVal lstviewhwnd As Long) As String
Dim result As Long
Dim myItem As LV_ITEMA
Dim pHandle As Long
Dim pStrBufferMemory As Long
Dim pMyItemMemory As Long
Dim strBuffer() As Byte
Dim index As Long
Dim tmpString, tmp2 As String
Dim strLength As Long
Dim ProcessID As Long
Dim ItemCount, i As Long

‘**********************
‘init the string buffer
‘**********************
ReDim strBuffer(MAX_LVMSTRING)

‘***********************************************************
‘open a handle to the process and allocate the string buffer
‘***********************************************************
Call GetWindowThreadProcessId(lstviewhwnd, ProcessID)
pHandle = OpenProcess(PROCESS_VM_OPERATION Or PROCESS_VM_READ Or PROCESS_VM_WRITE, False, ProcessID)
pStrBufferMemory = VirtualAllocEx(pHandle, 0, MAX_LVMSTRING, MEM_COMMIT, PAGE_READWRITE)

‘************************************************************************************
‘initialize the local LV_ITEM structure
‘The myItem.iSubItem member is set to the index of the column that is being retrieved
‘************************************************************************************
myItem.mask = LVIF_TEXT
myItem.iSubItem = 2 ‘for paltalk only if other else change to 0 because 0 and 1 (hand,mic icon) 2 for nick list
myItem.pszText = pStrBufferMemory
myItem.cchTextMax = MAX_LVMSTRING

‘**********************************************************
‘write the structure into the remote process’s memory space
‘**********************************************************
pMyItemMemory = VirtualAllocEx(pHandle, 0, Len(myItem), MEM_COMMIT, PAGE_READWRITE)
ItemCount = SendMessage(lstviewhwnd, LVM_GETITEMCOUNT, 0&, 0&)

For i = 0 To ItemCount – 1
result = WriteProcessMemory(pHandle, pMyItemMemory, myItem, Len(myItem), 0)

‘*************************************************************
‘send the get the item message and write back the memory space
‘*************************************************************
result = SendMessage(lstviewhwnd, LVM_GETITEMTEXT, i, ByVal pMyItemMemory)
result = ReadProcessMemory(pHandle, pStrBufferMemory, strBuffer(0), MAX_LVMSTRING, 0)
result = ReadProcessMemory(pHandle, pMyItemMemory, myItem, Len(myItem), 0)

‘**************************************************
‘turn the byte array into a string and send it back
‘**************************************************
For index = LBound(strBuffer) To UBound(strBuffer)
If Chr(strBuffer(index)) = vbNullChar Then Exit For
tmpString = tmpString & Chr(strBuffer(index))
tmp2 = tmp2 & Chr(strBuffer(index))
Next index

MsgBox tmp2
tmp2 = “”
tmpString = Trim(tmpString) & vbCr
‘ MsgBox (tmpString)
Next
‘
‘**************************************************
‘deallocate the memory and close the process handle
‘**************************************************
result = VirtualFreeEx(pHandle, pStrBufferMemory, 0, MEM_RELEASE)
result = VirtualFreeEx(pHandle, pMyItemMemory, 0, MEM_RELEASE)

result = CloseHandle(pHandle)

If Len(tmpString) > 0 Then GetListviewItem = tmpString
End Function

Private Sub Command1_Click()
mywindowclass = FindWindow(“my window class”, vbNullString)
wtlsplitterwindow = FindWindowEx(mywindowclass, 0&, “wtl_splitterwindow”, vbNullString)
wtlsplitterwindow = FindWindowEx(wtlsplitterwindow, 0&, “wtl_splitterwindow”, vbNullString)
wtlsplitterwindow = FindWindowEx(wtlsplitterwindow, 0&, “wtl_splitterwindow”, vbNullString)
atldd = FindWindowEx(wtlsplitterwindow, 0&, “atl:0053d8d0”, vbNullString)
syslistview = FindWindowEx(atldd, 0&, “syslistview32”, vbNullString)

Call GetListviewItem(syslistview)
End Sub