id	summary	reporter	owner	description	type	status	milestone	component	version	severity	resolution	keywords	cc
4090	GUI freezes with Header subclassing in ListView	Nine		"It is a very basic example.  It may takes a little while to get it frozen.  You need to modify the size of the columns repeatedly.  It happens both x86 and x64 but more often with the later.

{{{
#AutoIt3Wrapper_UseX64=y

; From Nine
#include <GuiConstants.au3>
#include <WinAPI.au3>
#include <GuiListView.au3>

Example()

Func Example()
  Local $hGUI = GUICreate(""Header issue"", 500, 300)

  Local $idListView = GUICtrlCreateListView(""Items List|SubItems1|SubItems2"", 10, 10, 480, 280, -1, $LVS_EX_DOUBLEBUFFER)
  Local $hListView = GUICtrlGetHandle($idListView)
  Local $hHeader = GUICtrlSendMsg($idListView, $LVM_GETHEADER, 0, 0)

  Local $hSubClass = DllCallbackRegister(WM_NOTIFY, ""lresult"", ""hwnd;uint;wparam;lparam;uint_ptr;dword_ptr"")
  _WinAPI_SetWindowSubclass($hHeader, DllCallbackGetPtr($hSubClass), 1000)

  For $i = 1 To 5
    GUICtrlCreateListViewItem(""item"" & $i & ""|item"" & $i & ""|item"" & $i , $idListview)
  Next

  GUISetState()

  Do
  Until GUIGetMsg() = $GUI_EVENT_CLOSE

  _WinAPI_RemoveWindowSubclass($hHeader, DllCallbackGetPtr($hSubClass), 1000)
  DllCallbackFree($hSubClass)
EndFunc   ;==>Example

Func WM_NOTIFY($hWnd, $iMsg, $wParam, $lParam, $iID, $pData)
  Return _WinAPI_DefSubclassProc($hWnd, $iMsg, $wParam, $lParam)
EndFunc   ;==>WM_NOTIFY
}}}
"	Bug	new		AutoIt	3.3.18.0	None