CAutoComplete::CAutoComplete()
{
enabled = TRUE;
+ initialized = FALSE;
options = ACO_AUTOAPPEND;
wpOrigEditProc = NULL;
hwndListBox = NULL;
if (options & ACO_RTLREADING)
FIXME(" ACO_RTLREADING not supported\n");
- hwndEdit = hwndEdit;
+ if (!hwndEdit || !punkACL)
+ return E_INVALIDARG;
+
+ if (this->initialized)
+ {
+ WARN("Autocompletion object is already initialized\n");
+ /* This->hwndEdit is set to NULL when the edit window is destroyed. */
+ return this->hwndEdit ? E_FAIL : E_UNEXPECTED;
+ }
if (!SUCCEEDED (punkACL->QueryInterface(IID_IEnumString, (LPVOID *)&enumstr)))
{
return E_NOINTERFACE;
}
+ this->hwndEdit = hwndEdit;
+ this->initialized = TRUE;
wpOrigEditProc = (WNDPROC)SetWindowLongPtrW(hwndEdit, GWLP_WNDPROC, (LONG_PTR) ACEditSubclassProc);
SetWindowLongPtrW(hwndEdit, GWLP_USERDATA, (LONG_PTR)this);