Hi
Im trying to debug a Win32 visual program because I have a "invalid pointer crash" but I cannot find it where because stepping over with F10 at a certain point debugging just stops and I cant step ahead anymore.
It blocks at the end of the MainWndProc() loop.
I dont understand why.
Im trying to debug a Win32 visual program because I have a "invalid pointer crash" but I cannot find it where because stepping over with F10 at a certain point debugging just stops and I cant step ahead anymore.
It blocks at the end of the MainWndProc() loop.
I dont understand why.
Code:
LRESULT CALLBACK MainWndProc(HWND hwnd,
UINT uMsg,
WPARAM wParam,
LPARAM lParam)
{
HDC hdc;
PAINTSTRUCT ps;
switch (uMsg)
{
case WM_CREATE:
{
HINSTANCE dllhinst;
HICON hIcon;
HIMAGELIST himgList;
InitCommonControls();
himgList = ImageList_Create(GetSystemMetrics(SM_CXSMICON),
GetSystemMetrics(SM_CYSMICON), ILC_COLOR32, 4, 4);
ImageList_SetBkColor(himgList, GetSysColor(COLOR_WINDOW));
dllhinst = LoadLibrary("shell32.dll");
for (int i = 1; i<50; i++)
{
hIcon = LoadIcon(dllhinst, MAKEINTRESOURCE(i));
ImageList_AddIcon(himgList, hIcon);
}
FreeLibrary(dllhinst);
hTreeView =
CreateWindowEx(WS_EX_CLIENTEDGE, WC_TREEVIEW, "",
WS_CHILD | WS_VISIBLE | TVS_HASLINES |
TVS_LINESATROOT | TVS_HASBUTTONS |
TVS_SHOWSELALWAYS,
0, 0, 190, 320,
hwnd, (HMENU)ID_TREEVIEW, hinst, NULL);
TreeView_SetImageList(hTreeView, himgList, TVSIL_NORMAL);
/// ///// LISTVIEW ////////////////
int r = CreateListView(hwnd);
if (r)
{
ReportError("CreateListView");
return 0;
}
CreateWindowEx(WS_EX_CLIENTEDGE, TEXT("Button"), "Open",
WS_TABSTOP | WS_VISIBLE | WS_CHILD | BS_DEFPUSHBUTTON,
200, 10, 60, 25,
hwnd, (HMENU)ID_OPEN, 0, NULL);
// Create ComboBox
hList = CreateWindow(TEXT("Combobox"),
NULL, WS_CHILD | WS_VISIBLE |
LBS_STANDARD,
360, 10, 160, 325,
hwnd, (HMENU)ID_LIST,
(HINSTANCE)GetWindowLong(hwnd, GWL_HINSTANCE),
NULL);
// Populate ComboBox
FillComboBox(hList);
/// populate treeview
sSqliteFile =
"C:\\Users\\Asus\\AppData\\Roaming\\Mozilla\\Firefox\\Profiles\\rg6g9heo.default-1419956670839\\addons.sqlite";
if (!LoadSqliteFile(0)) ReDrawTreeView(sSqliteFile);
return 0;
}
case WM_COMMAND:
switch (LOWORD(wParam))
{
case ID_OPEN:
if (!LoadSqliteFile(1))
ReDrawTreeView(sSqliteFile);
break;
}
return 0;
case WM_NOTIFY:
{
if (((LPNMHDR)lParam)->idFrom == ID_TREEVIEW)
{
if (((LPNMHDR)lParam)->code == NM_CLICK)
{
/// TreeView_HitTest
/* Get the cursor position for this message */
DWORD dwPos = GetMessagePos();
POINT pt;
pt.x = GET_X_LPARAM(dwPos);
pt.y = GET_Y_LPARAM(dwPos);
//cout << " pt: " << pt.x <<" " << pt.y << endl;
TVHITTESTINFO lpht = { 0 };
ScreenToClient(hTreeView, &pt);
lpht.pt = pt;
TreeView_HitTest(hTreeView, &lpht); //
//cout << " text: " << lpht.hItem << endl;
if (lpht.hItem)
GetTextItemTree(lpht.hItem, sCurrentTable);
/// redraw listwiew with new info
if (sCurrentTable != sSqliteFile)
{
if (!Get_Table_Info(sCurrentTable))
{
SendMessage(hList, CB_RESETCONTENT, 0, 0);
FillComboBox(hList);
SendMessage(hList, CB_SETCURSEL, 0, 0);
RemoveListViewColumns();
AddListViewColumns();
std::thread Column_Info_Thread(Get_Column_Info);
Column_Info_Thread.detach();
}
}
}
}
}
return 0;
case WM_PAINT:
{
hdc = BeginPaint(hwnd, &ps);
TextOut(hdc, 290, 15, "Columns:", 8);
EndPaint(hwnd, &ps);
}
return 0;
case WM_CLOSE:
DestroyWindow(hwnd);
return 0;
case WM_DESTROY:
DisonnectDB();
PostQuitMessage(0);
return 0;
default:
return DefWindowProc(hwnd, uMsg, wParam, lParam);
}
} ---> it blocks here