of.nMaxFile = sizeof(filename);
of.lpstrFileTitle = NULL;
of.lpstrInitialDir = NULL;
of.lpstrTitle = "Select session log file";
of.Flags = 0;
if (GetSaveFileName(&of)) {
of.nMaxFile = sizeof(filename);
of.lpstrFileTitle = NULL;
of.lpstrInitialDir = NULL;
of.lpstrTitle = "Select session log file";
of.Flags = 0;
if (GetSaveFileName(&of)) {