Appreciate @cHao 's help. :-)
I answered my own question.
void DisplayPos (HWND ConsoleWindow)
{
SetWindowPos (ConsoleWindow, HWND_TOPMOST, 0, 0, 600, 600, SWP_SHOWWINDOW);
}
int main (void)
{
HWND ConsoleWindow = GetConsoleWindow();
DisplayPos (ConsoleWindow);
}