FindWindow is a Win32 API function from user32.dll retrieving a handle to the top-level window whose class name and window name match the specified strings.
Please note that it works in current process only! For global search use EnumWindows and EnumWindowsProc functions.
This function does not search child windows. This function does not perform a case-sensitive search.
To search child windows, beginning with a specified child window, use the FindWindowEx function.