CreateWindowExA

Undocumented in source but is binding to Windows. You might be able to learn more by searching the web for its name.
nothrow extern (Windows)
HWND
CreateWindowExA
(
DWORD
,
LPCSTR
,
LPCSTR
,
DWORD
,
int
,
int
,
int
,
int
,
HWND
,
HMENU
,
HINSTANCE
,
LPVOID
)

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