The joyConfigChanged function informs the joystick driver that the configuration has changed and should be reloaded from the registry.

More info on joyConfigChanged in Windows Dev Center

Exported by

sizefilenameversion
126056winmm.dll6.3.9600.17415 (winblue_r4.141028-1500)
104960winmm.dll1.0.0.0
88576winmm.dll1.0.0.0

Imported by

sizefilename
126056winmm.dll
288379img.exe