_RegSetValue

DWORD _RegSetValue(HKEY hKey, LPSTR lpszSubKey, DWORD fdwType, 
      LPBYTE lpbData, DWORD cbData)

Sets the value for the given registry key.

• Returns ERROR_SUCCESS if successful; otherwise, one of the error values given in Error Values.

hKey

Handle of a previously opened key or one of the predefined root keys given in Predefined Keys.

lpszSubKey

Address of a null-terminated string specifying the subkey for which to set the value. Can be NULL.

fdwType

Value data type to set. Must be REG_SZ.

lpbData

Address of a buffer that contains the value data to set.

cbData

Size in bytes of the value data buffer (lpbData). Can be zero, in which case, the value length is automatically calculated.