righthand.c

   1 #include <windows.h>
   2
   3 int main() {
   4     DWORD dwZero = 0;
   5         HKEY hkMouse;
   6
   7         SwapMouseButton(FALSE);
   8         if (!RegCreateKeyEx(HKEY_CURRENT_USER, "Control Panel\\Mouse", 0, NULL,
   9                                                 0, KEY_SET_VALUE, NULL, &hkMouse, NULL))
  10                 RegSetValueEx(hkMouse, "SwapMouseButtons", 0, REG_DWORD, (LPBYTE)&dwZero, sizeof(DWORD));
  11 }