Mine

	.if uMsg==WM_CREATE
		mov ecx, 0CH; i = 12
		PUSH EAX
                XOR EAX, EAX
	LOOP:
		MOV EAX, 30000
		ADD EAX, ECX

		CreateWindow, ADDR ChildClassName, NULL,\
        	WS_CHILDWINDOW + WS_VISIBLE,\
        	CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,\
        	hWnd, EAX, hInst, NULL

		DEC ECX
		JNZ LOOP
                POP EAX