win32汇编console application GetMessage 不能用？

GetMessage返回值：如果函数取得WM_QUIT之外的其他消息，返回非零值。如果函数取得WM_QUIT消息，返回值是零。如果出现了错误，返回值是-1。例如，当hWnd是无效的窗口句柄或lpMsg是无效的指针时。若想获得更多的错误信息，请调用GetLastError函数。

 

.386
.model flat, stdcall
option casemap :none   ; case sensitive

include \masm32\include\windows.inc
include \masm32\include\kernel32.inc
include \masm32\include\user32.inc
include \masm32\include\masm32.inc

includelib\masm32\lib\user32.lib
includelib \masm32\lib\kernel32.lib
includelib \masm32\m32lib\masm32.lib 

.data
dwHandle    HWND    0

.code
start:
            invoke GetModuleHandle,NULL
            mov     dwHandle,eax
            .while TRUE
                    invoke GetMessage,addr dwMsg,addr dwHandle,0,0
                    .break .if eax==-1; the while loop will break at here

                    invoke TranslateMessage,  ADDR dwMsg
                    invoke DispatchMessage,  ADDR dwMsg   
             .endw  
 invoke ExitProcess,0
end start