WinCE Stack 异常

 1 // 消息发送处消息打包与发送的过程  
 2 COPYDATASTRUCT cs;  
 3 FilesList FileInfo;   // 待发送的数据,为一结构体,大小为 2624 字节  
 4   
 5 // 给结构体 FileInfo + cs 赋值  
 6 ......  
 7 cs.lpData = &FileInfo;  
 8   
 9 // 消息发送  
10 if(NULL != hServer)  
11 {  
12   ::SendMessage(hServer,WM_COPYDATA,256,(LPARAM)&cs);  
13 }  
14   
15 if(NULL != hClient)  
16 {  
17   ::SendMessage(hClient,WM_COPYDATA,126,(LPARAM)&cs);  
18 }  
19   
20 // Server 消息接收  
21 LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)  
22 {  
23   ......  
24     
25   switch (message)   
26   {  
27     case WM_COPYDATA:  
28       // Leo 出错时下面这句 LOG 有输入: [Agent]WndProc - message received from test app: 0x4A(256,738496)  
29       RETAILMSG(1,(L"[Client]%s - message received from server: 0x%X(%d,%d)\r\n",CString(__FUNCTION__),message,wParam,lParam));  
30       {  
31         if(TRUE == ProcessMsgRcved(message,wParam,lParam))  
32         {  
33           ......  
34         }  
35         else  
36         {  
37           ......  
38         }  
39       }  
40       break;  
41       ......  
42       default:  
43           return DefWindowProc(hWnd, message, wParam, lParam);  
44     }  
45     return 0;  
46 }  
47   
48 BOOL ProcessMsgRcved(UINT message,WPARAM wParam,LPARAM lParam)  
49 {  
50   BOOL bRet = TRUE;  
51   
52   switch(message)  
53   {  
54   case WM_COPYDATA:  
55     {  
56       COPYDATASTRUCT *pCs = (COPYDATASTRUCT *)lParam;  
57       // 由 LOG: [Agent]WndProc - message received from test app: 0x4A(256,738496) 知 pCs 不为空。  
58       if(NULL != pCs)  
59       {  
60         // Leo 出错时没有下面这句 LOG 输入  
61         // 按程序正常的流程，应该走到此句 LOG 才对！  
62         RETAILMSG(1,(L"[Server]WM_COPYDATA - %d,%d,0x%X\r\n",pCs->dwData,pCs->cbData,pCs->lpData));  
63           
64         ......  
65       }  
66     }  
67   }  
68 }