can't convert para from"void(...)" to "void(__stdcall *)(...)" 该怎么改呢？

[zhyzhx_cn]

STDMETHODIMP CProcess::QueryData()
{CreateSocketWnd();
SetTimer(m_hWnd,1,500,TimerProc);}

BOOL CProcess::CreateSocketWnd()
{
WNDCLASS wc;
BOOL rt = FALSE;
HINSTANCE hins = _Module.m_hInst;//AfxGetInstanceHandle();
wc.style = 0;
wc.lpfnWndProc = (WNDPROC)TimerProc;
wc.cbClsExtra = 0;
wc.cbWndExtra = 0;
wc.hInstance = hins;
wc.hIcon = NULL;
wc.hCursor = NULL;
wc.hbrBackground = NULL;
wc.lpszMenuName = NULL;
wc.lpszClassName = "SocketdllWClass";
if(RegisterClass(&wc))
{
m_hWnd = CreateWindow( "SocketdllWClass", "Socket Notification Sink",
WS_OVERLAPPED,0, 0, 0, 0, NULL, NULL, hins, NULL);
if(m_hWnd)rt = TRUE;
}
return rt;
}

BOOL CALLBACK CProcess::TimerProc(HWND hwnd, UINT uMsg, UINT_PTR idEvent, DWORD dwTime)
{ switch(idEvent)
{
case WM_TIMER:
{ CheckDB();
break;
}
default: break;
}
return DefWindowProc(hDlg, uMsg, wParam, lParam);
}


can't convert para from"void(...)" to "void(__stdcall *)(...)" 该怎么改呢？

[azuo_lee]

你可真是个牛人，用TimerProc作WindowProc？？？
那你最后在TimerProc中调用DefWindowProc时的hDlg、wParam从哪里来的？
硬要将“TimerProc”作WindowProc也不是不可以，可你又为什么用它来SetTimer？
简直是乱七八糟。

[quengzi]

kk

[zhyzhx_cn]

to azuo_lee():那你说在COM中怎么实现定时器啊？不支持MFC的啊

[azuo_lee]

STDMETHODIMP CProcess::QueryData()
{
if(CreateSocketWnd())
SetTimer(m_hWnd, 1, 500, NULL);
}

// Maybe you also need another member function like this:
//STDMETHODIMP CProcess::EndQueryData()
//{
// if(IsWindow(m_hWnd)
// {
// KillTimer(m_hWnd, 1);
// DestroyWindow(m_hWnd); // we call DestroyWindow directlly
// // instead of posting a WM_CLOSE message
// // since our window is quite a simple one
// }
//}

// NOTE: following function must be a STATIC member
LRESULT CALLBACK CProcess::TimerWndProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
switch(uMsg)
{
case WM_TIMER:
CheckDB(); // this must also be a static member. otherwise,
// we have to use some other technique to obtain
// "this" pointer
break;
// we need not process WM_DESTROY message, because the thread won't
// terminate even if the window is destroied.
default:
return DefWindowProc(hwnd, uMsg, wParam, lParam);
}
return 0;
}

BOOL CProcess::CreateSocketWnd()
{
BOOL rt = FALSE;
HINSTANCE hins = _Module.m_hInst;//AfxGetInstanceHandle();

WNDCLASS wc;
wc.style = 0;
wc.lpfnWndProc = TimerWndProc;
wc.cbClsExtra = 0;
wc.cbWndExtra = 0;
wc.hInstance = hins;
wc.hIcon = NULL;
wc.hCursor = NULL;
wc.hbrBackground = NULL;
wc.lpszMenuName = NULL;
wc.lpszClassName = "SocketdllWClass";

if(RegisterClass(&wc))
{
m_hWnd = CreateWindow( "SocketdllWClass", "Socket Notification Sink",
WS_OVERLAPPED,0, 0, 0, 0, NULL, NULL, hins, NULL);
if(m_hWnd)
rt = TRUE;
}
return rt;
}

呵呵，随手写来，我不知道这代码能不能工作。祝你好运。

[zhyzhx_cn]

to azuo_lee():~-~，谢谢你，你也不会说女孩不行，呵呵

[zhyzhx_cn]

可是SetTimer(m_hWnd, 1, 500, NULL);第四个参数为NULL对吗？？？

[zhyzhx_cn]

为NULL的话，就不能进到我的TimerWndProc去执行啊

[azuo_lee]

啊？你是女的？sorry……

SetTimer最后一个参数为NULL没有问题，WM_TIMER会发送到WindowProc中去。
别忘了，TimerWndProc是作为WindowProc注册给Window class的。
可能WindowProc叫TimerWndProc不太恰当，叫做SocketWndProc可能更好。

我还是不能保证我的代码能工作，因为细节问题有很多，比如CheckDB到底是不是静态函数？

[zhyzhx_cn]

呵呵，干嘛要say sorry啊？女孩也一样啊，~-~

我的CheckDB是一个DLL提供的

[zhyzhx_cn]

我不能执行我的TimerWndProc啊

[azuo_lee]

TimerWndProc不是让你执行的。那是Windows在适当的时候调用的。

OK，不能帮你了，我要走了。

[zhyzhx_cn]

哦，好吧，谢谢你了，不好意思，麻烦了你这么久，~-~

[sizhi]

男人和女人,
哎...

[snowedforest]

太幸福了。 :)

[richi_]

azuo_lee()真是热心肠啊！
要是我早就走了。