C++调用C#动态链接库出错，哪位能帮忙解决问题，在这先谢过了！

[xingm]

编写了一个C#的动态链接库，动态链接库里编写了一个主窗体，主窗体上有一个button，点击button，弹出一个OpenDialog对话框，用MFC调用该链接库没有问题，但用C++控制台调用时出错误，显示主窗体没有问题，但点击button时，程序便停滞在那里一直“转圈”，没有弹出OpenDialog对话框。C++控制台调用方法如下：
int _tmain(int argc, _TCHAR argv[])
{
Myspace::MainForm ^mObj = gcnew Myspace:MainForm();
mObj->ShowDialog();
return 0;
}
其中，Myspace是命名空间，MainForm是主窗体，ShowDialog()是MainForm类中的一个函数

[xingm]

在debug模式式运行，点击要求弹出opendialog窗体时，提示“在可以调用OlE之前，必须将当前线程设置为单线程单元(STA)模式....”,使用一般窗体没有问题，我在button点击响应函数内new一个opendialog对话框，运行到ShowDialog（）函数处弹出错误提示

[paschen]

控制台窗口的消息循环归系统管理，你的消息可能得不到处理

[Saleayas]

添加 ::CoInitializeEx(NULL, COINIT_APARTMENTTHREADED); 试试看。 MFC 和 Win32 的不同就是可能添加了这一句。 不是到你的 MainForm 是怎么实现的，Windows.Forms.Form 就没有这个问题。

[赵4老师]

仅供参考：

#pragma comment(lib,"user32")
#include <stdio.h>
#include <time.h>
#include <sys/timeb.h>
#include <windows.h>
char datestr[16];
char timestr[16];
char mss[4];
void log(char *s) {
    struct tm *now;
    struct timeb tb;

    ftime(&tb);
    now=localtime(&tb.time);
    sprintf(datestr,"%04d-%02d-%02d",now->tm_year+1900,now->tm_mon+1,now->tm_mday);
    sprintf(timestr,"%02d:%02d:%02d",now->tm_hour     ,now->tm_min  ,now->tm_sec );
    sprintf(mss,"%03d",tb.millitm);
    printf("%s %s.%s %s",datestr,timestr,mss,s);
}
VOID CALLBACK myTimerProc1(
  HWND hwnd, // handle of window for timer messages
  UINT uMsg, // WM_TIMER message
  UINT idEvent, // timer identifier
  DWORD dwTime // current system time
) {
 log("In myTimerProc1\n");
}
VOID CALLBACK myTimerProc2(
  HWND hwnd, // handle of window for timer messages
  UINT uMsg, // WM_TIMER message
  UINT idEvent, // timer identifier
  DWORD dwTime // current system time
) {
 log("In myTimerProc2\n");
}
int main() {
    int i;
    MSG msg;

    SetTimer(NULL,0,1000,myTimerProc1);
    SetTimer(NULL,0,2000,myTimerProc2);
    for (i=0;i<20;i++) {
        Sleep(500);
        log("In main\n");
        if (GetMessage(&msg,NULL,0,0)) {
            TranslateMessage(&msg);
            DispatchMessage(&msg);
        }

    }
    return 0;
}
//2012-07-26 17:29:06.375 In main
//2012-07-26 17:29:06.875 In myTimerProc1
//2012-07-26 17:29:07.375 In main
//2012-07-26 17:29:07.875 In myTimerProc2
//2012-07-26 17:29:08.375 In main
//2012-07-26 17:29:08.375 In myTimerProc1
//2012-07-26 17:29:08.875 In main
//2012-07-26 17:29:08.875 In myTimerProc1
//2012-07-26 17:29:09.375 In main
//2012-07-26 17:29:09.890 In myTimerProc2
//2012-07-26 17:29:10.390 In main
//2012-07-26 17:29:10.390 In myTimerProc1
//2012-07-26 17:29:10.890 In main
//2012-07-26 17:29:10.890 In myTimerProc1
//2012-07-26 17:29:11.390 In main
//2012-07-26 17:29:11.890 In myTimerProc2
//2012-07-26 17:29:12.390 In main
//2012-07-26 17:29:12.390 In myTimerProc1
//2012-07-26 17:29:12.890 In main
//2012-07-26 17:29:12.890 In myTimerProc1
//2012-07-26 17:29:13.390 In main
//2012-07-26 17:29:13.890 In myTimerProc2
//2012-07-26 17:29:14.390 In main
//2012-07-26 17:29:14.390 In myTimerProc1
//2012-07-26 17:29:14.890 In main
//2012-07-26 17:29:14.890 In myTimerProc1
//2012-07-26 17:29:15.390 In main
//2012-07-26 17:29:15.890 In myTimerProc2
//2012-07-26 17:29:16.390 In main
//2012-07-26 17:29:16.390 In myTimerProc1
//2012-07-26 17:29:16.890 In main
//2012-07-26 17:29:16.890 In myTimerProc1
//2012-07-26 17:29:17.390 In main
//2012-07-26 17:29:17.890 In myTimerProc2
//2012-07-26 17:29:18.390 In main
//2012-07-26 17:29:18.390 In myTimerProc1
//2012-07-26 17:29:18.890 In main
//2012-07-26 17:29:18.890 In myTimerProc1
//2012-07-26 17:29:19.390 In main
//2012-07-26 17:29:19.890 In myTimerProc2

[xingm]

不知道内部何原因，我通过创建一个新线程来处理该事件，便解决了。谢谢各位！