[英]How to display a MFC dialog from a console application in C++?
I have a simple MFC dialog. 我有一个简单的MFC对话框。
class CMessageBoxWithCustomTextDlg : public CDialogEx
{
// Construction
public:
CMessageBoxWithCustomTextDlg(CWnd* pParent = NULL); // standard constructor
__declspec(dllexport) void SetData(std::string& data);
// Dialog Data
enum { IDD = IDD_MESSAGEBOXWITHCUSTOMTEXT_DIALOG };
protected:
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support
// Implementation
protected:
HICON m_hIcon;
// Generated message map functions
virtual BOOL OnInitDialog();
afx_msg void OnPaint();
afx_msg HCURSOR OnQueryDragIcon();
DECLARE_MESSAGE_MAP()
public:
afx_msg void OnBnClickedShowMessagebox();
};
I would like to export it as dll and call it from a simple console application. 我想将其导出为dll并从一个简单的控制台应用程序中调用它。 Is it possible? 可能吗?
It is possible; 有可能的; here is how I did it: For your console application have it be simply this: 这是我的操作方式:对于您的控制台应用程序,它就是这样:
#include <Windows.h>
typedef void (*EntryFunc)();
int main()
{
HMODULE hMod = LoadLibrary(L"MFCDll.dll");
EntryFunc func = (EntryFunc)GetProcAddress(hMod, "entrypoint");
func();
}
The name of the DLL is MFCDll.dll and there is an exported function called entrypoint in that DLL. 该DLL的名称为MFCDll.dll,并且该DLL中有一个称为入口点的导出函数。
For the DLL I created a New MFC DLL project. 对于DLL,我创建了一个新的MFC DLL项目。 And other than the dialog code and the dialog in the resources add this code: 除了对话框代码和资源中的对话框之外,还添加以下代码:
extern "C" __declspec(dllexport) void entrypoint()
{
AFX_MANAGE_STATE(AfxGetStaticModuleState());
CMessageBoxWithCustomTextDlg dlg;
dlg.DoModal();
}
And the console program will load the DLL, call into the DLL and the dialog shows. 控制台程序将加载DLL,调用DLL,并显示对话框。
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