本文主要介绍如何在MFC程序通过调用WPF来使用ActiveReports
1.创建WPF工程
2.创建报表
GrapeCity.ActiveReports.Document.PageDocument document1 = new GrapeCity.ActiveReports.Document.PageDocument(report1);
document1.LocateDataSource += new LocateDataSourceEventHandler(pageDocument_LocateDataSource);
viewer.LoadDocument(document1);
3.建立中间工程BridgeEx
public ref class CHostWPFWnd{public:
CHostWPFWnd(void){};
~CHostWPFWnd(void){};
protected:
!CHostWPFWnd(){};public:
static MainWindow^ hostedWnd;
static HWND hWnd;
static WinSwitch^ hostedWndSwitch;
};HWND GetHwnd(HWND hwnd = NULL);HWND GetSwitchHwnd(HWND hwnd = NULL);
#using "../Debug/WpfActiveReports.dll"void ShowWpfReports(int nType){if(1 == nType) //Error{::GetHwnd();if (CHostWPFWnd::hostedWnd)
{CHostWPFWnd::hostedWnd->DirectShowWindow();}}else if(0 == nType){::GetSwitchHwnd();if (CHostWPFWnd::hostedWndSwitch)
{CHostWPFWnd::hostedWndSwitch->Show();}}}
4.创建MFC程序
void CMainFrame::OnReport()
{// TODO: 在此添加命令处理程序代码
if(NULL == m_hReportNew)
m_hReportNew = LoadLibrary("BridgeEx.dll");
OnShowErrorReport(0);}
程序使用公共运行时编译的dll,使用托管c++调用.net的wpf窗体
在MFC中需要使用前台线程
WindowInteropHelper^ GetInteropHandler(){CHostWPFWnd::hostedWnd = gcnew MainWindow();//CHostWPFWnd::hostedWnd->ClickEvent += gcnew WindowTest::ButtonClickHandler(Add);
WindowInteropHelper^ wih = gcnew WindowInteropHelper(CHostWPFWnd::hostedWnd);return wih;
}HWND GetHwnd(HWND hwnd){//System.Windows.Threading.Dispatcher.CurrentDispatcher.Invoke(new System.Func<IntPtr>(()=>IntPtr.Zero));
System::Object^ obj = System::Windows::Threading::Dispatcher::CurrentDispatcher->Invoke(gcnew System::Func<WindowInteropHelper^>(&GetInteropHandler));//CHostWPFWnd::hostedWnd = gcnew MainWindow();
////CHostWPFWnd::hostedWnd->ClickEvent += gcnew WindowTest::ButtonClickHandler(Add);
//WindowInteropHelper^ wih = gcnew WindowInteropHelper(CHostWPFWnd::hostedWnd);
WindowInteropHelper^ wih = static_cast<WindowInteropHelper^>(obj);
wih->Owner = IntPtr(hwnd);CHostWPFWnd::hWnd = (HWND) wih->Handle.ToPointer();return CHostWPFWnd::hWnd;
}
5.打开报表
通过调用一个Wpf窗口,然后通过这个窗体再调用有ActiveReports控件的窗体
6.直接打开报表
直接用/clr dll调用的ActiveReports控件所在的窗体
源码下载:
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