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extern "C" __declspec(dllexport)
bool GetReportFileInfo(ReportInfo& rptInfo)
{
rptInfo.formClass = __classid(TFormFirstDLLMDIChild);
rptInfo.ppForm = (TForm **)&FormFirstDLLMDIChild;
//rptInfo.reportTitle = std::string("第一个DLL MDI子窗体");
//rptInfo.reportType = std::string("测试报表");
return true;
}
extern "C" __declspec(dllexport)
void ShowFirstMDIChild(TApplication* pApp)
{
if(g_SavedApp == NULL)
{
g_SavedApp = Application;
Application = pApp;
}
if(g_firstDLLMDIChildIns == NULL)
{
g_firstDLLMDIChildIns = ::LoadLibrary("DLLMDIChildPro.dll");
if(g_firstDLLMDIChildIns == NULL)
{
return ;
}
}
struct ReportInfo rptInfo;
GETREPORTFILEINFOFUNC GetInfo
= (GETREPORTFILEINFOFUNC)::GetProcAddress(g_firstDLLMDIChildIns, "_GetReportFileInfo");
if(GetInfo == NULL)
{
return ;
}
GetInfo(rptInfo);
if(rptInfo.ppForm == NULL)
{
return ;
}
if((*rptInfo.ppForm) == NULL)
{
Application->CreateForm(rptInfo.formClass, rptInfo.ppForm);
}
(*rptInfo.ppForm)->Show();
}
void __fastcall TFormDLLMDIChildUsage::btn1Click(TObject *Sender)
{
typedef void (*SHOWFIRSTMDICHILDFUNC)(TApplication* pApp);
SHOWFIRSTMDICHILDFUNC ShowFunc
= (SHOWFIRSTMDICHILDFUNC)::GetProcAddress(m_dllMDIChildMIns, "_ShowFirstMDIChild");
if(ShowFunc == NULL)
{
throw(Exception(Format("函数取址失败:%u", ARRAYOFCONST(((int)::GetLastError())))));
}
ShowFunc(Application);
}
void GetFormClass(TApplication* pApp, struct FormClass& f)
{
if(g_SavedApp == NULL)
{
g_SavedApp = Application;
Application = pApp;
}
f.ppForm = (TForm **)&FormDLL;
f.formClass = __classid(TFormDLL);
}