mainformunit.cpp

使用OPCST开发的进程外OPCDA服务器(C++Builder)

//---------------------------------------------------------------------------

#include <vcl.h>
#pragma hdrstop

#include "MainFormUnit.h"
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma resource "*.dfm"
TMainForm *MainForm;
#include "opcst_x.h"

extern HINSTANCE hInstance;//模块实例

//---------------------------------------------------------------------------
__fastcall TMainForm::TMainForm(TComponent* Owner)
        : TForm(Owner)
{
}
//---------------------------------------------------------------------------
void __fastcall TMainForm::ExitClick(TObject *Sender)
{
Close();        
}

//---------------------------------------------------------------------------
void __fastcall TMainForm::RegisterClick(TObject *Sender)
{
 	if(S_OK==EXE_RegisterServer())
		ShowMessage("Register succeeded");
	else
		ShowMessage("Register failed");
}
//---------------------------------------------------------------------------
void __fastcall TMainForm::UnregisterClick(TObject *Sender)
{
 	if(S_OK==EXE_UnregisterServer())
		ShowMessage("UnRegister succeeded");
	else
		ShowMessage("UnRegister failed");
}
//---------------------------------------------------------------------------


void __fastcall TMainForm::FormCreate(TObject *Sender)
{
///////////////////////////////////////////////
			InitDeviceBuffer();
                        
//hInstance;//模块实例，在进程主函数内初始化

                        InitParm();
	
			InitOPCServer(hInstance, &OPCServerInfo , 
				&OPCRegInfo,  &VendorInfo, ReadVariant,WriteVariant);


	if(S_OK != EXE_StartServer())
	{
		ShowMessage("StartOPCServer failed");
		return ;
	}
	LoadDeviceTag();

///////////////////////////////////////////////

}
//---------------------------------------------------------------------------

void __fastcall TMainForm::FormCloseQuery(TObject *Sender, bool &CanClose)
{
///停止服务器
	EXE_StopServer();
}
//---------------------------------------------------------------------------