[ActiveQt] How can I get IDispatch pointer from QAxObject?

[Regentag]

Hello.

I'm using MapWinGIS ActiveX control.
I want to add a shp file layer to map control, and map control needs IDispatch pointer.
Shpfile is a QAxObject class. (created by dumpcpp tool.)

#include "MainWindow.h"
 
using namespace MapWinGIS;
 
MainWindow::MainWindow(QWidget *parent) :
    QMainWindow(parent)
{
	QString mapPath = "ne_10m_admin_0_boundary_lines_land.shp";
 
	ui.setupUi(this);
 
	ui.map->SetBackColor( Qt::black);
	Shapefile *sf = new Shapefile();
	sf->Open( mapPath, NULL );
 
	ui.map->AddLayer( ????? );
}

#include "MainWindow.h"

using namespace MapWinGIS;

MainWindow::MainWindow(QWidget *parent) :
    QMainWindow(parent)
{
	QString mapPath = "ne_10m_admin_0_boundary_lines_land.shp";

	ui.setupUi(this);

	ui.map->SetBackColor( Qt::black);
	Shapefile *sf = new Shapefile();
	sf->Open( mapPath, NULL );
	
	ui.map->AddLayer( ????? );
}

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How can I get IDispatch pointer from QAxObject?


ps. Sorry for the poor English.