void wks_get_datarange_selection_ex()
{
	//Make sure the active worksheet has existed
	Worksheet wks = Project.ActiveLayer();
    if(!wks)
    {
    	printf("Error. Please active worksheet before running!");
    	return;
    }
 
 	vector<int> vR1, vC1, vR2, vC2;
 	
    int iRegions = wks.GetSelectedRange(vR1, vC1, vR2, vC2);	//get the number of regions
 
    if( 0 == iRegions )
    {
    	printf("No range selected in the active worksheet %s!", wks.GetName());
    	return;
    }
    
    for(int ii = 0 ; ii < iRegions ; ii++)
    {
        printf("Region %u : R%d C%d : R%d C%d\n", ii, vR1[ii], vC1[ii], vR2[ii], vC2[ii]);
    }
    
         WorksheetPage wp;
	wp.Create(NULL, CREATE_VISIBLE);
	int nNumRows = iRegions;
	int nNumCols = 4;
	Worksheet wksn = Project.ActiveLayer();
	wksn.SetSize(nNumRows, nNumCols);
	Dataset dsB;
	dsB.Attach(wksn,0);
	dsB = vR1;
	dsB.Attach(wksn,1);
	dsB = vC1;
	dsB.Attach(wksn,2);
	dsB = vR2;
	dsB.Attach(wksn,3);
	dsB = vC2;
}