C / C++ / MFC

BOOL CUserInterfaceDlg::PlotGrid(void)
{
	int i;
	GraphRegion->SelectObject(Brush);
	GraphRegion->SelectObject(PenGrid);
	GraphRegion->FillRect(&GraphRect,&Brush);

	for (i=1;i<(GraphRect.Width()/2);i++)
	{
		GraphRegion->MoveTo(i*((double)GraphRect.Width()/30),0);
		GraphRegion->LineTo(i*((double)GraphRect.Width()/30),GraphRect.Height());

	}

	for (i = 1;i<(GraphRect.Height()/2);i++)
	{
		GraphRegion->MoveTo(0,GraphRect.Height()-i*((double)GraphRect.Height()/30));
		GraphRegion->LineTo(GraphRect.Width(),GraphRect.Height()-i*((double)GraphRect.Height()/30));
	}


	return 0;

}

BOOL CUserInterfaceDlg::PlotRunWay(void)
{
	
	UpdateData(TRUE);
	GraphRegion->SelectObject(PenRunWay);
	
	RXArray[0]=m_AirXPisition;
	RYArray[0]=m_AirYPosition;
	
	RPoints[0].x=RXArray[0];
	RPoints[0].y=RYArray[0];
	
	RPoints[1].x=RPoints[0].x+30000;
	RPoints[1].y=RPoints[0].y+200;
	


	GraphRegion->MoveTo(RPoints[0]);	
	GraphRegion->LineTo(RPoints[1]);
	
	
	return 0;
}