十步會(huì)用IOCOMP–iplotx控件

1、 新建項(xiàng)目-MFC-基于對(duì)話框
2、 插入ActiveX控件-選擇iPlotX Control
3、右擊該控件，添加變量，輸入變量名
4、類向?qū)?（Dlg結(jié)尾那個(gè)類）添加函數(shù)-IplotxInit（用于該控件基本參數(shù)設(shè)置）
5、在Dlg.cpp中開頭處添加以下代碼：

#import "iPlotLibrary.tlb" named_guids #include "atlbase.h" using namespace iPlotLibrary; CComPtr<iPlotLibrary::IiPlotX> PlotComponent;

6、在函數(shù)IplotxInit（）中添加以下代碼：

CWnd* pPlotWnd = GetDlgItem(IDC_IPLOTX1);IUnknown* m_iUnknown;//Get iDispatch Inteface to Plot Componentm_iUnknown = pPlotWnd->GetControlUnknown();m_iUnknown->QueryInterface(__uuidof(iPlotLibrary::IiPlotX), (LPVOID*)&PlotComponent);//Setup ChannelsPlotComponent->RemoveAllChannels();PlotComponent->AddChannel();PlotComponent->AddChannel();PlotComponent->AddChannel();PlotComponent->AddChannel();PlotComponent->AddChannel();PlotComponent->AddChannel();PlotComponent->XAxis[0]->Span = 5;PlotComponent->Labels[0]->Caption = "曲線圖";PlotComponent->GetChannel(0)->TitleText = "曲線1";PlotComponent->GetChannel(1)->TitleText = "曲線2";PlotComponent->GetChannel(2)->TitleText = "曲線3";PlotComponent->GetChannel(3)->TitleText = "曲線4";PlotComponent->GetChannel(4)->TitleText = "曲線5";PlotComponent->GetChannel(5)->TitleText = "曲線6";

7、類向?qū)?添加消息處理函數(shù)OnTimer（）；
8、在OnInitDialog()函數(shù)return TRUE前添加以下代碼：

IplotxInit();SetTimer(1, 10, NULL);

9、在函數(shù)OnTimer（）；中添加以下函數(shù)：

static float i = 10;PlotComponent->GetChannel(0)->AddYElapsedSeconds(40*sin(0.01*i));//AddYNow((int)i);PlotComponent->GetChannel(1)->AddYElapsedSeconds(40 * cos(0.01*i));//AddYNow((int)i);PlotComponent->GetChannel(2)->AddYElapsedSeconds(40 * sin(0.01*i + 1));//AddYNow((int)i);PlotComponent->GetChannel(3)->AddYElapsedSeconds(40 * cos(0.01*i + 1));//AddYNow((int)i);PlotComponent->GetChannel(4)->AddYElapsedSeconds(40 * sin(0.01*i + 2));PlotComponent->GetChannel(5)->AddYElapsedSeconds(40 * cos(0.01*i + 2));i++;i++;i++;

10、按F5鍵。
效果圖：

源碼下載：http://download.csdn.net/detail/cracent/9794944

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