VC开发程序实例

地形可视化实习要点二

Visualc++简单编程介绍

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ApplicationtypeofMyTest：

MultipleDocumentInterfaceApplicationtargeting：

Win32

Classestobecreated：

Application：CMyTestAppinMyTest.handMyTestcpp

Frame：CMainFrameinMainFrm.handMainFrm.cpp

MDIChildFrame：CChildFrameinChildFrm.handChildFrm.cpp

Document：CMyTestDocinMyTestDoc.handMyTestDoc.cpp

View：CMyTestViewinMyTestView.handMyTestView.t^p

Features：

+Initialtoolbarinmainframe

+Initialstatusbarinmainframe

+PrintingandPrintPreviewsupportinview

+3DControls

+UsessharedDLLimplementation(MFC42.DLL)

+ActiveXControlssupportenabled

+Localizabletextin:

中文仲国1

ProjectDirectory:

D:\MyTest

Cancel

Ready

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CMyTestView|

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♦AssertValii

//Attributes/////////////////////////////////////////////y

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virtualBOOLOnPreparePrinting(CPrintInFo*p

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protected://///////////////////////////////////////////y

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iyTest-[lyTestl]

常用消息与函数

■消息函数

♦与ID直接挂钩

♦不与ID直接挂钩

■类成员函数（自定义函数）

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4、绘图方式与坐标映射

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CRectrc;

GetClientRect(&rc);〃获得视口矩形

intnWidth=10000;〃窗口关小

intnHeight=18000;

pDC->SetMapMode(MM_ISOTROPIC);〃映射模式

pDC->SetViewportOrg((rc.left+rc.right)/!,(rc.top+ix:botton^/^);〃视口原点

pDC->SetWindowOrg(0,0);〃窗口原点

pDC->SetViewportExt(rc.Width(),-rc.HeightO);〃视口宽、

pDC->SetWindowExt(nWidth,nHeight);〃窗口宽高

CViev::OnPrepareD('(pDC,plnfo);

}

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3CMyTestDocreturn(CMyTestDoc*)H_pDocument;

日弋CMyTestView

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爽CMyTestVi

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li)OC->SetUiewoortOra((「「.left*；GiW孤♦潭吧ttQFQ/2):〃视口原点

pDC->SetWindowOrg(0,0);〃密日康点

pDC->SetUiewportExt(rc.Width()»-rc.HeightO);〃视口宽、高