?? csdn_文檔中心_銀彈制造：開(kāi)發(fā)最靈活的軟件（一）.htm
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lang=EN-US
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</SPAN><SPAN style="COLOR: blue">return</SPAN>
hr;<o:p></o:p></SPAN></P>
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lang=EN-US
style="FONT-FAMILY: 新宋體; FONT-SIZE: 9pt; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 0pt"><SPAN
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</SPAN>}<o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
lang=EN-US
style="FONT-FAMILY: 新宋體; FONT-SIZE: 9pt; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 0pt">GetEventIID(&m_iidEvents);<o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
lang=EN-US
style="FONT-FAMILY: 新宋體; FONT-SIZE: 9pt; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 0pt">//</SPAN><SPAN
style="FONT-FAMILY: 新宋體; FONT-SIZE: 9pt; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 0pt">激活客戶端對(duì)象部分略</SPAN></P></TD></TR></TBODY></TABLE>
<P class=2 style="MARGIN: auto 0cm auto 18pt"><FONT face=宋體
size=3>上述代碼中的<SPAN lang=EN-US>CWFControlWrapper</SPAN>是另外一個(gè)重要的類<SPAN
lang=EN-US>CWinFormsView</SPAN>（從使用<SPAN lang=EN-US>MFC Application
Project with .NET Support 1.0 </SPAN>為我們的<SPAN lang=EN-US>Visual
Studio.NET 2003</SPAN>的<SPAN lang=EN-US>VC++</SPAN>項(xiàng)目模板中添加的<SPAN
lang=EN-US>”MFC Project with .NET Support”</SPAN>向?qū)扇魏我粋€(gè)應(yīng)用程序的<SPAN
lang=EN-US>”UserControlView.cpp”</SPAN>里的映射可以看到他們的對(duì)應(yīng)關(guān)系）包含的一個(gè)子類，類定義如下：</FONT></P>
<TABLE border=1 cellPadding=0 cellSpacing=0 class=MsoNormalTable
style="BORDER-BOTTOM: medium none; BORDER-COLLAPSE: collapse; BORDER-LEFT: medium none; BORDER-RIGHT: medium none; BORDER-TOP: medium none; MARGIN: auto auto auto 5.4pt; mso-border-alt: solid windowtext .5pt; mso-padding-alt: 0cm 5.4pt 0cm 5.4pt; mso-border-insideh: .5pt solid windowtext; mso-border-insidev: .5pt solid windowtext">
<TBODY>
<TR
style="HEIGHT: 30.75pt; mso-yfti-irow: 0; mso-yfti-firstrow: yes; mso-yfti-lastrow: yes">
<TD
style="BACKGROUND-COLOR: transparent; BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: windowtext 1pt solid; BORDER-RIGHT: windowtext 1pt solid; BORDER-TOP: windowtext 1pt solid; HEIGHT: 30.75pt; PADDING-BOTTOM: 0cm; PADDING-LEFT: 5.4pt; PADDING-RIGHT: 5.4pt; PADDING-TOP: 0cm; WIDTH: 414pt; mso-border-alt: solid windowtext .5pt"
vAlign=top width=552>
<P align=left class=MsoNormal
style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none"><SPAN
lang=EN-US
style="COLOR: blue; FONT-FAMILY: 新宋體; FONT-SIZE: 9pt; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 0pt">class</SPAN><SPAN
lang=EN-US
style="FONT-FAMILY: 新宋體; FONT-SIZE: 9pt; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 0pt"><SPAN
style="mso-spacerun: yes"> </SPAN>CWFControlWrapper :
<SPAN style="COLOR: blue">public</SPAN>
CWnd<o:p></o:p></SPAN></P>
<P align=left class=MsoNormal
style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none"><SPAN
lang=EN-US
style="FONT-FAMILY: 新宋體; FONT-SIZE: 9pt; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 0pt"><SPAN
style="mso-tab-count: 1">
</SPAN>{<o:p></o:p></SPAN></P>
<P align=left class=MsoNormal
style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none"><SPAN
lang=EN-US
style="FONT-FAMILY: 新宋體; FONT-SIZE: 9pt; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 0pt"><SPAN
style="mso-tab-count: 2">
</SPAN><SPAN
style="COLOR: blue">public</SPAN>:<o:p></o:p></SPAN></P>
<P align=left class=MsoNormal
style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none"><SPAN
lang=EN-US
style="FONT-FAMILY: 新宋體; FONT-SIZE: 9pt; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 0pt"><SPAN
style="mso-tab-count: 3">
</SPAN>CWFControlWrapper();<o:p></o:p></SPAN></P>
<P align=left class=MsoNormal
style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none"><SPAN
lang=EN-US
style="FONT-FAMILY: 新宋體; FONT-SIZE: 9pt; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 0pt"><SPAN
style="mso-tab-count: 3">
</SPAN><SPAN style="COLOR: blue">virtual</SPAN>
~CWFControlWrapper(<SPAN style="COLOR: blue">void</SPAN>);
<o:p></o:p></SPAN></P>
<P align=left class=MsoNormal
style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none"><SPAN
lang=EN-US
style="FONT-FAMILY: 新宋體; FONT-SIZE: 9pt; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 0pt"><SPAN
style="mso-tab-count: 3">
</SPAN>IUnknown * pUnkControl ;<o:p></o:p></SPAN></P>
<P align=left class=MsoNormal
style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none"><SPAN
lang=EN-US
style="FONT-FAMILY: 新宋體; FONT-SIZE: 9pt; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 0pt"><SPAN
style="mso-tab-count: 3">
</SPAN>IUnknown * GetManagedControl() { <SPAN
style="COLOR: blue">return</SPAN> pUnkControl;
}<o:p></o:p></SPAN></P>
<P align=left class=MsoNormal
style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none"><SPAN
lang=EN-US
style="FONT-FAMILY: 新宋體; FONT-SIZE: 9pt; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 0pt"><SPAN
style="mso-tab-count: 3">
</SPAN><SPAN style="COLOR: blue">void</SPAN><SPAN
style="mso-spacerun: yes">
</SPAN>SetControlSite(COleControlSite * pSite) { m_pCtrlSite =
pSite; }<o:p></o:p></SPAN></P>
<P class=2 style="MARGIN: auto 0cm"><SPAN lang=EN-US
style="FONT-FAMILY: 新宋體; FONT-SIZE: 9pt; mso-hansi-font-family: 宋體"><SPAN
style="mso-tab-count: 1">
</SPAN>};<BR>CWinFormsView::CWFControlWrapper::CWFControlWrapper():pUnkControl(NULL){}<BR>//</SPAN><SPAN
style="FONT-FAMILY: 新宋體; FONT-SIZE: 9pt; mso-hansi-font-family: 宋體">析構(gòu)函數(shù)略<SPAN
lang=EN-US><o:p></o:p></SPAN></SPAN></P></TD></TR></TBODY></TABLE>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US
style="FONT-FAMILY: 新宋體; FONT-SIZE: 9pt; mso-hansi-font-family: 'Times New Roman'"><SPAN
style="mso-spacerun: yes"></SPAN></SPAN> </P>
<P class=MsoNormal
style="MARGIN: 0cm 0cm 0pt 18pt; TEXT-INDENT: 2.95pt; mso-char-indent-count: .28"><SPAN
style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"><FONT
size=3>我們必須重寫(xiě)</FONT></SPAN><SPAN
style="COLOR: green; FONT-FAMILY: 新宋體; FONT-SIZE: 9pt; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 0pt">
</SPAN><SPAN lang=EN-US
style="FONT-FAMILY: 新宋體; FONT-SIZE: 9pt; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 0pt">CreateControl</SPAN><SPAN
style="FONT-FAMILY: 新宋體; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 10.5pt; mso-font-kerning: 0pt"><FONT
size=3>方法</FONT></SPAN><SPAN
style="FONT-FAMILY: 新宋體; FONT-SIZE: 9pt; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 0pt">以調(diào)用<SPAN
lang=EN-US>CreateManagedControl</SPAN>方法；在這段方法實(shí)現(xiàn)中，如果<SPAN
lang=EN-US>hr = CreateManagedControl(clsid, pPersist, bStorage,
bstrLicKey)</SPAN>成功完成，創(chuàng)建托管資源窗口<SPAN
lang=EN-US>/UserControl</SPAN>，然后，作為<SPAN
lang=EN-US>OLE</SPAN>就地激活對(duì)象，它需要被激活；<SPAN
lang=EN-US><o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0cm 0cm 0pt 18pt; TEXT-INDENT: 2.5pt; mso-char-indent-count: .28"><SPAN
style="FONT-FAMILY: 新宋體; FONT-SIZE: 9pt; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 0pt">插曲：<SPAN
lang=EN-US><o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0cm 0cm 0pt 18pt; TEXT-INDENT: 2.5pt; mso-char-indent-count: .28"><SPAN
lang=EN-US
style="FONT-FAMILY: 新宋體; FONT-SIZE: 9pt; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 0pt">COLEControlSite</SPAN><SPAN
style="FONT-FAMILY: 新宋體; FONT-SIZE: 9pt; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 0pt">對(duì)象是一個(gè)<SPAN
lang=EN-US>OLE</SPAN>容器文檔對(duì)象，在這個(gè)容器文檔中可以任意創(chuàng)建托管項(xiàng)。開(kāi)發(fā)人員在容器文檔中創(chuàng)建托管項(xiàng)后會(huì)頻繁激活這個(gè)對(duì)象，以便對(duì)其進(jìn)行編輯。<SPAN
lang=EN-US><o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0cm 0cm 0pt 18pt; TEXT-INDENT: 2.5pt; mso-char-indent-count: .28"><SPAN
lang=EN-US
style="FONT-FAMILY: 新宋體; FONT-SIZE: 9pt; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 0pt"><o:p> </o:p></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0cm 0cm 0pt 18pt; TEXT-INDENT: 2.5pt; mso-char-indent-count: .28"><SPAN
style="FONT-FAMILY: 新宋體; FONT-SIZE: 9pt; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 0pt">借助在<SPAN
lang=EN-US>CWFControlWrapper</SPAN>中的方法<SPAN
lang=EN-US>SetControlSite</SPAN>使得<SPAN
lang=EN-US>CWnd</SPAN>的保護(hù)成員<SPAN
lang=EN-US>m_pCtrlSite</SPAN>得以獲得新的托管資源：<SPAN
lang=EN-US><o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 18pt; mso-char-indent-count: 2.0"><SPAN
style="FONT-FAMILY: 新宋體; FONT-SIZE: 9pt; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 0pt">部分代碼如下：<SPAN
lang=EN-US><o:p></o:p></SPAN></SPAN></P>
<TABLE border=1 cellPadding=0 cellSpacing=0 class=MsoNormalTable
style="BORDER-BOTTOM: medium none; BORDER-COLLAPSE: collapse; BORDER-LEFT: medium none; BORDER-RIGHT: medium none; BORDER-TOP: medium none; MARGIN: auto auto auto 5.4pt; mso-border-alt: solid windowtext .5pt; mso-padding-alt: 0cm 5.4pt 0cm 5.4pt; mso-border-insideh: .5pt solid windowtext; mso-border-insidev: .5pt solid windowtext">
<TBODY>
<TR
style="HEIGHT: 39pt; mso-yfti-irow: 0; mso-yfti-firstrow: yes; mso-yfti-lastrow: yes">
<TD
style="BACKGROUND-COLOR: transparent; BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: windowtext 1pt solid; BORDER-RIGHT: windowtext 1pt solid; BORDER-TOP: windowtext 1pt solid; HEIGHT: 39pt; PADDING-BOTTOM: 0cm; PADDING-LEFT: 5.4pt; PADDING-RIGHT: 5.4pt; PADDING-TOP: 0cm; WIDTH: 414pt; mso-border-alt: solid windowtext .5pt"
vAlign=top width=552>
<P align=left class=MsoNormal
style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none"><SPAN
lang=EN-US
style="FONT-FAMILY: 新宋體; FONT-SIZE: 9pt; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 0pt">CWinFormsView::CWFControlWrapper
* pWndCtrlLocal = <SPAN
style="COLOR: blue">dynamic_cast</SPAN><CWinFormsView::CWFControlWrapper
*>(pWndCtrl);<SPAN
style="COLOR: green"><o:p></o:p></SPAN></SPAN></P>
<P align=left class=MsoNormal
style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none"><SPAN
lang=EN-US
style="FONT-FAMILY: 新宋體; FONT-SIZE: 9pt; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 0pt">m_pWndCtrl
= pWndCtrlLocal;<o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
lang=EN-US
style="FONT-FAMILY: 新宋體; FONT-SIZE: 9pt; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 0pt">pWndCtrlLocal->SetControlSite(<SPAN
style="COLOR: blue">this</SPAN>);<o:p></o:p></SPAN></P></TD></TR></TBODY></TABLE>
<P class=2 style="MARGIN: auto 0cm auto 18pt"><FONT face=宋體
size=3>接下來(lái)的問(wèn)題是，如何將<SPAN lang=EN-US> Windows </SPAN>窗體控件用作<SPAN
lang=EN-US> MFC </SPAN>視圖類。 首先自然要在<SPAN
lang=EN-US>CWinFormView</SPAN>類中創(chuàng)建</FONT><SPAN lang=EN-US
style="FONT-FAMILY: 新宋體; FONT-SIZE: 9pt; mso-hansi-font-family: 宋體">CWFControlSite</SPAN><SPAN
style="FONT-FAMILY: 新宋體; FONT-SIZE: 9pt; mso-hansi-font-family: 宋體">對(duì)象，如果創(chuàng)建成功，就把它畫(huà)在客戶區(qū)，代碼實(shí)現(xiàn)如下：<SPAN
lang=EN-US><o:p></o:p></SPAN></SPAN></P>
<TABLE border=1 cellPadding=0 cellSpacing=0 class=MsoNormalTable
style="BORDER-BOTTOM: medium none; BORDER-COLLAPSE: collapse; BORDER-LEFT: medium none; BORDER-RIGHT: medium none; BORDER-TOP: medium none; MARGIN: auto auto auto 23.4pt; WIDTH: 405pt; mso-border-alt: solid windowtext .5pt; mso-padding-alt: 0cm 5.4pt 0cm 5.4pt; mso-border-insideh: .5pt solid windowtext; mso-border-insidev: .5pt solid windowtext"
width=540>
<TBODY>
<TR
style="HEIGHT: 24pt; mso-yfti-irow: 0; mso-yfti-firstrow: yes; mso-yfti-lastrow: yes">
<TD
style="BACKGROUND-COLOR: transparent; BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: windowtext 1pt solid; BORDER-RIGHT: windowtext 1pt solid; BORDER-TOP: windowtext 1pt solid; HEIGHT: 24pt; PADDING-BOTTOM: 0cm; PADDING-LEFT: 5.4pt; PADDING-RIGHT: 5.4pt; PADDING-TOP: 0cm; WIDTH: 405pt; mso-border-alt: solid windowtext .5pt"
vAlign=top width=540>
<P align=left class=MsoNormal
style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none"><SPAN
lang=EN-US
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