📄 vc++动态链接库(dll)编程深入浅出(四).mht
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target=3D_blank>=EF=BC=88=E4=B8=89=EF=BC=89</A>=E3=80=82=20
=E3=80=80MFC=E6=89=A9=E5=B1=95DLL=E7=9A=84=E5=86=85=E6=B6=B5=E4=B8=BAMFC=E7=
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=89=A9=E5=B1=95DLL=E5=B0=B1=E5=83=8F=E4=BD=BF=E7=94=A8MFC=E6=9C=AC=E8=BA=AB=
=E7=9A=84DLL=E4=B8=80=E6=A0=B7=E3=80=82=E9=99=A4=E4=BA=86=E5=8F=AF=E4=BB=A5=
=E5=9C=A8MFC=E6=89=A9=E5=B1=95DLL=E7=9A=84=E5=86=85=E9=83=A8=E4=BD=BF=E7=94=
=A8MFC=E4=BB=A5=E5=A4=96=EF=BC=8C=20
MFC=E6=89=A9=E5=B1=95DLL=E4=B8=8E=E5=BA=94=E7=94=A8=E7=A8=8B=E5=BA=8F=E7=9A=
=84=E6=8E=A5=E5=8F=A3=E9=83=A8=E5=88=86=E4=B9=9F=E5=8F=AF=E4=BB=A5=E6=98=AF=
MFC=E3=80=82=E6=88=91=E4=BB=AC=E4=B8=80=E8=88=AC=E4=BD=BF=E7=94=A8MFC=E6=89=
=A9=E5=B1=95DLL=E6=9D=A5=E5=8C=85=E5=90=AB=E4=B8=80=E4=BA=9BMFC=E7=9A=84=E5=
=A2=9E=E5=BC=BA=E5=8A=9F=E8=83=BD=EF=BC=8C=E8=AD=AC=E5=A6=82=E6=89=A9=E5=B1=
=95MFC=E7=9A=84CStatic=E3=80=81=20
CButton=E7=AD=89=E7=B1=BB=E4=BD=BF=E4=B9=8B=E5=85=B7=E5=A4=87=E6=9B=B4=E5=
=BC=BA=E5=A4=A7=E7=9A=84=E8=83=BD=E5=8A=9B=E3=80=82
<P> </P>
<P>=E3=80=80=E3=80=80=E4=BD=BF=E7=94=A8Visual =
C++=E5=90=91=E5=AF=BC=E7=94=9F=E4=BA=A7MFC=E6=89=A9=E5=B1=95DLL=E6=97=B6=EF=
=BC=8CMFC=E5=90=91=E5=AF=BC=E4=BC=9A=E8=87=AA=E5=8A=A8=E5=A2=9E=E5=8A=A0D=
LL=E7=9A=84=E5=85=A5=E5=8F=A3=E5=87=BD=E6=95=B0DllMain=EF=BC=9A</P>
<P class=3Dcode clear=3Dboth>extern "C" int =
APIENTRY<BR>DllMain(HINSTANCE hInstance,=20
DWORD dwReason, LPVOID lpReserved)<BR>{<BR> // Remove this if you =
use=20
lpReserved<BR> UNREFERENCED_PARAMETER(lpReserved);<BR><BR> if=20
(dwReason =3D=3D=20
DLL_PROCESS_ATTACH)<BR> {<BR> TRACE0("MFCEXPENDDLL.DLL=20
Initializing!\n");<BR><BR> // Extension DLL one-time=20
initialization<BR> if =
(!AfxInitExtensionModule(MfcexpenddllDLL,=20
hInstance))<BR> return 0;<BR><BR> // Insert =
this DLL=20
into the resource chain<BR> // NOTE: If this Extension DLL is =
being=20
implicitly linked to by<BR> // an MFC Regular DLL (such =
as an=20
ActiveX Control)<BR> // instead of an MFC application, =
then you=20
will want to<BR> // remove this line from DllMain and =
put it in=20
a separate<BR> // function exported from this Extension =
DLL. The Regular DLL<BR> // that uses this =
Extension DLL=20
should then explicitly call that<BR> // function to =
initialize=20
this Extension DLL. Otherwise,<BR> // the =
CDynLinkLibrary=20
object will not be attached to the<BR> // Regular DLL's =
resource chain, and serious problems will<BR> // =20
result.<BR><BR> new=20
CDynLinkLibrary(MfcexpenddllDLL);<BR> }<BR> else if (dwReason =
=3D=3D=20
DLL_PROCESS_DETACH)<BR> {<BR> TRACE0("MFCEXPENDDLL.DLL=20
Terminating!\n");<BR> // Terminate the library before =
destructors are=20
called<BR> AfxTermExtensionModule(MfcexpenddllDLL);<BR> }=
<BR> return=20
1; // ok<BR>}</P>
<P>=E3=80=80=E3=80=80=E4=B8=8A=E8=BF=B0=E4=BB=A3=E7=A0=81=E5=AE=8C=E6=88=90=
MFC=E6=89=A9=E5=B1=95DLL=E7=9A=84=E5=88=9D=E5=A7=8B=E5=8C=96=E5=92=8C=E7=BB=
=88=E6=AD=A2=E5=A4=84=E7=90=86=E3=80=82</P>
<P>=E3=80=80=E3=80=80=E7=94=B1=E4=BA=8EMFC=E6=89=A9=E5=B1=95DLL=E5=AF=BC=E5=
=87=BA=E5=87=BD=E6=95=B0=E5=92=8C=E5=8F=98=E9=87=8F=E7=9A=84=E6=96=B9=E5=BC=
=8F=E4=B8=8E=E5=85=B6=E5=AE=83DLL=E6=B2=A1=E6=9C=89=E4=BB=80=E4=B9=88=E5=8C=
=BA=E5=88=AB=EF=BC=8C=E6=88=91=E4=BB=AC=E4=B8=8D=E5=86=8D=E7=BB=86=E8=87=B4=
=E8=AE=B2=E8=A7=A3=E3=80=82=E4=B8=8B=E9=9D=A2=E7=9B=B4=E6=8E=A5=E7=BB=99=E5=
=87=BA=E4=B8=80=E4=B8=AAMFC=E6=89=A9=E5=B1=95DLL=E7=9A=84=E5=88=9B=E5=BB=BA=
=E5=8F=8A=E5=9C=A8=E5=BA=94=E7=94=A8=E7=A8=8B=E5=BA=8F=E4=B8=AD=E8=B0=83=E7=
=94=A8=E5=AE=83=E7=9A=84=E4=BE=8B=E5=AD=90=E3=80=82</P>
<P align=3Dleft><STRONG>6.1 =
MFC=E6=89=A9=E5=B1=95DLL=E7=9A=84=E5=88=9B=E5=BB=BA</STRONG></P>
<P>=E3=80=80=E3=80=80=E4=B8=8B=E9=9D=A2=E6=88=91=E4=BB=AC=E5=B0=86=E5=9C=A8=
MFC=E6=89=A9=E5=B1=95DLL=E4=B8=AD =
=E5=AF=BC=E5=87=BA=E4=B8=80=E4=B8=AA=E6=8C=89=E9=92=AE=E7=B1=BBCSXButton=EF=
=BC=88=E6=89=A9=E5=B1=95=E8=87=AAMFC=E7=9A=84CButton=E7=B1=BB=EF=BC=89=EF=
=BC=8C=E7=B1=BBCSXButton=E6=98=AF=E4=B8=80=E4=B8=AA=E7=94=A8=E4=BB=A5=E5=8F=
=96=E4=BB=A3=20
CButton=E7=9A=84=E7=B1=BB=EF=BC=8C=E5=AE=83=E4=BD=BF=E4=BD=A0=E8=83=BD=E5=
=9C=A8=E5=90=8C=E4=B8=80=E4=B8=AA=E6=8C=89=E9=92=AE=E4=B8=8A=E6=98=BE=E7=A4=
=BA=E4=BD=8D=E5=9B=BE=E5=92=8C=E6=96=87=E5=AD=97=EF=BC=8C=E8=80=8CMFC=E7=9A=
=84=E6=8C=89=E9=92=AE=E4=BB=85=E5=8F=AF=E6=98=BE=E7=A4=BA=E4=BA=8C=E8=80=85=
=E4=B9=8B=E4=B8=80=E3=80=82=E7=B1=BBCSXbutton=E7=9A=84=E6=BA=90=E4=BB=A3=E7=
=A0=81=E5=9C=A8Internet=E4=B8=8A=E5=B9=BF=E6=B3=9B=E6=B5=81=20
=E4=BC=A0=EF=BC=8C=E6=9C=89=E5=BE=88=E5=A5=BD=E7=9A=84=E2=80=9C=E7=BE=A4=E4=
=BC=97=E5=9F=BA=E7=A1=80=E2=80=9D=EF=BC=8C=E5=9B=A0=E6=AD=A4=E7=94=A8=E8=BF=
=99=E4=B8=AA=E7=B1=BB=E6=9D=A5=E8=AE=B2=E8=A7=A3MFC=E6=89=A9=E5=B1=95DLL=E6=
=9C=89=E5=85=B6=E7=89=B9=E6=AE=8A=E7=9A=84=E5=8A=9F=E6=95=88=E3=80=82</P>=
<P>=E3=80=80=E3=80=80MFC=E4=B8=AD=E5=8C=85=E5=90=AB=E4=B8=80=E4=BA=9B=E5=AE=
=8F=EF=BC=8C=E8=BF=99=E4=BA=9B=E5=AE=8F=E5=9C=A8DLL=E5=92=8C=E8=B0=83=E7=94=
=A8DLL=E7=9A=84=E5=BA=94=E7=94=A8=E7=A8=8B=E5=BA=8F=E4=B8=AD=E8=A2=AB=E4=BB=
=A5=E4=B8=8D=E5=90=8C=E7=9A=84=E6=96=B9=E5=BC=8F=E5=B1=95=E5=BC=80=EF=BC=8C=
=E8=BF=99=E4=BD=BF=E5=BE=97=E5=9C=A8DLL=E5=92=8C=E5=BA=94=E7=94=A8=E7=A8=8B=
=E5=BA=8F=E4=B8=AD=EF=BC=8C=E4=BD=BF=E7=94=A8=E7=BB=9F=E4=B8=80=E7=9A=84=E4=
=B8=80=E4=B8=AA=E5=AE=8F=E5=B0=B1=E5=8F=AF=E4=BB=A5=E8=A1=A8=E7=A4=BA=E5=87=
=BA=E8=BE=93=E5=87=BA=E5=92=8C=E8=BE=93=E5=85=A5=E7=9A=84=E4=B8=8D=E5=90=8C=
=E6=84=8F=E6=80=9D=EF=BC=9A</P>
<P class=3Dcode>// for data<BR>#ifndef AFX_DATA_EXPORT<BR> #define=20
AFX_DATA_EXPORT __declspec(dllexport)<BR>#endif<BR>#ifndef=20
AFX_DATA_IMPORT<BR> #define AFX_DATA_IMPORT=20
__declspec(dllimport)<BR>#endif<BR><BR>// for classes<BR>#ifndef=20
AFX_CLASS_EXPORT<BR> #define AFX_CLASS_EXPORT=20
__declspec(dllexport)<BR>#endif<BR>#ifndef =
AFX_CLASS_IMPORT<BR> #define=20
AFX_CLASS_IMPORT __declspec(dllimport)<BR>#endif<BR><BR>// for global=20
APIs<BR>#ifndef AFX_API_EXPORT<BR> #define AFX_API_EXPORT=20
__declspec(dllexport)<BR>#endif<BR>#ifndef =
AFX_API_IMPORT<BR> #define=20
AFX_API_IMPORT __declspec(dllimport)<BR>#endif<BR><BR>#ifndef=20
AFX_EXT_DATA<BR> #ifdef _AFXEXT<BR> #define=20
AFX_EXT_CLASS =20
AFX_CLASS_EXPORT<BR> #define=20
AFX_EXT_API =20
AFX_API_EXPORT<BR> #define=20
AFX_EXT_DATA =20
AFX_DATA_EXPORT<BR> #define=20
AFX_EXT_DATADEF<BR> #else<BR> #define=20
AFX_EXT_CLASS =20
AFX_CLASS_IMPORT<BR> #define=20
AFX_EXT_API =20
AFX_API_IMPORT<BR> #define=20
AFX_EXT_DATA =20
AFX_DATA_IMPORT<BR> #define=20
AFX_EXT_DATADEF<BR> #endif<BR>#endif</P>
<P>=E3=80=80=E3=80=80=E5=AF=BC=E5=87=BA=E4=B8=80=E4=B8=AA=E7=B1=BB=EF=BC=8C=
=E7=9B=B4=E6=8E=A5=E5=9C=A8=E7=B1=BB=E5=A3=B0=E6=98=8E=E5=A4=B4=E6=96=87=E4=
=BB=B6=E4=B8=AD=E4=BD=BF=E7=94=A8AFX_EXT_CLASS=E5=8D=B3=E5=8F=AF=EF=BC=8C=
=E4=BB=A5=E4=B8=8B=E6=98=AF=E5=AF=BC=E5=87=BACSXButton=E7=B1=BB=E7=9A=84=E4=
=BE=8B=E5=AD=90=EF=BC=9A</P>
<P class=3Dcode>#ifndef _SXBUTTON_H<BR>#define=20
_SXBUTTON_H<BR><BR>#define SXBUTTON_CENTER -1<BR><BR>class=20
AFX_EXT_CLASS CSXButton : public CButton<BR>{<BR>//=20
Construction<BR>public:<BR> CSXButton();<BR><BR>//=20
Attributes<BR>private:<BR> // Positioning<BR> BOOL &n=
bsp;m_bUseOffset; <BR> CPoint m_po=
intImage;<BR> CPoint m_pointText;<BR> int  =
; m_nImageOffsetFromBorder;<BR> int m_nTextOff=
setFromImage;<BR><BR> // Image<BR> HICON m_hIco=
n; <BR> HBITMAP m_hBitmap;<B=
R> HBITMAP m_hBitmapDisabled;<BR> int &nb=
sp;m_nImageWidth,=20
m_nImageHeight;<BR><BR> // Color=20
Tab<BR> char m_bColorTab; <BR>&nbs=
p;COLORREF m_crColorTab;<BR><BR> // State<BR> BOOL&nb=
sp; m_bDefault;<BR> UINT m_nOldAction;<BR> UINT=
m_nOldState;<BR> <BR>//=20
Operations<BR>public:<BR> // Positioning<BR> int &nbs=
p;SetImageOffset(=20
int nPixels ); <BR> int SetTextOffset( int nPixels=20
);<BR> CPoint SetImagePos( CPoint p=20
);<BR> CPoint SetTextPos( CPoint p=20
);<BR><BR> // Image<BR> BOOL SetIcon( UINT nID, int =
nWidth,=20
int nHeight );<BR> BOOL SetBitmap( UINT nID, int nWidth, int =
nHeight=20
);<BR> BOOL SetMaskedBitmap( UINT nID, int nWidth, int =
nHeight,=20
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