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5仿真币
我现在用c++编写了一个程序,希望能够和extend交换数据,以及自动对extend进行一些操作。我参阅了例子里的关于OLE AUTOMATION方面的c++程序,但搞得不是很懂。比如说,c++程序向extend发送一个数据:4 h8 d N3 ]* ?
Name = (WCHAR *) L"Poke";" D. j3 B" b; u, Y1 Y8 N/ ~
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hr = m_pDisp->GetIDsOfNames (9 X0 l+ C, E$ ?+ `2 p7 G6 L: r
IID_NULL, // reserved
- V5 I$ C! d l+ W( }! I- e &Name, // Array of names to get IDs for9 x$ e) x! D4 v" @
1, // # of names in the array6 }* U D* n# y# ?
LOCALE_SYSTEM_DEFAULT, // System locale1 w% f- h2 h3 B1 |2 B) X* s
&pokeID); // Array of IDs to fill on output! G. d4 n& o$ l+ s
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if (hr)7 W: F# y* w$ M5 p( Z2 | O
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MessageBox ("Get Poke Unsuccessful");
1 @( t0 Y0 z, q8 i& h9 _! ? return;* \# T; P4 @9 H: t4 X
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( O* h' g* e! l- ~! U% r/**************************传递数据给extend**************************************/; @5 l1 {# K o1 v6 B* e" ~
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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6 o2 k* Q, B% B/ h valueStr = SysAllocString((WCHAR *) L"1232");
' Y- t# C+ i# O: ?' Y' r' |/ s. c: k7 H! t VariantInit(&pokeVariant[0]);
3 m2 Y( c* ~) X pokeVariant[0].vt = VT_BSTR;
# a. |2 D$ ]% j7 l pokeVariant[0].bstrVal = valueStr;3 ]) j/ |* a9 O6 Y" y
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
% e# d- Y- \( W& q0 d' ? VariantInit(&pokeVariant[1]); {9 x9 |! f% p7 A) H
pokeVariant[1].vt = VT_BSTR;* w7 R2 C9 d# A/ a
pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
! b" Y7 K3 x' \; b! V; p VariantInit(&pokeVariant[2]); , r$ R; j) ] g. m: Y% L
pokeVariant[2].vt = VT_BSTR;6 }3 x, g" m( Y0 w0 o8 j- b
pokeVariant[2].bstrVal = topicStr;
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& Z2 q% |) U/ d// Set the DISPPARAMS structure that holds the variant., |4 n( F; M5 J, s, S9 L
( W$ a: p$ [" h1 a' p" w4 ^ dp.rgvarg = pokeVariant;& R( H8 {/ T3 X" H5 e" }/ S- W
dp.cArgs = 3;, \9 i! h5 x& W( P3 T) f
dp.rgdispidNamedArgs = NULL;/ d" L$ n- o8 y& S+ X% l
dp.cNamedArgs = 0;& M' Y5 i' j6 J) D; Y. k Y
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
6 q( a; B" D, z, X! ~; p pokeID,8 D6 h* W* w8 s) O
IID_NULL,
) I7 S6 _& J: G8 X0 V LOCALE_SYSTEM_DEFAULT,/ ]: a! X: L- K D! b' `
DISPATCH_METHOD,
1 c v! H: F6 V. o &dp,
# Q/ F) @- l! c z! A NULL,
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&uiErr);
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( F$ }/ e s/ X U: c4 R% O SysFreeString(topicStr);
" G: x! s% C& C# V" b% t SysFreeString(itemStr);7 r" e7 b- w' w5 }$ F# r. X
SysFreeString(valueStr);
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" M) c$ @* f- S3 p现在这个程序可以实现将1232这个数据发送到extend,extend有一个对话框弹出并出现1232这个数据,不知道这个对话框为什么会弹出并显示这个数据???! a* }! C m! q$ F
此外我希望将这个数据赋给extend程序里面的一个变量,请问如何实现????2 D9 @' E- Z- g- z- C) P
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2.这是request的程序
! Z0 t% J/ n8 Y/ l3 y+ n// Request a value from Extend
7 _" H- y& W" ^9 U# e0 m' ~//
) C8 a. H( H# [9 g8 l8 j1 @- T// Initialize the variant that will hold the BSTR. Set the variant's& r+ A$ b. c" {% i9 z. \
// type flag to indicate the fact that this variant holds a BSTR. Place the. \/ k7 T0 \4 P5 P& t# P
// BSTR into the variant structure.0 m5 s+ I+ A }# s" x7 h8 P: A
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);) O {3 x/ J4 T+ c
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
1 c5 Q2 X5 K; G- G( W VariantInit(&requestVariant[0]); 9 ^( |+ K" U+ {. G; t$ y# Z* d: s
requestVariant[0].vt = VT_BSTR;
) B8 J t: @4 l# f requestVariant[0].bstrVal = itemStr;
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. d7 [1 }5 c) O$ J8 j. y: g topicStr = SysAllocString((WCHAR *) L"system");) b# Z8 v8 p C" Y) |4 U
VariantInit(&requestVariant[1]);
9 d' c* O" P7 }/ C' o+ z, Y% c) S5 X requestVariant[1].vt = VT_BSTR;& B7 v/ F( A- |! a
requestVariant[1].bstrVal = topicStr; W- _9 _) N D( i
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// Set the DISPPARAMS structure that holds the variant.5 j: B( }+ D, j' a. g
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dp2.rgvarg = requestVariant;
% R2 H6 o# j+ A& ~( o6 ^ dp2.cArgs = 2;4 f" w7 A/ {) K8 t) n
dp2.rgdispidNamedArgs = NULL;
v# L" C% ?- Y; a0 G! f dp2.cNamedArgs = 0;
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* O; k( W& w1 c var.vt = VT_EMPTY;9 ^- H; p7 ^1 f3 u
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// Call IDispatch::Invoke()3 d0 k/ Z$ i& z5 }" }
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hr = m_pDisp->Invoke(- ^( C5 s% a3 C- X9 H L0 T7 s9 b
requestID,1 i g L& X/ F- \1 w
IID_NULL,9 y4 H. s/ w5 x% H5 \
LOCALE_SYSTEM_DEFAULT,
# V/ E/ D8 @6 \) T& c DISPATCH_METHOD,+ h3 P2 F$ S6 ]; E8 y& n* _3 |% _
&dp2,
' l5 L' z& y, Q0 T &var,4 q9 {2 ~+ y5 Y0 I v m& k2 a
&ei,0 t9 {* N& t, }4 V
&uiErr);
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. Q) G) q* V7 ^, P3 K SysFreeString(topicStr);' h& ] s2 N e; P7 b# M/ s( }
SysFreeString(itemStr);
/ m2 Q* o# p0 N" H7 x) U请问该程序是获得extend里面的哪个值?
2 M! }4 o& j% q7 H4 Q3 c) Q如果我希望获得extend程序里面的某个变量的数值,那个c++程序应该如何实现???? |
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