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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:
; f# O& X. L4 X0 `$ s XName = (WCHAR *) L"Poke";
* E8 B) X) v+ d 6 ^: k. m2 h" f: C: I% V
hr = m_pDisp->GetIDsOfNames (2 U( G d' D2 P2 F4 \- t& ? p3 h
IID_NULL, // reserved9 U& s( h/ x' ^8 y; I
&Name, // Array of names to get IDs for1 {, U% F ]7 }9 \8 N7 _/ {1 Z" n- G" s
1, // # of names in the array
/ E& P% g: j- d LOCALE_SYSTEM_DEFAULT, // System locale
* a+ `8 n! h- v$ a &pokeID); // Array of IDs to fill on output! H. t$ s' }& Y4 l% Q
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if (hr)
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MessageBox ("Get Poke Unsuccessful");
8 v r/ U, Q0 I8 m" F return;
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$ ^* O9 V8 {5 N7 f! y7 ?/**************************传递数据给extend**************************************/: m. d5 V# J7 A' s3 A
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);) d& [9 f6 d; x% U
2 L) T; j( ` i) h$ `" d valueStr = SysAllocString((WCHAR *) L"1232");
) @& T7 K. ]( L8 t" \ b; d VariantInit(&pokeVariant[0]);
1 r! {3 `9 B" D/ P2 Y& c$ s pokeVariant[0].vt = VT_BSTR;
8 Z; _7 Q3 `3 D6 H1 H( t pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");$ a1 e# x1 O; x
VariantInit(&pokeVariant[1]); 1 q' o* Y$ }6 T6 R& R
pokeVariant[1].vt = VT_BSTR;
2 `' V5 M8 @8 i& d- p/ Z/ y$ L5 R pokeVariant[1].bstrVal = itemStr;8 p, X/ z* H* [
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topicStr = SysAllocString((WCHAR *) L"system");3 b% h: P5 R+ y% j% p
VariantInit(&pokeVariant[2]);
! P5 h( I1 U0 i, n" Z pokeVariant[2].vt = VT_BSTR;3 ?/ s) M1 j7 }7 _1 y5 [
pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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$ D5 M$ k. [' |& }6 E9 k dp.rgvarg = pokeVariant;
2 `1 V, I/ S, a6 a. }' |3 {$ z dp.cArgs = 3;
3 u- Q. F7 @( T2 ^; b. \( r dp.rgdispidNamedArgs = NULL;4 i1 @0 V* e+ A7 k
dp.cNamedArgs = 0;& q8 Z4 q+ i. P
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke() u" J) c! }$ p& l6 K
pokeID,: U/ C6 Z2 W$ B2 `1 S
IID_NULL,
4 e+ k" d7 D* m! b4 `# M: W$ i LOCALE_SYSTEM_DEFAULT,
' i& j" t; K; o% h DISPATCH_METHOD,+ d+ u: x+ a5 W* t% S
&dp,
$ G% r+ Q% Z2 z; j r+ F8 D NULL,9 ^) a4 V7 c, b! Q
&ei,3 Y) j& A3 l" O0 f) M
&uiErr);
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SysFreeString(topicStr);3 r+ s& J: }& H2 a) D" e
SysFreeString(itemStr);2 Z; O3 z. S. C" X* x0 i3 t4 T
SysFreeString(valueStr);
2 T- ~ h/ I7 {$ j1 ~$ K
& C* ?5 V0 b5 k B' i! h7 y现在这个程序可以实现将1232这个数据发送到extend,extend有一个对话框弹出并出现1232这个数据,不知道这个对话框为什么会弹出并显示这个数据???
8 y" n& P' c5 w6 I: e此外我希望将这个数据赋给extend程序里面的一个变量,请问如何实现????
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6 ]! a) \/ n( p1 @4 b% q2.这是request的程序
; @( i) J0 q- U+ \) Q# e* N! i// Request a value from Extend/ x) }: g2 L' \, s W* r* A* u+ P
//9 L" v: `% k$ m; V/ k. ~
// Initialize the variant that will hold the BSTR. Set the variant's! k7 |; B- J2 G
// type flag to indicate the fact that this variant holds a BSTR. Place the
+ d7 m" w! u8 s7 u/ v// BSTR into the variant structure.
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; p8 g( S6 M- |9 b6 @# N5 s requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");9 H8 p' k. u9 n
VariantInit(&requestVariant[0]); ( }2 T' x/ }& ^; t ?9 |& d2 {5 f
requestVariant[0].vt = VT_BSTR; }2 f; U0 R, i3 _, q- ?9 U; p
requestVariant[0].bstrVal = itemStr;
; U8 k' u/ x6 n% W: k
3 s' A( o _3 c; S topicStr = SysAllocString((WCHAR *) L"system");
; J+ t" B! y# u3 m9 j VariantInit(&requestVariant[1]);
& Y6 w; G8 c4 d) F" ] requestVariant[1].vt = VT_BSTR;. ` d# R7 j, I
requestVariant[1].bstrVal = topicStr;
2 T* U# W0 Z8 H' ?" F
7 s1 _8 A- |+ F0 d3 {! W$ L// Set the DISPPARAMS structure that holds the variant.
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/ `% I+ q) F7 }6 N3 D( U dp2.rgvarg = requestVariant;1 C- n, x% `6 U7 i; x
dp2.cArgs = 2;
* K0 l1 J# T8 n" n$ \ dp2.rgdispidNamedArgs = NULL;
: e8 X( s6 @+ v1 O dp2.cNamedArgs = 0;/ P+ b2 b9 t9 v5 @
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()
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% |; p+ G" i2 }6 S! x hr = m_pDisp->Invoke(
T7 o& M5 a3 ]& ^ requestID,) i2 u, W! B3 F4 d/ o
IID_NULL,' c( a. R& }- E9 w1 O6 U
LOCALE_SYSTEM_DEFAULT,1 o6 Y' Y! D: @
DISPATCH_METHOD, H/ Z3 `- ^6 f$ E! V: S/ P
&dp2,
+ B! K/ s6 J. h: | X1 G: g &var,: P1 q" L: p, y2 Y8 X1 F
&ei,; A/ U# ^9 D- L7 B4 B' I" b
&uiErr);
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2 Y4 b+ Y* M9 u: d' g+ `( [7 h SysFreeString(topicStr);
: v- j1 C) t7 N. v) P! B* e* o3 |2 m) K SysFreeString(itemStr);# J6 m6 `- \* k, l8 t6 x0 r6 ^
请问该程序是获得extend里面的哪个值?
' K* q- \- L9 @/ j* \3 l& f/ r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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