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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:, [+ M! H9 Q$ \' i7 X
Name = (WCHAR *) L"Poke";
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5 [9 h) r2 a9 i) H1 W hr = m_pDisp->GetIDsOfNames (
( E& e: V" F3 F IID_NULL, // reserved H& f7 b( s1 c3 G ?
&Name, // Array of names to get IDs for
C* G' ~) \+ ^ 1, // # of names in the array
, ^1 e, o1 a4 n' O# L* G LOCALE_SYSTEM_DEFAULT, // System locale
! C! z& B% B$ t' l: |+ H* P &pokeID); // Array of IDs to fill on output3 Y; e9 F1 i8 |. D& M' y
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if (hr)7 ?" B+ O$ v: B j. C0 k1 A" R1 W
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MessageBox ("Get Poke Unsuccessful");4 x9 c7 Y( Z1 E! B: w5 t4 ?
return;. V# f0 B) s! W$ K# q# X6 \+ Y8 m: W
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: O, z# I% ^) \- h' s' U/**************************传递数据给extend**************************************/
+ u+ x8 s8 R/ c# x& O3 O/ h pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);7 Q; Z# w4 k1 L+ J Y+ E
+ \& H9 m7 B( M$ k% G: | valueStr = SysAllocString((WCHAR *) L"1232");' J! B$ j% |9 |) h* ?# Y! P- o
VariantInit(&pokeVariant[0]);
! d) a9 u) ~% H D* y- q: {, X pokeVariant[0].vt = VT_BSTR;+ N) B% N( u8 D1 M+ d$ `; o
pokeVariant[0].bstrVal = valueStr;8 H' o. @- M2 M* Y
$ |% J$ g- N$ T% n0 T2 a7 V itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
7 A8 @+ e3 X9 B1 q, [% i VariantInit(&pokeVariant[1]);
8 Q | T" _1 V, y pokeVariant[1].vt = VT_BSTR;: Q; ~' G7 c$ f" O2 [
pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
i0 i6 @8 T. p, x- W* n2 o" P VariantInit(&pokeVariant[2]); ! ~1 o0 V. S* t* C; G; ~
pokeVariant[2].vt = VT_BSTR;
8 }( U" T# _9 F8 w# x R/ U! ? pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.9 L8 i7 Q% [& X/ @& e: [
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dp.rgvarg = pokeVariant;, }, _. c; q1 ?; V
dp.cArgs = 3;
7 ]$ A6 T5 F; ]% ]% ^' m$ L) I, r dp.rgdispidNamedArgs = NULL;0 L/ f& t$ l' q8 B
dp.cNamedArgs = 0;
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& J6 \' ^6 u9 a( b0 C// Call IDispatch::Invoke() l5 v* F/ V/ G: Q) G7 m9 r/ \9 j
" A8 ?. s. R c2 D8 f hr = m_pDisp->Invoke(
, n% h5 A1 K3 [3 y' t pokeID,# D8 c% e' n9 L$ O m6 @$ K& ^" h1 ?
IID_NULL,9 }! `. V9 e/ H5 i4 Y) x& p+ R
LOCALE_SYSTEM_DEFAULT,
: Z% [. ~3 o9 M% w* d4 v DISPATCH_METHOD,
. o, r8 D& o, ~9 S4 L# ? &dp,
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&ei,
* Z7 n7 S+ H! K% }. ?$ c: R &uiErr);) d7 |$ f! ~ k
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SysFreeString(topicStr);5 n0 `) K- x" h+ s
SysFreeString(itemStr);
" J+ J' ]) v9 i, K SysFreeString(valueStr);
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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???
2 K; y4 `* R& `! g/ C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????/ m+ m8 K. \( U2 Y8 g8 S
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2.这是request的程序" U* i/ e( R' S+ l( _3 S
// Request a value from Extend
L3 Y3 Q4 H+ Z* D# J' y, l//
9 i, Z, O& B) R; h0 I9 y// Initialize the variant that will hold the BSTR. Set the variant's
6 W$ m7 J$ f2 d1 L+ u// type flag to indicate the fact that this variant holds a BSTR. Place the
8 o: x: a3 T5 M3 D// BSTR into the variant structure.
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4 q% F- U$ c( j3 x8 b0 l requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);* Z( Y2 I% T0 c% R
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");3 {8 \$ k. z2 f' Z0 c% |
VariantInit(&requestVariant[0]);
# Y9 n0 E) n, c4 U$ A requestVariant[0].vt = VT_BSTR;# V7 h0 h( E- p9 A6 p
requestVariant[0].bstrVal = itemStr;7 W$ a2 l( V, ^
: ~( E5 D) E; f4 O0 K" k% h" G7 B" z8 L topicStr = SysAllocString((WCHAR *) L"system");2 o- @! o4 T; b+ A6 p2 C! |
VariantInit(&requestVariant[1]); ( T# W( U: d$ I- B( `4 c
requestVariant[1].vt = VT_BSTR;
1 @, D! R A) Z$ g* f( K. [( \$ b+ P requestVariant[1].bstrVal = topicStr;
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* M/ y% r3 m* [6 f) W0 P// Set the DISPPARAMS structure that holds the variant.5 A0 @( J4 e1 Q* w
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dp2.rgvarg = requestVariant;7 U) K+ U, t& O+ u
dp2.cArgs = 2;, a$ B h/ y4 Z' m2 w0 t: w3 R
dp2.rgdispidNamedArgs = NULL;, E0 I3 r1 F# q/ d) P
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;. D5 E! C- G' b& p
0 {- l1 ~1 [! U8 h7 v& i// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(: w, M0 A6 E0 j+ }0 p+ G( K
requestID,- h# v4 N$ x8 B/ U
IID_NULL,
# X) _* Q3 S& u6 ~/ W LOCALE_SYSTEM_DEFAULT,
" a# Y* R2 q! ]) m# m- g2 X DISPATCH_METHOD,- f0 q4 s/ f/ V. J8 f
&dp2,
4 S( Z0 g \0 F) V" X" t* Z# Y &var,' j8 X. z7 n. K) k" H
&ei,# J2 |% B; r& \/ ~; b
&uiErr);6 M9 ~9 Y* ]* R% j* e8 D
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SysFreeString(topicStr);) M. Y( a" U- g0 L2 T9 e
SysFreeString(itemStr);* L& U- X+ ^. y& a0 j
请问该程序是获得extend里面的哪个值?" b& g9 p+ Z% ~) o. i; ?6 t0 E; S+ |
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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