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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:- {! Q8 T2 ~4 u4 c w$ W K
Name = (WCHAR *) L"Poke";- {& f* o7 w2 W! |; D- o/ @, y
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hr = m_pDisp->GetIDsOfNames (7 B0 P$ u# X& J: Q2 J* K. S
IID_NULL, // reserved& g% g+ u' ^' J/ X& f
&Name, // Array of names to get IDs for
$ {5 B+ G3 W$ S, W3 N1 [ 1, // # of names in the array
: O8 }: K n7 ]( R/ a' n0 J* z5 l LOCALE_SYSTEM_DEFAULT, // System locale, t9 O9 n# v3 C
&pokeID); // Array of IDs to fill on output% T2 D6 Y8 K) [. I0 Z0 L& X H
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if (hr)1 z8 P! b" }- O' b( |0 ~0 p
{
) Z$ ?9 [3 g8 _* |# h8 p3 ? MessageBox ("Get Poke Unsuccessful");
/ C6 k# N/ z D4 ]3 r. ^; ^ return;9 ^1 P0 {+ d: L4 U
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/**************************传递数据给extend**************************************/
/ h2 P8 i* x9 z' ~3 _# B% w2 u pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
+ l e8 K' O2 R4 e9 ~/ p0 P* R( [$ Y
; [; T- f- i4 u1 j valueStr = SysAllocString((WCHAR *) L"1232");6 R$ G ^. w3 v
VariantInit(&pokeVariant[0]);
; O. W% o; b1 {( Z/ D5 S! l) }* Z pokeVariant[0].vt = VT_BSTR;- U5 `9 i c* e7 E5 ~
pokeVariant[0].bstrVal = valueStr;' _1 K' j6 W4 G
5 i, Z0 E' J a8 I g; a: L) U. } itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");$ ~* s: t9 W3 Q3 X, }. P2 g
VariantInit(&pokeVariant[1]);
- O. o0 w0 x5 M pokeVariant[1].vt = VT_BSTR;
. u5 J7 y; ~0 z7 }9 Q6 b pokeVariant[1].bstrVal = itemStr;) Q, F& h5 G7 e* H
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topicStr = SysAllocString((WCHAR *) L"system");
1 y' ?* K8 d- s VariantInit(&pokeVariant[2]);
9 y I; J$ E B9 f pokeVariant[2].vt = VT_BSTR;) A. j8 y/ j3 m+ S0 W& |+ `
pokeVariant[2].bstrVal = topicStr;6 b. i. C6 u2 N
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// Set the DISPPARAMS structure that holds the variant.2 ~& v, ^0 c# d$ T* `. ?, |$ l
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dp.rgvarg = pokeVariant;
: V! |5 Z: M" C, C5 K; z2 h1 G dp.cArgs = 3;
2 V$ u- B9 `. D# c0 b" p+ W' } dp.rgdispidNamedArgs = NULL;$ x" q) U; {6 r6 Z q; G2 j
dp.cNamedArgs = 0;8 p* x" n5 j' J* n, y. z
/ o G$ {2 t! [// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
* E& h) C0 g+ |/ l1 ~ pokeID,
8 z c9 k5 t1 y6 t9 I# e8 {4 p IID_NULL,: B( P5 j& n/ u1 K3 p' u6 Q$ j
LOCALE_SYSTEM_DEFAULT,9 {% V6 _: L7 ^; q/ G
DISPATCH_METHOD,. t0 [6 s L* q$ `) i/ x
&dp,
# @8 o Q8 S' O& W+ p NULL,6 ?3 A4 q6 D \( v+ k" d
&ei,& B D* c9 z$ @/ H/ y
&uiErr);
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0 C$ c! o* u4 U: U0 j z SysFreeString(topicStr);
+ z8 F/ C7 E5 `- S SysFreeString(itemStr);7 v5 I# H; D p$ ~9 \9 J) U
SysFreeString(valueStr);
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: K+ A/ {" b8 e; C% a+ c; k8 U. \2 R: \现在这个程序可以实现将1232这个数据发送到extend,extend有一个对话框弹出并出现1232这个数据,不知道这个对话框为什么会弹出并显示这个数据???; N- _9 J3 Z& N
此外我希望将这个数据赋给extend程序里面的一个变量,请问如何实现????
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2.这是request的程序
5 x$ u1 [1 N" g' r// Request a value from Extend7 e$ o4 l1 I0 U. f
//+ v2 R7 S6 q( {' V% a
// Initialize the variant that will hold the BSTR. Set the variant's
& @3 v$ X& M& c' l+ R) ]: ]' z9 U// type flag to indicate the fact that this variant holds a BSTR. Place the
) s- H9 e$ P6 L- b5 f4 T// BSTR into the variant structure.
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0 J3 E4 B8 w6 H2 \ requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);: [) ~! G5 z3 H+ r' V: K! J
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");. Y# E! k+ b( b% G5 j( u
VariantInit(&requestVariant[0]);
- ?' @* K# Y5 n2 X requestVariant[0].vt = VT_BSTR;
2 [- |/ h6 e# P$ d+ Z. A2 F requestVariant[0].bstrVal = itemStr;8 }# @4 N: B; g" r/ b
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topicStr = SysAllocString((WCHAR *) L"system");
! v! ?5 R# X9 x6 j. H( g+ I( s VariantInit(&requestVariant[1]);
; ^8 ~- y$ ], V* \) n/ j K requestVariant[1].vt = VT_BSTR;2 _0 c3 ]' f3 w0 a/ A- \7 Y2 _
requestVariant[1].bstrVal = topicStr;6 n) T' e* s. i$ m& p
" {$ d! p1 L% h0 j// Set the DISPPARAMS structure that holds the variant.
: k% L1 d5 J' T l* I
9 ?2 }$ @' |, F dp2.rgvarg = requestVariant;" R" R- m- a5 Y! `7 I! }8 ~
dp2.cArgs = 2;0 J/ R' U9 e+ Z9 r1 \7 g& R
dp2.rgdispidNamedArgs = NULL;9 u/ @& O2 G( ^# n: U
dp2.cNamedArgs = 0;% `6 f) T: j. l# R3 }: e7 L: z* W' v
. I& G* ~/ q5 c& L6 z- Z$ ^4 ], u
var.vt = VT_EMPTY;0 k/ D' o0 p& F, Y6 g. j' g% q
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// Call IDispatch::Invoke()
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& u: Y; l3 h+ E2 W- u hr = m_pDisp->Invoke(
. H/ u4 l, G& K/ L7 K+ f* v& d requestID,4 ^' \! m& @6 m9 l
IID_NULL,
! ]7 X) G; r; ?, d8 O2 [0 a; E LOCALE_SYSTEM_DEFAULT,; @* p6 P- z" N4 v# P
DISPATCH_METHOD,: H% x( ^3 @6 R1 { M( j5 d
&dp2,1 k$ b8 G* t3 c- |
&var,
3 L+ n' w) Z* R$ ^. D! @ &ei,: y; h+ ]& j- C; Z, T
&uiErr);
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SysFreeString(topicStr);
/ t+ }6 B y" D) ^" n SysFreeString(itemStr);
' v5 L0 o# q5 v0 j! T请问该程序是获得extend里面的哪个值?# u' ~4 D# L- E: u7 ]/ S* N
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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