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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:
$ e/ ?# u6 {* u3 y0 P% i9 n4 qName = (WCHAR *) L"Poke";; w% a0 ?3 v: f
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hr = m_pDisp->GetIDsOfNames (
" X- I" B( L: t8 q1 k- M IID_NULL, // reserved# G3 J8 l, b9 z! N. n2 u) A0 {
&Name, // Array of names to get IDs for- r: Y2 {: k- ]7 c9 X7 s
1, // # of names in the array" r3 g/ `9 Q* Z! C& E
LOCALE_SYSTEM_DEFAULT, // System locale
- N0 v( x4 @4 A+ ~ \" o &pokeID); // Array of IDs to fill on output. Q4 F4 k" p) r
; r, Z# g) t6 j) B if (hr)6 Z7 ^0 t2 R2 T3 c* X5 Q2 {7 h# m
{2 Y' c0 M) {+ v' u3 w+ { r
MessageBox ("Get Poke Unsuccessful");
3 B8 R. ]1 C; K% Z6 z* q0 e: { return;4 Q2 A/ _9 z i! T3 p) P, P
}
# j: _: i( u- s0 p2 N4 a+ ?. T% b* [, B1 W& C
/**************************传递数据给extend**************************************/: z d1 O7 V: J& s% o
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
* H1 a& u) p6 U4 \) d2 [ ! Y) U+ k; [ a2 `% b" I6 W
valueStr = SysAllocString((WCHAR *) L"1232");
& o0 R6 p5 D/ G( i# @/ {7 C VariantInit(&pokeVariant[0]);
7 B# ]+ b7 r) d' B5 { pokeVariant[0].vt = VT_BSTR;1 X" J5 @8 Q- A/ C7 B p
pokeVariant[0].bstrVal = valueStr;1 ~5 {! V9 `9 f9 k" L0 \
/ q7 _0 W. k$ j1 R( [$ S itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");; A8 ` h `5 c( W! z
VariantInit(&pokeVariant[1]); - a% g" k6 @7 i+ F7 D: J: G9 Z
pokeVariant[1].vt = VT_BSTR;; k. O: C& \6 A! m
pokeVariant[1].bstrVal = itemStr;
4 o1 s; {) Q X4 M" b8 U6 ^3 ~4 J# {
topicStr = SysAllocString((WCHAR *) L"system");
. r% @3 T" I/ X8 Y% l3 M- U3 C VariantInit(&pokeVariant[2]);
2 ?0 g2 r8 N1 C pokeVariant[2].vt = VT_BSTR;$ B( `5 R" W3 U* {5 \* b6 I
pokeVariant[2].bstrVal = topicStr;
" a9 y" B' C i
% N1 f0 X) ^; L1 |# [8 w+ S// Set the DISPPARAMS structure that holds the variant.. p8 I# K% \7 h
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dp.rgvarg = pokeVariant;
. J2 i6 j: z d: E: c dp.cArgs = 3;
( x, b, P' s! T1 Y/ {. [5 v( g4 Z) i dp.rgdispidNamedArgs = NULL;
7 x- |7 A3 @" f3 O8 i, `2 V A dp.cNamedArgs = 0;
/ F }. r5 `# \
- }) H- l+ x0 ?; @ H6 q# P/ H8 _// Call IDispatch::Invoke()+ ~5 p3 U3 e% `# j+ _
1 Q9 ?3 y; Y9 F: e4 l hr = m_pDisp->Invoke(8 A/ L2 ?" } r% z
pokeID,) ~5 V8 P4 N; Y6 L% |+ }! P
IID_NULL,
3 n6 S, x3 o- M! p LOCALE_SYSTEM_DEFAULT,
3 i. R5 @. J7 Z$ Y' j DISPATCH_METHOD,6 a, R0 F5 D1 [, I! b- C
&dp,
/ d; v. q. |; p NULL,5 H* P/ w% E$ @. a+ ]: B3 |
&ei," h7 r; e* v. L+ N% }2 T* V& N
&uiErr);7 W* A: b: z% H
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SysFreeString(topicStr);8 z) U* ~) p% E; h
SysFreeString(itemStr);$ N) l: T3 e& h2 @0 }
SysFreeString(valueStr);
4 o8 x: ~" v4 x4 Y$ ]1 D3 K8 s3 Y6 c3 c# |/ N/ ?
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) o, N# B* M9 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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1 G5 m$ n$ l4 A
4 ]) v* |( V( i# r/ f2.这是request的程序
+ _+ a9 U6 x; J% {3 ^1 i: o& i A// Request a value from Extend) g/ b* G) T6 C7 w( ^) }0 r
//0 M4 X: B5 S: I. a0 X
// Initialize the variant that will hold the BSTR. Set the variant's
5 k3 {0 a: ^9 B- c" Y: Z4 V// type flag to indicate the fact that this variant holds a BSTR. Place the
. B( h/ g5 i& w3 K3 I% b4 ?9 a// BSTR into the variant structure.
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( g d K/ I! [7 b- u$ b; O requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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: ?+ i- ~: ^2 S$ j7 ^ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");" C% ^0 d; r% v' v( v
VariantInit(&requestVariant[0]);
0 M9 _3 n1 i1 }- L requestVariant[0].vt = VT_BSTR;& ^ {8 T2 ?( K% v; Q. L
requestVariant[0].bstrVal = itemStr;4 Q7 e% ]9 Q+ \( ?. V, q0 ?
0 H7 U5 q1 b- z2 `4 G7 |4 U* B topicStr = SysAllocString((WCHAR *) L"system");; K/ k: I. M6 b$ a! m* B
VariantInit(&requestVariant[1]); 1 ~9 u, |* @$ d' R( R
requestVariant[1].vt = VT_BSTR;
* P% f1 L8 g: `1 ^3 i% J+ m: y requestVariant[1].bstrVal = topicStr;8 U9 j; F, O' T5 ?& \
5 v# p4 d/ h3 y# G; d) A
// Set the DISPPARAMS structure that holds the variant.! C a) [& g+ F5 R1 [1 \
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dp2.rgvarg = requestVariant;$ {. L( W5 y# \% E- a9 k, I
dp2.cArgs = 2;
2 g, }5 v [- a% {3 d1 o dp2.rgdispidNamedArgs = NULL;
, Q* [9 E5 n! n; f* _1 s. g& M6 g+ N dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;- M' l% [, P- J3 P3 G, A3 D
+ n5 t6 j1 v4 w% p; g// Call IDispatch::Invoke()& I( Q9 g- f2 j# O J: L; h
* ^, j; \& t: p hr = m_pDisp->Invoke(9 H8 g3 r5 x! l% l' O
requestID,
/ U. A2 _* w( V; D- I7 g0 k" [ IID_NULL,
/ U5 _- N- Q6 x4 h k LOCALE_SYSTEM_DEFAULT,
4 \7 }* b7 z* N- P, A5 R DISPATCH_METHOD,
- Y* e, R# T" s4 D6 M( X &dp2,
5 W5 }) X, m8 e* |: B &var,+ A" d1 b0 ]4 m" x
&ei,5 A; A% V1 w6 o+ L4 p* _3 L. ?
&uiErr);8 B+ B' `6 `* v+ W7 W2 B
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SysFreeString(topicStr);
& l7 M' Y0 x- V/ d! m& W: ` SysFreeString(itemStr);: C* _; R) \2 Y8 }( B4 o
请问该程序是获得extend里面的哪个值?
8 ~# r0 |- E1 g& K/ Z! d" {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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