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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:
: I+ X3 Q! e/ _4 RName = (WCHAR *) L"Poke";
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6 O3 Z. L# R2 V8 a" s hr = m_pDisp->GetIDsOfNames (
@5 o. y; p1 {2 D IID_NULL, // reserved
+ h4 {) ~9 ~" I, N1 F5 Z) N &Name, // Array of names to get IDs for
" q8 D) M. L1 q j0 O! u9 g 1, // # of names in the array
6 m3 \( @5 J8 W. U* z+ X( j LOCALE_SYSTEM_DEFAULT, // System locale
( T4 `# R5 u( i9 q- y/ J/ P &pokeID); // Array of IDs to fill on output" f# L& g: E7 |, L1 L2 g
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if (hr)9 Y! y# b4 ^' f6 P" Q2 \: x
{
2 o K8 ]' S4 Q, }- H1 m MessageBox ("Get Poke Unsuccessful");$ L' v0 J& _8 M D
return;
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: w+ M" a1 ]) x/**************************传递数据给extend**************************************/. W& r% D7 @; e6 I) V
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);: _; ?1 `8 s! d
. P) l, [" {8 u: Z6 \! M4 q valueStr = SysAllocString((WCHAR *) L"1232");
* f8 p: i6 @+ l' o- h1 @8 t/ T/ A VariantInit(&pokeVariant[0]);
) D3 U6 a0 O# f* W) u; Q3 X; D pokeVariant[0].vt = VT_BSTR;# }" T. y8 Z$ y$ `% s3 f
pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
5 }4 z( { G% X. f$ ]" P VariantInit(&pokeVariant[1]); + h* ~& U9 y# Z) }# }1 Q8 A- I
pokeVariant[1].vt = VT_BSTR;2 C8 v0 E- o# L; @, o
pokeVariant[1].bstrVal = itemStr;" e& s( Y% K( [& ] e
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topicStr = SysAllocString((WCHAR *) L"system");+ x4 [% u- d! W1 o3 V, T% P* X, o
VariantInit(&pokeVariant[2]);
8 u7 V# M9 n. B @+ G pokeVariant[2].vt = VT_BSTR;6 _; y6 X% ?1 `
pokeVariant[2].bstrVal = topicStr;5 S7 Z* i ?0 B! |5 B0 |
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// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
8 f: ~ o' K4 Q2 F a dp.cArgs = 3;- c# |% ]0 g$ {3 ?
dp.rgdispidNamedArgs = NULL;
' j+ m8 H: c g1 O1 S, j4 Y8 |, | dp.cNamedArgs = 0;
4 j4 R J% p t j e
; j. D1 J; A o9 Y. c1 g& X// Call IDispatch::Invoke()* J8 e9 j$ p0 Z- L. m) \6 i, d
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hr = m_pDisp->Invoke(
8 ?. Q- b" V* S, T# b2 g1 V1 m pokeID,8 M4 E" B% z8 A" g$ }, K: c
IID_NULL,( k4 x" p9 s# [9 C# s
LOCALE_SYSTEM_DEFAULT,% i" @9 n1 c# B6 U9 N9 X
DISPATCH_METHOD,9 G5 q( x& y" N0 X9 ^( p
&dp,2 h: B) g: B" {% h
NULL,
+ p; F/ [* D" o8 v3 P' @1 t; h &ei,$ L& q* J: u/ r' ?. k6 w2 N
&uiErr);9 B' G: M/ s( I0 d' s0 a- G
8 ?4 n! F3 e8 P9 x/ b. l
SysFreeString(topicStr);: r$ J2 [- w/ S g0 Z# b
SysFreeString(itemStr);
- a& l8 d5 O9 k; y. l. y SysFreeString(valueStr);4 g- ^7 K& P$ y! j0 z
. a5 w, F4 Z) R+ \) D
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???4 B" X, @: z: b5 |: l* T
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
) P; s! s: k8 ^& d) t; A( _// Request a value from Extend
) g0 c( w, k# U//
, A# t. {4 P9 d- j// Initialize the variant that will hold the BSTR. Set the variant's
6 [% Q! G. V8 a// type flag to indicate the fact that this variant holds a BSTR. Place the1 N U0 {, I5 T
// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
# v. w3 b9 F$ c# R* U VariantInit(&requestVariant[0]);
8 R; D8 w7 x& Y: C$ q, h t! F2 J requestVariant[0].vt = VT_BSTR;6 X" Y C, m7 A
requestVariant[0].bstrVal = itemStr;
* c1 v* c- y! H
% D" Y% |( E: s2 X0 L# f) w, R topicStr = SysAllocString((WCHAR *) L"system");+ w/ g- |4 N E9 O
VariantInit(&requestVariant[1]); & D1 E8 O# x5 q3 G% X+ G* M
requestVariant[1].vt = VT_BSTR;, h% z& e8 @/ G' o) f9 U
requestVariant[1].bstrVal = topicStr;
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* y3 h! d; {8 V4 ]// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;+ L# D( j9 X* }) H
dp2.cArgs = 2;; F) l$ r# f; @) v/ |
dp2.rgdispidNamedArgs = NULL;
9 T& F* v7 f, @* t1 X6 J$ @6 Q dp2.cNamedArgs = 0;: \4 k7 V; o5 ?% C# K
2 U1 m' ?+ S# i* V3 q/ C var.vt = VT_EMPTY;' r! M; E) c5 O- Q, N1 l5 W2 g
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// Call IDispatch::Invoke()
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* G3 s# Y- o4 D hr = m_pDisp->Invoke(
# u" ?1 W4 ?+ Y! ]6 |' I/ w requestID,
P, w& C( ?( q5 [1 ^/ B IID_NULL,6 U+ d% n, t8 \( M# ~2 x
LOCALE_SYSTEM_DEFAULT,
( z' v2 Z) q, U DISPATCH_METHOD,
) \' m, M3 n0 M# l% t2 _ &dp2,6 e9 ~, e6 r. |/ X+ r) O
&var,2 A$ }4 O# E5 E3 x
&ei,
; q& o$ C6 E& k* N' y; ^/ q0 R2 N) o- W &uiErr);
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4 y9 ^2 r/ j" H1 D SysFreeString(topicStr);# K$ M x7 N* j O5 t; {! Z
SysFreeString(itemStr);
: ]: }* }3 l3 z' L请问该程序是获得extend里面的哪个值?* P4 o V! @# w/ j7 g1 x
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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