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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:2 i$ e' K* g8 ^8 G
Name = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames () a3 E3 t1 ^6 M3 c
IID_NULL, // reserved
. {* l- E4 Q: z# K3 n& Q &Name, // Array of names to get IDs for; l7 H' X7 r- X7 i
1, // # of names in the array, w; q, s6 Q9 R& z# ?1 p
LOCALE_SYSTEM_DEFAULT, // System locale
7 { M S% k" |, @ &pokeID); // Array of IDs to fill on output
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if (hr)' D$ ^( F& m3 u9 V6 v* M
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MessageBox ("Get Poke Unsuccessful");; Y* |: [4 w! X- X
return;) P1 L2 ?0 Z9 Y# t! _
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$ Y1 ~, U+ Q& U& O/ G$ S; f1 ?/**************************传递数据给extend**************************************/
4 B8 f6 d. l; ^: I: [- |& B6 X pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);7 y) i5 q1 O, I! C
) {! y2 j8 n9 X9 ~ valueStr = SysAllocString((WCHAR *) L"1232");
8 g; Z7 l: x# b" e1 O5 k: ~7 | VariantInit(&pokeVariant[0]);
. c3 r- G8 {- H+ p" A: t pokeVariant[0].vt = VT_BSTR;$ e7 b- |) C U, Z- d
pokeVariant[0].bstrVal = valueStr;
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/ T5 H4 t0 _* \, M itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
( a9 i c- n* M4 C9 P VariantInit(&pokeVariant[1]); : @6 ^) @2 E* c/ w2 I& S# w
pokeVariant[1].vt = VT_BSTR;- q9 n) y9 Q. m4 [
pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
: ~: M1 d9 M( {' g% t VariantInit(&pokeVariant[2]);
( K6 S* \+ D! ~7 ~% B1 ~8 u6 N pokeVariant[2].vt = VT_BSTR;, B& b6 L* \6 m6 W$ [$ V: P
pokeVariant[2].bstrVal = topicStr;
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% V, Q" Q" }- a2 u( [, J" F1 d// Set the DISPPARAMS structure that holds the variant." j7 R. B+ N( z; E& w
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dp.rgvarg = pokeVariant;
9 X0 x! D+ q+ Y. o" k dp.cArgs = 3;
9 _, T9 A+ Q$ F/ e- m0 [ dp.rgdispidNamedArgs = NULL;
, R( Y# X. k! i1 l0 I- W# e2 _ dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(, M& h2 u2 Y" t
pokeID,; t) o9 l5 R) m/ h# ]% l' g/ X n
IID_NULL,
! x* T" A3 E5 v7 X, N( _9 V LOCALE_SYSTEM_DEFAULT,
8 @* n7 p' t4 X DISPATCH_METHOD,
0 X, t0 ]: n8 }- A# J4 K5 O &dp,$ d/ V0 f3 V$ { z- V
NULL,
# y: W* R1 j0 {. `( c' k &ei,
- Y- e: A- V8 |- \9 P" L' C: P8 W &uiErr);. O% N" x ?' T5 \+ n9 T2 l
& Y f- n: j0 @" U) i) ` SysFreeString(topicStr);3 {+ m% f1 [' x( w; t
SysFreeString(itemStr);
+ h8 X8 S' J! T7 f SysFreeString(valueStr);
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( Y% v& y1 Z* z- w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 [2 u8 q- a! m- n4 A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 z6 k: ?/ I+ ^1 B
// Request a value from Extend) w c3 U7 V* q+ k7 l
//
! Q" R3 T( P' b! b' F; Y' s% ^// Initialize the variant that will hold the BSTR. Set the variant's+ T0 V3 T6 i* t8 y0 N# b/ I
// type flag to indicate the fact that this variant holds a BSTR. Place the
2 O" F) c8 X3 B" V# @ F- L// BSTR into the variant structure. \6 f* a* Y4 r( r8 } t8 `) S
% L3 Y0 l2 G9 c8 z' N# ^ requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);+ \. i. T/ W$ ] {$ ~- S* }
' o4 Q. k5 ^5 Y. k8 I1 } itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");) ?- M" _# d6 l7 \9 K
VariantInit(&requestVariant[0]);
. n6 O9 F5 f1 A0 n requestVariant[0].vt = VT_BSTR;% p+ q: C: O% o8 O1 G" K
requestVariant[0].bstrVal = itemStr;& w2 n% A' `8 S3 G! ^1 U* C
- o* p' K3 k$ E+ a topicStr = SysAllocString((WCHAR *) L"system");0 Z, W. t& U$ z8 [/ @
VariantInit(&requestVariant[1]);
* ~! c0 Z: q$ D u requestVariant[1].vt = VT_BSTR;9 t- \9 y/ i- d* g% R: |& p
requestVariant[1].bstrVal = topicStr;
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5 w3 ]5 d& T% ^% R# I0 }0 Z6 u// Set the DISPPARAMS structure that holds the variant.
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# q B9 r: |1 w9 ] t/ c/ i dp2.rgvarg = requestVariant;
$ ~9 i0 J# o( J( g, ?7 U2 V- k; J dp2.cArgs = 2;! s/ d( o2 o( C8 K Q! X
dp2.rgdispidNamedArgs = NULL;
* B: B2 |, j- {+ ] dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()1 d8 y5 w! W8 e2 I% z. L
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hr = m_pDisp->Invoke(& u' @- d5 r5 [" s0 f
requestID,$ q" R+ i. y1 Y9 g5 ~
IID_NULL,
# B( z3 B: N9 l, x, F# i! l LOCALE_SYSTEM_DEFAULT,3 N! w B% U% d# M! b9 c' K
DISPATCH_METHOD,( M' Z8 q6 o/ u" M% b
&dp2,! e+ E2 n/ @5 o/ G) [2 Y5 ~, o
&var,& l5 P: x; Z! j& K. K" e* y8 Q
&ei,6 s1 h5 Z$ M- _. W/ E1 q" J
&uiErr);
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2 x; H0 m9 B" E9 P- I9 S SysFreeString(topicStr);
( P: }5 H: M: W SysFreeString(itemStr);, s. M5 N9 _0 c9 k0 p( _3 Z0 v
请问该程序是获得extend里面的哪个值?
5 J, Z3 Z$ F t. H; c3 Q; S4 Y) 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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