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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:* G3 w: x' c; y2 N
Name = (WCHAR *) L"Poke";: t8 @5 q$ W% [$ j1 H
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hr = m_pDisp->GetIDsOfNames (4 I; J5 X5 }4 W0 G0 c: i. H2 f
IID_NULL, // reserved4 `- o5 D7 t% {8 a& V$ i
&Name, // Array of names to get IDs for$ H# s: \- P- i8 Q" s' A Y4 R
1, // # of names in the array. X5 v5 \' T" D9 P3 u* @; H4 n
LOCALE_SYSTEM_DEFAULT, // System locale8 V1 V- {7 U0 P1 e x
&pokeID); // Array of IDs to fill on output
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7 A [; ?6 _6 ^5 ]% W if (hr)
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MessageBox ("Get Poke Unsuccessful");5 S0 M0 ^& a* i" d m: L
return;
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/**************************传递数据给extend**************************************/
0 H3 J1 \) j w8 C- r pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");
4 H9 V0 G+ ]7 ^; r; U VariantInit(&pokeVariant[0]);
* F7 e4 Q% u- I0 v3 F6 z pokeVariant[0].vt = VT_BSTR;2 j2 Y( B5 D, d9 O: D- q3 N) }
pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");" U" R( Z" I& O. P* e! r
VariantInit(&pokeVariant[1]); ( B; L, t/ M n" `' F7 H
pokeVariant[1].vt = VT_BSTR;
+ R: C% u# ^3 \ pokeVariant[1].bstrVal = itemStr;
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* G. @7 R1 W; }* t. S7 e1 R3 B; ~ topicStr = SysAllocString((WCHAR *) L"system");; ?* r9 K) K6 L2 Z
VariantInit(&pokeVariant[2]); * {1 J; ~# o, c4 ^
pokeVariant[2].vt = VT_BSTR;
5 z/ R# j. x6 C; `7 J6 l pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.9 P( I( z. C' D E' w* z! ?
3 n& p/ ~3 p0 T+ T& Z# I8 ^1 T; l dp.rgvarg = pokeVariant;! m6 D# [" L/ E8 V5 }
dp.cArgs = 3;
$ U" ?& t! t% Q7 {0 u$ `% [- y9 J' N dp.rgdispidNamedArgs = NULL;: }; K1 l/ P6 L0 v- N2 G# ?0 k
dp.cNamedArgs = 0;! C q- Y- i1 o; q- M
" w2 r) W! C o9 H4 b4 j. F: l4 t// Call IDispatch::Invoke()( l% R% g: p, K, F' r+ v
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hr = m_pDisp->Invoke(
5 e4 P9 ^# m5 `, Z+ Z N) n pokeID,
$ v3 D) B2 a& t9 | IID_NULL,
1 I) d l, k: I8 q LOCALE_SYSTEM_DEFAULT,0 X5 p( e6 D& g9 c+ k q0 _* P0 L
DISPATCH_METHOD, e$ F2 t5 ?+ C
&dp,
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&uiErr);
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SysFreeString(topicStr);
0 d# f) ]& h& v. P4 S SysFreeString(itemStr);6 F/ W# Q6 i# f" g
SysFreeString(valueStr);
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Z4 ]6 d' r7 n8 b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???0 J/ t7 b; |: @8 l: 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????* q! D3 N3 C9 ?
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2.这是request的程序
5 ^; m$ y/ p+ g* t' o& `// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's
" y6 T' w4 B( S$ z8 V' a// type flag to indicate the fact that this variant holds a BSTR. Place the
- y3 v$ P# d* T# y2 o4 \// BSTR into the variant structure." G- i- {) `! r" O- v
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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9 f6 p5 S5 \# E- C) k! G! H3 n itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");9 R' z6 q3 f% e# D8 f$ A2 C
VariantInit(&requestVariant[0]); 7 A9 t$ y1 o. ?) @
requestVariant[0].vt = VT_BSTR;
3 s( h5 @+ E# w/ Z4 v l& u' L6 z requestVariant[0].bstrVal = itemStr;; T0 G# Z8 ~: V. r% F [: R. |
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topicStr = SysAllocString((WCHAR *) L"system");6 U$ K* G5 V! X& y5 q: w( Y
VariantInit(&requestVariant[1]); 3 h( O3 M% @' {6 B4 C
requestVariant[1].vt = VT_BSTR;# X+ p" {8 R' ~: }
requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.: q+ z+ z( g# E* J+ H4 D
, P% z2 L1 J8 |) _* W dp2.rgvarg = requestVariant;
5 c5 v7 [( Y' R( h+ I0 d% n dp2.cArgs = 2;; }* z9 G1 B6 v- L6 B
dp2.rgdispidNamedArgs = NULL;
0 E# C; a* @* Y( o0 O; H+ d dp2.cNamedArgs = 0;' c5 c& w! N: n( p4 ]
! D @2 _/ `* s: g, Z7 o var.vt = VT_EMPTY;. r. M# @& [3 E- O# z- q# D
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// Call IDispatch::Invoke()" n* e8 |# W% {# _; ^* o
4 F& ^& L' B! @5 G6 t hr = m_pDisp->Invoke(
7 p) _$ r! Y3 Z L( L requestID,
7 x( J3 x) V* k- c' `" q# S IID_NULL,
/ q7 `3 d& w! T LOCALE_SYSTEM_DEFAULT,- S M$ N0 v1 h& `4 r7 z
DISPATCH_METHOD,# h. F' z9 d* K; A
&dp2,1 q5 z4 F. W8 M8 V
&var,5 q8 R/ C& F" b/ ]3 t
&ei,. v( A$ h" N6 V) h4 |! j8 s
&uiErr);3 ]9 g0 G7 J. _! v2 n; p" z8 |+ ]5 R0 V
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SysFreeString(topicStr);2 C: Q8 p0 d4 U; Z
SysFreeString(itemStr);; M. `& { y1 N8 L$ C5 s: J- ^9 Y
请问该程序是获得extend里面的哪个值?
& j, ~" Z0 q R* 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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