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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:: T+ K* i4 C! `0 y+ R
Name = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (4 H, u7 ?# Z+ v& E
IID_NULL, // reserved w* O- O* l& k7 B; H3 W" J
&Name, // Array of names to get IDs for
( W" o W1 o1 b8 A4 M: X 1, // # of names in the array: x5 W6 Y) O- Y2 P0 I% r2 J
LOCALE_SYSTEM_DEFAULT, // System locale
/ w) N% J! x" \1 X$ g2 \# L &pokeID); // Array of IDs to fill on output3 _) r! J; \; ^$ M, j7 d) j
( Y9 `1 z! c3 ] if (hr)
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) z! v. M+ E k- [ MessageBox ("Get Poke Unsuccessful");! ]% g; l$ d9 a3 P
return;
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/**************************传递数据给extend**************************************/- W4 I o- n0 c) W2 o: f
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);9 x# P6 | L3 X8 J' ]
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valueStr = SysAllocString((WCHAR *) L"1232");- y& Q" l6 V' [: r
VariantInit(&pokeVariant[0]); , ~$ a( ?% c! V5 t
pokeVariant[0].vt = VT_BSTR;/ g" ^6 t, V/ }
pokeVariant[0].bstrVal = valueStr;7 p% c, _2 w' }/ _) X$ n1 N
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");0 {4 K& U/ e: s* b; [2 C
VariantInit(&pokeVariant[1]);
( U5 ^! @( C: G) Q: U V pokeVariant[1].vt = VT_BSTR;
" A& @+ B. j6 b pokeVariant[1].bstrVal = itemStr;& L; f& X% R% F
/ G6 |+ ^; `( c& d) z! ` topicStr = SysAllocString((WCHAR *) L"system");, \& S5 V6 T3 H1 ?9 R
VariantInit(&pokeVariant[2]);
" G/ B+ o4 w- v1 H8 @/ j. `. S7 K pokeVariant[2].vt = VT_BSTR;& F0 m3 s& A( S7 W
pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.+ E$ r" ^7 b4 R
$ W4 G" R% K" _1 F8 o* R dp.rgvarg = pokeVariant;
1 I5 Q7 `' o5 n1 G dp.cArgs = 3;; r9 i1 F) ?. ]5 v0 ^- j l
dp.rgdispidNamedArgs = NULL;
+ J0 Q5 J+ D" b/ i+ t. a5 l dp.cNamedArgs = 0; S8 q$ S) y0 n7 [( K
. m$ W4 K, z" y. [% P m/ X// Call IDispatch::Invoke()
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3 _+ ]! Z+ q) C3 c+ ] hr = m_pDisp->Invoke(
# P. m2 a. r- l ~6 H+ {; f. M pokeID,# l9 v- T, `' ]
IID_NULL,
6 m; g# V: N; `1 Y8 V LOCALE_SYSTEM_DEFAULT,* j! ?; M1 e! c
DISPATCH_METHOD,
- y& w* n9 N0 g8 u( S &dp,+ v5 `. [( R0 A7 F, n4 }
NULL,
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&uiErr);4 U! C8 ~6 n2 t; v/ q
: d7 |0 E6 F" b SysFreeString(topicStr);& w9 P2 I" g0 b; V6 F
SysFreeString(itemStr);* v* [- ]' `0 n) Y
SysFreeString(valueStr);& p- P5 E) u7 u' A
0 E! {9 \5 ^: P( k0 y L" U; h( 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???
$ m7 a2 z! M/ k2 V: d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; l/ u( j9 R+ f; m7 z6 Z
// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's
7 F l% \2 H5 Y& ]& Y. V f7 R// type flag to indicate the fact that this variant holds a BSTR. Place the
\) L0 S4 d4 [// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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5 a* m1 K+ Z8 T) V" z itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");# q/ d- E, v# D: J; g
VariantInit(&requestVariant[0]);
) C Z8 C' m( v2 \/ e requestVariant[0].vt = VT_BSTR;; D, f' B8 [% O. `- }. V6 B
requestVariant[0].bstrVal = itemStr;. Y$ A7 k, o/ ?2 Z6 i
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topicStr = SysAllocString((WCHAR *) L"system");
9 W3 _3 U1 ^! O: w% N& ]% I7 y VariantInit(&requestVariant[1]); 2 y( J# S8 m% c2 e; g
requestVariant[1].vt = VT_BSTR;8 t& X7 n; i$ y) @
requestVariant[1].bstrVal = topicStr;- U, \! Z/ W% c: w+ `' {- N$ I
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// Set the DISPPARAMS structure that holds the variant.; @4 I! c) f" v" n |) B$ V
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dp2.rgvarg = requestVariant;6 R) V& A& j) z; c+ D4 H
dp2.cArgs = 2;
2 o8 D3 i- Y8 z dp2.rgdispidNamedArgs = NULL;( @7 [2 X! ]/ N; h0 V1 s) P
dp2.cNamedArgs = 0;
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# m5 z: _1 {; Q, E& S4 @2 F; z3 Y var.vt = VT_EMPTY;, x, P& ~* n2 U a) y7 Q6 l, k9 i# x
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// Call IDispatch::Invoke()4 t3 i0 N3 ?4 z9 q
8 f: t) r# ^! B0 n! [ hr = m_pDisp->Invoke(
( X' K! P0 o- b \: D) j requestID,
. \! R0 g8 b9 A a* O S; F% F3 ] IID_NULL, t, a' S- [" X6 }6 Q" r* L5 j
LOCALE_SYSTEM_DEFAULT,
. h% E# n% A6 P; i+ |4 ~ DISPATCH_METHOD,% j4 o3 l: p+ P& B/ k/ v8 q# `
&dp2,) R4 z3 O1 u; O' h
&var,
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H N0 A; m1 w &uiErr);: m7 b" h1 t7 k- j
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SysFreeString(topicStr);% I5 ^$ V' w9 C& E
SysFreeString(itemStr);' \5 r5 U$ K1 D. t
请问该程序是获得extend里面的哪个值?& O8 }% ~# m) U6 f! [8 Y
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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