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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:! G, ]! ?. @# u! o3 S8 k2 d
Name = (WCHAR *) L"Poke";- J) m' a$ t- Y# M* l+ M' F# K O
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hr = m_pDisp->GetIDsOfNames (& X9 u' z4 e8 t% D
IID_NULL, // reserved* {; ^& \% r% X1 e. k
&Name, // Array of names to get IDs for) W! p+ D5 p; b- ?6 U- J
1, // # of names in the array
% U: b- j- z, O* Q, A8 m LOCALE_SYSTEM_DEFAULT, // System locale
# ~; S- J0 E6 `- ~& n &pokeID); // Array of IDs to fill on output
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# j* ?/ I0 N. M* ^+ G3 A if (hr)0 A) M; o0 m; l" ~9 Y& u# M1 m
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MessageBox ("Get Poke Unsuccessful");8 K# b0 x3 D5 m' Q2 A
return;4 ^0 N3 r+ h4 A' c' _: P! l
}
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# Y% Y$ g8 Y! G, x/**************************传递数据给extend**************************************/% G6 B5 A; w7 t- P& G' H
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");$ V2 h4 I g7 ]/ s0 [
VariantInit(&pokeVariant[0]);
+ S) q' ~1 S% P, B% g. C pokeVariant[0].vt = VT_BSTR;
. F1 H# D' n% w4 u: I! @7 d& X0 w pokeVariant[0].bstrVal = valueStr;
+ ?9 ]. ^# V, m: K: R) B' t& m: }2 k# U
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");$ X! V. A* t9 W3 r: T
VariantInit(&pokeVariant[1]);
9 V/ \+ l' k g! ` pokeVariant[1].vt = VT_BSTR;4 b4 P3 P7 O/ M# Q- y3 s
pokeVariant[1].bstrVal = itemStr;3 n4 [; V. `3 J# {6 `' b# a. H6 I" H
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topicStr = SysAllocString((WCHAR *) L"system");# [& r9 _; |, _# k; @( k/ s
VariantInit(&pokeVariant[2]); 4 y L6 M$ o. |, }
pokeVariant[2].vt = VT_BSTR; \6 A; A! v) [- t# y: e+ G
pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
$ _2 ^- C- Z6 S+ L, S2 a: Q) B& A4 \ dp.cArgs = 3;
4 P7 ~8 w. Z5 n+ X# w9 D- Q dp.rgdispidNamedArgs = NULL;1 V3 h6 V, `& q9 w
dp.cNamedArgs = 0;0 `% H9 u- s- N: H: l
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// Call IDispatch::Invoke()1 ?% ~; |3 G$ w! L X& f6 h
5 m1 O" `, r4 \1 t2 \! I, f hr = m_pDisp->Invoke(
" Q# ~* I$ S* J% u2 U pokeID,6 Q+ L6 _# f: `* z: {
IID_NULL,; s/ ?# l* J: } J' L5 U" f
LOCALE_SYSTEM_DEFAULT,& a6 Y9 s0 Y4 `% u# E
DISPATCH_METHOD,3 I; Y2 S/ C3 q$ c
&dp,
8 @- o3 @. z9 @- S NULL,* K$ W( R, L& O& g* @. m ~! S }
&ei,# _3 [- g; z+ c1 M7 a' ^3 ~
&uiErr);
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SysFreeString(topicStr);6 }% Z8 t$ F' N4 n
SysFreeString(itemStr);3 O9 D+ G" d3 @- S0 [; B" d
SysFreeString(valueStr);
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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??? L' A/ p" c; @
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????/ O( ]* n* i* Y( f' q2 z
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2.这是request的程序
8 m7 }. F, |3 ?! ~// Request a value from Extend
) {( ]* B" `+ F3 t# E* K//
( {0 V3 N! n* }" `- e' V. p// Initialize the variant that will hold the BSTR. Set the variant's
' p# F( z8 ]) k, \- ]7 y# F// type flag to indicate the fact that this variant holds a BSTR. Place the) ? Q# s# u* i7 g
// BSTR into the variant structure.: u( s; p$ _ I6 H9 j- |
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);( s' Y" r0 E/ d& \2 j
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");! O- L. {, U$ f
VariantInit(&requestVariant[0]); + \0 b0 [+ t4 v% q) B' D' s
requestVariant[0].vt = VT_BSTR;
& o. `+ N' X' r7 o; U4 L requestVariant[0].bstrVal = itemStr;0 T; z, h2 m8 \4 {) t* r' A+ z# I
' L# g% f; b( H1 ?, v$ R! I topicStr = SysAllocString((WCHAR *) L"system");
& m9 ]: F! ]6 v( ` G VariantInit(&requestVariant[1]);
* v% s" u3 n( S& S" X0 T$ } requestVariant[1].vt = VT_BSTR;
' w* x* M4 Y' C4 o6 | requestVariant[1].bstrVal = topicStr;
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& J( V7 X8 d6 }// Set the DISPPARAMS structure that holds the variant.5 o2 I; D& s2 o u% S
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dp2.rgvarg = requestVariant;3 w8 l3 b5 z0 f, o) }) Q3 w
dp2.cArgs = 2;8 f! q8 `. G; y3 t& Q
dp2.rgdispidNamedArgs = NULL; s# I, f9 I5 R
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;- g9 z( ^: r5 |
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(( b/ ]1 l7 P+ D, a4 M
requestID,4 x" O% N) _9 A) {& e; c8 w' G- }
IID_NULL,
/ ] M0 t8 T I, A; x8 i$ ~ LOCALE_SYSTEM_DEFAULT,$ o: s& \" @9 F7 ?" C
DISPATCH_METHOD,
: k" w8 ]& Z4 ?3 n2 i, p &dp2,
9 T! ?# a! D$ w) t1 U1 b2 i9 o &var,# g5 e- L: j; P/ V+ \% N
&ei,
$ V0 v- X( k5 y7 \; ?* R6 G5 l8 | &uiErr);: X2 b6 R, p+ ^- P6 I r8 Y- `
! A, f; ~0 n( \) H- v# v, |$ }' d SysFreeString(topicStr);
( q$ w" m* ^3 D- N SysFreeString(itemStr);+ k0 g7 x- f- j" d5 O/ F @
请问该程序是获得extend里面的哪个值?$ \! p0 _8 u* n) O/ ] s N
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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