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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:
. ~8 ~: [2 x3 c+ H7 b" D7 h- vName = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (
: G9 @$ }: K6 {0 T& w; H7 {* G0 n IID_NULL, // reserved/ S' U1 U& U6 S: S; b" f. V
&Name, // Array of names to get IDs for, u* S8 r& D2 G2 X
1, // # of names in the array* R# e- C/ q; w
LOCALE_SYSTEM_DEFAULT, // System locale9 {4 X2 W2 |/ A+ f+ `, `
&pokeID); // Array of IDs to fill on output
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& w9 s: [# m; J% N4 O+ u if (hr)
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MessageBox ("Get Poke Unsuccessful");
3 X8 ?6 F& x5 G4 X; O7 S) ` return;
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/**************************传递数据给extend**************************************/
: H/ }, u$ g! @ Z8 g6 t3 Q4 S pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);! A6 Z8 W! z- \- \$ L
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valueStr = SysAllocString((WCHAR *) L"1232");
; Z3 {& u$ g( V4 z! T9 N5 x U VariantInit(&pokeVariant[0]); ( a( s. P. l$ n& W4 M
pokeVariant[0].vt = VT_BSTR;9 ]4 s2 g5 e+ l/ ~: f1 K
pokeVariant[0].bstrVal = valueStr; g% q& F }* a0 W/ k( K0 f
4 s1 W; ]- z5 y" o itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
& ~# o$ L" Y1 F) t2 ] VariantInit(&pokeVariant[1]);
% Q* O% t* k! J pokeVariant[1].vt = VT_BSTR;5 P( |2 `7 m* S: L7 D
pokeVariant[1].bstrVal = itemStr;
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! X6 P7 L6 U- {& I" {% R topicStr = SysAllocString((WCHAR *) L"system");! K. w V5 A' l x+ Q) O
VariantInit(&pokeVariant[2]);
7 Q" v1 w$ g* Z" R6 n* k, ^ pokeVariant[2].vt = VT_BSTR;' Y* ?0 _3 U" n
pokeVariant[2].bstrVal = topicStr;' M' S8 n% U% X4 f7 ]8 r( W1 w
7 q1 s# |% E8 J, b& R. h8 ?// Set the DISPPARAMS structure that holds the variant.: w2 `# L I# N
. t& R9 t w2 v4 G% q% ?) U' Y/ b! ? dp.rgvarg = pokeVariant;
- _) m) _3 M3 g; }5 a" g dp.cArgs = 3;
1 }5 y. }6 y6 V) }! `+ x6 a dp.rgdispidNamedArgs = NULL;
. o {1 i+ ?' I, [ dp.cNamedArgs = 0;
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; q: g9 M3 V$ J T" h; P+ h. C// Call IDispatch::Invoke()9 c `3 X# Z7 N' r2 e* h% ^
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hr = m_pDisp->Invoke(
, r% ^, w3 ?& H6 Q; X- ^3 b$ e% o pokeID,4 c% P% N, V+ b; ?) o% j" z
IID_NULL,, r8 O( v% d4 N9 G1 K; }: m
LOCALE_SYSTEM_DEFAULT,
1 {2 D: _1 w) w. ]8 d- @ DISPATCH_METHOD,, m. }# D8 }% G
&dp,
' b8 A' j$ T1 I8 d% E; l# }0 ? NULL,
) Y2 h t% D% S &ei,
: I. ^( O' U! ?1 F) Y/ Y &uiErr);
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SysFreeString(topicStr);% v+ ]5 g. P4 b) ?: B* i
SysFreeString(itemStr);& e) T9 {, K/ u. B
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???5 P( G# ^$ Y" Q# \6 f% U8 p0 K
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4 l! O5 u' a4 l& j
// Request a value from Extend
% I4 I8 @1 ^8 {, b6 E8 U//
& h1 ~9 g# [3 ^// Initialize the variant that will hold the BSTR. Set the variant's9 L+ X. G" S) K. `. Y# f
// type flag to indicate the fact that this variant holds a BSTR. Place the' X$ {3 o4 U! ~
// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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% o) W0 B8 k% L6 A+ ?8 {* D itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
) c. r* q# p+ W2 @ x' C1 c# o5 n: L VariantInit(&requestVariant[0]); 3 x1 l# L7 g2 v; l2 u5 F9 B
requestVariant[0].vt = VT_BSTR;: H( a3 p' [# h j& m' e
requestVariant[0].bstrVal = itemStr;
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- j2 p9 q3 B( e! G topicStr = SysAllocString((WCHAR *) L"system");
# O* `4 S( Z# |- y) F& q VariantInit(&requestVariant[1]);
, j5 \) E. L1 y* e) V3 P requestVariant[1].vt = VT_BSTR;4 e+ ?/ y0 D& ?" T7 V, M
requestVariant[1].bstrVal = topicStr;
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$ {5 N# x5 X- Q E7 d4 q: c1 c// Set the DISPPARAMS structure that holds the variant./ w$ n& m* s7 c; z3 P& I; r' y
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dp2.rgvarg = requestVariant;: N9 P$ o( N3 G9 u/ O
dp2.cArgs = 2;
' ]: g8 n1 m, u' k/ j' M dp2.rgdispidNamedArgs = NULL;
. z; B; j/ k3 H dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()
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+ |8 }. x# }3 Q hr = m_pDisp->Invoke(
# I( x+ C; \( v# _2 F requestID,( D# J, H! I& o+ C
IID_NULL,
; [/ N# p" I" O/ S1 i LOCALE_SYSTEM_DEFAULT, J' @& f5 c2 f' {. Z7 l# L
DISPATCH_METHOD,
8 M+ R5 F. }5 h3 e8 e; ^ &dp2,
2 x% H3 N7 [1 V &var,
! H# `0 X* o+ g. E% |4 T$ c &ei,
v7 I/ P: @% Q2 W$ U &uiErr);+ V' Y' K3 q% t/ V) H
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SysFreeString(topicStr);
7 z8 j9 U x" Q6 i- M* ?/ f: { SysFreeString(itemStr);2 ^5 \" Y0 D/ t5 ?; d
请问该程序是获得extend里面的哪个值?
( ~& R6 K+ X' y8 ?7 c* b2 w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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