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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:0 s+ V4 u& A7 N9 C: q
Name = (WCHAR *) L"Poke";
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* |5 ^7 H$ x0 m0 N5 y! b hr = m_pDisp->GetIDsOfNames (0 J: Y8 ~1 l, }" E" m/ m9 |, O
IID_NULL, // reserved' Q7 n: S, R8 M7 |1 \& y' ]
&Name, // Array of names to get IDs for4 ?; ]; g" y% _
1, // # of names in the array. K1 S8 Q7 R6 w7 I& c6 N# R
LOCALE_SYSTEM_DEFAULT, // System locale
2 z6 v) ~; P7 M# @& d &pokeID); // Array of IDs to fill on output
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if (hr)
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2 I7 A: q- Y5 @. x! z/ h MessageBox ("Get Poke Unsuccessful");5 c0 b3 k- |$ |4 n- H2 \$ E
return;
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/**************************传递数据给extend**************************************/- Q$ m0 j7 j2 ~( g/ C
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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! [1 J$ x$ ?4 L9 p+ Z valueStr = SysAllocString((WCHAR *) L"1232");3 A/ s1 N" S0 L, C' P& b7 S; J. K
VariantInit(&pokeVariant[0]);
1 Y8 z5 J4 c- G# [: j1 Z pokeVariant[0].vt = VT_BSTR; P* S8 d% j0 x$ v3 M) }
pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
- M: z* |- N n6 I2 E VariantInit(&pokeVariant[1]);
0 o% s# ?) \' c pokeVariant[1].vt = VT_BSTR;9 b: q( B! h- T3 |
pokeVariant[1].bstrVal = itemStr;5 G+ c7 r7 {$ Z, X0 o
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topicStr = SysAllocString((WCHAR *) L"system");
) U% R7 k& C/ ? VariantInit(&pokeVariant[2]); # @8 }$ \/ ] m1 h7 f+ S1 A
pokeVariant[2].vt = VT_BSTR;$ G& z. v1 r5 ]8 K5 a: A" V
pokeVariant[2].bstrVal = topicStr;, D0 ^: Q) [9 W, v( l+ T
i0 s( i8 l1 n// Set the DISPPARAMS structure that holds the variant.
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% w! _9 ~6 N! w; J5 @/ `% T6 H1 C dp.rgvarg = pokeVariant;
7 j. R$ [& h9 t' _6 ]! H4 { dp.cArgs = 3;
# v: q3 A* t" A) Q dp.rgdispidNamedArgs = NULL;4 u- P8 Z+ `2 i A! x
dp.cNamedArgs = 0;
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9 W; m6 H# ^( c% z- @// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
9 C$ t$ i6 U" J5 y( y3 l pokeID, Q: c4 f( l1 s2 `( D8 w) l
IID_NULL,) m0 `' \# Q( m+ c
LOCALE_SYSTEM_DEFAULT,4 e, \% ]; P$ j
DISPATCH_METHOD,- Y: ]8 o: P/ e2 h2 l+ y
&dp,
1 e& U) l$ X- G: b1 B' ^1 o NULL,
: p" k3 S: I U9 P' F &ei,; ]* j# y! E5 M( b' }" |$ ]
&uiErr);
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4 \1 l4 T: i# r- a# T SysFreeString(topicStr);3 @6 r" M4 f( b" y7 T4 T
SysFreeString(itemStr);
) M- L( N1 r* m9 A$ E% K' l SysFreeString(valueStr);1 E2 v* _' B# J7 x- s1 n
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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???
# Y2 H3 b: a5 ]5 l8 |2 k3 i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
% a( B( k9 p: y `% i( s// Request a value from Extend
1 ~, h: P9 {7 |, ?7 f//. \( X2 b2 u/ V
// Initialize the variant that will hold the BSTR. Set the variant's9 f* K9 X) [* E% n4 Y$ Y
// type flag to indicate the fact that this variant holds a BSTR. Place the. p# C: k, O4 A, E
// BSTR into the variant structure.
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* ^1 u' G$ R& }" X! J requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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% Q/ }0 m+ u7 ?: ]! o- i. c, i" q itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");1 v- Z% P O" R b2 H0 H
VariantInit(&requestVariant[0]); ; D0 F# T; g; V! n
requestVariant[0].vt = VT_BSTR;* O: N4 b0 V" G
requestVariant[0].bstrVal = itemStr; w& h" }# A' Q$ h+ @! l
/ w, V2 _1 a) q# k" \ topicStr = SysAllocString((WCHAR *) L"system");
* {. e. A1 I, L# c6 ]" t% x VariantInit(&requestVariant[1]);
& }% e) d9 j$ Y0 w6 F4 ]2 o+ ?/ i' r requestVariant[1].vt = VT_BSTR;
2 t# Z" a4 G" T4 b( r2 t2 y requestVariant[1].bstrVal = topicStr;
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" t. \/ m) s$ C# u$ C; T% C// Set the DISPPARAMS structure that holds the variant.- @6 u" k! z! V& `! b( X' |; c
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dp2.rgvarg = requestVariant;8 s6 Z3 w7 l$ c
dp2.cArgs = 2;
- p0 I- h. g: U dp2.rgdispidNamedArgs = NULL;# |! x1 [/ T# |0 K0 n
dp2.cNamedArgs = 0;
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9 F# ^7 c% Q3 U var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
! C1 Y0 y; y% J2 C1 _: d5 _ requestID,; f1 ?4 q0 a/ C: z- k7 ?6 B- }5 P' b
IID_NULL,
1 c4 K: x$ o4 O e$ M, q" o LOCALE_SYSTEM_DEFAULT,3 a0 {7 N2 E% Q2 P4 k
DISPATCH_METHOD,
$ \9 ]+ L* @ X &dp2,
1 c! G: U* B, M9 Y &var,# A5 y0 A7 E% u8 e' _' p
&ei,
# h0 z7 G0 V" }0 ^ &uiErr);4 g% u4 |! `* j9 ?2 I! R' a4 h
4 S% P9 W- _$ \+ @ SysFreeString(topicStr);
# y0 U" m/ j D7 T) `1 U. c SysFreeString(itemStr);) n- F6 o) O8 `+ c7 L
请问该程序是获得extend里面的哪个值?
% \3 \/ {) O4 a% S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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