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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:
. x* S3 y: H, U* q" X- {* uName = (WCHAR *) L"Poke";
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' ~/ z( M2 _7 j! }6 E/ F& o hr = m_pDisp->GetIDsOfNames (
- m7 q% c. x" [ IID_NULL, // reserved N& C" i- Z( [- g# U, i- l* V2 T3 c
&Name, // Array of names to get IDs for) x* {# e4 j, {6 L5 }) }
1, // # of names in the array E' n0 r; q1 j+ t
LOCALE_SYSTEM_DEFAULT, // System locale% k: z6 J! A3 m' M5 v
&pokeID); // Array of IDs to fill on output
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if (hr)
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MessageBox ("Get Poke Unsuccessful");$ j/ J# _/ q) W* c( D
return;
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/**************************传递数据给extend**************************************/
; V7 u' ~& ~0 c2 U* y6 A3 Z pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
2 Q! z3 E6 j! `( M. [+ K5 ^! a( l 1 T! |) G& T0 _0 B
valueStr = SysAllocString((WCHAR *) L"1232");
% E7 y1 ^+ u0 |* P1 s/ t* y/ f VariantInit(&pokeVariant[0]);
: }+ S% @; A" A( X/ z; F6 i2 D- s pokeVariant[0].vt = VT_BSTR;" J& K+ C# x% A1 F) |8 I0 M, Z
pokeVariant[0].bstrVal = valueStr;
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7 E9 X$ i+ K4 l0 E itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");: i) l& c& l/ B! \6 |% _
VariantInit(&pokeVariant[1]); . j" G& d" v$ ~
pokeVariant[1].vt = VT_BSTR;
2 k5 u u/ ~! y! q pokeVariant[1].bstrVal = itemStr;( e: k# I' G |. r
- I, @6 b9 ^1 K$ {
topicStr = SysAllocString((WCHAR *) L"system");
4 @: Y- r$ t5 M1 w/ U% \" J VariantInit(&pokeVariant[2]); # ?$ K& E: u' M- q4 h0 @
pokeVariant[2].vt = VT_BSTR;
; u1 z; Z% S8 B4 o pokeVariant[2].bstrVal = topicStr;
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* E" S2 ^, {: N; L0 z8 v// Set the DISPPARAMS structure that holds the variant.& L) f2 l7 |* |4 h+ O
. B+ ]9 C! `" n dp.rgvarg = pokeVariant;4 S, J- m5 E# i$ d/ e
dp.cArgs = 3;5 W+ H% b8 g6 a5 o& `7 v# [( c, |
dp.rgdispidNamedArgs = NULL;8 H5 i9 }1 Q& ]6 W; H
dp.cNamedArgs = 0;1 X% z6 V( F/ y. {2 W2 ^
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// Call IDispatch::Invoke()
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9 X! Y4 E) `& [9 e) W; `, Z hr = m_pDisp->Invoke(. J- W c. S* d+ s
pokeID,
; ]- I$ S9 i( H& V7 e6 l IID_NULL,
c$ o! }$ _8 {7 d+ y LOCALE_SYSTEM_DEFAULT,5 \" d1 R+ {. X/ f9 W" E
DISPATCH_METHOD,1 U; X0 ]" N }' k7 J8 @) `9 P
&dp,+ |: e: G6 N% Z) Q5 E$ q4 T
NULL,6 x) b0 @; P. g; h' E" h
&ei,8 _8 Z# p9 X; ?* X
&uiErr);
( u& @- D) `6 y1 c/ F+ C% {
+ |, y- Q1 D; Z SysFreeString(topicStr);
+ O* S/ S/ R" I# N# O6 s& t SysFreeString(itemStr);
8 S& U. H {7 C: T1 c; k 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???
& }% M0 Z6 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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3 \& E6 @; Z/ ]* ^8 w j2.这是request的程序
% D8 l' E' W; c S' s// Request a value from Extend. J; j- j& {- \
//
0 ^! t. p: Z8 n0 G7 Q5 S3 z5 J// Initialize the variant that will hold the BSTR. Set the variant's
# V# L9 r5 B0 Z7 A3 e5 F4 T3 w" `4 r// type flag to indicate the fact that this variant holds a BSTR. Place the9 Q" F W2 N4 F7 y
// BSTR into the variant structure.
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: a9 e$ H3 @9 G2 W9 s requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);3 F" a6 x/ l. X0 d- e j5 Q
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
! W1 e9 w/ u; @" \# N8 M VariantInit(&requestVariant[0]); 6 [, w+ R( | Z6 }5 m# ~6 ]7 ^0 `
requestVariant[0].vt = VT_BSTR;
) T- p7 G# I! r: \! V$ ` requestVariant[0].bstrVal = itemStr;
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9 l3 W. Z% A, ^# K, g topicStr = SysAllocString((WCHAR *) L"system");% {. L2 c' c2 R- U
VariantInit(&requestVariant[1]); 7 n! f, j4 \3 ~/ ^/ a
requestVariant[1].vt = VT_BSTR;: M- j* G3 v0 W4 m- [
requestVariant[1].bstrVal = topicStr;, A1 O% f2 f; O6 B1 E6 F
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// Set the DISPPARAMS structure that holds the variant., ?$ N3 A! |( k& K/ k' R( c
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dp2.rgvarg = requestVariant;
) w& `# z: F5 @# C5 M dp2.cArgs = 2;
# T1 }+ V5 V8 ^- d* _ dp2.rgdispidNamedArgs = NULL;' B/ b: K( g% h+ x1 T1 D
dp2.cNamedArgs = 0;4 D/ `7 P+ q! i6 s% W( Y
2 t# X4 K, D: [ var.vt = VT_EMPTY;5 {" ]6 n- |, h) k, `3 b
1 X' _! j( A. n// Call IDispatch::Invoke()
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+ x$ R& s& i. I3 Z hr = m_pDisp->Invoke(3 k9 V+ [) _8 c2 n
requestID,
' r9 b3 x5 \" j2 e' V. b/ m IID_NULL,
& z* D0 J5 u6 _, \: r LOCALE_SYSTEM_DEFAULT,
+ Y4 Z/ E% T2 ~/ [4 { DISPATCH_METHOD,1 f8 r! R5 b) @1 M9 g2 [. H
&dp2,9 g4 H# W& G6 _- l* [
&var,3 ]# T6 [9 }' P! o2 Y. L
&ei,! p5 Y. I. ]9 A# D: R
&uiErr);
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SysFreeString(topicStr);2 n( H) P; d4 E( ~: M2 ?) a, D( d
SysFreeString(itemStr);
7 T* v3 H9 a6 I' ~& h* r" \. ?, x请问该程序是获得extend里面的哪个值?% N# ?. d+ W! J; }: ~; G c, u
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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