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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:
. E- O# w: D- \0 l! Z' WName = (WCHAR *) L"Poke"; ~$ @6 x. U2 [: t
, w8 S3 _+ {9 C( e; ~ B O hr = m_pDisp->GetIDsOfNames (
5 b: P3 Z; P/ N- ` IID_NULL, // reserved: f0 q, U' _" @7 m
&Name, // Array of names to get IDs for- g* x' y1 \5 P6 o3 {
1, // # of names in the array, [5 m" J# h% ?: h6 _- X
LOCALE_SYSTEM_DEFAULT, // System locale) ]* [& l2 M+ ?" o7 _: A; ^2 |
&pokeID); // Array of IDs to fill on output+ c e: l( Z1 a$ M! V
5 b! T0 ?- ?: X) V- _ if (hr)" g! y# p$ @ Z& k% V9 {6 Z
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MessageBox ("Get Poke Unsuccessful");
, _1 r) H( T) j. r; v, k return;2 q, K Y8 v/ }4 N' \ Z5 U
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8 l0 C$ T8 ^7 U/**************************传递数据给extend**************************************/7 \2 e* e/ L: M- L
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);' p% X0 e: V6 g5 _5 t/ Z0 \
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valueStr = SysAllocString((WCHAR *) L"1232");
( @# s" P* l2 G, c( \3 z VariantInit(&pokeVariant[0]); % F$ g9 y f, _5 Y0 Z4 _
pokeVariant[0].vt = VT_BSTR;9 Y4 c1 z5 x V+ b" @. K
pokeVariant[0].bstrVal = valueStr;
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- f8 T& d) k& \" ~# `5 K" R itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");; z+ C) @; b- b- K# z+ |7 l' e: c, h
VariantInit(&pokeVariant[1]); + E/ L# p9 k2 ]% B9 z& T
pokeVariant[1].vt = VT_BSTR;
$ K F. h, E+ p! y. k% z- X4 h0 y3 o pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
: e! R0 w. N# r2 C F VariantInit(&pokeVariant[2]);
: m' o/ p6 F2 e pokeVariant[2].vt = VT_BSTR;
3 d6 c7 D V" G( }/ f pokeVariant[2].bstrVal = topicStr;$ s+ h. y. [2 Q4 J
: \) ?/ g- m& S |# H// Set the DISPPARAMS structure that holds the variant.' a$ p/ F& ` \! g* V+ |
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dp.rgvarg = pokeVariant; S4 R( G. ~, @ l
dp.cArgs = 3;: G2 J% |5 q( H( f; Z% o
dp.rgdispidNamedArgs = NULL;& w# w4 h( x! y0 A* F" {0 L) O
dp.cNamedArgs = 0;
! Z0 `/ r! t0 P& @/ }" L8 j, _
! d( M3 k l% }! u3 v2 |6 L# |% I// Call IDispatch::Invoke(); V- b+ m5 ^9 ]
( m7 o" H4 R6 z0 y; X hr = m_pDisp->Invoke( k( v: J* j9 }3 ^! s0 N
pokeID,4 m3 y0 I0 f K! Y
IID_NULL,+ T9 A5 B$ J6 D- M% \( _
LOCALE_SYSTEM_DEFAULT,, w5 g( w; _8 S7 I2 B$ P" O
DISPATCH_METHOD,( y+ p. y4 @2 e8 L* x4 M* v8 K; _
&dp,* U. j' O+ a* A* e. T4 z( W7 P
NULL,
. M" ]4 U/ p) V' g &ei,
2 ?% x* t4 S9 Y9 ]( O &uiErr);$ T" x K; o; A/ d* v: p& h
% L( F* G4 d6 k) p* Y) e! B
SysFreeString(topicStr);
/ }. l+ X5 o" m& P SysFreeString(itemStr);/ \) x! C( y8 z7 m* {; _! i4 T
SysFreeString(valueStr);+ @( v) n3 X3 ~3 g9 U
1 V! e4 [1 C8 ?8 x: B
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???. y& P! b6 ~' J6 G |
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# k, A# h4 }! b/ s
// Request a value from Extend r2 h6 w- k$ \7 [; t
//; `- [1 J+ x6 m2 E' n
// Initialize the variant that will hold the BSTR. Set the variant's1 e4 X5 X! |: ?7 t7 {- ~% y( _
// type flag to indicate the fact that this variant holds a BSTR. Place the
5 ?4 t1 L* K( [, S. l0 u, Q) S& ^// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);: L1 p, D. r1 |& z+ A4 D* \
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
6 V( L. n6 f7 Y. {# l& h VariantInit(&requestVariant[0]); + b- N1 B& T; ^# B% I- B( i, D
requestVariant[0].vt = VT_BSTR;. T" B; e& ~4 b" T( s
requestVariant[0].bstrVal = itemStr;7 D5 D2 W2 K7 [& P5 u
7 O2 o5 }5 d! ^& {* F topicStr = SysAllocString((WCHAR *) L"system");6 ~! G6 u4 d, [, Y
VariantInit(&requestVariant[1]); 2 P6 f6 h, N( G2 e8 Z1 W
requestVariant[1].vt = VT_BSTR;3 b. L9 W' Z/ B5 d) o4 `
requestVariant[1].bstrVal = topicStr;" Z# v6 F1 [$ R, L4 A9 s7 ~3 N5 I2 S
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// Set the DISPPARAMS structure that holds the variant.. p& O U. F) i% f
% x: v; v# n* b9 p& {* C5 e5 S
dp2.rgvarg = requestVariant;
2 }( q& f" |5 v" ] dp2.cArgs = 2;! f0 I% L l8 D: o2 t4 t7 Q
dp2.rgdispidNamedArgs = NULL;
8 a" o' g& Y& w% o( |8 Y ] dp2.cNamedArgs = 0;
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$ W2 z0 N) T! f var.vt = VT_EMPTY;; g, _; d: q, N) A3 U( A$ l$ Z
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// Call IDispatch::Invoke() O! I4 h, Q: S9 x0 Q% ?$ M( S
/ W. ]3 S/ x' S# R! ? hr = m_pDisp->Invoke(* `( x, f/ ~! K6 e* @. U5 d' G
requestID,- G, v; ^# I) D
IID_NULL,
; F7 l; F! e" b' s T/ y( c LOCALE_SYSTEM_DEFAULT,& d8 V1 n5 V' q& p' d
DISPATCH_METHOD,
8 C7 |; _7 L" g( Y &dp2,
% `6 I, q) t; F# z9 @2 T &var,
2 W/ d2 A( y+ e. a) K7 t &ei,
! {8 {. J) D) H: s* {+ n &uiErr);
% }. c F1 T- N" S
$ N1 K8 V! B8 G9 E SysFreeString(topicStr);' ^% s5 J* u, q4 S+ d6 Z1 c5 k/ `* D: q7 a
SysFreeString(itemStr);
2 B2 v3 [: p( y' _! H* \, N- S8 s请问该程序是获得extend里面的哪个值?
- E7 B9 O2 J7 H" K' V _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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