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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:
5 V+ L% s% O) G- S1 v+ M4 ^$ PName = (WCHAR *) L"Poke";/ u' {5 v; s7 G2 [/ [& ]
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hr = m_pDisp->GetIDsOfNames (. l3 X4 D: ~5 ^, w5 i! N
IID_NULL, // reserved
. C8 U$ h) P+ a; X3 u) R0 `7 e6 S &Name, // Array of names to get IDs for
0 @, |% x: B9 E1 i0 N8 Z S 1, // # of names in the array
5 }1 B) D1 w0 Y: }# G3 _- Y LOCALE_SYSTEM_DEFAULT, // System locale
* q* p2 g/ j& Q4 S3 W- F* l &pokeID); // Array of IDs to fill on output4 r7 I1 X3 u- t4 z' W9 ?! V( z
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if (hr)
8 p' y- f5 N& w9 y' c, x. F# J {
% c% s" u3 S! U+ \2 n# P MessageBox ("Get Poke Unsuccessful");
) W& A8 M' \; r$ E9 y return;
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2 G, `& D/ o& N7 E- l) S/**************************传递数据给extend**************************************// q! C, V* q$ b a
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
1 ` x1 O4 f# c
& c' t2 T9 `! i" x% b# | valueStr = SysAllocString((WCHAR *) L"1232");
3 e6 |/ v6 e$ x% J+ n VariantInit(&pokeVariant[0]);
0 s. a4 o: f6 f& f pokeVariant[0].vt = VT_BSTR;6 H1 P* d1 j5 K1 s+ |% i L: O
pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
0 T0 q! K% p$ }7 z VariantInit(&pokeVariant[1]); , p( L( R" Z6 I. E0 k# O) N
pokeVariant[1].vt = VT_BSTR;& ]; T8 Y3 m; r) C! S- m1 Z, |
pokeVariant[1].bstrVal = itemStr;
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4 ^2 b8 n* V3 ^) e% I8 k% p3 i topicStr = SysAllocString((WCHAR *) L"system");, ^4 a/ B A! j) s" l
VariantInit(&pokeVariant[2]);
) n* e* K& j: m' |9 T. x" J pokeVariant[2].vt = VT_BSTR;
' `$ Y2 t7 U h% v0 V9 I pokeVariant[2].bstrVal = topicStr;
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: `# x& X+ N3 I- V- \( D0 A3 N! S0 N// Set the DISPPARAMS structure that holds the variant.. G" A2 |4 V7 a4 t+ N% P$ u. h* T
7 c' C0 c' y1 j, F" h/ k dp.rgvarg = pokeVariant;& i1 F2 p7 d! q4 f2 K- w4 ?/ g
dp.cArgs = 3;
! d+ M! Q3 p4 U+ P% B, | dp.rgdispidNamedArgs = NULL;
4 w4 m5 L6 ^) z: K8 O dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()! p2 w1 ~2 P: L0 i
" b O+ w/ u3 P2 Z4 F hr = m_pDisp->Invoke(
7 J: n4 o* N! \2 M8 R pokeID,
% g& L1 W5 l+ q8 \ IID_NULL,3 _3 R: Q$ s$ V* `) v
LOCALE_SYSTEM_DEFAULT,( ^, A+ q7 E6 l6 J
DISPATCH_METHOD,
" @) v" G1 _* X7 q* _ &dp,. e! q7 @, ^: R6 t& o( c
NULL,
% m9 s, u2 }5 X) C3 ], b &ei,# u4 Z9 t; x S y) I# j/ y
&uiErr);
. { z8 M! E# x) U% p# P+ j9 X/ R' d( S& N- ~. W" n& i6 E
SysFreeString(topicStr);
! f9 \8 ]7 R* A7 Y! E, X SysFreeString(itemStr);
( ]! p) Q# g/ H r SysFreeString(valueStr);
3 T7 n; u6 {9 e. C. |# l# `7 l& x: S& u- C c
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???
+ Y7 Q/ u: U* s1 n- d: c1 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????5 B& X" \4 y9 X2 z7 @- s
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2.这是request的程序1 Z) ?/ K; l$ _! |
// Request a value from Extend
' q M0 s- ?+ z2 v0 J1 f: Z# _//
( {) M5 M# b! U: D- F// Initialize the variant that will hold the BSTR. Set the variant's
) Z- i4 @0 x" {$ l8 ~( l/ n// type flag to indicate the fact that this variant holds a BSTR. Place the$ @/ f! [3 e% b* u9 t3 C! y7 d
// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);/ Z: ]1 y2 ~1 @' _ @; j
5 Z# ^& S* x& A' J0 o0 Q. Z$ w itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");; }# _# x% O/ s5 Y3 N; z8 Q3 C
VariantInit(&requestVariant[0]);
" @8 U8 I5 r. U1 Z requestVariant[0].vt = VT_BSTR;# ]7 h& b( A! w% f
requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");5 Q& t- p9 i4 m- x6 a2 F) y
VariantInit(&requestVariant[1]); `0 b/ _; X: B
requestVariant[1].vt = VT_BSTR;
3 L: v2 S* z3 D$ z requestVariant[1].bstrVal = topicStr;* |# `: g* j( h4 o7 U; C' z& t5 |
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// Set the DISPPARAMS structure that holds the variant.7 E; u9 n2 T' G+ A
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dp2.rgvarg = requestVariant;
+ {. U- z6 ?# j9 Z; _' r dp2.cArgs = 2;
" R9 \' x2 e' Z1 E8 o. b dp2.rgdispidNamedArgs = NULL;
; q! |) b+ G& ^ dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;0 q; s$ v# d% Z( J! ?: W- f& i9 i
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// Call IDispatch::Invoke()
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" L, ~2 j, E7 Z: t1 c$ E0 z: ^" j hr = m_pDisp->Invoke(: q. s- e$ M' v
requestID,
* r0 h4 ]8 ^. ^ @' ~ IID_NULL,- z$ O: B, E" h$ L+ i: M/ k& k0 o
LOCALE_SYSTEM_DEFAULT,
. U. ~8 I0 y e2 h' W# M) n. |# k DISPATCH_METHOD,
2 `+ z: V& A* o8 ]( h &dp2,8 J7 d: s1 B4 X" l, X4 n D
&var,+ [9 M5 J! b0 t% `0 R. T7 T
&ei,, d6 A8 i4 o v1 g- D) G
&uiErr);
. b: {6 A# a. h' D( s5 A0 Q0 h0 q% Y( r( l, U' ^0 E. S4 a
SysFreeString(topicStr);( j- \; I. Y6 Q3 c4 f! o" W
SysFreeString(itemStr);* d2 o7 z8 R$ ?8 K
请问该程序是获得extend里面的哪个值?
: T3 t% c3 b; d3 c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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