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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:
O* @( e0 p- S# M Y8 t) s6 lName = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (( w! D) H% _ D. P
IID_NULL, // reserved
# A8 ^7 e) F6 } &Name, // Array of names to get IDs for) q2 }* W8 m- u
1, // # of names in the array9 T" v0 H& s8 d$ C8 u% y2 ^+ ~
LOCALE_SYSTEM_DEFAULT, // System locale
8 U3 S+ k0 V6 b: I4 y &pokeID); // Array of IDs to fill on output0 O. f) |" S7 U+ }+ `
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if (hr)
, p# m* y$ N# n, {2 v5 v8 a U2 I {
, l7 q4 B' w. B; e* d9 K MessageBox ("Get Poke Unsuccessful");+ R8 A2 h/ @- E9 P ~, u3 P% v
return;
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8 O' W8 K( i" M. E$ U/**************************传递数据给extend**************************************/
% T, M/ D7 L2 L7 ]5 X; p pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");1 j# j! i/ r( r2 ^, p! M5 \, Q9 s5 E
VariantInit(&pokeVariant[0]); 9 q+ e4 V; o6 Y+ R3 I* f
pokeVariant[0].vt = VT_BSTR;
, p- {7 E6 M2 a. w! D3 u- L pokeVariant[0].bstrVal = valueStr;
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2 Q" l0 R/ |* S% k# p6 s* r itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
. a \- Z1 p: f' v0 h" t& G& l VariantInit(&pokeVariant[1]);
" q+ _$ J) N2 p pokeVariant[1].vt = VT_BSTR;
$ [5 S: u3 `" Y$ U4 U7 ]/ } pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");+ o& ^$ y$ T. p) \8 W% O
VariantInit(&pokeVariant[2]); ' ]* ^1 V, r. X: T9 g0 b1 W2 j
pokeVariant[2].vt = VT_BSTR;
/ f6 ]9 z% h' F' t$ T+ i2 ? pokeVariant[2].bstrVal = topicStr;5 M% W; x; [3 ] ~
! n) ?+ ]5 J% ]* |// Set the DISPPARAMS structure that holds the variant.7 q3 o& d l/ I* z. E C$ T* ^" h
6 k* r6 `! p7 M+ D6 O) x' h dp.rgvarg = pokeVariant;& W4 K- T5 k) s0 h+ I
dp.cArgs = 3;/ N3 |: p0 C- n$ h* U
dp.rgdispidNamedArgs = NULL;
/ l/ e' ]3 h3 P+ |: x5 B' u3 V dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()# h, y( V2 e: J( i3 l# T% N) T
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hr = m_pDisp->Invoke(
* g) C; A u z6 B pokeID,. E' X8 w4 J5 K7 v9 H
IID_NULL,
, ^$ ]7 s9 O' d8 ~) Y3 O6 Q. j) ^ LOCALE_SYSTEM_DEFAULT,
" q% v. B3 ~9 c DISPATCH_METHOD,
: L5 x$ U" ?% v, ] &dp,& {/ n% U3 T* D: _( m7 O+ q( C
NULL,6 N# X! H/ R P# Q$ \, Y; N
&ei,
. g4 {6 I& ~) a1 e8 D &uiErr);
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SysFreeString(topicStr);
2 r& g: r0 P2 ~+ l SysFreeString(itemStr);8 `* f4 T4 s1 k& r v& c7 ]
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???4 X, k% V; J4 U2 s) m7 B
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
9 J$ b1 L* J' |. V; ?& d" B// Request a value from Extend
7 j. a: U8 {' B3 `* B9 W/ M& v//
9 i! F! R0 z# N2 x" ]- A9 i// Initialize the variant that will hold the BSTR. Set the variant's
: J M; K. `% a1 T// type flag to indicate the fact that this variant holds a BSTR. Place the
- u& t" C, j/ F5 b+ S// BSTR into the variant structure.
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7 Q! J5 {) y+ n1 V$ W requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);9 G6 x8 J$ \2 [% E0 x' i
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");: ~7 j. l5 N4 m& ^
VariantInit(&requestVariant[0]); $ F1 z8 ~; r' E3 x
requestVariant[0].vt = VT_BSTR;
7 w6 S+ I0 i8 X( a9 U% Y requestVariant[0].bstrVal = itemStr;
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' k$ Z' m% V1 q4 T4 w R2 o: M topicStr = SysAllocString((WCHAR *) L"system");2 S& n0 Y+ K, U: U
VariantInit(&requestVariant[1]); 9 n. }8 z! Z! k" F
requestVariant[1].vt = VT_BSTR;
& v# E2 F/ u6 ~- V5 Q1 q w' f/ X, } requestVariant[1].bstrVal = topicStr;
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( g- p$ M9 ^' X( h8 W" H/ e// Set the DISPPARAMS structure that holds the variant.( C! W* J ?$ A: i' B/ O: X
; X+ E. d3 o3 `2 e dp2.rgvarg = requestVariant;
0 l# j, ~7 }% \. o$ _ dp2.cArgs = 2;3 I1 ?5 L5 x8 P
dp2.rgdispidNamedArgs = NULL;
3 I, ? L, a9 o2 X: |) ]7 b& P, T dp2.cNamedArgs = 0;; F4 z6 i$ M. K+ h4 W
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var.vt = VT_EMPTY;; W7 }6 p9 T; b2 E* r
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// Call IDispatch::Invoke(). |' k( p- j- C# A+ ^5 I
, r2 D: [7 b( m( Z" { hr = m_pDisp->Invoke(
: m0 b& J5 x9 r6 p- c requestID,) x! |2 F) g6 \$ l/ u- Y
IID_NULL,7 H0 U7 h8 ` o k% {' E0 U/ \, p
LOCALE_SYSTEM_DEFAULT,8 `* d+ p0 T& l# G1 w9 o1 h! V% }2 p
DISPATCH_METHOD,
& p+ k f' B' V& J U! \& r &dp2,; e3 E( L1 t0 w3 F& [
&var,5 d' V1 Q' z9 l- C3 c( L
&ei,
( G: Y; P8 m: \0 F &uiErr);
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SysFreeString(topicStr);
7 \2 [% k/ e3 f) J: U8 F SysFreeString(itemStr);
# t2 Z; X- r7 f. a4 F请问该程序是获得extend里面的哪个值?
6 n/ G5 W/ p) m3 [' s6 `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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