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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:
8 E/ E; z. s5 r6 k$ v! B( Z9 [Name = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (, g5 ~) G8 a" ]- L- B
IID_NULL, // reserved) n* a9 S( h3 N3 R
&Name, // Array of names to get IDs for
* r: O$ d5 W% U3 w2 ?0 e 1, // # of names in the array0 I7 f! {) O7 O
LOCALE_SYSTEM_DEFAULT, // System locale
+ S7 {; J+ U9 z. Z &pokeID); // Array of IDs to fill on output
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if (hr)& d, U2 O/ c9 ^4 s
{
3 Z: l7 |, @9 D7 h MessageBox ("Get Poke Unsuccessful");
$ N9 Q* _1 u7 Y/ m2 O8 N! _6 [ return;
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/**************************传递数据给extend**************************************/
6 C* u" f1 J; b- l& z pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
# u) U5 J4 y# E3 x5 g" `4 j
! [5 v+ V' z* A valueStr = SysAllocString((WCHAR *) L"1232");% w* d f" \9 A( \+ x
VariantInit(&pokeVariant[0]);
, \1 _2 u4 i; B1 z( e" i! w pokeVariant[0].vt = VT_BSTR;0 Q$ H$ o: X U+ m9 }3 y
pokeVariant[0].bstrVal = valueStr;
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* }& G) G5 A3 Y* b$ w( T5 [* i itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
' L" g' {$ w, n& M* a, `8 t7 T" D7 c VariantInit(&pokeVariant[1]);
- n' w7 q, l; D2 }1 E pokeVariant[1].vt = VT_BSTR;2 y! m$ o' ]3 s
pokeVariant[1].bstrVal = itemStr;
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) R7 v; V, H$ b1 J topicStr = SysAllocString((WCHAR *) L"system");
8 o/ c3 p+ D5 m1 M VariantInit(&pokeVariant[2]);
+ k6 N4 C/ y& v' w% V- V pokeVariant[2].vt = VT_BSTR;$ ^0 t+ I5 l6 N n" J. U: N
pokeVariant[2].bstrVal = topicStr;# N$ Z7 `6 V3 _ g/ J
5 s, k7 g% A/ I( W// Set the DISPPARAMS structure that holds the variant.
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4 j8 L, T p- ]5 Q% Z, D' {- J dp.rgvarg = pokeVariant;
% c/ q- z/ i' R4 @0 y% @ dp.cArgs = 3;. _5 Y+ F* S6 b& M/ D: _7 e% _" V
dp.rgdispidNamedArgs = NULL;) F' p3 x( Z' w* Q! O
dp.cNamedArgs = 0;+ d$ F4 S2 f, \ Q+ J* I* O
; V8 i$ N4 f* w, ]// Call IDispatch::Invoke()
# X: }7 Q5 [* s
) H, U+ p3 I% ~: B6 w! ? hr = m_pDisp->Invoke(
7 C3 \- r7 F9 Z4 r% b2 L pokeID,1 p9 S! z$ N) \5 u2 C9 b
IID_NULL,9 B$ T0 {& {" Q8 {7 T
LOCALE_SYSTEM_DEFAULT,
. f. |) k0 R) ^9 W; a' P- U DISPATCH_METHOD,: [, I+ [* Y" j
&dp,# X1 `* j# v% y5 [
NULL,
6 F4 N. y" y5 v0 S &ei,
; l9 s$ C: ?) J1 ? &uiErr);5 O2 `& ]; L5 t9 U K8 G
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SysFreeString(topicStr);
. p4 v& ~; Y! r' E0 O8 A: p5 r3 Y SysFreeString(itemStr);
: ]7 n' X! D. w5 q; F SysFreeString(valueStr);# d) R8 C- H6 w: P+ J% Y ?9 `
+ Q0 |9 f3 W0 p, B9 I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???
3 \3 B! s3 _; W* q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; |) N5 H K; V9 M) _/ p& G
// Request a value from Extend
( d+ d7 ]7 x4 |! M//; I4 I- x- m& x1 s
// Initialize the variant that will hold the BSTR. Set the variant's# w% Z4 H v6 X
// type flag to indicate the fact that this variant holds a BSTR. Place the
+ Q! f! f. a/ M2 J8 L* N// BSTR into the variant structure.* t& G+ G5 b. `% b) Y6 a) O% D8 p( Z
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");5 Y+ T* F. {7 N0 T$ {8 \
VariantInit(&requestVariant[0]);
" M$ P2 A$ G y, R1 p6 ? requestVariant[0].vt = VT_BSTR;
, I2 r3 H* k& | requestVariant[0].bstrVal = itemStr;5 n' F7 c. R6 h6 x
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topicStr = SysAllocString((WCHAR *) L"system");% K2 X" y. ?; `3 d5 F
VariantInit(&requestVariant[1]); ' [7 u3 J2 c' v" O( V" A" S
requestVariant[1].vt = VT_BSTR;. D3 n; G6 | X' @9 i- E" N
requestVariant[1].bstrVal = topicStr;# S; }; S2 Q3 z T4 X
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// Set the DISPPARAMS structure that holds the variant.: Q6 @5 v2 D' G* ?, ?0 |% a
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dp2.rgvarg = requestVariant;0 @6 m/ V8 @; P& @ L
dp2.cArgs = 2;% {# R6 D, z; v# U& r* C) {+ a
dp2.rgdispidNamedArgs = NULL;7 f2 H" X$ a3 i
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;
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8 a: b$ y* E2 g' d2 ?2 d// Call IDispatch::Invoke()
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$ l; t# g0 P& R hr = m_pDisp->Invoke(, J/ H. J5 l+ V9 C
requestID,
$ H9 _. Z& Z; [8 c" ^4 g IID_NULL,% c1 L* R2 ?4 Z$ T6 ?
LOCALE_SYSTEM_DEFAULT,/ t f* f6 F% Q9 L
DISPATCH_METHOD,
( ^+ `4 R+ R7 h4 J" h( h &dp2,
( {( q! z. G4 M1 ^; C6 { &var,
0 Z' {3 w' g7 T# b2 D+ ^& _& i0 Q1 @ &ei,' @5 l e6 {& {/ l; g. N
&uiErr);5 S8 B q) e) @9 Z9 Y2 u5 T
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SysFreeString(topicStr);4 P+ n# f, C0 j7 y5 u! n
SysFreeString(itemStr);
) o _' j: s! B- I# e& T$ q' p请问该程序是获得extend里面的哪个值?. Q2 D$ d0 G6 ]. i' i
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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