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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:, f* C8 V1 \! q
Name = (WCHAR *) L"Poke";
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0 _/ i+ [& g; _ hr = m_pDisp->GetIDsOfNames (7 i% N% n' K; _" D1 C: v$ @4 z
IID_NULL, // reserved
; \5 z% u9 m# [8 V9 ~( ` &Name, // Array of names to get IDs for
: c N- S/ w7 K4 q8 y/ T9 {/ e 1, // # of names in the array* O' X, i0 W" H0 h% u6 c
LOCALE_SYSTEM_DEFAULT, // System locale
4 x! l, w7 K4 r' z! \) a &pokeID); // Array of IDs to fill on output
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if (hr)
2 `4 H1 `- q0 Z" \1 c1 \6 x! U {
3 |: v7 e7 M: m4 n MessageBox ("Get Poke Unsuccessful");
# g7 C0 K& D, d return;
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/**************************传递数据给extend**************************************/0 f9 L4 s; F% I% I6 @+ [
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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' T0 m) L& |$ ~1 z7 y, e. S6 S valueStr = SysAllocString((WCHAR *) L"1232");0 _" R9 m: ]3 n; A0 J5 [! @
VariantInit(&pokeVariant[0]);
2 |* k- D0 F+ I9 J1 o. | pokeVariant[0].vt = VT_BSTR;
8 {' }2 h$ O3 Y8 i pokeVariant[0].bstrVal = valueStr;( W& Z$ w. f- o5 h0 T/ x
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");% w1 |, S0 L& P4 p
VariantInit(&pokeVariant[1]); + {$ {. Y5 b% A0 l. s4 o
pokeVariant[1].vt = VT_BSTR;1 m) F" q2 Q% y$ y3 n
pokeVariant[1].bstrVal = itemStr;7 h1 L3 t, H' d% v, Q9 X
6 i8 A2 c" b- O: ?! R* C topicStr = SysAllocString((WCHAR *) L"system");1 }, {, t u9 s* b; W
VariantInit(&pokeVariant[2]);
" l4 ~ N# |. C pokeVariant[2].vt = VT_BSTR;7 l# K/ c7 N% w6 M3 _2 @
pokeVariant[2].bstrVal = topicStr;1 x, L& w7 V+ \
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// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;( ` Z# S1 J7 {" s% j
dp.cArgs = 3;. e3 h, U2 x0 L9 l+ S' i" g% x
dp.rgdispidNamedArgs = NULL;" v) d+ k, ]. }2 `. B. Y, G# X; D3 A
dp.cNamedArgs = 0;6 B9 _. w5 c: T* E' k; X1 v
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// Call IDispatch::Invoke()$ V+ y/ b8 ?% Q7 |: y
! K& Y& \7 H2 h& P$ z% l3 @4 a- M hr = m_pDisp->Invoke(8 |) Z6 _ K- C
pokeID,+ T |8 Q; ?+ E6 ^6 U
IID_NULL,, p! i% d4 ~3 U
LOCALE_SYSTEM_DEFAULT,
+ i* D7 V- M, V- O. Q$ p DISPATCH_METHOD,2 G& n. p ?5 g8 ^0 U/ }/ v
&dp,9 V, m/ H" H2 ]9 Z& |* M8 k; n
NULL,
1 t8 ]9 W% |/ I &ei,/ Z; |' w$ [5 T/ ^7 H! I
&uiErr);
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# |( j" s: g; r$ P SysFreeString(topicStr);8 r( e2 @. N$ ?' F% T
SysFreeString(itemStr);
X$ s- {& v# k. N* y8 V SysFreeString(valueStr);
t6 [/ Y5 C4 d
1 V0 B3 Y" {' }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???# h2 Y, B) N4 u+ E0 }
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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* t9 g. K( Y" u2 f2.这是request的程序
6 P+ F1 J r7 D$ P// Request a value from Extend5 @8 z1 j# W8 V! Y
//* _$ V2 p1 H, S5 m
// Initialize the variant that will hold the BSTR. Set the variant's
# Z% d" H b# r4 ~1 y// type flag to indicate the fact that this variant holds a BSTR. Place the( g$ d% n# y0 Q% h" U1 _! ]" N U0 W2 q
// BSTR into the variant structure.
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6 f) R0 C& ~; R. n requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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. d- \0 ^2 z/ \( A, ]7 o+ G9 m4 y itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");# W, T& I. P+ e$ } |' h
VariantInit(&requestVariant[0]); , B3 |6 u* C+ ^# ]4 V
requestVariant[0].vt = VT_BSTR;
' I$ V8 {# q/ Z8 [ requestVariant[0].bstrVal = itemStr;- q* v- u( |& o
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topicStr = SysAllocString((WCHAR *) L"system");3 s2 H& H/ d1 o/ _0 m2 N1 D
VariantInit(&requestVariant[1]);
- d$ C6 h) P& A6 K) ?; W6 n requestVariant[1].vt = VT_BSTR;
) K) z9 X* o# {/ o, M requestVariant[1].bstrVal = topicStr; f. G7 U& |* N$ L& u+ Q4 }
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// Set the DISPPARAMS structure that holds the variant.: N" G0 E% J9 k0 q' @: O) q4 F
& p/ P: `+ J, |" o& {* } dp2.rgvarg = requestVariant;& A) T& Z i4 A9 s9 ^* |
dp2.cArgs = 2;! x+ [# I% Y4 x# M( E) C2 i( u
dp2.rgdispidNamedArgs = NULL;( o4 w$ I$ C- t, e/ O! P5 r* m3 ?
dp2.cNamedArgs = 0;
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. ~3 R6 x3 X0 I% V var.vt = VT_EMPTY;
* d/ V6 [/ ~" d) b* \5 U7 d! o0 A* Q3 ? }
6 J1 w) f2 s& }' p7 e7 Z// Call IDispatch::Invoke(); W+ N) D& \$ |/ K' {
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hr = m_pDisp->Invoke(- T0 u- Z1 s; S
requestID,
9 B2 i$ l0 S+ W; d IID_NULL,) I Y+ S2 b Z. T- @& V! f
LOCALE_SYSTEM_DEFAULT,
3 g# q1 h8 S+ r- B1 B DISPATCH_METHOD,
6 ]1 H% u+ ?2 ` &dp2,# z N1 |* O0 X! C" D1 z
&var,. M0 ~* K6 [5 `: R% k3 a
&ei,
0 t9 {9 k+ ]% d1 E6 C8 E &uiErr);
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" p+ f: H5 Z% w% [ SysFreeString(topicStr);
& j& d/ h7 }6 l& W o; j/ `9 w SysFreeString(itemStr);3 u% \! l$ V( X- K
请问该程序是获得extend里面的哪个值?
7 P" W x7 C" I: t; h9 L; s5 c* r+ _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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