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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:6 y# s5 W% O$ U. G8 S0 E0 J
Name = (WCHAR *) L"Poke";, w( E# G2 T8 M& w( [
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hr = m_pDisp->GetIDsOfNames (1 {$ M# H/ |, Q% V7 S
IID_NULL, // reserved; d6 R* X" B2 y8 k. J) a( B" S
&Name, // Array of names to get IDs for
# G- ^7 w, T" ]2 W3 L- t 1, // # of names in the array9 L$ r8 ?, j+ f% O: c
LOCALE_SYSTEM_DEFAULT, // System locale
8 G3 K# F) ` w0 m$ P3 f- V0 R &pokeID); // Array of IDs to fill on output
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; s2 O* s! f8 a4 X u0 A) ~! i4 m6 a; Z if (hr)7 j" J; b- L& [ S
{
# _9 \- S5 x) n" I9 e9 K MessageBox ("Get Poke Unsuccessful");
( G4 R( ]( U2 n8 ?1 U* w0 s return;4 N& d2 w' x! _% U! q! G
}
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4 Y6 l1 |" `/ v* P7 ?4 T* o/**************************传递数据给extend**************************************/
4 w: h7 f$ L, ] pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);( M4 Z: J' D7 P
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valueStr = SysAllocString((WCHAR *) L"1232");
! M+ e9 Z! g U' h2 P3 V VariantInit(&pokeVariant[0]);
- ]# N5 n# U0 z- B5 P pokeVariant[0].vt = VT_BSTR;8 q6 z7 K* _; X8 O3 ^
pokeVariant[0].bstrVal = valueStr;
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2 M% n' U+ d/ Y+ s7 W9 e itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
" f1 k. {7 S9 i* j7 x/ L VariantInit(&pokeVariant[1]);
# e% U% E! }+ g( v9 b pokeVariant[1].vt = VT_BSTR;
& l% ~, M# D# x pokeVariant[1].bstrVal = itemStr;
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4 x4 ^- Y( F+ g F3 B$ D/ |' X9 a( o topicStr = SysAllocString((WCHAR *) L"system");
) u0 B. p5 a2 b8 d8 t3 J; i) i VariantInit(&pokeVariant[2]); / y$ l E' M- c1 b
pokeVariant[2].vt = VT_BSTR;
' }- H$ f# K6 p4 s3 ^ pokeVariant[2].bstrVal = topicStr;8 Z5 N- K# v3 H$ c5 L+ }
/ i2 e% D: }1 k// Set the DISPPARAMS structure that holds the variant.2 J/ g, a+ q( @& {
% d0 X$ b: C* P: s3 j( Y# |' a8 D dp.rgvarg = pokeVariant;
5 J' o, k8 t7 K" N" b0 j$ l3 ~0 y dp.cArgs = 3;
; ^ X; W5 `1 m3 |6 v$ J2 p k5 m dp.rgdispidNamedArgs = NULL;
8 O& R7 Y/ ]2 K1 X. L+ s3 {: ~ dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(' W- A, }2 c% W. S$ t- ?
pokeID,
( \% D/ t- z& o# m0 k IID_NULL,6 f8 F! B' _6 Y! _1 n9 P: Q$ F! E' f5 R
LOCALE_SYSTEM_DEFAULT,4 ^$ V- s# J3 x3 _2 z+ ?) ~
DISPATCH_METHOD,. h+ _9 j0 o# P9 H5 Y. m" ?9 Q; d
&dp,1 U4 ?- n/ L V5 v1 w3 o' ~4 o
NULL,' W. o) ^" x0 j s% W& Q
&ei,7 {9 ?! {& @! {8 x
&uiErr);4 E0 s/ m& X% m) k' K/ y5 `3 f
1 a# \1 F4 R; w* i% B2 {5 S SysFreeString(topicStr);+ z3 E4 n$ M2 W/ f
SysFreeString(itemStr);; c- J% o" b& z; w
SysFreeString(valueStr);# N, t( \# x; F! k4 C' D
: N$ |( x8 e+ o, s3 Y5 e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???
1 D5 O z0 W) C* m3 n0 U* W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????! t- h- G! S$ x
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2.这是request的程序. e/ |1 Z: Y( N
// Request a value from Extend
& U1 |6 o- L1 i//
9 E2 G$ b0 n: [/ L// Initialize the variant that will hold the BSTR. Set the variant's
2 k& R& |( G/ n// type flag to indicate the fact that this variant holds a BSTR. Place the* @& w$ L' {* [$ T
// BSTR into the variant structure.4 J: s# @+ u! u6 x" Y/ F0 _
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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. D! b; b. e5 E$ b- Z# Y. S, A+ R% v itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");. s6 C4 M4 M8 K+ N1 o
VariantInit(&requestVariant[0]); 2 ]: J) e& K/ k2 Q
requestVariant[0].vt = VT_BSTR;
$ O8 ~8 P) z% y requestVariant[0].bstrVal = itemStr;
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9 Y& y& j5 g+ ~2 ` topicStr = SysAllocString((WCHAR *) L"system");
8 h/ ?0 ?; N7 n% \! U* `- P VariantInit(&requestVariant[1]); / v" e- M) m" l, l
requestVariant[1].vt = VT_BSTR;7 T/ H9 A1 f& f8 O8 C1 K+ }" _6 Q7 N
requestVariant[1].bstrVal = topicStr;
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( {! F" R A: |. V4 K1 T, i* y# P// Set the DISPPARAMS structure that holds the variant.' C& h8 ]+ j: h" Q5 H/ ]
0 ^! ]0 Z6 ? A8 D dp2.rgvarg = requestVariant; m. Z/ r0 S. V
dp2.cArgs = 2;5 n& L3 B$ G* V( i
dp2.rgdispidNamedArgs = NULL;' } s |2 w H7 @( c: s
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;8 p0 {! ]9 f& A8 R4 R- `9 a& W5 q( L1 F
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// Call IDispatch::Invoke(): I" W1 y' C* t: V! a. o) f- M( _
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hr = m_pDisp->Invoke(
; I1 }/ [4 k5 ]8 i; D" Y requestID,; {7 D, r; I- |. H
IID_NULL,
. N4 r2 F* a+ @- X5 C LOCALE_SYSTEM_DEFAULT,4 m, j. C) v3 w6 m$ d0 J5 R; H
DISPATCH_METHOD,# C! n; W# \5 Y. t; ]! }0 ?, I- v" H
&dp2,
0 o: h' u6 r. [9 E! ?: P' e &var,# g% |7 x: c$ A& `) k, m
&ei,8 W- G* E. U# f/ F' P4 T) N% O
&uiErr);
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+ I/ k4 ^: ?" w" a* }3 I3 g& | SysFreeString(topicStr);& B3 Y) {9 n9 a' I, J
SysFreeString(itemStr);6 A, i. V! T& O- N1 V& s
请问该程序是获得extend里面的哪个值?
+ }9 ~, j. l$ f/ j$ A( ~4 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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