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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:9 F$ G4 X! p6 m+ n7 K5 S4 l! C7 I
Name = (WCHAR *) L"Poke";
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- M% X; A$ d* r& \! ~% [6 s4 h hr = m_pDisp->GetIDsOfNames (
- {6 a; W# z( k- \% x IID_NULL, // reserved* a" w& d4 R$ a3 s2 N/ d: i: x$ ^
&Name, // Array of names to get IDs for+ s6 N5 S/ o9 `/ v
1, // # of names in the array
, P" O1 ]$ J9 y6 Q LOCALE_SYSTEM_DEFAULT, // System locale
+ C9 g- L( C+ s0 O1 S0 s &pokeID); // Array of IDs to fill on output
g3 }6 x1 N) t, A# D2 c ' e) i; a# P0 ]% @2 O0 {
if (hr)
: f: L& b1 H: H {
0 r1 g8 i6 B. m4 x* H; N' ` MessageBox ("Get Poke Unsuccessful");' H9 r% }9 o# K4 d
return;, Y, x( i0 L' F' ]
}
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/**************************传递数据给extend**************************************/; T, B+ w8 {% h G3 N# v
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
& M% U/ m9 T0 p- Z5 b! u9 u; s
3 Z# @9 F; x" ~; a8 F+ x valueStr = SysAllocString((WCHAR *) L"1232");
+ t- H- i5 r3 C1 a VariantInit(&pokeVariant[0]);
: x2 X& r, v: [. |% P! c pokeVariant[0].vt = VT_BSTR;8 s5 {* e9 y d
pokeVariant[0].bstrVal = valueStr;
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7 V4 m$ y6 n4 P( X9 K) T" Z5 G itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
& Y5 Z' b- Q' T2 ~3 `, L8 z( H VariantInit(&pokeVariant[1]);
2 W0 [ s* `4 N. o pokeVariant[1].vt = VT_BSTR;; u( T8 o1 z5 V ]2 Y' i
pokeVariant[1].bstrVal = itemStr;
9 {2 u* g- J8 @; o* ^
* D5 ]4 Z, w4 r, x0 n2 }7 \ topicStr = SysAllocString((WCHAR *) L"system");& G+ j, p ~5 M/ T
VariantInit(&pokeVariant[2]);
6 k J+ E2 U' n pokeVariant[2].vt = VT_BSTR;
, K+ R P4 Z1 \5 F" w* W) q$ S pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.( w% T! G- E; ]! k% a! D
: M7 `7 F- t& r% b/ \! f dp.rgvarg = pokeVariant;
3 X i6 K, }3 u4 L9 W dp.cArgs = 3;
6 ?2 P8 ~$ k1 K1 D* y dp.rgdispidNamedArgs = NULL;
- l% _7 T7 U& d0 p$ i6 e dp.cNamedArgs = 0;
' ~' m' ~* P& _
5 W& S4 N+ s* q* t/ ]// Call IDispatch::Invoke()6 B8 i4 D9 i' H z6 K( j
; \, Q0 [% `" j1 d
hr = m_pDisp->Invoke(
! s5 K8 F& J8 s/ R6 t9 E pokeID,( D* j. w- r# C4 j2 G6 u7 B# r
IID_NULL,
, I$ k- r; G$ [* s2 h" C' j3 V LOCALE_SYSTEM_DEFAULT,5 k+ a& ~" J+ f B, a+ \3 H! c
DISPATCH_METHOD,9 V+ u+ b( K0 l; O3 N, K
&dp,, S$ z& z1 H6 I2 U' ?0 W8 D0 x
NULL,
h/ |4 v3 h' ~, C4 p* n3 Q/ } &ei,
& t p/ R4 F+ } &uiErr);
, u9 p4 F* L g/ f+ G _' N
6 R1 M3 x4 p% A# b SysFreeString(topicStr);
$ j5 b8 N4 v2 g- w/ @# |7 {7 S SysFreeString(itemStr);8 S8 O/ H7 a* ~$ ~6 D
SysFreeString(valueStr);' D- C: e9 S. ]# k0 d7 v7 q
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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???
# ~" d @/ O) e0 X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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+ g& U T9 z: d
( E; |) y: W F( S2 M9 I2.这是request的程序9 l6 O# ^2 a# A: T( s
// Request a value from Extend3 H i4 n: t2 H
//8 O% `" y/ r$ r3 h, G, m
// Initialize the variant that will hold the BSTR. Set the variant's
, ^9 R) ]5 [- x- M4 [& @. U# E// type flag to indicate the fact that this variant holds a BSTR. Place the
( B# T0 b+ e2 ?! u" d- C// BSTR into the variant structure.) ]- q+ s! z3 ^# G
4 a3 X2 L& i* y# [4 \ requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);) T6 {. O. M" `5 m1 b& M
+ e' Q" Q" u D# ~" w- X- k9 z! c+ ~
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");" `4 Z0 D" N$ G% X7 t& r9 e
VariantInit(&requestVariant[0]);
6 {$ P" f) W4 C2 b1 C5 A requestVariant[0].vt = VT_BSTR;+ R u( L D9 {" Q J
requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");8 _$ F( n1 ^4 ^% Y" j5 l9 I8 M
VariantInit(&requestVariant[1]);
: I5 I7 w8 c1 y3 x" b4 R0 \ requestVariant[1].vt = VT_BSTR;9 u4 Z2 V# ? i+ P( X
requestVariant[1].bstrVal = topicStr;8 l' W0 c+ e* g6 X9 P2 h
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// Set the DISPPARAMS structure that holds the variant.9 l: o0 x$ l0 S& R4 @
6 t" O7 X# _1 y3 w+ H2 T, J dp2.rgvarg = requestVariant;/ I$ o* J# @& h7 J. @3 d. Y6 |
dp2.cArgs = 2;- \- |) E6 V; [
dp2.rgdispidNamedArgs = NULL;
9 ~3 k: a9 k' g- L! q" g' r- G. a dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;
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2 o% o0 x6 L1 s% z Q$ X// Call IDispatch::Invoke()3 ?# w5 Z) U; z8 ?0 @6 F; f/ R
, _* I; T/ \9 Y: ? hr = m_pDisp->Invoke(
$ J% g. Q- s/ y2 J/ w requestID,. X" y3 } e% b! _
IID_NULL, E& v- Q* [( A% ~% P
LOCALE_SYSTEM_DEFAULT,7 }+ r5 b& t; q! X7 w
DISPATCH_METHOD,7 p4 q& t5 q( K! W. V% ?
&dp2,( I& C; ~& h& m0 I+ }, w! {$ z4 @
&var,
/ G e3 P/ k4 n &ei,
1 ~8 h2 x0 P7 ]! d2 A, G &uiErr);
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SysFreeString(topicStr);
' x* M/ {% n! J2 T9 L SysFreeString(itemStr);) N7 V& e" f4 L8 P" }/ k
请问该程序是获得extend里面的哪个值?( m5 h. k& }1 V. C# J. ]
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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