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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:
; w: X N# z0 `( r ~+ CName = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (
! e# {$ F. e2 Y IID_NULL, // reserved
R z/ u& D, M* Q( j, | &Name, // Array of names to get IDs for
4 j. L9 b+ j( a P9 m7 }4 v: d0 a' { 1, // # of names in the array) c6 U4 K" {7 `9 N O- o- X4 _
LOCALE_SYSTEM_DEFAULT, // System locale' V5 y, A2 C' ^( q/ }
&pokeID); // Array of IDs to fill on output( O, R2 Q1 Y7 [: h. ?9 A
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if (hr)
6 o& ~& v9 F# V- m& I {
5 Q' N3 q. I9 K# C8 }5 p. s MessageBox ("Get Poke Unsuccessful");' s% X3 m) Q& h+ Z1 U+ e+ |
return;& |+ V* J0 b! ]$ S/ ^- c( [6 }7 w
}
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; q9 h2 X. c4 P9 P" O$ T/**************************传递数据给extend**************************************/
0 B2 Y- o7 I1 ] q/ R pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");
, K* j3 y& X* c' v8 g VariantInit(&pokeVariant[0]); . A: F2 U$ y4 G/ [& d8 l
pokeVariant[0].vt = VT_BSTR;6 d( |$ @- E' Y* ?8 W3 j" G
pokeVariant[0].bstrVal = valueStr;) w( i, }- |( ~5 d: F- |$ V/ t
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");! }$ }2 o k( q; |; \
VariantInit(&pokeVariant[1]); 6 ?& h( C. H; X0 j! L5 f
pokeVariant[1].vt = VT_BSTR;
! f0 y7 _8 b. @! Z2 ~ pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
8 V2 u7 W# l* |, F, w, b: r3 H- s% e1 M# Q VariantInit(&pokeVariant[2]); , h9 O1 |% S3 p& [( w
pokeVariant[2].vt = VT_BSTR;2 a5 p, C- h" \9 {5 L( d3 L
pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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+ V; I z* }/ Z5 ^* T dp.rgvarg = pokeVariant;) [+ q6 y9 S6 f, U9 R3 v
dp.cArgs = 3;
8 `) K8 z; k# q" ~$ z: V" l dp.rgdispidNamedArgs = NULL;) l( [3 j% f: t! K2 {
dp.cNamedArgs = 0;
6 P d& n% N6 V5 }& h) I
& c/ \ K& [6 I# e! B// Call IDispatch::Invoke()8 @8 V0 e1 g' L& z) w* D5 o6 d
( [, j5 c/ k% Z( R2 e5 S hr = m_pDisp->Invoke(& \. g) a" W+ O
pokeID,
" W3 N: W8 u' R IID_NULL,8 z' ?( p% |/ e0 U' n6 M
LOCALE_SYSTEM_DEFAULT,+ s( v2 ]; r6 f2 ^" o
DISPATCH_METHOD,- r6 l$ q( m; f1 F+ H
&dp,
1 e" m" I) B4 L$ u NULL,
! _2 c3 c+ F- N1 h &ei,
, P; Q4 Z" I; s, i) n &uiErr);
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; W- R+ v1 o% Q/ h& } SysFreeString(topicStr);
) x) {! Z: F4 f# Q4 t: j$ Q/ V SysFreeString(itemStr);6 J0 R3 l1 _7 h7 X& }
SysFreeString(valueStr);
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. r# X+ J+ k2 Z* V4 j. r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???
/ G- L& W! z1 G6 H G$ E: l0 _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$ v, X' }( z/ c
// Request a value from Extend
& k; N$ j# Z6 W& l& n7 h//
7 o, ^3 u! i/ [- z; T @3 G// Initialize the variant that will hold the BSTR. Set the variant's9 H6 ]: n, l8 G
// type flag to indicate the fact that this variant holds a BSTR. Place the
u0 f6 A B" ]& Q// BSTR into the variant structure.
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$ P0 z+ |0 ]3 f: N& T% T requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2); j& q8 M9 J6 i; b+ E2 ~9 d+ j
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");# v% E+ A" F. ~& m
VariantInit(&requestVariant[0]); . J4 J/ o' R2 g- R, R: p0 T( Q
requestVariant[0].vt = VT_BSTR;
- A+ D+ F+ Z; f& A3 t requestVariant[0].bstrVal = itemStr;
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# E6 \/ v' s- c' _ m5 ~ topicStr = SysAllocString((WCHAR *) L"system");7 Y2 p7 \" K+ s& v2 L! P, q( w
VariantInit(&requestVariant[1]);
8 f3 S& j$ m- e8 e$ R. l) ~( M requestVariant[1].vt = VT_BSTR;' g5 b6 E L r1 A2 Q
requestVariant[1].bstrVal = topicStr;# I' M, S$ X( c- q5 C
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// Set the DISPPARAMS structure that holds the variant.7 g2 G& R3 C a! R( t
8 v" J8 j$ N# B4 B# p8 { dp2.rgvarg = requestVariant;/ Q" p8 r3 b# j. v* u5 a
dp2.cArgs = 2;
: Z* a# `$ w9 V' _! G dp2.rgdispidNamedArgs = NULL;0 g( Q% T" k0 F! U
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(+ z, {# }" B2 L8 [3 ^/ y* F. E. x
requestID," t* ?) l! f. N2 x3 U) b5 ~
IID_NULL,
& p9 I( e9 K8 k( L7 e' V LOCALE_SYSTEM_DEFAULT,
4 l" U/ Q( K+ Y2 i- h: L3 V, D" D DISPATCH_METHOD,4 L2 i: h. Z3 I, q
&dp2,
$ G, ^0 O9 U0 b( [4 N: D &var,- j; I# ^+ V5 }% \6 ]4 b9 e% r6 \
&ei,+ `% w& F9 @8 G4 J8 ]# S0 M
&uiErr);6 w' Z7 Y/ @8 {2 ?' k" Z" o
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SysFreeString(topicStr);3 G4 k+ d \7 {
SysFreeString(itemStr);
+ o# z3 E) ^2 A1 X* f/ x( D' Q请问该程序是获得extend里面的哪个值?8 a6 f! r" N' `) M' s- a& l
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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