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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:
' A6 f$ h" b( L! rName = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (0 G; ~8 c3 Q4 D
IID_NULL, // reserved
C" r H, `: O2 V# R! I3 c &Name, // Array of names to get IDs for
/ Z* b) A7 T/ Y3 i4 g$ N 1, // # of names in the array
( u; p. t2 m6 I; p; u0 r LOCALE_SYSTEM_DEFAULT, // System locale
2 @% G' G% R, \; D( Q V. s &pokeID); // Array of IDs to fill on output9 y6 n; \6 w. j" Y
& l7 \- d- z3 \, W
if (hr)
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MessageBox ("Get Poke Unsuccessful");
( C }' V9 B4 g% Y1 n return;
P: n" c. @ ]. Y }6 h* q- ?7 s" j! ~4 `
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/**************************传递数据给extend**************************************/
; W, u# L% M2 b3 y pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);2 a" x2 c! n7 a3 k9 K& W; o' m# p+ a! j
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valueStr = SysAllocString((WCHAR *) L"1232");
" ^7 q, z8 ^# w) P" F( y8 d VariantInit(&pokeVariant[0]);
& s: z$ C( u8 k: J o pokeVariant[0].vt = VT_BSTR;7 E/ h$ W! L1 ^& C, { \: S- l
pokeVariant[0].bstrVal = valueStr;1 ~1 i( { d. m) X6 `8 D' E% v
& |% ]$ L& E" I0 q itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");" C2 U8 ?" \% z1 A4 m
VariantInit(&pokeVariant[1]); . ^0 r# v- {6 w: G2 K
pokeVariant[1].vt = VT_BSTR;
, x- K8 x6 t8 r) X- C1 f pokeVariant[1].bstrVal = itemStr;
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6 R8 C/ x! S8 n. }# G* m topicStr = SysAllocString((WCHAR *) L"system");
$ ?. P7 y" @+ @* j( e' C VariantInit(&pokeVariant[2]); ( S" g. ^2 P e9 A' D$ P
pokeVariant[2].vt = VT_BSTR;* U. H- T. i$ D6 T- o( S
pokeVariant[2].bstrVal = topicStr;
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. s4 y/ c; Q6 j9 [& T' u- E// Set the DISPPARAMS structure that holds the variant.- l. C8 R: [( a4 Q
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dp.rgvarg = pokeVariant;
) P" _# p& r( |# f dp.cArgs = 3;1 N8 b* A0 ]+ n4 `% C8 K9 M. C
dp.rgdispidNamedArgs = NULL;
5 k7 @0 g6 j% m5 W- h dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()! v& ^: {' W Y% p4 a% a
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hr = m_pDisp->Invoke(
& _) w$ b6 `5 ?+ c3 j0 E7 z pokeID,
; A Z: h, s. M# _6 V# ]) U& B" e) _ IID_NULL,
# {, a* w% g1 f6 i( p g LOCALE_SYSTEM_DEFAULT,
* |+ o7 m3 y5 }4 A DISPATCH_METHOD,
& R. Z" m5 q" E: e' i1 g$ L &dp,
: r6 J' q: y' ? NULL,
+ B9 y# k- P4 U &ei,% f3 B% S2 j+ y3 \+ D
&uiErr);( w9 W0 D2 R+ w ]" G
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SysFreeString(topicStr);
: D9 o9 R7 `* o6 R' \ SysFreeString(itemStr);
9 G# j8 s; T; F' |* @: l" \ SysFreeString(valueStr);
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% Z" \( i) X8 c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???
w* H: z2 r/ @9 y$ U9 w* v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????5 c* w: W% k0 y' Q. X8 J2 x8 x* Y
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2.这是request的程序' l0 B* ?# o; j7 R- {
// Request a value from Extend( t. o8 y, l( S2 K1 `
//
5 ^9 f, c; c/ g* Y, B% m// Initialize the variant that will hold the BSTR. Set the variant's2 e5 U# W3 M# `' g2 i, Q. {6 c% P' c9 w
// type flag to indicate the fact that this variant holds a BSTR. Place the
0 o$ q. i/ k8 u, Y3 h6 h// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);( {0 k- J/ {2 m/ _/ n4 D6 u# W; m
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
8 a! P! i" L9 M& e9 p, Z VariantInit(&requestVariant[0]);
8 D& R/ ^1 p7 T- Y- p3 t requestVariant[0].vt = VT_BSTR;9 z6 l/ `$ d/ x. b8 \7 x% w
requestVariant[0].bstrVal = itemStr;
# j- ?3 N7 o; g: A$ v
# M8 `7 s5 m7 [) A- L+ e% k) j topicStr = SysAllocString((WCHAR *) L"system");
+ x$ _7 s4 ]: A _ VariantInit(&requestVariant[1]);
' ]( U5 ^: t6 W# M4 H2 d U7 U2 f requestVariant[1].vt = VT_BSTR;6 f$ [) B; }6 E0 ^2 ^
requestVariant[1].bstrVal = topicStr;/ h( L* \4 O- q( z
# x0 _2 g/ [: O1 w0 W// Set the DISPPARAMS structure that holds the variant.
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+ ]2 |; W; b' H* c dp2.rgvarg = requestVariant;" L$ ?2 O) A% I5 ~. y: q
dp2.cArgs = 2;8 R& y5 }3 s5 Y6 P
dp2.rgdispidNamedArgs = NULL;
* C- ~8 T! E% I6 E; G' P# g dp2.cNamedArgs = 0;
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7 T* {4 g" x* a# a7 P% t var.vt = VT_EMPTY;
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^$ @& e/ X7 P& G// Call IDispatch::Invoke()& s* V4 N+ ]9 T
0 W, a0 G D* Z8 Y hr = m_pDisp->Invoke(( F! Q! P2 l( p8 y
requestID,* ^5 U3 s: C0 t! N; u! L9 C+ j' e
IID_NULL, Q: Q- O" m! ]/ O- Y9 w
LOCALE_SYSTEM_DEFAULT,
& c; C% K+ n( d1 ?% X+ F) L Y# ~$ Y DISPATCH_METHOD,
. s& r& ?, r' v1 D &dp2,5 D$ S2 J* q3 ^) a; v+ Y
&var,
' M) l. P. I# ?$ V- S3 P7 R* y &ei,
7 c4 \5 ?% R l5 ` &uiErr);( a+ s3 k* [6 x& p5 I- _3 `
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SysFreeString(topicStr);" ?2 k. o9 e* o$ S5 b1 C. B1 x J' R
SysFreeString(itemStr);
* W- I% ]( G% {' F7 l5 a请问该程序是获得extend里面的哪个值?
# M' l2 s2 ?2 ] S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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