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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:
. S0 E5 c1 R, {+ e# s, NName = (WCHAR *) L"Poke";5 e+ u) D C$ f+ [4 c
/ b8 D' H( c5 \3 @ hr = m_pDisp->GetIDsOfNames (
8 {: e* t2 @; q; Z3 ~ IID_NULL, // reserved. l5 K5 m2 B+ x! w
&Name, // Array of names to get IDs for
{# s$ t% ~3 w0 f 1, // # of names in the array `" {3 x# ]% A# j y
LOCALE_SYSTEM_DEFAULT, // System locale+ K, ?; h' U& {* F7 f- w" [& ~" F" R
&pokeID); // Array of IDs to fill on output8 W q# a6 L6 K1 I
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if (hr)4 J" X) t) }6 i
{) O: I4 ~1 U0 F1 h0 H
MessageBox ("Get Poke Unsuccessful");9 p7 M4 ~, `7 U4 a/ j* H% G
return;
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/**************************传递数据给extend**************************************/1 W& T( n! Z& U
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
8 r. y) p% l! s( R8 Y
0 A [9 K/ ^# _/ B9 P+ J' U1 Q6 H valueStr = SysAllocString((WCHAR *) L"1232");
' g& g/ s+ m7 j3 P) \7 q3 J( A VariantInit(&pokeVariant[0]); * c* ^4 D! z# } L7 g. K, ~
pokeVariant[0].vt = VT_BSTR;: r9 S0 ]3 l5 y. @" c: k; {2 \/ L, q( S
pokeVariant[0].bstrVal = valueStr;4 h! b% v+ s R8 o/ p7 S2 k) u
9 Q) o+ t8 x8 {% X4 k itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");1 f8 j6 L1 i g* F; p/ p2 L
VariantInit(&pokeVariant[1]);
$ V. X4 o$ d- y5 N1 o5 Q pokeVariant[1].vt = VT_BSTR;
- k7 n: A$ B7 E# U5 I9 m pokeVariant[1].bstrVal = itemStr;
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- y. V4 j$ ?9 e) w/ ]1 z topicStr = SysAllocString((WCHAR *) L"system");1 f! P: k2 O+ `0 G
VariantInit(&pokeVariant[2]);
! M4 L; P+ m7 f pokeVariant[2].vt = VT_BSTR;
. n/ s' n* T! }6 d( n. U+ o pokeVariant[2].bstrVal = topicStr;( V0 U- D e# R7 f% C5 r+ V
4 `% P( `- e) [5 {: u3 ^9 R// Set the DISPPARAMS structure that holds the variant.9 W/ J- B2 S6 u8 N3 j( y9 E3 I
: z# ^7 g7 K+ q" }4 _4 p& C* O$ _ dp.rgvarg = pokeVariant;
! J- x k; n& y& p. i dp.cArgs = 3;% O1 [9 E- ]! J- k$ V! E, D2 D0 T1 W
dp.rgdispidNamedArgs = NULL;9 ^* t P3 @' W3 Q/ _7 _! [- S
dp.cNamedArgs = 0;! E' r7 H' R3 y2 ]& a
& w. L8 a4 S; }
// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
" N: `1 F, {: S$ ? pokeID,0 T/ G, n3 u `% u& v. k
IID_NULL,, {4 S$ H4 l3 K8 k9 n$ i
LOCALE_SYSTEM_DEFAULT,3 e( {9 Q- h w" r. d# s7 p9 a9 d
DISPATCH_METHOD,1 M! W! C4 @# f+ Y. U
&dp,
, [$ O' Z% w- P9 O8 } H NULL,
/ l* W u( a' e/ w, y8 }& N& B1 @ &ei,
5 X% ^) R$ D3 O d; } &uiErr);
3 T* A/ d4 `- h! L; c \4 B$ }2 K/ I1 R6 e6 D9 Y {
SysFreeString(topicStr);
! @# B* c4 b: C" F3 f SysFreeString(itemStr);7 V) k0 r2 x5 v, o# U
SysFreeString(valueStr);
" x; u# K% { c( H- w! S3 u4 p' v" }
: B D2 K+ I/ e2 I$ W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???; ?$ E$ v3 L! ^( J9 p' T% B5 d
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???? A, L: }# \8 u. m# S, {* J; l
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9 \6 K' I4 n) x$ |2.这是request的程序1 M- q6 j& i0 b o2 _+ b
// Request a value from Extend! n& [$ C" f9 t6 { ]+ V
//0 G: h1 P+ _" v1 P# k
// Initialize the variant that will hold the BSTR. Set the variant's3 R. }8 w* N+ A# H, d
// type flag to indicate the fact that this variant holds a BSTR. Place the7 _1 y- K* l7 e8 w1 g
// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); o" q) k3 b$ A) z7 r% v
VariantInit(&requestVariant[0]); ' H- r9 D& q/ m3 Y# T n/ T& L8 \
requestVariant[0].vt = VT_BSTR;
1 \! O# e( o, c% p# r4 e, B requestVariant[0].bstrVal = itemStr; C( P* _9 V1 u; c9 V
$ p4 N6 d; Q5 h( ?) k( t
topicStr = SysAllocString((WCHAR *) L"system");
6 ]! [2 k# L) L, J, R) V- F: o8 X! p VariantInit(&requestVariant[1]); % `% H% q; i7 W4 i4 I0 a0 F
requestVariant[1].vt = VT_BSTR;
) x0 p( X. C: W& { requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.6 d$ q9 D# R3 e: G/ T; f
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dp2.rgvarg = requestVariant;
0 d0 J$ N# S& O, O2 o v+ I$ r dp2.cArgs = 2;0 N5 W9 s. c/ b& e. c% C. s/ x# `( A
dp2.rgdispidNamedArgs = NULL;. I1 q3 {, c4 C \) t; w- v' ~
dp2.cNamedArgs = 0;9 ? `# e# d% o4 O# [, {7 [
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var.vt = VT_EMPTY;' E; n* f" S& T+ O
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// Call IDispatch::Invoke()
# ?0 i5 t4 Y6 D$ K' V/ g9 C" ]7 E# ~+ A$ l5 x+ t
hr = m_pDisp->Invoke(
+ [5 m% a! I4 B* k- w7 h% F/ @/ n requestID,
& i" }% x+ [/ w# p' F IID_NULL,
# Y) h \6 J9 |. k1 M LOCALE_SYSTEM_DEFAULT,
4 \; p3 I/ ^, C DISPATCH_METHOD,4 a4 k# P' A$ B2 K- H- ]: s
&dp2,
/ m) S+ V: b b( n8 V9 W( A+ x &var,
( k/ z: P! \; @9 C" f &ei,2 @3 y L5 Q5 X q8 P" _8 Q. U4 U
&uiErr);
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SysFreeString(topicStr);
; F. @; _! b1 V SysFreeString(itemStr);: s- `0 g/ M' O2 ^5 Q$ V
请问该程序是获得extend里面的哪个值?
- j2 g3 j9 W$ d# }- v& 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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