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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:! h! Y6 S4 a' K
Name = (WCHAR *) L"Poke";3 U2 t. G8 q$ P N; T
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hr = m_pDisp->GetIDsOfNames (
' j( K/ _& Z7 G3 E IID_NULL, // reserved
9 `' h. m7 q1 u( g$ _& {2 }* V0 _! o &Name, // Array of names to get IDs for
; h8 l5 d, H) W4 S7 x, G 1, // # of names in the array
; h' C( R4 r/ O: |% ? LOCALE_SYSTEM_DEFAULT, // System locale% U3 x9 Z1 e( ^2 f
&pokeID); // Array of IDs to fill on output
/ v" `( j! t& L! O& j' N ' o0 G4 i- f" J4 A# Q' i+ o
if (hr)' a' \$ n) E6 u' o6 }! {& P
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MessageBox ("Get Poke Unsuccessful");
; N1 }1 o4 {. T. m4 m0 _4 C return;& I ] ]' Z: t% u6 m- i* A& j( s
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/**************************传递数据给extend**************************************/
l% I% I! P0 N1 d' A3 I pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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5 J6 j( L# ]' {7 w/ v8 i: Q3 E& ?( w valueStr = SysAllocString((WCHAR *) L"1232");+ d2 F" \( x0 t# Y
VariantInit(&pokeVariant[0]); - `) D; T, {7 S! \
pokeVariant[0].vt = VT_BSTR;; e! Y$ b1 M Z7 W
pokeVariant[0].bstrVal = valueStr;5 ?: b9 k7 ]* E/ z0 V0 h3 k/ c
" F* C4 g# I) B9 y9 p itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
! y; E) z, P) E0 x1 l' i VariantInit(&pokeVariant[1]); # V! F6 |+ U4 ]2 S' ~/ y# w9 F' C
pokeVariant[1].vt = VT_BSTR;
2 x+ o3 X8 f+ }/ b% ?0 f pokeVariant[1].bstrVal = itemStr;0 h& ]% B! m. ^
% o* t3 e5 j1 ~ topicStr = SysAllocString((WCHAR *) L"system");
" h6 Z2 d5 R7 \) @- X8 m$ f VariantInit(&pokeVariant[2]); # d: u' C' L) g* H$ W) a
pokeVariant[2].vt = VT_BSTR;9 u0 U3 s" t( b& R- I
pokeVariant[2].bstrVal = topicStr;3 ~! g* r' p4 }- Z& |- q
" _2 v" O$ |7 |5 L9 f4 W- Q// Set the DISPPARAMS structure that holds the variant.! k. H6 |- J, |" D( r
1 Q8 v7 I6 t0 g/ ?$ x0 ?% v# m dp.rgvarg = pokeVariant;4 i8 V+ r# s. a& y7 g4 j
dp.cArgs = 3;
s {2 W" {* y2 `' | dp.rgdispidNamedArgs = NULL;* P x( F% F6 ^2 ?/ F$ S6 z
dp.cNamedArgs = 0;
# y, F+ `* H0 P: d3 c
4 e P' x6 @/ ~' f7 s9 a) u8 Q// Call IDispatch::Invoke()
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# K9 U! M6 c! O! w& v% ?# m, ~" w hr = m_pDisp->Invoke(
, U: C: L% Q, X/ r; b, `4 M pokeID,
( w. t9 l3 H0 Y IID_NULL,
) s& O1 s8 ]% L LOCALE_SYSTEM_DEFAULT,0 K5 W# {/ k! X4 y# t: Y
DISPATCH_METHOD,( r9 o) e+ q0 b& s' k3 F$ S' A
&dp,. C1 ?' ^/ Y1 r+ Z0 b2 k
NULL,
- L \% H7 c; K% I5 a &ei, S3 T( i' i+ o
&uiErr);
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SysFreeString(topicStr);: r, C1 _2 q+ v Q. v0 W) H
SysFreeString(itemStr);
2 w, r; a' l% ]; j- K* e+ \! j SysFreeString(valueStr);
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9 J. U. {: t: }: }0 m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???% E7 A7 e3 N5 p9 N
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????: b; }8 D' M) z9 J# ?) _
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2 @, B0 B3 d# L+ y2.这是request的程序/ d6 B% T: Z- r
// Request a value from Extend
3 M7 F; }$ E+ ]. n- H; o: T- L# B//
+ w$ i) p9 v% p# W// Initialize the variant that will hold the BSTR. Set the variant's# ]' ?: ^0 s, `: G+ ?# X4 k6 b
// type flag to indicate the fact that this variant holds a BSTR. Place the
! Y, }7 @8 R& q, Q& X! z0 Y// BSTR into the variant structure.! u* _2 f& V, Q2 ~6 _$ Q3 P
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");, s; l* S1 N b2 J
VariantInit(&requestVariant[0]);
1 m& R; e5 [# O* i3 }4 j" e requestVariant[0].vt = VT_BSTR;
5 P/ G, p) B! F1 J3 W1 y/ i requestVariant[0].bstrVal = itemStr;4 f, ~1 |% o8 U# K) o
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topicStr = SysAllocString((WCHAR *) L"system");
" h2 f* A. N. d$ e VariantInit(&requestVariant[1]);
: J; L" |9 [) ~- Q: ^# _0 r requestVariant[1].vt = VT_BSTR;
6 ~# \+ R8 u8 N; w' ` requestVariant[1].bstrVal = topicStr;
1 V W7 O/ ~$ [# x
; g# x8 I/ M. g" S$ A// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;; p+ `/ T! Q2 E5 F
dp2.cArgs = 2;
. M8 P; Q* M1 l" `, L7 z- G dp2.rgdispidNamedArgs = NULL;
' X! {# L' e* z U dp2.cNamedArgs = 0;1 F; d% u! E9 H* E
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var.vt = VT_EMPTY;7 }8 O* h* {$ V1 M2 B( R& G
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// Call IDispatch::Invoke()9 K/ V8 @! N( ?2 Q7 g* y! g
3 v9 ~1 a& W' o, x5 N+ V [ hr = m_pDisp->Invoke( p8 `& `$ m# ~( @; t
requestID,
" Q4 W9 q. `. n7 @: X IID_NULL,' p; }' T H% v
LOCALE_SYSTEM_DEFAULT, f0 }" ?" E5 k; `
DISPATCH_METHOD,, L8 y0 _0 T) V9 _
&dp2,
$ p" Y( Q$ S1 V; | &var,
4 T$ N) {6 \ K( s6 D &ei,4 i& J; U' R2 m# f+ F0 [
&uiErr);
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# b! B4 E1 x$ S# ]+ k SysFreeString(topicStr);
- m$ a, [" e( y/ h( |2 V+ F% A4 X SysFreeString(itemStr);) \* M) T3 u5 u
请问该程序是获得extend里面的哪个值?
$ t; B: R5 K' u' A7 _* A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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