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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:* E& n8 U( I7 \- ^7 u& l: e
Name = (WCHAR *) L"Poke";! x" {: O8 x* d+ d7 V* V8 v
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hr = m_pDisp->GetIDsOfNames (
, [% Z: V) s4 n8 W# \ IID_NULL, // reserved
/ \! B3 R. M S7 e5 q# o &Name, // Array of names to get IDs for" Q& X) b, _- f# R% I+ K1 }1 o
1, // # of names in the array2 ?2 I4 d6 I7 k
LOCALE_SYSTEM_DEFAULT, // System locale3 } v# x1 M9 N4 B7 H- `$ J) H3 Z4 y
&pokeID); // Array of IDs to fill on output
8 f1 w# z; I" _+ H
+ D9 m( u7 H/ B7 Y: S if (hr)6 H6 H) I* P. @2 W
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MessageBox ("Get Poke Unsuccessful");* b2 s9 v" [1 U" i
return;9 g3 P9 Y+ p9 e: P
}
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/**************************传递数据给extend**************************************/. J G, l, Z$ m
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");' _9 {- n; K5 o! o! D7 ~3 F- A
VariantInit(&pokeVariant[0]); 8 |% h* N1 R/ y
pokeVariant[0].vt = VT_BSTR;
( X3 S" @; z/ c0 h |* F) y1 V! c pokeVariant[0].bstrVal = valueStr;3 \2 q! @2 Z6 r2 g; n
) v( E8 U. @" } itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");6 ]1 q# R: I# [/ q4 I
VariantInit(&pokeVariant[1]);
L4 d9 E( m* C pokeVariant[1].vt = VT_BSTR;
6 ~; w+ s- S6 W( z) V pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");5 T/ L) G) ]& B$ g
VariantInit(&pokeVariant[2]); r: h/ z# z2 a6 f
pokeVariant[2].vt = VT_BSTR;
1 [5 p$ z, O+ ^# l% a pokeVariant[2].bstrVal = topicStr;: o) _, w) U8 R: d8 l
4 y- n3 l. x3 m9 j( g _; {// Set the DISPPARAMS structure that holds the variant.
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, {9 B& W. s2 B1 g" w* ~6 g dp.rgvarg = pokeVariant;9 d2 Y8 i, n+ Y) `
dp.cArgs = 3;
J5 r: ~' n% Y! y dp.rgdispidNamedArgs = NULL;
' ?- K) D# c8 K+ y9 x! l% A dp.cNamedArgs = 0;
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// Call IDispatch::Invoke() X2 q* K5 v/ y1 d
9 z+ r$ b3 ^5 a, d5 j9 n% Y% H hr = m_pDisp->Invoke(5 q! ?+ a# E& H5 Q+ }- @+ m$ R3 D
pokeID,
& R7 A4 T5 G( d6 x8 T IID_NULL,! c% a! S$ P5 ]1 k$ @' v
LOCALE_SYSTEM_DEFAULT,
8 [. g& X0 n i Z! @: ~, i DISPATCH_METHOD,
, y, m! I: _/ w2 Y8 x9 X- V! ~ &dp,
; E, s1 m& {( E NULL," F0 e0 m* Q8 ^" P
&ei,$ Z8 w7 c3 p- i$ B, X( I
&uiErr);
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SysFreeString(topicStr);
& b- Y6 n6 `. O/ h' J SysFreeString(itemStr);
. D) J' N) M. |* [ SysFreeString(valueStr);
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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???& B0 T( B9 V, z5 h6 W8 p
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
6 m6 R# r; y+ T// Request a value from Extend
' r; x/ f. v2 h* Q//
: H, a& d9 G6 a) u; \+ P// Initialize the variant that will hold the BSTR. Set the variant's
7 s/ U; Y/ P9 ~# @( j6 V- b// type flag to indicate the fact that this variant holds a BSTR. Place the
2 v. L- W& C$ ]! f7 e! J+ b/ @// BSTR into the variant structure.* h& E& N- `7 k4 t% c) b) G0 X' ~
; s$ Q. {5 Z* t9 g' Z+ b5 p2 J4 T8 G requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);- b) r9 C; Z4 j+ n6 O
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");# k6 f% F' K1 f9 l+ b* X5 X& A7 W& ]
VariantInit(&requestVariant[0]);
* E- G1 ^6 q8 P7 @# J0 { R8 |+ T" q requestVariant[0].vt = VT_BSTR;
% X2 y4 R) ]/ F7 G9 ^$ {$ e requestVariant[0].bstrVal = itemStr;- D/ X9 m9 m3 v, O# m
1 E# p F" J7 k; ]; O0 P h* [ topicStr = SysAllocString((WCHAR *) L"system");! l8 t0 h# }* r: n! m
VariantInit(&requestVariant[1]);
' }; ]7 O; s1 [6 z requestVariant[1].vt = VT_BSTR;
' V: r: ~0 ]% h8 X a) |! S0 T6 T; n requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.( u1 a2 C5 ^+ a
8 X/ B; q) N+ c: S5 k9 A* }( \. @ dp2.rgvarg = requestVariant;
- p; p' [" L5 P dp2.cArgs = 2;8 Y, l* f" ]6 [
dp2.rgdispidNamedArgs = NULL;
6 I3 |/ \/ _! d8 ]" a dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;4 V8 A0 ]/ K) M
1 ~% D/ [3 M- [# J// Call IDispatch::Invoke()# y; a1 o. b4 X- i
$ \" A& W. o( S4 O' h; F! W; V5 a$ q hr = m_pDisp->Invoke(
: h: o7 j+ o/ z5 Y" I requestID,. G, r$ W9 P# ? {9 |9 u
IID_NULL,. v7 n0 I1 k) Q) l; P
LOCALE_SYSTEM_DEFAULT,. _) M3 K) r! ]5 x1 }/ b. @
DISPATCH_METHOD," A! E: m# I5 }" E
&dp2,
. t! f; M& W K5 u m &var,
6 Z; t5 a' W5 I1 N4 V! X &ei, p: L- t, s7 U/ J/ t6 x
&uiErr);/ i( e6 Q- ?) k( |# _- Y
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SysFreeString(topicStr);
2 ^, ?- P3 Y `8 d2 |# c% [ SysFreeString(itemStr);* e- A- M5 ~2 ?0 E+ `9 {1 z9 b: ^. ~
请问该程序是获得extend里面的哪个值?
: p6 J& [; j/ s6 k0 q7 Z7 I: `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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