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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:
4 E8 r, M0 f) `& P) |2 v# {6 WName = (WCHAR *) L"Poke";8 c+ ^7 U* A9 _. ?
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hr = m_pDisp->GetIDsOfNames (' G" @5 O! ?+ c2 n" t' e2 Z8 f
IID_NULL, // reserved
# X+ p5 H$ P1 y! O. W) u &Name, // Array of names to get IDs for8 H7 N3 u& j! j
1, // # of names in the array" N( K$ \) t( f% A2 x
LOCALE_SYSTEM_DEFAULT, // System locale# q% V* A j# f3 ~
&pokeID); // Array of IDs to fill on output% Y$ O! H- N3 Y3 R4 e! @
& @6 O4 o. b8 ]# K" ]7 { if (hr)
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MessageBox ("Get Poke Unsuccessful");
O4 G, N; E5 A' q6 b. A$ ~3 O return;
; h( g0 V1 T! c! g) f5 T }
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3 Y' {4 X1 B1 z+ a V/**************************传递数据给extend**************************************/
) G, b4 A; n2 a6 [+ P pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
! H7 V8 c. `' m. h( G : U2 j+ f4 L; ~/ C
valueStr = SysAllocString((WCHAR *) L"1232");+ _. A% J) K" q& s4 x$ }
VariantInit(&pokeVariant[0]);
& l( ?* l9 F) X6 y- A pokeVariant[0].vt = VT_BSTR;/ f, L* }' |% q
pokeVariant[0].bstrVal = valueStr;" s. } X" ^. n2 @7 f) p
# j& s4 ?# Y* W- m itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
" I/ Y; U" H! l0 {. S* A, k VariantInit(&pokeVariant[1]); 4 v. i. Q4 i6 u+ m% |& h
pokeVariant[1].vt = VT_BSTR;$ r8 r9 N% S' S+ y5 E( T+ ^
pokeVariant[1].bstrVal = itemStr;" J7 ^, H k4 y
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topicStr = SysAllocString((WCHAR *) L"system");
/ X/ L- n3 J( x/ y0 x VariantInit(&pokeVariant[2]); . `5 ^- y2 E" _5 [/ w% p2 [! l) ^
pokeVariant[2].vt = VT_BSTR;( n8 b7 j) N2 }7 |/ t: U
pokeVariant[2].bstrVal = topicStr;2 A" `9 ~; y$ E5 d* C6 Q6 y7 x
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// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
& E. U y3 E: L* V; O+ h dp.cArgs = 3;& t ^" W; @) C: B/ R
dp.rgdispidNamedArgs = NULL;, m5 k1 e% ^7 r! s6 q! N
dp.cNamedArgs = 0;* K+ z$ Q* q( m9 F' _& M
: X6 N6 o) I# Y// Call IDispatch::Invoke()
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. R* j% H4 a" Z hr = m_pDisp->Invoke(
$ t" o1 e6 ]: m6 k" x, E% t pokeID,
8 f7 Y- t- J4 C' H; N" ?( W IID_NULL,$ v: b3 Y1 A, r0 r8 o) N3 H b
LOCALE_SYSTEM_DEFAULT,
e/ _2 e8 h5 n) ^; Z DISPATCH_METHOD,
, b% O; s' G W &dp,1 G7 p. P* `. P+ ?8 Z% [
NULL,
" }( H) }: F5 h &ei,+ @7 G3 C7 y# b% B; V: b8 k
&uiErr);8 K6 H* P7 u& H
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SysFreeString(topicStr);
' h% T) e8 Z4 ^2 D0 D SysFreeString(itemStr);
" W: `3 }# p/ i8 F9 y. b SysFreeString(valueStr);
7 y' V; k. R3 \! q1 r2 F3 C$ Q- \) Z2 g! F7 V5 U( }5 S
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???! b4 q1 a' K4 Z# l7 L. ?
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????
H+ I6 b! u/ E
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2.这是request的程序
8 n |) C2 ^" }// Request a value from Extend
* R3 ~# I4 F+ k/ D0 G//
B7 Q6 d1 x$ k- o// Initialize the variant that will hold the BSTR. Set the variant's$ [" Z3 y7 L3 F2 q
// type flag to indicate the fact that this variant holds a BSTR. Place the$ |7 y! c) n x, O
// BSTR into the variant structure.
% [1 u* a' I# I1 k# |& g4 L" i' Y2 i; _8 x& @7 d
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);8 `3 p/ S; u. C* z5 K
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
, q; V3 r+ l: r5 J9 @4 Z VariantInit(&requestVariant[0]);
1 F2 J% R0 B' I4 M requestVariant[0].vt = VT_BSTR;/ J4 C& k$ H( s' }) Z0 G7 m
requestVariant[0].bstrVal = itemStr;/ b0 U. [. t o" b* x
+ M9 ?8 C% _+ C4 T topicStr = SysAllocString((WCHAR *) L"system");
. W" q _) d8 ^* C. B6 m# x$ j; y: ] VariantInit(&requestVariant[1]); : E3 k; B: K$ P* Y
requestVariant[1].vt = VT_BSTR;
9 J0 A& X# g: }. ] requestVariant[1].bstrVal = topicStr;
% `, Y# D1 D+ k! E2 U
# C9 _1 b5 w. s% |$ A// Set the DISPPARAMS structure that holds the variant.) N( l) ~8 s* n% a5 M3 b- o
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dp2.rgvarg = requestVariant;
8 X7 y$ P2 z. Z2 R dp2.cArgs = 2;2 l, i3 P2 W7 F$ G: D# w7 E
dp2.rgdispidNamedArgs = NULL;
c! s+ _! Y' L* H& T9 n- x$ n+ c0 k dp2.cNamedArgs = 0;" V8 V' k$ E3 i
) Q# [" K9 K* u5 b `5 H var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()
t+ |: v1 L8 \ W
{- K* d4 T" S hr = m_pDisp->Invoke(
. o2 Q& F' X' {# y! e! P$ e requestID,8 B$ A& u( ]! q' S. j- j* ~! B
IID_NULL,
) P0 U `2 l/ _: R7 u LOCALE_SYSTEM_DEFAULT,( L+ n& A: k! C* D& Q7 q* j# t. |
DISPATCH_METHOD,
( |3 p7 W, i7 p7 {( v0 S &dp2,
: [% H4 F$ ]! `0 Q &var,( W1 P9 z3 @( q) L: {- Q; Z4 z
&ei,) h& b& L' |; t# G6 O9 o! m
&uiErr);
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SysFreeString(topicStr);
& a4 q% u$ }, e' B0 L$ M( F SysFreeString(itemStr);/ Y9 u- n2 y6 V/ O, ?
请问该程序是获得extend里面的哪个值?
5 b; j6 ?2 F7 t3 S( S3 n( A8 O) X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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