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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:
, N, O6 m: a: Z' @* vName = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (
. Z/ I# z6 Z) Z/ C$ C, e6 d) U8 ~8 N# K IID_NULL, // reserved' ]9 ^/ Y8 C3 N, k& e( O
&Name, // Array of names to get IDs for0 M1 E! j. b! K; Q! F. y B* F3 M
1, // # of names in the array4 F7 l% f* ]8 f
LOCALE_SYSTEM_DEFAULT, // System locale
; P" S9 C$ o2 y9 }, q1 [3 F &pokeID); // Array of IDs to fill on output
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! `7 C: g; z. j" F2 @5 O% H if (hr)
' s! ]- s- m; Y- W {1 \+ X" ` R. H. I! Y8 s% _
MessageBox ("Get Poke Unsuccessful");
' S) m$ ^8 l0 V+ I1 K return;
$ f' L% H K9 D) w }
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1 a# M% N2 Q- U r( A9 m7 M- q) p/**************************传递数据给extend**************************************/
- Z8 D( e/ P& ]" e6 Q/ Z" j& } pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);- r& J q: J5 W. c! z
+ M+ X2 ]4 o: O+ {& w0 m; _
valueStr = SysAllocString((WCHAR *) L"1232");; d3 k( U- ]! }% U! O: r' D3 U
VariantInit(&pokeVariant[0]);
8 }- n; N4 M" a% M+ \' t7 M pokeVariant[0].vt = VT_BSTR;
4 T( j# @4 v4 i1 j. O pokeVariant[0].bstrVal = valueStr;
4 ]5 Q1 J9 Q! T
. M3 E; W. W& e# m y" [: ` itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");& K8 f8 p/ R* ]1 ~
VariantInit(&pokeVariant[1]); , J4 m! P1 r( F0 N+ z5 A# @; E+ Q4 P
pokeVariant[1].vt = VT_BSTR;
2 A" |' ^; V7 v* { {8 u4 J pokeVariant[1].bstrVal = itemStr;
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' W7 h2 F# F' E% j! o! d% P topicStr = SysAllocString((WCHAR *) L"system");! d! K1 D$ N3 c$ Q' P8 p$ W
VariantInit(&pokeVariant[2]);
8 t4 u$ O6 d5 L4 ^, K pokeVariant[2].vt = VT_BSTR;
. ~3 v$ l8 ~. _ pokeVariant[2].bstrVal = topicStr;
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1 o, a+ k; |1 a9 t. N// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
9 h$ \' G7 n, [0 f( f1 \ dp.cArgs = 3;
) \ I3 p7 c) @; c; p$ t/ f; S1 Y dp.rgdispidNamedArgs = NULL;0 B1 [- v7 T1 k- E
dp.cNamedArgs = 0;
( g1 R4 t4 k) w
9 h( p/ M) n* t/ U8 b- t( r// Call IDispatch::Invoke()! n1 a$ G0 J. L7 ]/ X" Z
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hr = m_pDisp->Invoke(
+ O5 h4 Y) }) B8 M pokeID,
& F2 H2 U% N, Y8 h4 y8 n6 | IID_NULL,, v8 v+ H% Q9 a# ?* h5 M. T# B
LOCALE_SYSTEM_DEFAULT,
+ R+ x: C6 p/ k6 n DISPATCH_METHOD,
0 X4 q, U, Z) G5 W &dp,
6 v. ?! n+ {( K1 f NULL,6 e& Q$ ~4 v# m3 Y5 Z) u4 p
&ei,
, A2 a3 G4 }* k. r6 d &uiErr);' \' B N, X6 |0 N9 D' j/ j1 y
0 T* U1 Y+ G) @6 k8 O/ b SysFreeString(topicStr);( r2 t5 E: i$ i
SysFreeString(itemStr);
2 p$ `7 |3 i$ V4 I, U SysFreeString(valueStr);
+ ^4 }6 [) b( k4 C* f: Q7 ^2 W
2 e$ }4 }9 r u; n p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???
9 t( E8 P+ e' D5 h& A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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3 B8 i! V) A, {2.这是request的程序
0 v! e$ l \4 |, Z! _// Request a value from Extend
9 f1 g& x1 |, x$ l//
; V& i* u3 c; P1 }2 b$ Q( H// Initialize the variant that will hold the BSTR. Set the variant's/ g! K. X! G" k& w v- P; H
// type flag to indicate the fact that this variant holds a BSTR. Place the' B4 v: ~ d% i. [2 ^
// BSTR into the variant structure.9 R8 w6 Q$ n s& z/ o. Y8 O
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");5 h' F2 Y1 ]( e; e& q' T+ X5 N* i
VariantInit(&requestVariant[0]); 8 m: z" d8 r! l
requestVariant[0].vt = VT_BSTR;- ]# D" _, R+ [0 y3 T& Z$ B
requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system"); [0 ^' ]. d* ^
VariantInit(&requestVariant[1]); P! A8 q" |. ~8 [- D: [7 u w# t
requestVariant[1].vt = VT_BSTR;& b3 F0 x6 n5 R
requestVariant[1].bstrVal = topicStr;0 _. @9 }. t7 f+ ^
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// Set the DISPPARAMS structure that holds the variant.
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; ?' K4 `7 b2 g; S2 E dp2.rgvarg = requestVariant;/ A2 X p# Y4 j9 E( G' Y; R
dp2.cArgs = 2;" E W* ~! F* s- X& w6 Z- m
dp2.rgdispidNamedArgs = NULL;
' M( r4 z9 H% M dp2.cNamedArgs = 0;
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2 j' n8 ~# y3 G5 U) E% [; Z5 R+ o var.vt = VT_EMPTY;
+ k5 k S1 f7 z, `5 J
+ ^, h3 R, S( w// Call IDispatch::Invoke(); I/ q1 p; ~& C h# }4 P; w
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hr = m_pDisp->Invoke(
) ]' U3 \ E$ k- I; R/ v5 S requestID,5 K+ I/ e) P; X1 Z4 ]+ o1 j
IID_NULL,( G* ~, G. e. q. k5 @
LOCALE_SYSTEM_DEFAULT,. l$ f. F1 b9 a& J% c- x
DISPATCH_METHOD,
% K" o& h; c- _ &dp2,
, c3 @) ~5 J! G# Q( ^" Y7 Z- Z &var,
% P. [) u" M0 C. w0 o" H &ei,! ]" [- z9 i& ?; y, n
&uiErr);8 i+ l( G6 d7 e5 w& R+ O
3 O5 A: S5 H4 B* i SysFreeString(topicStr);
F2 q) C1 w& l: G SysFreeString(itemStr);
2 [6 R$ u) ]) I0 R1 w请问该程序是获得extend里面的哪个值?
I* y- y W( j! I% h3 O: [. D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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