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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:
! m+ Y; x" o* \/ t0 T' b, l6 aName = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (" K( T9 j6 N: ?2 Y& o/ e/ t. X* y# o
IID_NULL, // reserved
1 G1 `& {3 D( g: _ &Name, // Array of names to get IDs for
2 }: h( {2 _6 A. J 1, // # of names in the array7 r+ U: O p! Q( a5 U$ K
LOCALE_SYSTEM_DEFAULT, // System locale$ r/ W3 P1 u4 M' i
&pokeID); // Array of IDs to fill on output
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if (hr)% Z9 ?+ g4 g! X$ e7 _
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MessageBox ("Get Poke Unsuccessful");
& O9 Y3 E6 o+ t. d# J* N7 O) f return;. d: ?/ w( Z% u) ]- }
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. ?5 X) S; \, A- R7 s+ a9 f; \, B, a/**************************传递数据给extend**************************************/4 G$ H4 u" G: T2 V
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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( ]6 p. j, t) ?, {: k valueStr = SysAllocString((WCHAR *) L"1232");
8 j: s. P: C5 D; z" \6 x" ^& P5 b VariantInit(&pokeVariant[0]);
+ B% ^ P. w: A7 D; A: V# d8 V pokeVariant[0].vt = VT_BSTR;
- {! p+ O) t/ Q, f pokeVariant[0].bstrVal = valueStr;4 c. V! B3 g) o: Z) A# k" a
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");0 y/ b5 q8 y, _( z0 L/ F+ s9 O
VariantInit(&pokeVariant[1]);
$ @: k; B4 M c8 J) n* p6 K pokeVariant[1].vt = VT_BSTR;$ K+ K1 D; k3 O; r
pokeVariant[1].bstrVal = itemStr;- {; F4 C2 r; M" S! e8 D6 x( Q" Q; ^! |
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topicStr = SysAllocString((WCHAR *) L"system");
. w0 e* J) H8 V VariantInit(&pokeVariant[2]);
/ U' I8 d/ N6 |% J# _2 i pokeVariant[2].vt = VT_BSTR;/ ` X% }; V& U1 s: G
pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.6 e% i+ P& c( N- W
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dp.rgvarg = pokeVariant;8 W: j, v& u- v
dp.cArgs = 3;. W8 t1 v7 c* S# t' Y0 t+ W8 c
dp.rgdispidNamedArgs = NULL;# |7 a4 W* E/ _/ {
dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()
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( Z* c5 u" k w) H3 ?) s# h hr = m_pDisp->Invoke(* x0 F- c6 r) |6 ]3 s7 E
pokeID,- G+ _& G, B6 k0 h6 w: k3 X, a
IID_NULL,
4 g9 r4 t, m" `* b9 L0 S1 y LOCALE_SYSTEM_DEFAULT,. Z3 ~2 m. }; A a" j! y) B
DISPATCH_METHOD,
% \ Y6 Y+ o' V+ m &dp,' A* U! z) E; p& j7 u' s( x
NULL,6 D+ S# C8 Q" F( }
&ei,
# f- j0 _" U& |1 H1 A &uiErr);$ w2 N9 p& x0 G) _# v
4 [! Y) Q* X) b SysFreeString(topicStr);
* z) C6 m1 H+ b% x4 W- i SysFreeString(itemStr);
( Z0 P$ a6 M9 U" r SysFreeString(valueStr);
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' ]* G, r5 B# G. E; ~/ ~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???2 M+ l: `, v7 G* J6 S
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????( ]7 B; i6 u5 m8 d7 E# Q. J: Y: x
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2.这是request的程序
: w# p- S, z5 Y// Request a value from Extend% a. l2 W' t0 ^6 L7 L" ?' J3 B& K. ?% N
//0 d9 }0 R) `/ e# p
// Initialize the variant that will hold the BSTR. Set the variant's
3 E8 L7 r8 n) Q, G# u4 `3 L2 r# r// type flag to indicate the fact that this variant holds a BSTR. Place the7 z& y) {* L% B& W; w; r
// BSTR into the variant structure.- R. D( s4 N0 J2 L7 w: N
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
4 i3 m1 F _ }
) a! I7 w7 N7 k! A" C) u: Q1 x itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
: ^3 Q6 _7 f9 ~0 N VariantInit(&requestVariant[0]);
' H% l& P, | I8 p1 T$ V5 p requestVariant[0].vt = VT_BSTR;' W# X; i* V1 f3 H: k4 Q5 j
requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");7 \- l. q$ c2 S. [7 Z2 j1 g
VariantInit(&requestVariant[1]); 7 }4 j: V0 a) h+ t
requestVariant[1].vt = VT_BSTR;
/ ?) @7 ^& q4 c1 _5 B requestVariant[1].bstrVal = topicStr;5 n* J2 j( P; V0 A
, E% x8 J. F4 B# K5 V, W// Set the DISPPARAMS structure that holds the variant.
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t' t/ w: G4 }! Q9 @' F dp2.rgvarg = requestVariant;
$ s4 ?- u( z! e; g7 w+ X0 U dp2.cArgs = 2;
, v) v* J3 j B: @3 R dp2.rgdispidNamedArgs = NULL;3 n, i' C! ~1 t, R5 Y/ P+ x* r
dp2.cNamedArgs = 0;; K' s1 G! j7 X A% `4 d" a6 D) ^
0 T$ i0 ?' m; W% ^! ~" T var.vt = VT_EMPTY;' z; B% k: s _! G5 s _
6 x" j* Y+ g9 x) ]3 F. E// Call IDispatch::Invoke()
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' ^7 f0 R [. P+ N2 b; t! F hr = m_pDisp->Invoke(; b+ O, r; S+ K1 p5 ?% a. k: ]5 D
requestID,
) u/ n! d# n4 s# L IID_NULL,8 a* w9 j: D* L! l
LOCALE_SYSTEM_DEFAULT,
7 U, Y& F! X& r3 u- w DISPATCH_METHOD,4 M; N H7 b8 {& t$ U
&dp2,
) S7 A$ o* [' b. V1 ^0 e1 W &var," A! q2 [/ N* b, G
&ei,! _ H; O, {6 e8 p* J' @
&uiErr);' y4 Y* L9 [1 F% @$ |" R8 j- i
M R; ?2 F6 s- w/ J8 K' F SysFreeString(topicStr);2 k8 q" [5 w: M( O- ]& j# Q* i
SysFreeString(itemStr);2 O+ ~5 Y* D9 W5 }9 X: ~% k3 s
请问该程序是获得extend里面的哪个值?
* r- d+ ^# H. Y/ c7 H5 ~. U1 ^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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