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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:" o" x: Z3 A3 A, k) }; N3 D
Name = (WCHAR *) L"Poke";9 u- o4 `% H& E% b) C! X6 V1 s3 p$ R2 ~
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hr = m_pDisp->GetIDsOfNames (0 t$ m5 R8 s! q& l/ `4 w( {4 ^
IID_NULL, // reserved
# D% `) q! t4 o. }* J" o &Name, // Array of names to get IDs for
, R5 F( ~" p; M/ C8 v/ h( M 1, // # of names in the array
+ I# Q) ]2 K: E0 T LOCALE_SYSTEM_DEFAULT, // System locale8 s9 _ V7 q5 b8 Q/ O
&pokeID); // Array of IDs to fill on output: ?1 L2 v( t' F& A5 _# V
. ]6 K4 g$ L- ]& W% i9 x if (hr)
% ^0 I; {8 O% V! @' ?, ] {
' M. {8 n" j$ h/ q9 k9 p3 ? MessageBox ("Get Poke Unsuccessful");
& I- m; J0 S7 t+ W. q$ p return;* V4 L# y' m* z) Y/ J
}
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1 v0 m; a" L. v& i9 l) |# [/**************************传递数据给extend**************************************/5 V. p! l) w) A8 h" O: R& O
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");
' n1 _# ~: \ F0 r VariantInit(&pokeVariant[0]);
, }, G1 V2 A8 F3 _- G$ y3 G% ^ pokeVariant[0].vt = VT_BSTR;0 M1 A7 F' G [4 s) V
pokeVariant[0].bstrVal = valueStr;
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J" l* \/ i+ } itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); O# n6 Y2 N- f( c' l
VariantInit(&pokeVariant[1]);
0 H4 {) P- i7 W: F8 ]/ Y R pokeVariant[1].vt = VT_BSTR;8 L7 L1 N# e/ E6 U
pokeVariant[1].bstrVal = itemStr;
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5 d9 v, b& n1 y. Z topicStr = SysAllocString((WCHAR *) L"system");3 ^- D0 U, C3 W8 ~" Z
VariantInit(&pokeVariant[2]);
# L7 t" M- z' V/ q2 v pokeVariant[2].vt = VT_BSTR;; `# x1 d: O5 d+ U# t/ [# Q5 g* }
pokeVariant[2].bstrVal = topicStr;: } u. e: \) ~! d! P; s) @5 d
8 o o& \1 m% Y- w. v9 Q; J// Set the DISPPARAMS structure that holds the variant.% G- A6 ?. [1 O3 ^$ h2 ]" H
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dp.rgvarg = pokeVariant;/ q2 V2 `5 v7 T2 J' Y {* i# T+ |7 o
dp.cArgs = 3;: p0 T% B# e) o% M H- f' J
dp.rgdispidNamedArgs = NULL;+ s2 j: M# E5 U* L3 x
dp.cNamedArgs = 0;
! _; w/ ^) d; {# ]& u5 R1 D
* `' C7 o& e8 w( |4 o1 f8 [// Call IDispatch::Invoke()! A* H) Q8 F/ ~) W4 [
1 F2 [1 S( I$ C0 Q) y hr = m_pDisp->Invoke(1 I8 k; Z: M; T8 J- x' v, S: V
pokeID,) ?5 ~% S! O9 O* W6 ~: k
IID_NULL,
e$ o. x$ {9 }% _& K/ F$ D! k LOCALE_SYSTEM_DEFAULT,% @: H# h, y8 \; X
DISPATCH_METHOD," J7 o0 d( _) P1 q8 A
&dp,
7 j( d! C3 j) U1 ^0 L, U/ g5 y0 A6 u NULL,
3 G g( L% L+ B6 l4 T6 ^ &ei,
) e; e9 G, C. K% j% R &uiErr);) q. [ G" U; |/ w P8 k" l
# j* f; O8 R. G" `: f! O" x SysFreeString(topicStr);' T0 y3 a. W. c. d1 W
SysFreeString(itemStr);" _# A- j K `9 [5 n5 M2 C% h
SysFreeString(valueStr);
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% H4 H' t: w: Z7 ]* @+ N8 d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???, ]% x/ ~% n' ]4 s8 O0 X" h: D; c$ |! r5 U
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????3 R2 U5 L _: I5 ^" {6 K' `
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" N3 a; w, X0 f9 a% l# ^2.这是request的程序
- M! d) o% q1 I1 [// Request a value from Extend7 q" ^6 `7 `' Y, q/ X% y
//- t+ s& w! _$ r/ z
// Initialize the variant that will hold the BSTR. Set the variant's
2 S' R, I, K0 t+ g! o2 O! V+ h2 V// type flag to indicate the fact that this variant holds a BSTR. Place the
9 }+ O* |& s8 Y; F6 I k* j// BSTR into the variant structure.8 L1 R4 x+ ^* H" e9 @8 o
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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5 K+ ~! j5 e0 @ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
- h6 s/ R+ q2 d' O8 s VariantInit(&requestVariant[0]);
4 I" V& x/ n/ d7 g6 v( m7 V requestVariant[0].vt = VT_BSTR;
, E% q3 @0 V0 t; B6 k) _ requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");3 y8 A+ x5 L5 f! t6 N
VariantInit(&requestVariant[1]);
: D' H; Z7 }% G7 V requestVariant[1].vt = VT_BSTR;+ R) S5 P/ Q# q+ x6 ^( V
requestVariant[1].bstrVal = topicStr;1 {! i ]# @" k8 {; A, r
0 R. W* T' y. }! c0 [" s% l. |// Set the DISPPARAMS structure that holds the variant.* L- `$ X4 m' j- {3 n0 L
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dp2.rgvarg = requestVariant;
& z$ s' W& w) ^( Y dp2.cArgs = 2;
+ V7 N3 c5 W) ]6 G! c) s; |6 ~ dp2.rgdispidNamedArgs = NULL;! X: x, F+ V% d1 F
dp2.cNamedArgs = 0;
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! v, G6 `# h/ J" f" o3 I5 g" d var.vt = VT_EMPTY;
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2 Q3 T: i9 }( W, l// Call IDispatch::Invoke()& L7 V# t3 G, J6 ]) U8 s/ ?8 {
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hr = m_pDisp->Invoke(9 O6 Z/ ~: t. ]. ^9 s! s% S
requestID,! X8 D; p7 v3 {' l
IID_NULL,/ z4 U+ M- R5 I9 e, M
LOCALE_SYSTEM_DEFAULT,2 f% T5 v% y' x7 ?5 z
DISPATCH_METHOD,+ z( Y3 W) h& ?
&dp2,
* s) _3 e1 @2 ?& g7 @: a* K( [ &var,
; ^8 C& }5 N d1 ` &ei,
4 V6 w, w7 C$ [2 n2 k8 z! E% Z2 w &uiErr);
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SysFreeString(topicStr);
$ m; |) U) V! T SysFreeString(itemStr);
6 F! S6 K0 c( d/ T0 o7 u1 ^请问该程序是获得extend里面的哪个值?
% H$ p, p+ L/ v8 k, {5 b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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