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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:
^, | T4 r4 ~Name = (WCHAR *) L"Poke";
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6 r& y8 Z/ M6 j% W hr = m_pDisp->GetIDsOfNames (7 a! S2 L& C9 [% T9 m5 X
IID_NULL, // reserved
) l5 I3 f7 \6 |! Z/ K8 I3 n( J6 ~ &Name, // Array of names to get IDs for
# e1 h, X' X: d. J0 t- R' N 1, // # of names in the array4 M$ t/ _- E% e" S3 r9 F3 b8 J
LOCALE_SYSTEM_DEFAULT, // System locale
4 n2 {0 e& y) T0 j1 }% R) ?4 k &pokeID); // Array of IDs to fill on output
$ Q5 z) R+ f/ D' }: w+ W4 c
/ t& d# A1 s4 j* m if (hr). i- P/ e% W- b: g$ ~
{
4 g" X9 M; O% a) k MessageBox ("Get Poke Unsuccessful");% P/ K* r4 i9 ]9 r
return;
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% @1 g5 \+ g; s& D0 a/**************************传递数据给extend**************************************/
/ k7 x7 ]3 I" d& E+ w# ? pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);$ @4 ^( o# p6 h% A" W$ `
6 u$ `: a7 w7 d6 _5 H+ V valueStr = SysAllocString((WCHAR *) L"1232");% A; v: }% L+ T# D
VariantInit(&pokeVariant[0]); & F9 O; i9 t. U
pokeVariant[0].vt = VT_BSTR;) K$ s; U- S- m y
pokeVariant[0].bstrVal = valueStr;
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, v* H+ l' @0 D- N itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");7 c' A9 z& Y9 {! H8 G0 c& | {
VariantInit(&pokeVariant[1]); 0 |% P/ v n C1 r9 i- X
pokeVariant[1].vt = VT_BSTR;
& s! Q8 Q) H" @' U4 o pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");+ ^- R% T, e0 v) X4 J0 N
VariantInit(&pokeVariant[2]);
1 Z. v' O8 z/ K0 ^% d, p c pokeVariant[2].vt = VT_BSTR;# |! P2 ^5 s# p; u) `
pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.1 ?& j, V) w, ]! M- H; u# f; l
; v( n# a* y# F0 [4 [ dp.rgvarg = pokeVariant;
1 k. {! y, R3 j* v( Q dp.cArgs = 3;
8 D& f- F1 v$ Z1 M2 v dp.rgdispidNamedArgs = NULL;
& ]% N- A9 l7 C7 [4 u dp.cNamedArgs = 0;, M, U1 _2 @/ G" L
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
! e7 {& s# \# d pokeID,, m7 D; O) l" c9 u; _6 e5 t
IID_NULL,% R7 O4 V1 N* n% l4 }2 A
LOCALE_SYSTEM_DEFAULT,
4 X s- x5 u5 G/ c; [+ ]1 n DISPATCH_METHOD,
5 E! k8 D' _: y* a &dp,
& |) U- E2 E; t r9 S5 {; \4 F NULL,
) }& h% F$ d H) N7 a: }! { &ei,: y7 h0 Z& Z4 h. t3 n
&uiErr);
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' @ V* J' b5 V7 ~: C SysFreeString(topicStr);! W) P. o; j' O; d! U+ P0 O9 Z
SysFreeString(itemStr);
8 U2 D, Q' Z, m5 N SysFreeString(valueStr); h2 X7 q7 P, w; Y- q3 W
0 G U3 v6 q3 [ Q! o/ E5 f) U
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???! C0 Z5 o( H# m, y3 Y, k5 F' B' g
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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! Q& {. v Z5 a; v0 `* G2.这是request的程序* A. v6 R' a! O) w9 A
// Request a value from Extend
) f: {: _1 a& o5 v- K* o( q//
# V- a' X7 @& U! d# W// Initialize the variant that will hold the BSTR. Set the variant's
/ t9 g" F; R* R; c F" {// type flag to indicate the fact that this variant holds a BSTR. Place the
E0 k) t: I; f8 D* L// BSTR into the variant structure.& j8 `7 `4 o" e& t
. `: j- @% N+ U% U; _ requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);5 S- h0 N$ x( ~" U$ F# j
7 H. \ U* r+ K. _( M itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
$ H7 q ^! o. V- I+ I VariantInit(&requestVariant[0]); ! ^& [7 {3 o. e$ C$ X i- F; X
requestVariant[0].vt = VT_BSTR;9 D6 U4 P4 ~$ E* x7 _6 ?
requestVariant[0].bstrVal = itemStr;
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/ R$ B: x- f7 U5 B# Y topicStr = SysAllocString((WCHAR *) L"system");9 c$ ^3 a- A( }6 t6 ?
VariantInit(&requestVariant[1]); $ t; c! e0 @5 N& O
requestVariant[1].vt = VT_BSTR;
5 a: }2 R1 z* a/ F% J- e+ C requestVariant[1].bstrVal = topicStr;1 c) l2 L, {8 d5 z- U4 E
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// Set the DISPPARAMS structure that holds the variant.
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: n% d! h" i, ^- [+ S" x) h dp2.rgvarg = requestVariant;
2 P/ W; x8 \% F7 Z dp2.cArgs = 2;
) ]0 o! F* Z3 p6 J& n* | dp2.rgdispidNamedArgs = NULL;
* W* h; d4 y$ e# e- K2 Q5 P: \ dp2.cNamedArgs = 0;
. L) X5 n8 u% o4 y+ S/ d
3 Z2 \5 J& E n( Z1 u2 y0 a var.vt = VT_EMPTY;
' ]" ?% k# k' X
! w% F J$ l0 D// Call IDispatch::Invoke()
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5 f. ^& l/ X/ ?1 W& \. x hr = m_pDisp->Invoke(
! G. c- }4 K! Z) r2 a" m) s% W requestID,
& \) x0 k# L( g# z IID_NULL,
: g. }! J! S4 K8 Z1 E+ g LOCALE_SYSTEM_DEFAULT,' ^5 d. J/ R) i. K: O/ [
DISPATCH_METHOD,
# x# W O8 u" c5 Z% ^- f8 k &dp2,
+ E& k, A! w9 d8 o8 M &var,! T% S* W2 L/ q2 v& f) Y
&ei,% K. `7 p9 z/ ]" A/ O8 w
&uiErr);
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SysFreeString(topicStr);1 ?# U5 G, [3 @1 a0 `
SysFreeString(itemStr);: Z3 Y: _2 l9 T0 ?! C5 H
请问该程序是获得extend里面的哪个值?0 f( ]- ~" n! p+ y o1 w) {( k. h
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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