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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:
& E( m J3 T$ u& m9 C& YName = (WCHAR *) L"Poke";# C. n- F3 Q' U0 Z- o
. V% |0 {& v' \# e" w9 V' i! a hr = m_pDisp->GetIDsOfNames (
, y& x" Z" |) c8 M: g$ j* G IID_NULL, // reserved6 [8 h4 s# f. H5 e1 C5 z
&Name, // Array of names to get IDs for) Y8 ~$ A+ e- w. g
1, // # of names in the array/ W/ K* _4 n% [+ a" C
LOCALE_SYSTEM_DEFAULT, // System locale6 `* G3 H1 l- A: K
&pokeID); // Array of IDs to fill on output( f( R) G6 {/ e2 v0 y
' k8 e! F2 ?- d( \3 @0 z
if (hr)! o) _# _4 X$ H U* H& s
{) p" X+ t+ g7 B
MessageBox ("Get Poke Unsuccessful");$ R, p9 A e' t8 R
return;1 `; H0 A, i# b9 P! Y! p* S8 t
}
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/**************************传递数据给extend**************************************/
7 W: T1 g. O6 f3 H2 H. k9 f4 W pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
: g+ T4 M0 h K4 w. ~5 ^ * }. M6 q5 }9 m7 l# ]) K8 x8 A" T9 H
valueStr = SysAllocString((WCHAR *) L"1232");
& v1 |+ k4 |% w! t! B, J& { VariantInit(&pokeVariant[0]);
* @$ T8 S' P8 W1 s& p* \9 D* X/ b pokeVariant[0].vt = VT_BSTR;5 L7 C$ o6 Y c5 ~% l% d1 ?
pokeVariant[0].bstrVal = valueStr;
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! @& v! p/ h' O7 U6 F$ p itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");) F+ `7 c1 V( [8 U4 o d; y
VariantInit(&pokeVariant[1]); : _1 t7 i: H$ e+ \ L2 G
pokeVariant[1].vt = VT_BSTR;# b1 ]2 d4 ]; I4 S/ Z
pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");9 H1 @& d1 g% B8 k8 Y7 ^. M
VariantInit(&pokeVariant[2]); , e6 X, O9 v4 T, v7 M% P
pokeVariant[2].vt = VT_BSTR;
% ~- S. r4 D3 F5 F pokeVariant[2].bstrVal = topicStr;
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8 {4 D$ e+ d: H1 W: ^* K! M// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;1 c5 C Y! N# F6 W2 I+ C
dp.cArgs = 3;
3 J- d$ K( ]- m: {( a0 j \ dp.rgdispidNamedArgs = NULL;
& K" s8 ~# }# v6 W) {9 J3 h) i9 y dp.cNamedArgs = 0;
* z1 U* Q9 t" f- t) o2 k) \0 o- M! ^1 D/ G r% }8 t4 A6 R) R
// Call IDispatch::Invoke()/ B+ T/ _" f: g" Z; C, x
4 L4 H4 ?: K$ @) |9 n hr = m_pDisp->Invoke($ e" |/ C9 H7 [9 S1 Y' a2 Y& W
pokeID,
% N Y$ ~* k! E9 s9 ? IID_NULL,
& C+ h. Y6 `/ p2 w% @, a% \: J LOCALE_SYSTEM_DEFAULT,
3 X; l$ p& _, T; N) Y. T" @2 j' U DISPATCH_METHOD,, Z# m" a& F6 v4 I+ i5 s
&dp,- B+ L; O, O6 f. V3 z8 d
NULL, s' R& B5 Y9 t2 B+ N! G
&ei,$ ~, E. P% h) @0 R g7 X, n
&uiErr);
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SysFreeString(topicStr);
4 K( m/ B; p2 ~- A. @ SysFreeString(itemStr);* s; |, T1 Z h
SysFreeString(valueStr);
; i3 W1 m+ L2 |1 f1 J/ X# ^' Y! V4 R5 H4 y
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???- A! B6 ?; \" W" w! E2 k3 M+ v
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????4 i0 y$ f# H6 S& K, {
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! V. m2 h6 x( d: b2.这是request的程序/ e$ c& z% O; z. ?' b3 w
// Request a value from Extend
2 r$ P2 ~! n- D, j& j//
& e. r1 Y) s) p& b% y4 {// Initialize the variant that will hold the BSTR. Set the variant's; O7 ~5 H, B8 B( g7 o
// type flag to indicate the fact that this variant holds a BSTR. Place the
/ l: I0 Y( S7 j// BSTR into the variant structure.! [0 J! q. y Q }: r M; J* q
+ U) w, r8 _6 s! J, e
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);& H% v @) v+ `0 C% e o* x+ Z
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");% j9 M4 R! q/ O8 k0 m
VariantInit(&requestVariant[0]); 2 Q: |/ o- Y9 R D8 z# u s" z
requestVariant[0].vt = VT_BSTR;2 A6 {$ L' c5 P# J9 {+ K
requestVariant[0].bstrVal = itemStr;2 y, [- N+ h& Z6 V( }+ m6 m6 f
; U# Y9 o4 |% l5 x- {
topicStr = SysAllocString((WCHAR *) L"system");
0 d2 p/ l1 ?8 c1 U- n {- u VariantInit(&requestVariant[1]); 8 u7 [& n* h" ]4 v$ ~: m y, A; Y0 S( |
requestVariant[1].vt = VT_BSTR; m* t. {; V$ ^
requestVariant[1].bstrVal = topicStr; i6 ?& H- ]. X; w5 g' P( c' }
7 {) n$ y0 `8 `; i' s+ F% @
// Set the DISPPARAMS structure that holds the variant.
3 v% X- ^. n, d
4 z- E; \7 I( ^' h M6 T1 Q dp2.rgvarg = requestVariant;
. R$ Q( W) h) N) H/ f, P dp2.cArgs = 2;) x, A) Y$ W. H1 Z1 G# b
dp2.rgdispidNamedArgs = NULL;* E- k7 i6 G/ G
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()6 u3 N1 v3 U! j- q2 j# A9 P: {
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hr = m_pDisp->Invoke(
P! P, c6 o. b# i# F5 r, ` requestID,* W+ Y) Q, ` R0 O' h
IID_NULL,9 O6 V8 E5 W. P) h: g0 I
LOCALE_SYSTEM_DEFAULT,' Z( k# P, |/ t$ [) h
DISPATCH_METHOD,) }) n# l$ n0 R6 H0 _7 F2 M7 @1 l
&dp2,
5 w( S' [6 ^7 v, m" E &var,' p& [! A$ |- q( r, ~3 A
&ei,) _5 {9 b$ X6 I' u; l) W2 w
&uiErr);0 |) X8 u4 i# p) c4 m
* b$ g1 F( I; o V3 i; K
SysFreeString(topicStr);
6 H, M2 {% F" X% n9 S' X- k SysFreeString(itemStr);
/ V2 d: m* A5 u% m u; i& ?请问该程序是获得extend里面的哪个值?. M& V, i e; w ?' F5 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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