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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:
/ C! o8 V! X' Y6 n4 l/ M T$ FName = (WCHAR *) L"Poke";
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+ s( p$ O8 f0 Z5 \# E hr = m_pDisp->GetIDsOfNames (
4 f( p; d% g( H' m2 Y& k IID_NULL, // reserved
, m$ y9 C, A7 t6 d: z &Name, // Array of names to get IDs for
+ E) P% E$ h4 N5 T 1, // # of names in the array* T/ [; M/ Z0 q- r0 }
LOCALE_SYSTEM_DEFAULT, // System locale
0 P6 P- y- ~: K0 M0 H5 Y! h0 D$ T* ~ &pokeID); // Array of IDs to fill on output
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if (hr)
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MessageBox ("Get Poke Unsuccessful");
7 A; Z3 ` s: B2 \8 H return;4 M( i! Q; K! i- K: x, Z
}
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/**************************传递数据给extend**************************************/) m; O3 G z8 }
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
* Z$ Y+ W1 b* ~/ w. l . R( K1 ]9 J$ L+ o* F& u
valueStr = SysAllocString((WCHAR *) L"1232");- L4 u. s, ^) |6 B; c
VariantInit(&pokeVariant[0]); / n1 [' @' [" |2 s/ @. Q
pokeVariant[0].vt = VT_BSTR;
$ L2 e; A8 A: D% Q8 j5 R pokeVariant[0].bstrVal = valueStr;/ v, a) O- k: Z* P6 F+ {& [' ~
# y" O5 g: |3 Y" l. |3 D+ Y itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");$ d: d3 U B/ C5 {+ v6 m- Z
VariantInit(&pokeVariant[1]); : z8 I7 A I/ ^/ S
pokeVariant[1].vt = VT_BSTR;/ u; W o% `' L* w! i
pokeVariant[1].bstrVal = itemStr;
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& {$ y# ]% V3 c; ?3 y* l& {6 ? topicStr = SysAllocString((WCHAR *) L"system");4 k" S. _, _! [1 E6 P
VariantInit(&pokeVariant[2]); 7 d$ T5 v( [8 m6 B
pokeVariant[2].vt = VT_BSTR;& M4 Z- `! e, ]# M% e0 A+ @, ]
pokeVariant[2].bstrVal = topicStr;) C {: b" [/ ^* B9 o5 L! c
% C/ t* [" L0 j7 O! o! j) v, V// Set the DISPPARAMS structure that holds the variant.
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" k! y, S, V: e5 k. ^' M dp.rgvarg = pokeVariant;. ?/ E/ M$ [* M# U( z- G, O" c
dp.cArgs = 3;; E9 L' \( o) |) U$ d( q( I/ Y
dp.rgdispidNamedArgs = NULL;' R, P0 E- v) j! G
dp.cNamedArgs = 0;8 t7 @+ S4 I, e |% {/ N
% Y; O. S' P2 `9 \# V: {9 o// Call IDispatch::Invoke()% p9 h& a# p% K. v1 _- S+ p
# E- i1 K- y& H. q5 @9 ^4 T0 ^ hr = m_pDisp->Invoke(% X! L6 j0 J+ T: [
pokeID," e! w6 E+ S+ W9 M( R
IID_NULL,
; o4 E3 @$ v' `: r LOCALE_SYSTEM_DEFAULT,
' B' v- v+ {- S% h, _# z [! N& }. i DISPATCH_METHOD,
7 r3 {+ W' d* {. o( ^ &dp,
* H+ D2 A4 y5 E4 x$ k" Y/ L NULL,: m8 W' C/ B2 g q
&ei,
3 F2 }! ^0 e( q6 A &uiErr);
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SysFreeString(topicStr);
" x% g4 T, X6 V8 e5 b N- S; d SysFreeString(itemStr);
6 s' S1 `4 o/ e- o( e SysFreeString(valueStr);4 W; c# H7 ] q# Q1 u
- ]4 N( e. a. b6 F0 f. {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???
, K K0 W2 R: i4 J+ c* F0 m( i* A( j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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2.这是request的程序
1 V7 z( q1 j. N* {* Z6 E2 i3 n// Request a value from Extend8 g1 k2 t5 u- [' G5 K
//, u) J' H, r: }. W, n$ H/ ]: K
// Initialize the variant that will hold the BSTR. Set the variant's& c9 l. p% b( W7 K1 B# O* {
// type flag to indicate the fact that this variant holds a BSTR. Place the
5 l, J. i# ?, W8 M% s- |// BSTR into the variant structure.$ D2 e$ H) K( ~
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);* v7 \ P8 ?, @: G5 j
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
, n3 d. U9 X4 {% G" q9 j VariantInit(&requestVariant[0]);
L4 u0 S5 p9 m$ @3 P) R requestVariant[0].vt = VT_BSTR;; ~8 u J7 D7 h% t# P) Y
requestVariant[0].bstrVal = itemStr;
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0 u' X; I4 p1 j. W topicStr = SysAllocString((WCHAR *) L"system");
/ L9 J; g {5 W# ^- Y VariantInit(&requestVariant[1]);
3 c/ J* f! E- `0 o/ v6 c requestVariant[1].vt = VT_BSTR;. n& s }, j% m& ]* M. m7 x3 m
requestVariant[1].bstrVal = topicStr;7 I$ R* w% i3 Z4 j2 Y
3 s0 A5 W; H; Z9 m// Set the DISPPARAMS structure that holds the variant.% d5 H" S7 w/ h0 Z$ ]7 i* |) R, _
$ {) l" O5 J- {$ d4 B! b( \" {. H( a dp2.rgvarg = requestVariant;
: K; C5 i; i" \" E dp2.cArgs = 2;
# H. b/ k+ |9 D$ M2 q- h dp2.rgdispidNamedArgs = NULL;5 u ?0 E) v, i
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;& x; j! {& K) |; d' Y
p: ^* d2 A1 |( }7 ~// Call IDispatch::Invoke()0 j" l- I( ]' [( T2 k
, |; }8 V4 Q* a; I8 T: U T hr = m_pDisp->Invoke(9 M& I5 Y4 c& g& g9 z& G8 G) H, O
requestID,
l$ @( ?2 h* X3 ]* _0 } h' t IID_NULL,
- Z9 X3 `( `- W6 E8 t( L. k LOCALE_SYSTEM_DEFAULT,
' d1 g( p$ h% x" `; P# M$ ?: R9 m _8 t. m DISPATCH_METHOD,# Y+ q$ K/ a' a# i2 A
&dp2,- w* D/ r9 a* [" L
&var,
# o0 E! D% l% q" r9 i& h &ei,
- t4 [$ i$ C& f# ]% S3 T &uiErr);' N( T9 |, P% |8 o
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SysFreeString(topicStr);
; }0 m* m$ P! y& t+ Z SysFreeString(itemStr);1 ?( B1 w0 _: Z/ y
请问该程序是获得extend里面的哪个值?* s d$ a6 j: o/ \
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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