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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:
6 U; w8 b3 a% D8 v( aName = (WCHAR *) L"Poke";' v3 Y: T) l+ |8 r( E3 b2 C9 y
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hr = m_pDisp->GetIDsOfNames (# F# J& E! {# ~7 H/ F( a' y' h
IID_NULL, // reserved7 u+ }+ b6 D+ _( |
&Name, // Array of names to get IDs for; @6 l7 F& c; U- ?
1, // # of names in the array, o' G. k# f0 h8 O+ n
LOCALE_SYSTEM_DEFAULT, // System locale
7 U3 a! g* L1 f- | &pokeID); // Array of IDs to fill on output3 w( G) l2 g, D9 D/ K6 F" `
) O+ f+ o n& {% E# q# w7 w @ if (hr)
: c- V% Y) ]4 C& G {
- K' V. o! N- X/ F3 O5 c0 G! I MessageBox ("Get Poke Unsuccessful");
. }: d; K& E1 s. \! M3 R return;
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% Z; u% V& j. j/ I/**************************传递数据给extend**************************************/, |0 F! K* J; e7 o
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");3 p) g$ w( r k9 u8 p" [
VariantInit(&pokeVariant[0]);
W8 D/ {+ I) M pokeVariant[0].vt = VT_BSTR;
; k6 m x! m: z: r) d# I) v1 K3 ^ h pokeVariant[0].bstrVal = valueStr;: |, ^5 U3 ~' U( {; n
m9 p7 [' b3 L
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");) g/ L& C- `" f7 [- B" ^
VariantInit(&pokeVariant[1]); 8 j, M/ X% [% Y* Z6 q, ?
pokeVariant[1].vt = VT_BSTR;! V& @2 N3 X' j) ~4 O
pokeVariant[1].bstrVal = itemStr;, O! x# l3 O" j% @! d( J4 B
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topicStr = SysAllocString((WCHAR *) L"system");
, T* O6 J0 @0 f1 ?$ D8 c VariantInit(&pokeVariant[2]);
8 ?$ J. [* a* ^7 ^ pokeVariant[2].vt = VT_BSTR;9 _& x' O. u; s
pokeVariant[2].bstrVal = topicStr;; W9 j( k- \. I/ n' o- v
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// Set the DISPPARAMS structure that holds the variant.- q- z" Z9 H# d( @$ M3 n+ \
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dp.rgvarg = pokeVariant;$ S3 g" ?3 j( }7 U- o9 e
dp.cArgs = 3;
: ]3 I9 j! s' ^. }4 Z0 C dp.rgdispidNamedArgs = NULL;* T v+ ~* V: i) m- @
dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()
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" Y. s" o: d8 X- l hr = m_pDisp->Invoke(
5 s2 w: b: f( g* ~, I# N- H pokeID,
7 P- ^% l+ _0 @' m# d& w IID_NULL,
. F6 }8 |) l/ L( H% R LOCALE_SYSTEM_DEFAULT,
5 r" Z* N, g7 u( M DISPATCH_METHOD,
! T: t1 v+ O6 x- k( b" c+ v4 C4 V1 C7 i &dp,# q2 W) u: M. ]# m
NULL,2 {5 {: X$ y. C: D9 _# n
&ei,
" n( v3 u' S; v# F/ Y; o &uiErr);
7 |+ Z! U$ X" y8 E/ O0 W7 [+ }% I6 l a' F5 `- V$ ^ O; `! |- Y, w
SysFreeString(topicStr);
7 |2 a7 `, ~3 a/ _) g SysFreeString(itemStr);
5 U' R8 B0 f6 S6 `9 x SysFreeString(valueStr);
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, A( J$ Q* L( ?0 z, V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???' ^% f) N) H7 ^- ^$ P- i. p
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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' `' D# h& E0 `! u3 o' f6 D2.这是request的程序, ]$ \, M3 t4 c! ?5 B" Y
// Request a value from Extend. ?6 b, d' T! S- w: O: Z8 z. {
//0 {, S, {+ T9 w, B+ _
// Initialize the variant that will hold the BSTR. Set the variant's
( ]) d; ?) {/ i// type flag to indicate the fact that this variant holds a BSTR. Place the
( q8 @4 L0 q7 u0 G; t- V* S) A6 z// BSTR into the variant structure.& k$ Z" `, ?# w" |
( K: C, b8 f( M7 [1 v' Z6 w4 m requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
( c5 Y E; X4 ^ VariantInit(&requestVariant[0]); ( w5 H! u2 I$ T0 {
requestVariant[0].vt = VT_BSTR;9 _8 d% g8 s& H) [5 U
requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");. r! J4 g- P: |( C5 B; n( c. H
VariantInit(&requestVariant[1]);
/ e5 M( W+ i/ P requestVariant[1].vt = VT_BSTR;
]: k* O# e# J, f1 G requestVariant[1].bstrVal = topicStr;
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* _8 u$ c% T' |1 @// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;
6 ~* o1 U9 b( E0 X dp2.cArgs = 2;# H I M* W4 W; o5 l
dp2.rgdispidNamedArgs = NULL;
! A% {! K: f3 C dp2.cNamedArgs = 0;- L- Y( |( B2 E' S+ }& m
9 q2 k6 {+ k O% L var.vt = VT_EMPTY;% l% o! S5 O1 k. b+ X, W
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// Call IDispatch::Invoke()) e$ I( j* B" m+ w
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hr = m_pDisp->Invoke(
" r3 d0 K0 D" M. | requestID,' h$ E) ?" |. O
IID_NULL,' f, ]3 @ K. l1 N: B8 p2 r: D
LOCALE_SYSTEM_DEFAULT,& r W0 Q$ d5 C( L" `5 ]+ Y3 K- q
DISPATCH_METHOD,4 D' d" V5 F) Q- M2 R. }8 X
&dp2,
" F6 f9 b7 h6 h) G- E8 m &var,
( x8 t6 V% A2 m7 F8 c# [ &ei,. G- U$ L* @$ d3 N
&uiErr);
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SysFreeString(topicStr);
; d& M6 q7 P7 i5 a SysFreeString(itemStr);
1 Z' W7 ?. }& L% ^请问该程序是获得extend里面的哪个值?4 c; G; a" G7 E! z
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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