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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:
4 J7 h) u r/ g& A3 h( ZName = (WCHAR *) L"Poke";
$ t2 Z% r- q5 {. P! l4 { # z1 l" }$ d& M" Y0 A" l
hr = m_pDisp->GetIDsOfNames (; l' e. O, n+ L! D0 d$ Q1 m7 `
IID_NULL, // reserved
5 q6 A; K% S. [3 w6 q2 E &Name, // Array of names to get IDs for
3 O" Y) l8 W0 q5 } 1, // # of names in the array
' L- J0 ]) v8 Z/ R LOCALE_SYSTEM_DEFAULT, // System locale* s, ]7 @+ [- ~# [: ^4 i& y. t
&pokeID); // Array of IDs to fill on output/ n! {4 V C, Z: I! K6 ^: ^
, `: N/ ]* \# P& l* z( Y& z
if (hr)
+ C0 c1 b! Y/ Q* R {
' b2 l4 u$ E& l8 ~7 ^& x6 O MessageBox ("Get Poke Unsuccessful");
4 R5 J' K& N% X return;
1 q, ?$ z) m, i8 F7 M" q }
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/**************************传递数据给extend**************************************/# v8 `8 K# R7 D. \/ j
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);5 P6 ?# S9 S2 o& U- Q @
2 S$ s/ }2 S. n6 c valueStr = SysAllocString((WCHAR *) L"1232");7 w" q' b9 ^7 y3 q2 K h9 K3 _: B
VariantInit(&pokeVariant[0]);
8 S) W" Q6 p, t+ R! J# s pokeVariant[0].vt = VT_BSTR;
2 Z8 m! h5 O. u9 P" {9 [ pokeVariant[0].bstrVal = valueStr;9 A d* f6 V$ L. {) y( z6 X# e
; [$ R$ `8 J( r* S& h7 ^
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
- n. E5 S- k. ^; m' ?1 G3 i VariantInit(&pokeVariant[1]);
4 a2 E7 h$ {1 F% g; T+ r& i pokeVariant[1].vt = VT_BSTR;
' b$ D6 F5 V& F' x' n8 p pokeVariant[1].bstrVal = itemStr;
2 j- Z+ u: ?* R- I$ q- B( Y8 S) f* C& ^$ k" r- n4 y9 s
topicStr = SysAllocString((WCHAR *) L"system");& R( w t0 x0 l" R& J/ l; D5 f
VariantInit(&pokeVariant[2]);
$ L: X! E, U% { pokeVariant[2].vt = VT_BSTR;( B3 d; c+ d) o/ e* V
pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
; H) r. A- B; q7 a6 W5 W6 a2 h
; D4 m3 X/ [- H. }1 K! F- c dp.rgvarg = pokeVariant;0 b% H: a7 {% c; R: A
dp.cArgs = 3;
. e! p. f5 v: l dp.rgdispidNamedArgs = NULL;3 u% e5 u8 ^4 D) H, `& l- h
dp.cNamedArgs = 0;6 a/ _4 s |# i& A' L9 N
# x! n: q Z& W// Call IDispatch::Invoke()
; N Z3 n. m0 I4 T$ |8 @
5 g* u! r3 M% A4 M" N+ [ hr = m_pDisp->Invoke(
& l1 i; `7 y6 @( V pokeID,
0 b! w4 ~& A$ _. v IID_NULL,% o$ _, D4 e0 z+ ?& Q( x- ?) g% S
LOCALE_SYSTEM_DEFAULT,
9 O( g) \/ R2 Q, N7 d DISPATCH_METHOD,7 u9 }: c: i& b+ ]
&dp,2 ^9 b3 }% L) O' }' \( s1 g7 ~
NULL,+ U& X, M# o( r+ w" A
&ei,( u# d+ C, ], y$ z8 l3 v" B
&uiErr);" U) t8 [" Z& X- j
0 N: z# \& `3 p! ^* D+ e7 ]# N- q SysFreeString(topicStr);
, M* @- Q C; D0 f SysFreeString(itemStr);
! X. A1 e& L" Z SysFreeString(valueStr);
( M( n" p. h2 X3 o7 ?* s% M; }5 D$ j, K" ~2 G; ^
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???; V. D1 c; b% p K- b& m
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????) \& G4 T" @) x ~
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0 p+ o6 a5 u- K2.这是request的程序
+ i8 L. d0 Q* y! R, G// Request a value from Extend
+ B. o4 R& ]7 r; c//
/ ^+ Y6 g: }/ `// Initialize the variant that will hold the BSTR. Set the variant's
3 i2 O; L4 M3 T& J8 l' e// type flag to indicate the fact that this variant holds a BSTR. Place the
! H* a2 h% ]- N. R3 Q6 I// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
* k: W! E$ d4 z5 V9 r7 ~* G
3 H: U: @' t& D d/ ~ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");* M b! i: n4 ?& f
VariantInit(&requestVariant[0]); & \5 ^* |: J7 M; J, D+ ?3 C
requestVariant[0].vt = VT_BSTR;
% T; a7 B$ L% p8 P' P7 f requestVariant[0].bstrVal = itemStr;
/ ^6 J* L7 f+ H, L- L
0 z: P0 g6 e# v- k5 j- ~ topicStr = SysAllocString((WCHAR *) L"system");
) ? K$ b8 @+ v9 T VariantInit(&requestVariant[1]); / K; {. v! e7 _, b, B9 U
requestVariant[1].vt = VT_BSTR;$ B) F0 T; S9 f9 K k0 W
requestVariant[1].bstrVal = topicStr;5 y! _7 `; B, R% u8 P3 n: k
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// Set the DISPPARAMS structure that holds the variant.
/ N" [, c1 Y( D# {( V. _! B- t9 n5 x, I9 W( }/ L9 e& g3 ~
dp2.rgvarg = requestVariant;
& x1 F, L, J3 v" Z9 G9 Y8 h dp2.cArgs = 2;* k% X$ y: u- Q5 m
dp2.rgdispidNamedArgs = NULL;
7 s+ s& Q. |5 z" g7 i dp2.cNamedArgs = 0;
8 E2 L* O( E: p# B8 t9 g" k$ J
, o' F% K9 W2 g7 n: w var.vt = VT_EMPTY;
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$ B8 \4 a S" I4 {9 i8 U// Call IDispatch::Invoke()
/ p3 v1 S. P/ M8 [
" t( S4 k% i" Q5 g4 ~( z hr = m_pDisp->Invoke(1 V8 N* @2 y4 Q; u7 q
requestID,
/ {" n& l& R! K+ h P- h9 T) Z+ w IID_NULL,, G0 V4 q5 q* K
LOCALE_SYSTEM_DEFAULT,: _" }" w5 R% K6 L f3 p$ P
DISPATCH_METHOD,2 Q1 k# c1 G: B, Z7 s$ l/ g) I
&dp2,
9 |3 F6 v; k& w; ` m- j* Z &var,! d$ l! v0 e5 s2 b% p# O' g
&ei,
& Z2 I0 k% n4 {3 N &uiErr);5 N# ]. w! }2 x8 ^0 D
: M! s3 m/ Y" M& U F; h SysFreeString(topicStr);
" F! L' L$ z: v5 b0 ]* O0 ~ SysFreeString(itemStr);
( i# W6 |* Y, v请问该程序是获得extend里面的哪个值?/ [/ V! M1 I" P, R: o' D$ t' @
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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