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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:
5 W) g' A0 I4 C) H0 \/ b* u# @Name = (WCHAR *) L"Poke";
4 W* ~% i8 O% u4 w2 B4 \9 I 1 B4 S8 b" n# l4 i6 s6 n( d% c
hr = m_pDisp->GetIDsOfNames (
+ U, O- w' W' _7 U IID_NULL, // reserved. r/ f6 q0 ?) g% J' S; w3 ?
&Name, // Array of names to get IDs for, Z1 T8 F! t, l
1, // # of names in the array. B- s, S5 |7 [8 U
LOCALE_SYSTEM_DEFAULT, // System locale; \2 M& _8 j! K# D& ]2 k
&pokeID); // Array of IDs to fill on output* {5 H: l6 F3 w0 r' F
- ~# R" I+ m' G8 r if (hr)2 Y2 _) k& U8 M0 {" D
{( w% R& l% {: z& {+ R3 N
MessageBox ("Get Poke Unsuccessful");
, ^; W/ Z- y- `* I' t% \* z return;3 b8 @7 }" ~6 X' J7 l" v5 R
}
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% O7 T+ `3 _, l" b9 ^0 T5 x# C/**************************传递数据给extend**************************************/
; o3 `5 p8 f: |8 @" P( }9 i pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");5 p, o( u& q% S, j
VariantInit(&pokeVariant[0]); 6 z4 U; x* G1 d) L" [, ]
pokeVariant[0].vt = VT_BSTR;+ x$ c, U' I& A
pokeVariant[0].bstrVal = valueStr;
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" ?( A- V( q/ r5 C0 Q& u) Z) f# g itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");( B4 k6 t# f- g6 O
VariantInit(&pokeVariant[1]);
' A3 Y6 p; j3 y4 |7 u6 {- x% R pokeVariant[1].vt = VT_BSTR;
7 H$ w2 T4 k/ N6 ]6 p& I pokeVariant[1].bstrVal = itemStr;7 h& S- N4 q$ S ~3 |; [/ @
. O$ v5 I9 ^% ~+ A" k$ q1 u. s( N topicStr = SysAllocString((WCHAR *) L"system");; O' Z* _% n, R
VariantInit(&pokeVariant[2]);
: U" H( E J: ] pokeVariant[2].vt = VT_BSTR;) ~& G0 c N1 `% ?$ `, U: A
pokeVariant[2].bstrVal = topicStr;. y; [1 y1 F4 w- i/ w, d
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// Set the DISPPARAMS structure that holds the variant.0 ^$ ?5 z8 y5 {* S0 f
, l' \/ ]+ M+ R6 _% R dp.rgvarg = pokeVariant;
3 y3 V, P7 c% A: c dp.cArgs = 3;
+ q8 e* |8 N3 V4 l dp.rgdispidNamedArgs = NULL;
( Z z8 c; |; b* f. u- j( m. r dp.cNamedArgs = 0; ~5 j) G) _4 B3 E8 S' V9 W7 d
; Y# [+ i- _% C- U/ n// Call IDispatch::Invoke()
) R* M3 t* Z6 a/ C; J/ n5 k/ u5 a! C' l+ [2 }9 a% H u
hr = m_pDisp->Invoke(
& g, a- k5 C; x+ r) a pokeID,8 e9 \2 M! c7 `, p
IID_NULL,8 v7 e+ J' S6 F5 v4 H8 }
LOCALE_SYSTEM_DEFAULT,% N% E; C5 E8 A9 k7 n3 h7 i
DISPATCH_METHOD, z, L% C+ A- b; E
&dp,1 G2 ?. @8 w' @7 j) b/ w
NULL,, v# h8 `' ^9 h6 P. Q0 @1 v
&ei,
. s4 l- b0 Q9 @2 H! B& ]& P &uiErr);
w' i h n6 }& _$ r8 i; K; Q3 h5 P. ]: l( z, J
SysFreeString(topicStr);
, V& d* e8 b$ p( i& S) [9 m" B SysFreeString(itemStr);
% Z% m0 b3 P4 ?! ?6 P. d2 {' P SysFreeString(valueStr);6 g* j3 k2 ~5 s8 S( h) a b
. q5 m9 d# T2 |* a( ^$ M) s0 C3 B' O
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???; ~* y& i6 Z. g* d
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 O, O' U5 w6 ]8 `$ ^7 a
) [" d) l7 J+ g9 l8 k
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2.这是request的程序
+ M0 l* A b* y9 G// Request a value from Extend
7 g! l/ E- `5 C" j//
: H y o! f* F8 B( v// Initialize the variant that will hold the BSTR. Set the variant's# j' y$ {' ^* Q4 t& \
// type flag to indicate the fact that this variant holds a BSTR. Place the
7 Z% f% i l- J7 K- |3 l// BSTR into the variant structure.2 L9 M( x4 B( {5 L2 |% ]
3 G8 l4 L; r; s5 y2 l3 v requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);$ g) t* j- }0 B3 X8 r* f
- S6 {* @4 I ?) i
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");2 y& B0 U6 M2 i+ U
VariantInit(&requestVariant[0]);
+ [$ [' d* P: d3 B2 [ requestVariant[0].vt = VT_BSTR;. b. m+ \9 J5 ]5 {) U7 X
requestVariant[0].bstrVal = itemStr;8 J( x' ~2 ]2 s/ {9 C# ~+ k
& E8 b* }; t# z" j+ C! V topicStr = SysAllocString((WCHAR *) L"system");
d4 k7 |" P: a; f. H. s$ R" K# l VariantInit(&requestVariant[1]);
F; t! o/ k- ?, D, j7 g) } requestVariant[1].vt = VT_BSTR;
8 K. V6 h) ?/ u% v9 L! w requestVariant[1].bstrVal = topicStr;3 O% E* j" D7 y
5 v% v+ r3 A; J9 z0 s& q- T// Set the DISPPARAMS structure that holds the variant.
6 N- u' H1 @, F% l! S
5 W) S L4 |; ] A3 N dp2.rgvarg = requestVariant;& j5 b8 d% S4 u/ d$ P
dp2.cArgs = 2;
: j3 y9 P% \1 _5 Q/ F* W7 \ dp2.rgdispidNamedArgs = NULL;
, L8 |2 R! r- P dp2.cNamedArgs = 0;( Z% D& V9 y: ?$ J( m
8 M' @2 E$ X* X
var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()) h# i& i' w" f9 E
. [( C& H8 ?: |6 |4 |
hr = m_pDisp->Invoke(( v+ p% W3 C" c$ I8 I
requestID,
4 Z1 K4 h: t$ b( E6 ^4 B2 W IID_NULL,
7 X5 [, M, M5 x* c9 F9 Z LOCALE_SYSTEM_DEFAULT,' y8 G2 C8 e8 S" E) L
DISPATCH_METHOD,$ k* T$ S$ Q# t C/ n' K6 v2 D
&dp2," U3 x' t9 F+ n L
&var,
/ d5 ^2 y7 z0 e7 K &ei,
# Z! G1 o* e* w &uiErr);
: c$ S; A$ u+ C- B. w( b" z5 g: \/ n; B' K" f" L" l P
SysFreeString(topicStr);2 Q+ r; f d; n* z* T
SysFreeString(itemStr);
2 g @5 k; `! m8 J请问该程序是获得extend里面的哪个值?5 @/ x. f1 S. z* ]% x* u% w
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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