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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:
1 u; M: C, `; I% qName = (WCHAR *) L"Poke";
, R( `/ r# t- ^9 e7 H& N2 S/ K* |
& ^; O9 Z& J1 ?, [: x hr = m_pDisp->GetIDsOfNames (
/ W( G3 e1 X8 w9 f( s IID_NULL, // reserved
7 n3 G' n) }. P) n. Y% d &Name, // Array of names to get IDs for
: k! L9 T; m8 P7 |8 m) Q: g 1, // # of names in the array& h: b: F: H0 z; K2 |7 M6 i8 w
LOCALE_SYSTEM_DEFAULT, // System locale
# v& Z7 K* }, q9 o &pokeID); // Array of IDs to fill on output; g( _, A. S- Z* E0 P
% }4 j0 H+ Q- } if (hr)
/ E- i' s8 g P6 Z" Q {
! }* ~5 @+ S: m l8 I; x MessageBox ("Get Poke Unsuccessful");; {! R' l6 y' ]+ O
return;
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/ I9 z# R! Z$ ~$ ^, l9 _ u
/**************************传递数据给extend**************************************/
5 a5 W* a- H2 H- {! n: } pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);9 ^# _' Z1 H3 g7 [! p! j
+ D- C: v9 W# c; S" R
valueStr = SysAllocString((WCHAR *) L"1232");
# x( _4 |9 b' ~3 k: w9 T VariantInit(&pokeVariant[0]); e8 M0 c- S3 e$ d7 E5 z+ Y5 {
pokeVariant[0].vt = VT_BSTR;8 q8 K/ h2 N8 t% ^/ X3 n
pokeVariant[0].bstrVal = valueStr;% ]4 n# z' L/ Q" B: ?$ R7 |% b7 w% X
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");$ j# _6 Q2 R5 ?# I
VariantInit(&pokeVariant[1]);
/ i+ x5 [6 l6 e( a0 L pokeVariant[1].vt = VT_BSTR;
* ?( Z+ ]" J6 | pokeVariant[1].bstrVal = itemStr;
% n, n' f' ^' U& [- z# D; |1 r; ]. P: J. X0 S; z ~
topicStr = SysAllocString((WCHAR *) L"system");4 r/ j p( O8 N$ K, M
VariantInit(&pokeVariant[2]);
- w. @3 A: S+ D( ?- U# P+ O pokeVariant[2].vt = VT_BSTR;% r6 O7 n1 b7 m% p. A+ }
pokeVariant[2].bstrVal = topicStr;! @# s0 |$ }" Q$ H
# B+ m: z& @" \9 ?0 b, ]( t// Set the DISPPARAMS structure that holds the variant.9 J ~' `: `7 P% _3 r
6 N/ |/ r' ^! C9 ^" Y dp.rgvarg = pokeVariant;
0 Q6 k0 \9 L! B' s! r dp.cArgs = 3;
+ c5 b8 w5 l1 l, G4 | dp.rgdispidNamedArgs = NULL;
. p4 ^- q7 g+ e$ l; Y7 } dp.cNamedArgs = 0;0 ]" n! g9 f; |- w% j/ w
& h( K% q& s( d1 `4 p// Call IDispatch::Invoke()
F) a1 K+ W$ {
% P+ B9 u+ j' J; P |; P' x( Y hr = m_pDisp->Invoke(+ W- b. g( `+ X( ]' r
pokeID,
! m! W1 f+ n0 s5 N) Z. S IID_NULL,$ [0 B+ ?6 U8 q/ B9 n: p, S
LOCALE_SYSTEM_DEFAULT,
' N: l* P3 E5 T) f+ ^" Y$ w DISPATCH_METHOD,2 d6 y% ^0 C/ G, p. }. T
&dp,9 c' o, R9 d" d4 T. ?5 _! J( S* E/ a
NULL,# Z7 k" t+ f- u" U% j$ Y
&ei,
2 C* u' ]% G/ v6 @ &uiErr);
& b' X$ `! g; S/ r
0 {& m9 F$ y0 ], n2 t2 ] SysFreeString(topicStr);$ v" F% X* W: b! L+ d3 F. h, d, P
SysFreeString(itemStr);
, x4 j$ K, v+ y5 X& b SysFreeString(valueStr);% H6 ^; f. N6 w# J$ _! r$ p
+ Q" D1 M7 A# X6 Q5 x1 W
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???
$ x4 T( Z: j7 \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????) X i; H/ q# B% w/ E7 {6 Z
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5 _* s* r+ X! k* W7 E! ^" w
2.这是request的程序
& N( A. g" |4 I6 j$ [// Request a value from Extend
" |, t2 ? Q+ H1 c0 h: m0 K//
1 y5 `2 a- p8 q// Initialize the variant that will hold the BSTR. Set the variant's
2 t; R3 E1 U+ m* S+ Z1 L// type flag to indicate the fact that this variant holds a BSTR. Place the% d1 s! }& `$ t* o
// BSTR into the variant structure.2 j5 s2 ?6 T( t3 z0 X8 F
( C( J9 Q2 t9 j& K/ a. [ requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
4 ]9 A, Y4 T6 p2 u& A
% b& ?0 Z0 K/ z$ ?+ s6 y itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
4 `0 U& \3 L g' K$ V VariantInit(&requestVariant[0]);
L5 i! A4 J% W; b7 b: B0 V: D requestVariant[0].vt = VT_BSTR;% S' N. S8 x/ D0 B
requestVariant[0].bstrVal = itemStr;: }/ q! d0 e$ t7 Z: T
) H: J) p" g& M0 S* g$ |3 c5 m
topicStr = SysAllocString((WCHAR *) L"system");( j' A, w; r9 G/ Z& e
VariantInit(&requestVariant[1]);
+ b/ Y& h3 l1 J- R requestVariant[1].vt = VT_BSTR;8 k6 k) J, A1 C/ }* \( ^ q5 O
requestVariant[1].bstrVal = topicStr;6 b# G) p5 `6 _. w- [, [3 x
0 K3 {' m4 Y& }# Q9 k9 Z, ^- ^// Set the DISPPARAMS structure that holds the variant.
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$ k* V" R% t1 z4 z dp2.rgvarg = requestVariant;. j& S2 Y# ~( F7 C7 { ?6 _2 @
dp2.cArgs = 2;0 n, _! C4 a+ ?4 K
dp2.rgdispidNamedArgs = NULL;
, h1 X' ^$ L) W( K) K, ?7 U dp2.cNamedArgs = 0;
% y6 s! p. ], r: ?) q, v& r; X3 H$ f- k, l8 h+ S2 f
var.vt = VT_EMPTY;! r6 ]4 C$ V) E' Y- y; {
3 Q: y" U8 o# G2 H3 o// Call IDispatch::Invoke()
3 N( n# P8 I0 M% H) O# b6 o# J3 q6 v n* E
hr = m_pDisp->Invoke(
% R, j6 n6 G, v7 ] H requestID,* H4 {! l1 v9 s0 t2 h# j5 Y
IID_NULL,
0 a0 F7 J4 r$ T# B$ V9 |. P* z1 C LOCALE_SYSTEM_DEFAULT,
; T/ k+ ]9 }3 c8 F4 c0 Y) X% u DISPATCH_METHOD,
3 D7 w- m+ q8 j) ` x. r7 s6 r8 p &dp2,
6 t1 {: u5 A0 \* S: b- l &var,
' b7 f. E5 f. E6 b* X( w6 W &ei,+ v0 I5 Z- ?5 | O
&uiErr);
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6 P: F+ D% N# u7 y) Z# g SysFreeString(topicStr);
) x8 D* |5 d4 i, x7 C SysFreeString(itemStr);
r2 s5 m z. b A. K请问该程序是获得extend里面的哪个值?
) _% h. W, W1 u6 q3 u ?& y6 I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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