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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:0 c4 j+ d0 D8 O/ `) n0 Q6 d% b
Name = (WCHAR *) L"Poke";3 p, O" F* X: N0 @+ C- d6 h v5 l
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hr = m_pDisp->GetIDsOfNames (
% n/ |9 `* t) F% b- r Q! n! d IID_NULL, // reserved y: G" l- p) y7 V" ~
&Name, // Array of names to get IDs for: S- J% s1 ^- Q
1, // # of names in the array
- }- P# y5 l2 m; _- K LOCALE_SYSTEM_DEFAULT, // System locale" A( }% k0 |5 P9 j( O
&pokeID); // Array of IDs to fill on output/ r |" `- k9 r; Q$ t& z/ p
5 L) b4 H* y6 _! k# x
if (hr)
% R' B3 ^6 Q2 Y4 M8 Z3 h j& z4 K {" z8 k" i# ?: V1 f, m# f
MessageBox ("Get Poke Unsuccessful");
$ [/ z U" T& A1 i1 V0 P return;
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/**************************传递数据给extend**************************************/2 A7 E% K& A' I0 r* F
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
" D, k N. Q$ P3 x
+ I) Y9 d- u; d: ?8 |+ A: p valueStr = SysAllocString((WCHAR *) L"1232");/ |; p1 H$ g h% q; w1 ?
VariantInit(&pokeVariant[0]);
6 t. O/ F* V9 u% [) W- L$ V6 y. D pokeVariant[0].vt = VT_BSTR;
/ a, H+ N! ^4 F1 ~# R2 M pokeVariant[0].bstrVal = valueStr;3 C! E, ]8 H- U
! m1 h4 u/ q% F$ ?! Q& K4 s
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
, B! J7 l5 i9 H VariantInit(&pokeVariant[1]); 2 k/ a1 R/ T2 k- j- ~
pokeVariant[1].vt = VT_BSTR;
8 K+ a5 _) t5 h7 J pokeVariant[1].bstrVal = itemStr;
* G' d7 Z f& H
2 v) J4 z/ O/ p/ W4 d [ topicStr = SysAllocString((WCHAR *) L"system");. C8 W; h: p3 X* q4 f
VariantInit(&pokeVariant[2]);
' Y, ?, M" E- C4 I% E pokeVariant[2].vt = VT_BSTR;
6 j. B, V7 v& U I5 Y9 O pokeVariant[2].bstrVal = topicStr;
, ?' [5 g# ?! T$ k/ ]1 O
, p3 D: Y: B5 B// Set the DISPPARAMS structure that holds the variant.
# L/ z* z5 ]; q: b* K5 S- s9 X$ b0 c9 j! |* O" L0 u6 i5 s
dp.rgvarg = pokeVariant;
1 O+ a8 s5 l) o9 T7 K! M7 u- [ dp.cArgs = 3;6 R6 K! V2 X" ?
dp.rgdispidNamedArgs = NULL;
o+ f/ O- Y/ Y* Q- Z dp.cNamedArgs = 0;
- r* y3 N+ R7 }% C3 ?5 G/ k- t
+ i' @4 T" v! R+ B& s// Call IDispatch::Invoke()
; Z z. J4 r3 d) k: I; m- r, f8 v, V/ ~6 c
hr = m_pDisp->Invoke(& ~ l* B3 e. G# @+ g! e- z5 A
pokeID,$ w& v% ^: @- V
IID_NULL,! X# ~& k" }8 u7 A5 Q
LOCALE_SYSTEM_DEFAULT,& Q% I8 F F: s1 K
DISPATCH_METHOD,
# `2 A3 A8 E1 t, w3 D" z( i &dp,
/ Z3 v- E! j7 a; k V NULL,3 O: q& Y' [1 o7 j
&ei,* e% `8 S2 T# j& ^
&uiErr);( A; `0 l+ k6 X* [: p
' ]6 h% [% Q i* }6 A2 q SysFreeString(topicStr);
% H6 ~: W/ Y6 d, R; b SysFreeString(itemStr);8 X0 E2 u2 b' d5 c$ A" U6 @ j
SysFreeString(valueStr);4 w7 J0 E; o5 \. s" n" X1 O
/ u+ ~# O5 O+ W/ g& ~2 i5 |; a8 `
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???
9 y# c. c8 R* 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????+ J( I/ T1 e" h3 E- \2 D& W# J
2 y- Z$ F+ g8 y% p6 f y7 B1 O7 k6 ]' E1 q0 F$ w0 P: ^
2.这是request的程序
5 M6 w- \' z: u* Z// Request a value from Extend* z z3 H p" K% S8 a, M8 P! c% u
//
2 ?* `) A- o0 d$ y2 `" ~( E: R// Initialize the variant that will hold the BSTR. Set the variant's
' W u; M' K! Z% T, k/ p3 f- u// type flag to indicate the fact that this variant holds a BSTR. Place the" l- _$ J. u: _5 v
// BSTR into the variant structure.9 S- o; f4 S( i2 X L0 F
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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. E) `( }2 S% P$ C2 K1 X0 A itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");; o# N( j) {! H* Z* J- p
VariantInit(&requestVariant[0]);
0 x4 Q8 X+ ?7 U requestVariant[0].vt = VT_BSTR;& y. Z/ c( u/ d) j7 ?% V
requestVariant[0].bstrVal = itemStr;6 q$ D6 x. Q ]8 @8 B3 M& Q
9 G# f& r) `% g! v( W2 Y$ d* `
topicStr = SysAllocString((WCHAR *) L"system");) l: k6 I6 r8 F4 w
VariantInit(&requestVariant[1]);
# u9 N; S. A2 J$ v. c3 ^5 c requestVariant[1].vt = VT_BSTR;+ O! _" [ k, J0 o: P, k8 b5 F
requestVariant[1].bstrVal = topicStr;5 r: S# Y/ \6 K! w9 X2 W( b
r b. x( a7 e4 E, r* _8 y
// Set the DISPPARAMS structure that holds the variant.* C. i$ T8 Q& S$ k6 s+ U. B2 Q) h
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dp2.rgvarg = requestVariant;* V; o, c* C; A: k; X
dp2.cArgs = 2;
0 l7 d) Z9 v3 D- R dp2.rgdispidNamedArgs = NULL;
1 x. I+ |. o* `5 L8 F4 |2 X$ s dp2.cNamedArgs = 0;
$ [* U1 \& j0 P7 ~7 f: Y3 [" n/ q
, \( o0 c. P' e, F0 e var.vt = VT_EMPTY;8 |: v& R' ^/ J, `9 S
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// Call IDispatch::Invoke(); |# N) G# y% S! d; Q0 r6 G
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hr = m_pDisp->Invoke(
, c3 R+ c9 |5 P5 y, J" W7 \ requestID,
$ N. o# E7 ~6 ?; S3 m! ]1 K IID_NULL, z$ J7 F B$ I. p) \
LOCALE_SYSTEM_DEFAULT,
# q* U( \' l6 P0 \ DISPATCH_METHOD,
: q0 W2 d, O2 S9 z1 Q* n4 d &dp2,0 N$ H) u. ]6 ` U
&var,9 y8 f1 D0 l ?- f9 k6 P1 j
&ei,+ f M, [4 J: T/ M
&uiErr);9 d1 N! R$ A: N2 q7 z' }
0 {" f: R9 E' C' y U E9 r' V, e! a$ U
SysFreeString(topicStr);
7 F0 c7 [9 N# E1 o4 E) d SysFreeString(itemStr);
Q& S* }( I4 ?0 W# o5 b请问该程序是获得extend里面的哪个值?
4 D4 B- x! o4 }4 Y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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