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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:
7 P! `" x( z( b. O8 J$ yName = (WCHAR *) L"Poke";9 B* d! P3 n) C8 l$ a
+ X: A: W! M$ G# M7 p4 Z hr = m_pDisp->GetIDsOfNames ($ q! v+ R/ F+ @% d& z7 `
IID_NULL, // reserved, F6 X& P7 Y' c9 f1 o4 y% h/ F
&Name, // Array of names to get IDs for. }/ w2 \. T5 h. N l# ]; K( p
1, // # of names in the array5 _, l F) u v, M- T0 s; _: F" j
LOCALE_SYSTEM_DEFAULT, // System locale
% j5 s1 T j* q L9 S9 w3 `; d, ^ &pokeID); // Array of IDs to fill on output5 f; N ]6 _7 o7 \, B2 ] ?
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if (hr)
$ ^ v( j7 ?0 k6 ~ {
k# W( J0 B! h. z0 r1 \" V. S7 { MessageBox ("Get Poke Unsuccessful");& Q) b, F+ g( p0 b9 M
return;( M) r9 y+ \" B% s0 G
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! g4 Y" v; s2 D" [# e6 X9 V/**************************传递数据给extend**************************************/
# R( s' h3 i8 c( |" {7 l! { pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
/ j: r# r% `4 _6 g( \: z : w7 p3 g! J. `- p# C
valueStr = SysAllocString((WCHAR *) L"1232");
/ z% \/ ^# q0 A8 C5 S VariantInit(&pokeVariant[0]);
, k( @9 p: t3 b8 f5 a8 L pokeVariant[0].vt = VT_BSTR;2 r( ?1 A- Q2 }1 K- ^
pokeVariant[0].bstrVal = valueStr;
/ W. T* }8 S/ i; u, z# g( U
7 N4 N& j6 F0 o2 R/ b9 d: E itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");" h& \ j% p7 U* _/ F! ]' [
VariantInit(&pokeVariant[1]);
N! f( E# r% [0 Z! [& b. ~ pokeVariant[1].vt = VT_BSTR;
) E) u0 W$ K6 S& d6 M pokeVariant[1].bstrVal = itemStr;
$ ` b! E0 f3 h6 u6 O+ K2 y" m. L8 Y* _8 B* Q6 F9 v
topicStr = SysAllocString((WCHAR *) L"system");4 ^! A1 y3 K0 s. N
VariantInit(&pokeVariant[2]);
# K; M( S+ b' g' m pokeVariant[2].vt = VT_BSTR;$ m" l( a0 R, H7 w+ C& B5 q4 V
pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
% F0 C( P/ I0 l9 T$ n) w8 U
+ t! e: V9 z3 t9 k+ ~# M2 W dp.rgvarg = pokeVariant;1 D- U/ D; u/ i2 u, I. S% X$ b
dp.cArgs = 3;
) j, D8 z; e0 x' E" x dp.rgdispidNamedArgs = NULL;9 U7 J) a1 C2 _6 K8 ?( [
dp.cNamedArgs = 0;
! c9 O& ?9 f. u: H; g$ y+ b/ a9 A/ S7 U' Z7 I1 G
// Call IDispatch::Invoke()/ [4 ?1 @% q* B; i/ {7 }2 A
3 W# V1 m+ s8 I) _% r hr = m_pDisp->Invoke(2 y: y& \ v, r* x
pokeID,0 x# E8 G; w: F
IID_NULL,$ |6 U- a) i3 k/ t
LOCALE_SYSTEM_DEFAULT,# r4 T, j- J, I4 ~! {/ \( j
DISPATCH_METHOD,. u$ S2 }4 n2 m' O& @9 {( R
&dp,% f: i% X" }4 v( h% {2 u' G
NULL,7 J7 }$ X. O- w4 K& b# o
&ei,! x* g6 ?8 o9 S5 L& l1 E1 n: l
&uiErr);
3 b$ s( i k$ V- w
* u$ [5 ?; a F% R. U SysFreeString(topicStr);
! ? J3 P8 r/ h) A1 I* u: |( V6 J SysFreeString(itemStr);
) {; a8 y+ E* Q: G9 h5 W) E Q" j3 O SysFreeString(valueStr);
- n8 \/ X+ l& i' e* A3 E+ E+ \$ D/ r. _
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???
. h5 A3 F3 s/ g0 Q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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$ j" p) m8 G( Q0 }
& j) p( P" R2 k1 {1 s1 ]8 U2.这是request的程序
% I; _* y5 |4 w: K: n6 P2 K: X// Request a value from Extend
9 b6 X9 d0 l% F5 w//) R% t5 H8 t4 E) b
// Initialize the variant that will hold the BSTR. Set the variant's
& S8 @1 G/ ^- N9 c8 Z* L// type flag to indicate the fact that this variant holds a BSTR. Place the- X" {( a; R( \& a5 v" Z, x
// BSTR into the variant structure.
- @$ k) z, C+ {! w, y1 h6 E- M' ~# K! P* ?3 J
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
, b9 w6 o9 ^5 k VariantInit(&requestVariant[0]);
+ c7 t+ N+ m5 [: n, j |2 K4 n requestVariant[0].vt = VT_BSTR;
, e x4 i4 S# O requestVariant[0].bstrVal = itemStr;
, a) {* ]" f0 X. S+ V T6 u- F g9 A" T5 S* V/ L) K
topicStr = SysAllocString((WCHAR *) L"system");0 m& C/ v- z, Y7 m/ S- P7 s# \5 W
VariantInit(&requestVariant[1]);
9 C- }5 {$ P, h6 D* s4 f1 o) M/ ~ requestVariant[1].vt = VT_BSTR;0 W0 |* J' L; c8 e4 h, k( a8 m
requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
q8 T k/ U( Q7 ^8 _
: r& z. k5 n- S# Z! m, m dp2.rgvarg = requestVariant;
[% C* K5 Z; m- i0 q2 ^ dp2.cArgs = 2;! N" \2 G9 n6 O" ]- j% P I
dp2.rgdispidNamedArgs = NULL;, j2 M/ X$ B% B9 N# t* Q& m
dp2.cNamedArgs = 0;
4 U9 H: S+ N p1 L; A$ v! d# c+ O: a- s% U8 J) n/ ~
var.vt = VT_EMPTY;6 Z* a; t4 s* ]- ~, o/ W6 V' t
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// Call IDispatch::Invoke()
# Y; n; Q. J4 u c
. b7 g3 f- m. g; A# {# z hr = m_pDisp->Invoke(
3 F! P+ h4 ^3 W requestID,
/ D# X# k; ~7 L3 z" M+ A- S8 n IID_NULL,
9 e6 M2 g, h4 j( C. ?5 U6 v LOCALE_SYSTEM_DEFAULT,1 }! _' `7 @: t d
DISPATCH_METHOD,; N8 k7 j1 V. n! e$ |
&dp2,
% E2 O! S& ^' u! E &var,
b$ X0 ?$ T2 y) R/ E- {9 Z &ei,
2 A/ ]+ g) e- w9 H: _6 S% S5 f3 n &uiErr);& U4 U& o2 T- U/ W6 e
2 `( k0 B2 b5 d2 G# u2 _
SysFreeString(topicStr);4 B9 I* Q; q6 g* N
SysFreeString(itemStr);
) b% r- R! C/ l. a% }/ H% }0 I8 p请问该程序是获得extend里面的哪个值?
; X! C7 W" e! k+ p/ o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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