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:/ k) M2 J& C8 a) {% W# r: ]( L
Name = (WCHAR *) L"Poke";( u. v. U" N" R1 p
8 v- _: V1 r8 H; H- [* e hr = m_pDisp->GetIDsOfNames (1 e" I. U8 |3 O! U1 ~$ X$ q
IID_NULL, // reserved
+ z* d% s; ?+ A% Z& _. e &Name, // Array of names to get IDs for
! {- T6 B% f( Z) k% g" z7 \, q 1, // # of names in the array0 V, w a$ z# F; { I, j8 ~
LOCALE_SYSTEM_DEFAULT, // System locale
0 n& Y$ {6 H2 k" s' T &pokeID); // Array of IDs to fill on output
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if (hr)
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MessageBox ("Get Poke Unsuccessful");
4 t; z. o& ]: I6 O/ f' F return;
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4 a" ]2 E5 |/ v h y9 _
5 j. n- K! }0 D1 f /**************************传递数据给extend**************************************/4 [% e/ R) s: o( N/ f" `! ]( h' x2 \
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);* D* I' h8 m. J" F! p/ o
! z, \3 ], ]/ Q9 W+ J valueStr = SysAllocString((WCHAR *) L"1232");
6 P4 V1 ]6 s! h' p- v( A* ` VariantInit(&pokeVariant[0]); * m. Z- U. Z" m! S1 @$ B; [; F* C
pokeVariant[0].vt = VT_BSTR;
4 n5 r8 [" [9 p9 S6 _ pokeVariant[0].bstrVal = valueStr;" r- X% w+ H) R* m; \. t
! W/ j4 V- r& K' z7 D S: ? itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");9 ^& p0 w0 V& O ^3 t' L) _; [- b1 j$ @# h
VariantInit(&pokeVariant[1]);
* M8 R5 `3 Z' b- K. { pokeVariant[1].vt = VT_BSTR;2 b& q K$ l& e7 K2 H8 t( q
pokeVariant[1].bstrVal = itemStr;4 u2 k2 X6 h, _( }# {- L
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topicStr = SysAllocString((WCHAR *) L"system");
* d- H4 u3 u! n' V0 [8 W VariantInit(&pokeVariant[2]);
1 p& O0 L f9 ~: [6 O pokeVariant[2].vt = VT_BSTR; I! T3 f, M1 t4 f1 X0 v" U
pokeVariant[2].bstrVal = topicStr;
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" a0 H4 b1 o( F ] // Set the DISPPARAMS structure that holds the variant.8 Z9 Y q& T3 i. z9 f) Z
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dp.rgvarg = pokeVariant;: i. ?+ o( Q& u) _2 `0 h. s
dp.cArgs = 3;5 a/ P9 o# A% I$ f
dp.rgdispidNamedArgs = NULL;' ?" K) _6 ?2 d7 d" o3 g. v
dp.cNamedArgs = 0;
3 C |/ D3 O' A0 X0 f
9 M, x. r5 L* D // Call IDispatch::Invoke()& q7 p3 M O( X) f9 i
/ ^: u1 B( }4 z2 J' s& s hr = m_pDisp->Invoke(2 B2 z0 r7 k6 A# f
pokeID,
. n* @: _+ C4 `0 r9 J$ n IID_NULL,6 i. g& X3 i, k9 t
LOCALE_SYSTEM_DEFAULT,
- M) ^+ R; Q9 X; k9 x) s1 W7 J DISPATCH_METHOD,; W0 A& j) z7 b, {( a+ j
&dp,3 G- {! g2 x" {: o$ c4 X
NULL,7 L2 n- }. c# C" G$ L6 h3 Q" j+ Q
&ei,$ G) p, Y2 o$ W' V% \( a% P
&uiErr);% F) n, j3 \; f0 {6 \& m; n- m/ b
r4 a8 Z3 V2 Q5 i/ Q8 R" ]
SysFreeString(topicStr);& w8 _8 b2 ?* v b
SysFreeString(itemStr);
9 C3 |( w. P+ \2 M+ n& r) | SysFreeString(valueStr);
# Q5 S0 z0 l6 {, j * m9 a* E( Z- X( S1 `
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???
2 K. x B, `$ r+ w1 m: j% ` 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 W( H6 k0 R, E4 J; R0 n- W/ r
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2.这是request的程序
; r) h0 z2 l/ _5 `( R0 b6 G // Request a value from Extend
5 q, u- A4 b& u2 x2 | //, r/ R- }; k( ~
// Initialize the variant that will hold the BSTR. Set the variant's& b3 u( l# y' p
// type flag to indicate the fact that this variant holds a BSTR. Place the
& @/ U* N3 a) E) R& O // BSTR into the variant structure.5 t+ p8 Q# ?0 j+ d5 {
" y, L4 M- m1 B1 i- r requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);. L+ @/ o1 j/ D# q4 _
( N8 p' s; i, q1 {" g# I5 K itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");3 h, L) j3 y6 ~
VariantInit(&requestVariant[0]); 8 H3 j- | J7 ^9 f
requestVariant[0].vt = VT_BSTR;
2 I4 |$ `8 j- v! V8 x requestVariant[0].bstrVal = itemStr;! V' i D! f- N
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topicStr = SysAllocString((WCHAR *) L"system");
* F \5 v( l2 Z5 O+ k, O1 [0 Y VariantInit(&requestVariant[1]);
: c3 d4 w' V" g/ ?5 {. B/ q2 Y* J requestVariant[1].vt = VT_BSTR;7 W3 A% Z8 ?# \2 q; E4 c3 F
requestVariant[1].bstrVal = topicStr;) g8 j# O" u* e1 f# t
1 u$ J7 t6 k u7 d // Set the DISPPARAMS structure that holds the variant.! y) A' B" ~; \* g9 x/ ^- X
1 K+ c+ }2 q r% v( G dp2.rgvarg = requestVariant;
+ B# E/ V2 H- g8 B dp2.cArgs = 2;, x/ D% W, i) K
dp2.rgdispidNamedArgs = NULL;9 B& j" Q+ A8 B2 \$ C
dp2.cNamedArgs = 0;
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( `/ @0 e- _9 n% u* R1 t1 l, M7 Z var.vt = VT_EMPTY;& ?" `6 e6 c# Z6 v# q, Y
. S/ p/ f7 _* f& j; M; w // Call IDispatch::Invoke()3 B. Z9 F l. D, N
9 }* q8 y. B$ K9 y3 e+ \( ~* g hr = m_pDisp->Invoke(
0 J+ u. G2 s9 w6 w- c requestID,* C0 y( D* ]8 d# |* m
IID_NULL,
e& \# X: h6 @9 \! V LOCALE_SYSTEM_DEFAULT,
9 `5 I' X5 K9 K# ?* p DISPATCH_METHOD,
7 @' m! O6 t" T0 Q7 O6 c &dp2,
) i% T7 B5 K. Y: G) X* `; H &var,
/ ~! n& J) f ~6 C+ I. T &ei,# Y3 w- ^" y. ~9 q: e b: d& ?
&uiErr); o8 q$ J% Q+ J5 W" K0 r2 N# n
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SysFreeString(topicStr);3 T% q; M+ I# N2 Y0 \
SysFreeString(itemStr);# P5 B$ a* o. S1 S) ~
请问该程序是获得extend里面的哪个值?7 |4 O8 o \9 _5 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????
我来回答