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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:
; I3 V& h5 J: yName = (WCHAR *) L"Poke";
% F0 b8 X2 V" M) y/ @ 3 _# g% I% J0 ]+ [/ P
hr = m_pDisp->GetIDsOfNames (% P: q! `5 Y# y& _( [
IID_NULL, // reserved
8 A: ^ \. }* Y! q. n3 N# W7 c &Name, // Array of names to get IDs for
/ g9 E# K* i2 J* T+ y" R& C& A8 g 1, // # of names in the array
% B8 z4 n. R' i3 D" Q" X; w LOCALE_SYSTEM_DEFAULT, // System locale; q3 C' k: d( E) @% I
&pokeID); // Array of IDs to fill on output( b% p! ]# q9 ?! S- k
0 U5 N J& S0 y7 [( K3 j if (hr)
+ T3 J7 L: x" d# ~5 o {
! n, L% h2 ^! ` MessageBox ("Get Poke Unsuccessful");) u R0 \( k/ `% _3 { [: q! P+ ] j
return;
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4 K x y- ]1 k/**************************传递数据给extend**************************************/8 E' x& y6 O& i- y+ _, ^
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);3 F5 e- Q& A# `# n% W9 N2 l% Z
) }" ~8 u+ z8 a# p valueStr = SysAllocString((WCHAR *) L"1232");: v) e0 E; M6 ?* ~- k
VariantInit(&pokeVariant[0]);
( a* O4 L( ^$ [9 \, o pokeVariant[0].vt = VT_BSTR;
( I: |! o5 M4 T) J( q1 r6 E pokeVariant[0].bstrVal = valueStr;6 r6 w+ A% u. E6 ~8 y+ k7 g* H9 E
( Q6 o& f) s1 |+ x6 ^
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");/ H! R0 B3 o! J& b3 {
VariantInit(&pokeVariant[1]);
4 M' `5 z+ `- G6 r( N" \' x( N: Z pokeVariant[1].vt = VT_BSTR;
4 j' ~. v: \# f8 n& j$ P4 A pokeVariant[1].bstrVal = itemStr;% `) a, p7 u# X7 \9 V2 D6 {
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topicStr = SysAllocString((WCHAR *) L"system");
5 P( ]0 e4 x2 m1 u6 ^/ M; O VariantInit(&pokeVariant[2]);
0 k0 M: l7 z7 U( p pokeVariant[2].vt = VT_BSTR;6 i4 \. K! q( j0 ~
pokeVariant[2].bstrVal = topicStr;
" r& ]9 N" `6 T. E
& X' E5 F- [- @: V8 \& e9 D// Set the DISPPARAMS structure that holds the variant.
0 k- C: l2 C6 o; q% ]- M: i* K% M
dp.rgvarg = pokeVariant;
# _6 @2 z$ q X3 X# P5 `! e dp.cArgs = 3;, P/ n. B6 T1 V* l+ L" n
dp.rgdispidNamedArgs = NULL;
) }. @/ |9 \) G2 F5 d* y# O4 K' `: N+ v dp.cNamedArgs = 0;
6 @& h0 n" C- E/ p0 r
$ a% a; F. y0 g) Q3 E4 @; p- `- C// Call IDispatch::Invoke()) k. I& O5 e2 F; m4 c8 @$ h, h
6 q1 d4 a/ h0 e. y g, l
hr = m_pDisp->Invoke(( m q3 d3 ^( L
pokeID,! V/ Z" r$ S# n( [' ]
IID_NULL,
9 e1 A1 W' y. L2 y8 M LOCALE_SYSTEM_DEFAULT,
' ?- Z! ]: f$ y% E: ~; N! I DISPATCH_METHOD,
& f% y" ]$ d$ P" E6 `* a' p& a+ `9 y &dp,
$ q2 p, W1 l+ s% R& n/ D" V9 [6 p J NULL,
9 V. d: {% A4 Y! q &ei,: x% r# t8 [+ @. d
&uiErr);
. S, u2 q' H% h1 E
+ B; L! L. G$ j- F6 f+ K+ n( [; S SysFreeString(topicStr);
3 `: r; X" e6 i! Y9 l# D. Z4 E* R' [3 g% P SysFreeString(itemStr);- B4 ]& H/ h! y/ F4 ~& K6 [1 k
SysFreeString(valueStr);" I3 C$ V0 O2 k: d. Y/ X* ? W: U
7 k0 W# B4 a8 T5 A6 \9 O: k' L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???
7 L& k3 j( @) I5 Q/ z7 R3 \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????' ?; c+ ]! c( W8 Y3 W C6 L
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# B. F. D0 r b, c( \- K4 H2 c0 }
2.这是request的程序; v5 e$ K; p1 K9 b$ f
// Request a value from Extend
' B& [; A* _% T9 }( ?- u//
5 h$ J* ]0 D# [// Initialize the variant that will hold the BSTR. Set the variant's3 i" t! ]" U$ [4 V( B# z* ^
// type flag to indicate the fact that this variant holds a BSTR. Place the
: x h2 ^* v/ O) |7 u// BSTR into the variant structure.7 K7 {5 s( B5 h! l
4 `3 n% s! E9 N- n) f! V$ j5 n
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);, `- P1 [1 ]$ I; |$ x- T
/ t9 {& v- B/ f, O8 _
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");3 p4 T- t; Q* O2 Q
VariantInit(&requestVariant[0]); . c. j; h6 u/ n0 W
requestVariant[0].vt = VT_BSTR;+ m z9 ?$ B9 F& b9 l% V
requestVariant[0].bstrVal = itemStr;
4 g0 G0 V/ `! l
6 @' v) i* c/ a topicStr = SysAllocString((WCHAR *) L"system");
9 \5 U J+ \0 U1 F/ p/ y7 O7 V VariantInit(&requestVariant[1]);
* c$ m8 ]: n3 N1 B requestVariant[1].vt = VT_BSTR;
$ x R, u- n! L/ A7 a# [ requestVariant[1].bstrVal = topicStr;
j5 E/ ]" n# h$ I% `; W# N: q
" W6 E8 [. B* u. i3 P// Set the DISPPARAMS structure that holds the variant.
+ V. f5 {& `& _* i( A2 C8 N; }; W
9 P; V' }% u& _) R$ A dp2.rgvarg = requestVariant;/ @& x/ X6 j/ O) T$ ^ g# `8 R
dp2.cArgs = 2;$ y( E: B4 t3 `) R- q! d0 Z
dp2.rgdispidNamedArgs = NULL;7 m" ~6 h2 w7 b5 O4 T
dp2.cNamedArgs = 0;) A2 O& Y ]% M. Q& B
8 T1 |" G& F+ }! P+ x/ ^ F var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()
5 \7 }# b2 [9 E! y* r M8 P: }! W2 L& T
hr = m_pDisp->Invoke(
1 P5 \6 A6 `$ T9 a. _0 B P requestID,
/ I# T. W* K {8 l/ B IID_NULL,
5 p( L* d# v7 z7 b LOCALE_SYSTEM_DEFAULT,1 C6 O: z/ A7 Y2 s
DISPATCH_METHOD,- Q8 N) b% X3 ~# A1 p5 ]6 M7 n3 x
&dp2,
! l) Q* b. d' e: w2 P. H3 o &var,2 n* h5 y6 p' g/ f) r6 t
&ei,7 g1 P/ F& x* G( |
&uiErr);
. s- [1 ]* w: G5 o, K
$ A! l; o1 _ w, }) w n8 E SysFreeString(topicStr);
) j- c+ {9 w& G4 u& G SysFreeString(itemStr);/ p. ^# s( | a
请问该程序是获得extend里面的哪个值?
5 ^4 v \+ v* F) \8 y8 s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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