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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:
$ I1 u E2 } [# E" RName = (WCHAR *) L"Poke";' o' E8 D/ e) T# p @. ?
% v! \& P* f) v J/ ?
hr = m_pDisp->GetIDsOfNames (/ {+ n1 G$ \, A9 N
IID_NULL, // reserved
- ]( b* D# O) T8 ` &Name, // Array of names to get IDs for. y$ t7 Z6 B: @3 b4 o
1, // # of names in the array
% P: u" h6 c; \( s8 Q LOCALE_SYSTEM_DEFAULT, // System locale
. y0 u K- o% R& S &pokeID); // Array of IDs to fill on output6 X) \8 V4 \6 N' M+ q' ^
& c( L5 L) M1 H2 Y$ ~/ k0 Q if (hr)
# M) @" q& Q- c5 V {* z& N0 }7 |: N" B% R# m
MessageBox ("Get Poke Unsuccessful");
8 Y; q- h* L( Z return;. G/ ~) ]+ H# _1 X- w, r1 d
} L; n( f$ H: _- H/ ?6 ^+ V
; P: [; J% [% B4 j% H! b9 t; }/**************************传递数据给extend**************************************/' R! e; `' s! l+ i; M+ O/ a
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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$ `9 v% ]9 |. D( E7 K$ [) y valueStr = SysAllocString((WCHAR *) L"1232");
/ d9 d: ^' L8 C0 F$ l VariantInit(&pokeVariant[0]); # Z: M5 r9 ?, s7 ?8 U& t( [
pokeVariant[0].vt = VT_BSTR;2 E* R& i& ?# {( r, ]
pokeVariant[0].bstrVal = valueStr;
9 A/ m- M K% V |% C" t5 V5 |# k
2 F3 G- D$ y5 y3 ~ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
# n' S% O) R- @' M3 I7 L VariantInit(&pokeVariant[1]); ( ^9 Q+ U' x! X: A
pokeVariant[1].vt = VT_BSTR;% a" r: e; v* ^ A+ T
pokeVariant[1].bstrVal = itemStr;; s% l& ]3 R! P2 M4 z3 b- V
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topicStr = SysAllocString((WCHAR *) L"system");: [% O' ? ]0 ~* Z6 q8 K1 o& B
VariantInit(&pokeVariant[2]); " n; Q, |$ R- H, ]6 A
pokeVariant[2].vt = VT_BSTR;+ D0 T2 B k e# m7 C5 m
pokeVariant[2].bstrVal = topicStr;9 [6 S9 ~3 A- n! P l( S9 u
3 M- c6 q& \1 \// Set the DISPPARAMS structure that holds the variant.
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* N$ @2 A8 l4 i2 E3 K! B5 O dp.rgvarg = pokeVariant;5 \3 S, G6 J( ^! k) m
dp.cArgs = 3;
6 c( I6 D' e+ N9 E: L dp.rgdispidNamedArgs = NULL;
+ q6 q4 g1 B: X. C. f5 d dp.cNamedArgs = 0;- |7 O- k# H" h0 Q0 X
- @/ o- a+ l& ^) l! K' I0 ?) Z// Call IDispatch::Invoke()4 h! i' V; o6 m9 o' \7 G* H2 I
: m" `% E7 q4 y# ~
hr = m_pDisp->Invoke(- _* r- `9 R5 Q E( w: ?
pokeID,
- {$ p! T! N& f# _( y+ a# B. i; Q1 W IID_NULL,/ _% k4 I3 `# }" T6 ~/ G
LOCALE_SYSTEM_DEFAULT,/ b! |9 k& j. D' A
DISPATCH_METHOD, j, e% _& e' R1 ^; i" E) u6 I
&dp,' [% R8 M' n- W$ N+ E* j( h' r7 `
NULL,
8 O1 E* [/ k% y' M &ei,+ O8 n7 O: R$ j+ @7 v. R2 g" u; T% f
&uiErr);6 h5 H) @3 z1 n5 T5 f+ D
7 t3 k2 r8 |0 C7 j v z! L" W
SysFreeString(topicStr);8 a8 s8 z ?" F% X3 L5 q1 F- o
SysFreeString(itemStr);* O" L4 S: Z( u' L. S y Y
SysFreeString(valueStr);* D0 B' ]8 I7 n+ i( \
- g$ u: J: r4 ]- e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???
4 F0 k+ G. z! \ [% m# e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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% i3 _3 e/ k6 ^. J8 \$ e+ C \; X s
2.这是request的程序
: _" n# V) M( q6 f# `4 t9 C// Request a value from Extend
1 E4 W$ C( g3 {) p- X: I//
1 Y" ]) t9 A% N+ q& w4 \. |' f+ m// Initialize the variant that will hold the BSTR. Set the variant's
) z) Q4 |0 z9 T// type flag to indicate the fact that this variant holds a BSTR. Place the# j! H+ s) i" e* u( t7 v
// BSTR into the variant structure.
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* Q+ P9 h4 Z9 r requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);! K8 [3 `4 q+ z' e& {* N9 g. N
. P; i, M, q1 N" R itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
. u ]" Y, L+ X3 u1 C VariantInit(&requestVariant[0]);
4 P! ^/ \' V7 K: I# G$ S requestVariant[0].vt = VT_BSTR;
$ S: D; }9 ~% I' P requestVariant[0].bstrVal = itemStr;
+ f9 p8 `4 Y9 n7 x" I5 n9 r2 b2 p; U9 B6 C$ h* W$ j! J
topicStr = SysAllocString((WCHAR *) L"system");+ P# Q: L& a- r) h: } G& N
VariantInit(&requestVariant[1]);
4 H' q/ D( p6 F( [: L requestVariant[1].vt = VT_BSTR;1 a8 t+ i- x6 P3 ~1 |
requestVariant[1].bstrVal = topicStr;* w7 y5 m/ ~( }* @
: v! b+ e; G4 O. k3 P, ]$ O2 U! _// Set the DISPPARAMS structure that holds the variant.5 u9 y: o+ b; M0 n- `1 ^1 B' `/ `1 i: h
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dp2.rgvarg = requestVariant;+ j3 R! q. c, |( Z
dp2.cArgs = 2;
( n- Y* g$ K5 J* J) e3 K6 Y* E dp2.rgdispidNamedArgs = NULL;) {2 P! F+ x' F* V v
dp2.cNamedArgs = 0;
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4 Y! T2 i* ]- _ A4 c. E var.vt = VT_EMPTY;
* v4 n' ]2 Z+ P( [3 H! z E+ F ~5 K1 S3 {
// Call IDispatch::Invoke()
# E; g$ S: p- e; B( }
7 j' i# ?) H- M' V# [ hr = m_pDisp->Invoke(
9 B) d" Y' ^1 q6 X9 ^4 c requestID,
1 K# |. O8 ~: }" {; e6 ~ IID_NULL,
( B9 p. W) h! U3 O3 T LOCALE_SYSTEM_DEFAULT," I1 F) g" [: s: p9 |; ^$ F2 X
DISPATCH_METHOD,
0 X1 B, H+ ?% L9 b &dp2,2 ?5 j; \1 e2 p5 z, R
&var,7 W9 u$ m" \6 Z; M5 U
&ei,# F1 `: j5 z- G2 h; N, s
&uiErr);
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SysFreeString(topicStr);+ P5 `. r' b" y6 R- [* B
SysFreeString(itemStr);* {0 G. s* V6 @# X! S3 q
请问该程序是获得extend里面的哪个值?0 P8 U! t* Z" S7 J$ s8 A" F# w: f
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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