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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:5 G7 Z8 G, A. I% A4 \. }9 [1 f* M5 s
Name = (WCHAR *) L"Poke";. w3 f6 V% H# ~. D/ z6 I
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hr = m_pDisp->GetIDsOfNames (
) y9 Y, A8 p) m IID_NULL, // reserved6 w1 x, ^4 j+ i9 R7 v( W0 Y4 c6 O
&Name, // Array of names to get IDs for
- R% a; j6 j4 [1 D& L9 L& b9 X 1, // # of names in the array
7 l: `! j% g% ?* ~ LOCALE_SYSTEM_DEFAULT, // System locale
6 f" C; b. l4 |! i &pokeID); // Array of IDs to fill on output
0 Q6 E2 i% `- |' ? 8 w9 R$ M6 U- d ?
if (hr)
9 R- a& C9 T: _4 ` {
1 y1 o! F, C% o% [7 L: g; h MessageBox ("Get Poke Unsuccessful");$ l9 _8 Z& R# d2 e$ S* Z( ?
return;' M# K! w3 K, ]) s
}
6 @: @5 ]9 }" y: _
) s# c0 {3 s- e, x/ F) O0 T( e/**************************传递数据给extend**************************************/2 T# [! T2 i/ C. X h
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
$ n) S, y: C1 n7 S
1 q; }3 P1 l! |( Y% @6 L+ v valueStr = SysAllocString((WCHAR *) L"1232");; c2 f8 u) Q1 t$ l; O+ _4 S
VariantInit(&pokeVariant[0]); ! ^2 h7 @% @) F0 U
pokeVariant[0].vt = VT_BSTR;
$ {$ d. \/ z5 L* C5 W pokeVariant[0].bstrVal = valueStr;. |6 H( i; Q% W2 q! W! v' G+ u
5 @/ B# B9 g) { itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
# y/ l; A. v5 c& e s VariantInit(&pokeVariant[1]); ; ^: X+ ?" {) s
pokeVariant[1].vt = VT_BSTR;
: y/ r- Q5 A6 j6 y5 E pokeVariant[1].bstrVal = itemStr;
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5 v3 r8 r' C/ ]# G7 \' y topicStr = SysAllocString((WCHAR *) L"system");9 ?& o2 E6 y9 f0 I" e8 f/ n
VariantInit(&pokeVariant[2]); ' W. X( A1 D) M0 {
pokeVariant[2].vt = VT_BSTR;; v3 M! z2 l& ]% r! Z
pokeVariant[2].bstrVal = topicStr;
1 m: F7 _ h [8 ?. n' [3 E& _0 s4 `+ k
// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
. {3 G7 \1 W+ k$ I dp.cArgs = 3;
0 x9 [3 e. P; u! U dp.rgdispidNamedArgs = NULL;
9 D) x4 ^5 O& u( g: _! ~. B dp.cNamedArgs = 0;. F2 q3 z) E! X
: R/ Q) r& j R: c// Call IDispatch::Invoke()
+ C: ^! Z; O) |3 b* G& y. \. F( x/ z4 m) f5 R
hr = m_pDisp->Invoke(
) ]8 P( d2 p1 G! d {0 A. f pokeID,8 n: w8 G) q/ j. O9 w
IID_NULL,# u" z2 `9 b& I7 [% i8 t4 _ f3 ]
LOCALE_SYSTEM_DEFAULT,0 g1 X) l: a) A1 m
DISPATCH_METHOD,- S1 ]6 n( j: S3 X0 O8 k
&dp,% D4 ~3 H' I' X/ J
NULL,4 B/ [ u1 Q5 r1 z) R/ {7 i
&ei," v& |6 x' [4 T4 d
&uiErr);
/ h- @' v" Q1 X! a+ @" X4 R* x& Z
' \- [* M v0 w4 b; y0 M0 l/ v9 J SysFreeString(topicStr);
( f. C" T. C5 d c SysFreeString(itemStr);
, n) c1 ~: ]- u/ S" u2 G SysFreeString(valueStr); {+ G9 I: P/ |- E4 k, Z0 _
+ S: h! n; ?+ T' B+ `- o4 {, ~6 S
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???- | A- J5 {* K1 Y6 u, t0 c
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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) d2 D# L5 b \, t& D2.这是request的程序* o. p- p) a' p2 f6 V+ Z
// Request a value from Extend m7 C" L4 i( t# Q$ [/ p
//
6 A" T- s, I: N0 K// Initialize the variant that will hold the BSTR. Set the variant's
& K2 f; A8 G8 y( {0 r) O& A// type flag to indicate the fact that this variant holds a BSTR. Place the
# i6 a+ f/ P% n/ P& Q; t// BSTR into the variant structure.
; F9 k5 N8 p$ G( `) N% X# H6 I
. @7 t5 g ]* B8 G requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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" H% X% f% }: |4 ~, K+ v* h" [( b$ | itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
' E5 f6 o- i. `" x) K3 v: ^# ^ VariantInit(&requestVariant[0]); 6 r5 p2 t6 w+ _+ ~' q, p7 g
requestVariant[0].vt = VT_BSTR;
( b' k$ Q% M: v. d# p requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");' G+ a8 t9 |' X; T6 d
VariantInit(&requestVariant[1]); 9 f* u# n6 _; w1 }2 P
requestVariant[1].vt = VT_BSTR;
2 n' g0 i3 C: E# C* n; W- a. e requestVariant[1].bstrVal = topicStr;
. g9 d# C9 e, L7 d5 H8 \
$ }, @. o# e. {7 F9 b// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;; ^0 L0 W- I! X- x: h8 R
dp2.cArgs = 2;7 L; }$ t" C# `+ Y0 u& [/ X
dp2.rgdispidNamedArgs = NULL;
6 s% q$ o4 q" N: j8 C8 V. v* k4 J' s9 U dp2.cNamedArgs = 0;! F3 y9 r, |3 p( L( w- c
2 d" F( {' | C/ t% C/ {: Q var.vt = VT_EMPTY;: o* }' B' K. K7 \
7 _3 m# E$ \3 K: Z// Call IDispatch::Invoke()2 y& ^" X2 {5 c3 u" [
+ |, r6 H d; ?( r6 n! b! ^0 X hr = m_pDisp->Invoke(
: }8 K" e) D5 m+ x. I6 p) w requestID,
4 _- G5 z# O% A( R, N9 [. S; d IID_NULL,
+ J! Z- G3 ]' C# M1 m5 D LOCALE_SYSTEM_DEFAULT,
% i5 P6 I/ h, j DISPATCH_METHOD,9 m! M* i Y1 G
&dp2,
) Q- @- f7 ?! w9 _! k4 O) b2 j &var,! E# I; v# L5 [! y9 g5 k
&ei,& C! b( `6 g1 U3 e6 f+ s! k1 e
&uiErr);. f% s- U ~! t. e* k7 v% S
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SysFreeString(topicStr);4 `* I# [/ }2 m0 ~2 }
SysFreeString(itemStr);4 f( k7 R7 ?1 I& ^' |: g+ a
请问该程序是获得extend里面的哪个值?/ t5 y' _* R- A
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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