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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:: {: ~& ^9 B: v; w3 S. v
Name = (WCHAR *) L"Poke";7 T3 B. Z! \' ?! n( A5 F) K
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hr = m_pDisp->GetIDsOfNames (' Q4 a- m: s" c0 H2 \% T, q0 [
IID_NULL, // reserved
, r+ T' V+ d2 o1 O3 Y& F! F &Name, // Array of names to get IDs for
2 l% c, d+ |. _- p0 L9 W 1, // # of names in the array
: b* p! U1 i- l% J; R' h! [ LOCALE_SYSTEM_DEFAULT, // System locale( Y& h0 q1 {8 n8 A9 Z1 Y: q1 C
&pokeID); // Array of IDs to fill on output8 `1 ]0 K9 D% b; P, R# Y' s6 x" I
3 ]( w, q, V8 b6 j. U if (hr)
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MessageBox ("Get Poke Unsuccessful");
% p+ D. N" z* V3 a! _& | return;
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* t$ l3 ]; P; @/**************************传递数据给extend**************************************/2 S, N& I- |; f6 P2 r8 m
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);2 }0 |" D B* K- {
" e" `# D' d5 K+ b: C* w valueStr = SysAllocString((WCHAR *) L"1232");/ F1 ~: `& Q, l% I$ p% `
VariantInit(&pokeVariant[0]); 5 |6 n# S8 X3 j+ o# b
pokeVariant[0].vt = VT_BSTR;
' E3 l8 {$ G, R- K% n; S pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");: i3 R3 G) M' W2 B o' B
VariantInit(&pokeVariant[1]); % u G+ U8 X3 i* H* W) N
pokeVariant[1].vt = VT_BSTR;' t3 D" s% i& n. F! {0 ~* q7 ~9 B
pokeVariant[1].bstrVal = itemStr;0 N5 }3 t0 I# k* x0 u$ R
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topicStr = SysAllocString((WCHAR *) L"system");
6 ?8 a3 E3 l, D+ W7 W4 k% U7 c VariantInit(&pokeVariant[2]); 5 k2 S, J$ r. P* _6 M+ f
pokeVariant[2].vt = VT_BSTR;3 q, b8 x6 W( F ^0 }
pokeVariant[2].bstrVal = topicStr;2 i8 J+ z/ [- H1 O
C) [" F7 {: o- Y3 _6 ]8 _// Set the DISPPARAMS structure that holds the variant.& J) _0 S8 M: P# @: ^, J
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dp.rgvarg = pokeVariant;2 \1 z t# m9 E
dp.cArgs = 3;" d& ` N1 ]3 l6 e7 p6 _4 d
dp.rgdispidNamedArgs = NULL;
. s' s" K$ a) M0 Z0 i dp.cNamedArgs = 0;
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$ i7 B; Z1 n7 E, H1 w// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
2 A: T* R: i- W3 ]1 G! j) m4 Q5 N' b pokeID,
+ f5 H$ K. o; c. f% c! T {/ B IID_NULL,
. [( z5 O1 `/ c8 H6 H4 N* S4 K M LOCALE_SYSTEM_DEFAULT,, H3 ]3 w ?, ?0 r
DISPATCH_METHOD,2 W. b- v& Z1 E7 Z3 J; R( C% {
&dp,
+ q& ~! ^" S4 [8 F, b NULL,+ I$ y8 x' h. ]- k! t
&ei,
, D# ?2 j b2 _; W+ d8 E &uiErr);1 g- T2 C1 b. |7 g5 V5 v
: [4 O3 p' v& N# T SysFreeString(topicStr);
; r+ C! d% }0 w! j SysFreeString(itemStr);, ^: h3 w& n' F; {1 `- d
SysFreeString(valueStr);& T! M' f8 p. }) M
! X1 C9 I5 d8 ?) g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 b* X( I$ G/ ]/ Q- M6 M! d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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2.这是request的程序
! b; r1 H8 F9 s- p8 l// Request a value from Extend5 d+ c1 Y6 o9 A/ ]
//
# d0 \5 \1 S) ^; Y% W// Initialize the variant that will hold the BSTR. Set the variant's, {7 N' V# A; }, g9 F( S* C
// type flag to indicate the fact that this variant holds a BSTR. Place the
7 p6 N! R1 o9 c6 W, u0 s// BSTR into the variant structure./ O8 V4 r4 v8 a7 O
# I" M& n' [3 H- l8 R
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
$ ]1 p" `5 J. i& j; H- t" ?9 |: e7 S. N, e" j VariantInit(&requestVariant[0]); 3 E; C. T; G- M; [5 q
requestVariant[0].vt = VT_BSTR;9 i) u6 r; C0 {9 r9 s4 n7 u
requestVariant[0].bstrVal = itemStr;/ S+ y. s- k/ R; M3 Z* _2 G: V
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topicStr = SysAllocString((WCHAR *) L"system");, c; M& C7 ~0 O; F7 W) k8 m- U/ y6 C
VariantInit(&requestVariant[1]); ( {- z5 V4 h/ M3 X$ Z
requestVariant[1].vt = VT_BSTR;
) N O% ]' J( |2 X8 Y requestVariant[1].bstrVal = topicStr;
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/ L/ D' g+ ]% T y y7 a// Set the DISPPARAMS structure that holds the variant.
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8 _; T; d' F7 u. p+ _# { dp2.rgvarg = requestVariant;3 Y) Q5 A& D; Z' f- G
dp2.cArgs = 2;' q$ h' m* }7 c8 P2 ^/ ? `
dp2.rgdispidNamedArgs = NULL;
' T. B' e7 F; e) r dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;5 V& C# p+ e* t9 N
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// Call IDispatch::Invoke()
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0 t+ z$ }$ |* G hr = m_pDisp->Invoke(! ?' e% U, s9 Y; R' u8 m
requestID,: x/ n$ `9 Y4 O1 [ P4 l( T8 s
IID_NULL,
9 ]0 ?9 Q3 r" U) Q3 F LOCALE_SYSTEM_DEFAULT,6 `4 t1 ~% [3 o P c5 x6 C. c
DISPATCH_METHOD,) t3 u$ `8 @) F
&dp2,) L! i5 |' T I( q* ^# }$ J
&var,
4 @2 N) q% w4 y e7 q &ei,
) @3 y m. k0 R7 _4 c$ H &uiErr);# Y7 U9 \9 P- \- x
+ {* t9 Z: \' N' h: g: {4 z9 `! w% Q SysFreeString(topicStr);
8 l8 W. a8 Y0 Z SysFreeString(itemStr);, t2 h8 z" [' v4 N+ X; ]+ A0 _
请问该程序是获得extend里面的哪个值?
. V5 p9 M4 D$ I8 R% ~( N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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