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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:7 q- T$ P: ?) b" j* a% @9 R- ^1 ~
Name = (WCHAR *) L"Poke";
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* Y7 H, n* E$ g# P5 ?; ]; U. P! w hr = m_pDisp->GetIDsOfNames (1 a* J" L7 Y% J o/ b4 s& ~
IID_NULL, // reserved% C; o7 S- \9 `6 g }5 [/ \$ |
&Name, // Array of names to get IDs for
$ x% f) |8 C- @9 x) D6 q 1, // # of names in the array% X: _; v, t, K. ^, A5 Y' _+ R) I" B, T
LOCALE_SYSTEM_DEFAULT, // System locale
4 a, s- g5 `3 R0 w$ \- `# p &pokeID); // Array of IDs to fill on output% z/ \' w) M B( X& B" j
" L4 J8 J3 V5 `% V; Y
if (hr); `" @4 ]1 p8 d% U$ F1 Z
{
6 z4 x2 @$ T$ P+ C: T" n6 l( Z MessageBox ("Get Poke Unsuccessful");6 \7 E0 y/ S- ~
return;5 m8 _) X+ _) E8 p; {
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0 t3 [* `1 w, ~/**************************传递数据给extend**************************************/% m+ o1 F" |9 c8 R) B
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);7 r {: K6 j* i& _- n. P
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valueStr = SysAllocString((WCHAR *) L"1232"); j" E/ @6 N9 b( H0 `
VariantInit(&pokeVariant[0]); ( m, A/ a) { ?5 K5 U
pokeVariant[0].vt = VT_BSTR;5 j6 N! K& O2 r/ K7 ^. C8 p) h
pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
; S7 a' R4 C* e; M! u VariantInit(&pokeVariant[1]);
! \7 p$ _, ?! a/ C8 n5 S pokeVariant[1].vt = VT_BSTR;
3 O% Y v8 u4 l7 w/ a; c pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
- L4 Z2 c' C/ I: j" y- ? VariantInit(&pokeVariant[2]); $ K. C' r5 B3 V) G, `& `7 _% D
pokeVariant[2].vt = VT_BSTR;
( q f7 U# b$ d; K, y( S pokeVariant[2].bstrVal = topicStr;4 L. _. K, ^! z2 Y
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// Set the DISPPARAMS structure that holds the variant.
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6 O. E# k9 P n/ T8 t4 s dp.rgvarg = pokeVariant;
2 J" U: C' ]% l7 W6 M* T# g dp.cArgs = 3;# `/ }: l: m4 {4 l) s
dp.rgdispidNamedArgs = NULL;
4 G# |& {+ p2 P3 G5 J dp.cNamedArgs = 0; e& {7 p/ _ c ~8 ]
' Y, z$ Z% @/ D, r( Z8 Q5 k% K// Call IDispatch::Invoke()2 z/ i8 D% ]. g
. E4 E, u3 Q- W% {5 g- K hr = m_pDisp->Invoke(- W+ z0 Q% L X
pokeID,
: n9 r' O) V) V; B IID_NULL,# l4 l+ z" C. S% E% w% a; I9 F
LOCALE_SYSTEM_DEFAULT,' O! y( E% @: h6 |
DISPATCH_METHOD,( V. f% A- z; T* b5 ~ |2 u7 e; K
&dp,( R# j8 ], q2 [- Z9 b2 A
NULL,
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&uiErr);8 b+ J/ X+ M' Q; l5 N+ e+ a! u
`6 [ g/ o+ d SysFreeString(topicStr);
& S A* r9 \7 Z' ^0 `+ Z0 c SysFreeString(itemStr);
% d* m: C- z; S1 X( Z& l2 h) \4 _ SysFreeString(valueStr);
4 }2 i! M9 q9 U0 d7 b* P% g: j( j7 R, g7 ]! m+ q1 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???
* h- x8 J- i# 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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2.这是request的程序
" n0 `6 Q1 W& {: X8 H// Request a value from Extend
5 O9 F. t/ J9 n1 u8 W. J X; g" F//
+ H& `( o) l, L& E' V) s* s// Initialize the variant that will hold the BSTR. Set the variant's2 K% l# L2 m1 z; s/ v
// type flag to indicate the fact that this variant holds a BSTR. Place the! | ~8 k8 Q( a) U# w8 ^" W
// BSTR into the variant structure.
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. r3 K: i/ ~1 V7 a5 M+ i! H requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");! ~& k9 k) }; z
VariantInit(&requestVariant[0]); . ]+ f, F; Y& \' N8 u
requestVariant[0].vt = VT_BSTR;
! ~0 N* u0 L( T$ m2 A: g requestVariant[0].bstrVal = itemStr;2 s w9 q$ q6 x- Z" A3 ?
5 ~# Y" I# E W1 d8 m3 V topicStr = SysAllocString((WCHAR *) L"system");
- b0 O' ?- W/ X' b: g VariantInit(&requestVariant[1]); 1 `2 P6 `# w1 T* u; j
requestVariant[1].vt = VT_BSTR;
' m: J! w% p/ T7 R0 R7 n3 { requestVariant[1].bstrVal = topicStr;
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& K5 L% t3 F& ?6 Y [ n// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;
d# T" L' b8 A dp2.cArgs = 2;$ K; C" @8 ^6 y$ E8 L+ ]8 I5 U; j3 g
dp2.rgdispidNamedArgs = NULL;
' `; g$ s* R; N& F( d2 C) A dp2.cNamedArgs = 0;. G; U8 a7 M& u! X6 ]
8 g/ g4 r! l! \. C5 N var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()2 @3 J0 g2 d/ I" \: b
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hr = m_pDisp->Invoke(
, ?- Z; J) j% }9 }: [$ [5 r requestID,
; m% |' v( P2 \" W IID_NULL,1 D) h- N! l2 C( K( h+ [
LOCALE_SYSTEM_DEFAULT,
) H8 B7 E; N; i( K3 w$ A% y* |4 ` DISPATCH_METHOD," s8 s5 b z9 L; D' `2 O
&dp2,
4 z) a. m- v7 H" O9 b: o" m1 z &var,
+ H0 _8 d2 Z) J5 @5 e/ K2 r: }/ C7 S0 T &ei," \& ^* z* @% {% G$ H0 i" M" E. Z
&uiErr);
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SysFreeString(topicStr);
- X5 t% J: G* W- ~8 V* e; ^2 Y SysFreeString(itemStr);7 B) n! M9 P. p$ J% b0 b8 U, u: q
请问该程序是获得extend里面的哪个值?
& A R( A. ]6 u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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