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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:
8 ` S" O, J$ fName = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames () e' V! G Q6 Z
IID_NULL, // reserved
& @- C9 A5 w" w% |( q &Name, // Array of names to get IDs for. I4 j( x6 W6 b# ~; v( {3 D
1, // # of names in the array- l' K8 X0 v( F8 M7 K* n
LOCALE_SYSTEM_DEFAULT, // System locale$ T3 P4 r+ W! _. q+ v! |
&pokeID); // Array of IDs to fill on output
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if (hr)$ K+ s) z3 E9 v
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MessageBox ("Get Poke Unsuccessful");
( D- D6 j% w- C- r+ Y return;0 {$ Z: O f- W: Y1 Y. j
}
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/**************************传递数据给extend**************************************/( }. ?/ F6 H$ {" ?0 L& e' {5 ~
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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" Y& S( _- m5 J4 p; m valueStr = SysAllocString((WCHAR *) L"1232");
$ h4 C& O' t4 f5 h6 _- x VariantInit(&pokeVariant[0]);
5 B/ J0 i+ _4 @6 A N pokeVariant[0].vt = VT_BSTR;; s. t7 k2 ` X- Z$ E
pokeVariant[0].bstrVal = valueStr; Q0 s6 h3 Y0 W' g M8 n6 A
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); w- d0 S' L# e& m% X. i5 B
VariantInit(&pokeVariant[1]); 9 d4 d# f* ]! w0 U L- R: G2 Z- o
pokeVariant[1].vt = VT_BSTR;/ d3 G" w% }" W0 _
pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");+ L/ Z; x3 v$ e! P8 F
VariantInit(&pokeVariant[2]); ( f2 h4 p' y' ]0 D' k; n
pokeVariant[2].vt = VT_BSTR;- g$ k, F$ J* ?7 N; \8 g& i' f' S
pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.# t7 Y8 f+ V9 ?
. }3 O$ c# B: w2 R2 Z/ s% M$ q dp.rgvarg = pokeVariant;
1 l d& @, n' ]# b8 y, Z% q; u dp.cArgs = 3;- [6 G D# X8 l, ~' Y
dp.rgdispidNamedArgs = NULL;
% E+ g' E% x, w- Q- C$ E% f* Q dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()6 L% k8 E& h/ K, n
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hr = m_pDisp->Invoke(2 {! R. M8 y; P: g
pokeID,7 T6 b" Q2 J' k! y3 n3 E
IID_NULL, u; K7 S+ X* F) | [+ |$ X
LOCALE_SYSTEM_DEFAULT,
: m- H" {) E7 k DISPATCH_METHOD,
: B) K& O; ]. V% W% x &dp,
% ~- z, G. u: V0 I( z, m* I4 @ f NULL,
* @( M& }$ \( l &ei,/ S) R5 R( b; S+ R8 L1 \
&uiErr);
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6 z S; ?2 i }- ^. }1 @* i3 C SysFreeString(topicStr);
- X5 s' g" D7 J6 A1 k' { SysFreeString(itemStr);
8 c9 {# v+ W) l% [+ m* z2 k SysFreeString(valueStr);
/ d5 @9 H% [' c# f4 w+ F
% G- r8 V0 X& K9 u5 F5 v现在这个程序可以实现将1232这个数据发送到extend,extend有一个对话框弹出并出现1232这个数据,不知道这个对话框为什么会弹出并显示这个数据???
: d- [ H# N+ s* [0 R' B此外我希望将这个数据赋给extend程序里面的一个变量,请问如何实现????0 S8 r8 v% P# L/ i
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2.这是request的程序3 m0 I3 V+ t; r0 d! G
// Request a value from Extend/ G3 S1 U* ~. z: {9 s2 p/ `5 W3 |# n
//7 i7 M9 H' w8 e6 P4 i$ X
// Initialize the variant that will hold the BSTR. Set the variant's
0 m ~$ C5 \) |* T( B7 u// type flag to indicate the fact that this variant holds a BSTR. Place the
9 A' X+ r ~0 R+ Z// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);& s) \" z: K8 \' V9 q5 d
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");' q. |( t9 a& v0 ~' t* ]# Z. m) P
VariantInit(&requestVariant[0]); * E# c% h) F4 B/ x6 K/ }
requestVariant[0].vt = VT_BSTR;
3 G* |- I# w6 h# d9 ~' D) F5 F( f _# ^6 @ requestVariant[0].bstrVal = itemStr;7 w& k$ `# T+ e0 j0 G
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topicStr = SysAllocString((WCHAR *) L"system");+ M0 D* }/ U* R+ x
VariantInit(&requestVariant[1]);
) {( Z/ l% _+ r- _ requestVariant[1].vt = VT_BSTR;
2 g3 x! j8 r1 H* p0 J5 W requestVariant[1].bstrVal = topicStr;
3 A3 A- [6 r# |* E* @
2 l; d- v* @: n6 Q7 a/ ~// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;
9 i6 G3 N% g' z9 U dp2.cArgs = 2;$ Z @& H3 m7 N0 T: O- j
dp2.rgdispidNamedArgs = NULL;
: T- e% C6 ]* F# s dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()
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3 U" [$ n, D3 g9 @& R6 m5 v hr = m_pDisp->Invoke(" V, |, ]6 b5 P; K' W+ @& p- N) j- u6 C
requestID,
; e; c% L. E% B* S- W IID_NULL,
/ `: n) k! H' g( P! \! g* o LOCALE_SYSTEM_DEFAULT,
8 E! k: Q. _$ `4 X+ e3 S0 v0 i DISPATCH_METHOD,
8 }2 g% W o+ w1 T& d% @/ i( M &dp2,, Y5 I T7 O( v. _6 `; ^
&var,
( y: g) I! U. c) Y. @% Q1 ? &ei,
5 W& j1 `6 k: G; W! z& B2 {9 W &uiErr);. y& H) \' h. _8 I
3 e- k1 [- [: L# ? SysFreeString(topicStr);
3 b+ E1 I4 n. E8 S q SysFreeString(itemStr);: V& T5 J+ N2 {3 D1 ^) }
请问该程序是获得extend里面的哪个值?9 A5 g. B6 g7 ]* ?
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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