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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:/ M4 F2 Z# \( H% M. o
Name = (WCHAR *) L"Poke";5 ~7 p) T7 m2 D( H. }% ~! Y$ I' ]
2 _$ V' R! t& e# K. } hr = m_pDisp->GetIDsOfNames (
( T# @( r, r1 _5 I/ k IID_NULL, // reserved
O2 w# K7 i# _( I4 n &Name, // Array of names to get IDs for1 v, t: ^- P1 ^9 L6 {" E
1, // # of names in the array
, J( |$ o) p- A- ?8 y" N( S LOCALE_SYSTEM_DEFAULT, // System locale
$ G3 I6 L1 E+ F% o4 _9 ] &pokeID); // Array of IDs to fill on output
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if (hr): }, d6 ]# ~! Y3 R6 L4 x
{) H c( m$ a5 f3 A
MessageBox ("Get Poke Unsuccessful");% X7 A$ z* e& W! R' J
return;
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7 A% N0 }: y/ ^) H, P& O7 ]/**************************传递数据给extend**************************************/6 D8 ^& B' d' Y) l7 {+ Z) q
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");( e$ x; M# A/ K: a$ a+ ^- f
VariantInit(&pokeVariant[0]);
8 b/ l( \$ I% `+ E( j& `) D pokeVariant[0].vt = VT_BSTR;5 j" c" ?6 b$ W
pokeVariant[0].bstrVal = valueStr;
+ r9 I" t8 x0 Y: C; O6 w& H, Y: f7 C% j) K: \) c. O
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
" l$ ]$ x4 K6 D1 I5 P8 Z" a VariantInit(&pokeVariant[1]);
! e$ z& P4 V+ i# y8 P& a4 @ pokeVariant[1].vt = VT_BSTR;
: @6 Y1 I: K- L5 o; D! O, d- U: B pokeVariant[1].bstrVal = itemStr;( K$ @5 u7 ~. [' b) a
) x+ \4 ?4 Y6 m5 [. E4 q2 z8 g topicStr = SysAllocString((WCHAR *) L"system");1 [' O7 X+ r& _ z( y; \. U5 t6 F
VariantInit(&pokeVariant[2]); 9 Q, O; H# M7 G6 O9 h' A
pokeVariant[2].vt = VT_BSTR;
( z- Q4 d1 P( g+ K, y, q1 O pokeVariant[2].bstrVal = topicStr;& J z& A* `9 k
. H7 E; K' f, v// Set the DISPPARAMS structure that holds the variant.
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( e/ [& T" S/ ~# d I dp.rgvarg = pokeVariant;' O+ z# q) S. z, i7 k; _$ P( c
dp.cArgs = 3;
( x5 L0 S0 {" v) j, p% i dp.rgdispidNamedArgs = NULL;! ~0 _9 f4 \: f0 T* b
dp.cNamedArgs = 0;
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// Call IDispatch::Invoke(). |: {9 a! |. `" ]
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hr = m_pDisp->Invoke(
& A" n5 z: H6 ~ pokeID,
! m6 V/ y% n& X3 d IID_NULL,8 e! y( f' ?# R
LOCALE_SYSTEM_DEFAULT,/ I- J+ T7 c: r6 |& o* q
DISPATCH_METHOD,2 X& j' q1 q" o3 n/ H* Y: N
&dp,0 V- x- p A# x# c$ z y/ U. O
NULL,
& x7 x8 ~4 D( e# V &ei,
. S. c) Q2 a2 r7 E! I &uiErr);
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8 V `0 V' P! d5 z/ q# u SysFreeString(topicStr);
/ W9 H' _+ o& a/ }" P$ f5 | SysFreeString(itemStr);, Y3 @; d5 L' C
SysFreeString(valueStr);, n" j) X/ m, k ]( H7 J. q1 W
/ V% e3 }5 z2 r8 M V( B6 K
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???6 F3 y9 H0 h: q' M0 o8 I% z6 {, l0 S
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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) Q3 B! n& ]( i5 S: h1 |: R2.这是request的程序1 ~. O* _9 `; v) n) J& [
// Request a value from Extend: H# c" O1 g+ B: [
//
! Y u( o3 Z; s) a// Initialize the variant that will hold the BSTR. Set the variant's
2 l8 q" d# m+ Q5 o* o+ r0 j// type flag to indicate the fact that this variant holds a BSTR. Place the
, J9 c& l3 R- h; d) O1 C8 g" E% M0 K// BSTR into the variant structure.
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5 [+ P; F6 @- q9 v requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");. s1 t' \+ j$ s6 z
VariantInit(&requestVariant[0]); l1 s" R* u- ]* P$ _2 q' Q: v
requestVariant[0].vt = VT_BSTR;
- _! {3 l, K/ f3 A requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");$ a# @( g- B# f; A5 e2 G
VariantInit(&requestVariant[1]);
- `3 l! j% A6 ^% k) u0 e requestVariant[1].vt = VT_BSTR;
* O7 S4 ^ S) d8 L+ [( [ requestVariant[1].bstrVal = topicStr;! @, k, G$ \0 N r9 y/ f4 F4 Z
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// Set the DISPPARAMS structure that holds the variant.
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+ S( z4 u C: C. R' h dp2.rgvarg = requestVariant;3 _9 j/ z3 W* M) k% N
dp2.cArgs = 2;. b; J" I" L3 E: s
dp2.rgdispidNamedArgs = NULL;
1 u4 o' Q e0 w' x! x+ v8 G6 n dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()% ?: S7 ^/ y# Q0 ?) _
3 C" j# o+ {% ? hr = m_pDisp->Invoke(( ?( H9 _# c. p6 H0 ?8 B
requestID,* j: ^- }8 Y; P4 w+ K
IID_NULL,& V b) Q. B' R8 J) S0 {& R
LOCALE_SYSTEM_DEFAULT, ?6 [2 a# m+ U; n
DISPATCH_METHOD,
4 J5 _3 y- H0 D, ?, h: l &dp2,
, `' }, I( I. J+ a9 A &var,/ I! ]4 |- _* H. \- A
&ei,
' O: f1 e- @' c4 \- j &uiErr);
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. c, [5 H- a- M9 b5 ^ _ SysFreeString(topicStr);& `0 L0 N2 T! ?9 ^. S# q: p H
SysFreeString(itemStr);2 b" x- V0 z; B7 A, a
请问该程序是获得extend里面的哪个值?, @, ]/ e- T- }- B0 I3 I2 m2 w
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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