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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:. D9 d( f$ `% v0 `1 l! `0 k
Name = (WCHAR *) L"Poke";. G/ D: X5 J3 L& t/ S0 \% L
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hr = m_pDisp->GetIDsOfNames (. F3 c) R5 w5 r& K( l2 |" H
IID_NULL, // reserved
/ G- R1 `, j- h% U$ Z% a &Name, // Array of names to get IDs for2 B1 z2 C6 z- M5 x7 I& \
1, // # of names in the array3 V0 h) s: D# o% o; f/ m
LOCALE_SYSTEM_DEFAULT, // System locale1 o7 T: | S! I; A9 R e
&pokeID); // Array of IDs to fill on output2 h% I+ ^8 ?) J8 X; x2 e4 P8 p
( N6 j$ P- W0 ^ if (hr)$ t& n3 l3 x* G
{
/ A5 r5 G, x1 E G/ n- E9 r* A MessageBox ("Get Poke Unsuccessful");
, W# e/ G+ C) H return;0 Z, [# W. t9 ]
}
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/**************************传递数据给extend**************************************/
' A4 \1 x4 E$ }" I pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);! p; y+ p# Q6 t R8 W0 N5 _+ f8 k
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valueStr = SysAllocString((WCHAR *) L"1232");
6 P" ^2 M* v# W+ y* a# v! U VariantInit(&pokeVariant[0]);
; K3 C7 d+ u3 r pokeVariant[0].vt = VT_BSTR;- b& ]$ s% B" |' B O" A' _1 x
pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
/ M/ e4 R* h" e+ U* `" H8 ^ VariantInit(&pokeVariant[1]);
# l3 B. D- ?: H, F pokeVariant[1].vt = VT_BSTR;0 w( y% {% D" ?; q3 q
pokeVariant[1].bstrVal = itemStr;; |$ e7 [4 \4 \: g5 P
# y! }+ _3 L2 a) o topicStr = SysAllocString((WCHAR *) L"system");
( }! @7 ?; _5 ^* T VariantInit(&pokeVariant[2]); $ x+ ]9 k) }2 p3 T8 w9 K
pokeVariant[2].vt = VT_BSTR;
: P* C7 `; K" S0 J pokeVariant[2].bstrVal = topicStr;
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/ e0 Y/ i$ R7 v( u// Set the DISPPARAMS structure that holds the variant.
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^7 O2 J2 z. v dp.rgvarg = pokeVariant;6 J4 }. g0 @* K/ p) I
dp.cArgs = 3;
& D7 }$ [8 r. A% q5 z. ^) n dp.rgdispidNamedArgs = NULL;/ p" D. m" U. I4 j( A
dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()
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! l5 v& k4 P3 D' j; i. m hr = m_pDisp->Invoke(
6 K' b" F- q9 F ]3 ~) S pokeID,
) O" @9 S! Q% W) e8 z' W IID_NULL,
. d% J, b0 x! c+ d6 _ LOCALE_SYSTEM_DEFAULT,! P# @% u( E8 O9 w0 ]3 i
DISPATCH_METHOD,. p6 ^" n. {$ @) _$ p
&dp,
! z8 |7 z* ?9 Q! ` NULL,
, N- p& ?: E% x; b9 N) F &ei, c) Z8 k$ i) R$ X4 s1 R
&uiErr);0 m' A9 V7 |4 a
6 f' w; }( F8 ~2 {2 F! V4 |( K SysFreeString(topicStr);
1 i& a t/ v2 j* X2 b SysFreeString(itemStr);. A; P& X- X+ ]& Q+ ~$ \2 n
SysFreeString(valueStr);7 G8 G5 m- I9 q0 Y+ E% U( [- S: ~
# L- _- `* w' F, W/ H9 o5 K0 H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???' Y |" y* ~" R% k 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????: G; r4 H4 K7 M y2 M+ D& W" \
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& u3 _& x. u+ l% U2 U+ X- N, m2.这是request的程序
4 B$ \. n! m& E// Request a value from Extend
2 o; U; q8 y4 Y: P0 i! X" z5 I//
0 v# p" ?4 f! ^2 s' {# N// Initialize the variant that will hold the BSTR. Set the variant's
9 b3 [/ K6 p. I! p$ [// type flag to indicate the fact that this variant holds a BSTR. Place the W6 H4 b$ q% I$ g/ w$ e
// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);: y/ {, Y8 X) c+ G6 j4 k
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");% q; j4 C9 b# d/ \
VariantInit(&requestVariant[0]);
6 R4 U" \8 w- P requestVariant[0].vt = VT_BSTR;
! b! `) ?. f) Z A requestVariant[0].bstrVal = itemStr;: l7 _" D, ]; t
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topicStr = SysAllocString((WCHAR *) L"system");
! u, a+ `& Y" I W# z VariantInit(&requestVariant[1]);
5 T8 Q- h4 A, J. @$ { requestVariant[1].vt = VT_BSTR;
0 V) |* c* { a0 d requestVariant[1].bstrVal = topicStr;9 H+ C1 X S2 n+ i7 k1 ^" k
1 a( }- M( y" G: Q# {) J// Set the DISPPARAMS structure that holds the variant.
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* K8 K) D; f) D7 R9 _# b. A dp2.rgvarg = requestVariant;
( }# O( o4 o3 p dp2.cArgs = 2;
, }6 a1 d- a$ m( T# y5 q dp2.rgdispidNamedArgs = NULL;5 o% n- v; {) x+ v2 r6 G3 o
dp2.cNamedArgs = 0;; u+ q. `; Y8 N. x0 T( O
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var.vt = VT_EMPTY;
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- S+ x# Q7 b7 o2 i/ E! G4 Z// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
: Z8 T% h7 B/ s requestID,! C( o& o4 S) L, L; R
IID_NULL,% ^; }; Q5 X& R; O; r8 g2 }6 c
LOCALE_SYSTEM_DEFAULT,. q5 q- d3 S& i' s6 ~# w/ V
DISPATCH_METHOD,/ }. X' U8 f) x
&dp2,# Z* v7 {* K! T* B$ f2 e+ Z7 v Z
&var,
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&uiErr);8 P* Q2 Q+ Y$ p
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SysFreeString(topicStr);
+ b3 L' R8 M2 V SysFreeString(itemStr);
' i7 _/ Q, ]0 ?3 A" \请问该程序是获得extend里面的哪个值?/ U/ Z6 x V- H$ d! \
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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