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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:
j9 y6 R/ s! M3 A2 mName = (WCHAR *) L"Poke";* ~; k) K+ {( ~ M$ e
) L1 R9 K! E+ z- g3 O# h hr = m_pDisp->GetIDsOfNames (
F+ r" s) i& [, ]" {! T IID_NULL, // reserved/ ?" A9 m; `6 F( Q% B
&Name, // Array of names to get IDs for
, I+ W& I" Y; m( f8 s; a 1, // # of names in the array
4 V( W+ H6 }3 ?, x" a LOCALE_SYSTEM_DEFAULT, // System locale @; Z$ A* X0 i+ c, E0 }9 V9 |
&pokeID); // Array of IDs to fill on output2 o* x# B9 {/ O) B: y8 A
; B8 h3 K/ j2 ^6 E: w& K- z
if (hr)
) B3 `( r/ C5 D3 h/ P& w4 U {! _% L# r2 Q2 c) i! e
MessageBox ("Get Poke Unsuccessful");
! K, U4 q- E8 Q( z2 P return;
, y8 @0 z- k! ]) R; e; W$ b }
: N# T- O% @( V- W
. o- Z. Z, E2 l) ?! }" `7 q' [0 K2 ~/**************************传递数据给extend**************************************/
0 @& d& ^( s& V+ O0 f pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
9 M8 s' Q/ b- V+ [& m H3 k7 R
5 M; P; m' U# c, d' Y( t1 w$ O0 z valueStr = SysAllocString((WCHAR *) L"1232");. z0 V0 M- I: I
VariantInit(&pokeVariant[0]);
- F) _. u: b/ y8 G, d pokeVariant[0].vt = VT_BSTR;
4 X8 o) P; c0 f( E! c; r! g4 f" a pokeVariant[0].bstrVal = valueStr;
6 m4 W. A( S ~- P Q0 y" B' g' O
1 i, K( ^- P, w/ b9 ~3 Q& X5 e: a itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");+ U8 ?4 X. g- u% c
VariantInit(&pokeVariant[1]); 7 w1 m2 r. _$ w3 l: T+ ^) w
pokeVariant[1].vt = VT_BSTR;
* N9 Q! p. `: T* s pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");+ v, S& c; p% ?, H
VariantInit(&pokeVariant[2]); 9 c7 X% P7 s* z
pokeVariant[2].vt = VT_BSTR;
# b; J% v8 G# D5 l pokeVariant[2].bstrVal = topicStr;
* A& U" m! Q" F3 R2 G' l
& ]- _' w/ e8 B2 d0 Y: H1 j/ S// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;0 r* ^! }$ g, M# V; E- A, | n
dp.cArgs = 3;
& @! y9 N. B" G dp.rgdispidNamedArgs = NULL;
4 O n' v$ r" h, Z: n, T! Q dp.cNamedArgs = 0;! |! i$ n2 j4 S
9 W8 t$ H7 i3 [; g1 }
// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(/ T0 k8 @ [4 }% l& A
pokeID,* y1 Q9 X* G% O0 ?/ w* v8 g
IID_NULL,
6 h: T$ x3 W$ X' U# E% A+ W/ v+ x) { LOCALE_SYSTEM_DEFAULT,
3 L2 y! Z4 C3 W: @! Z' s DISPATCH_METHOD,
7 W' R+ |! S* `3 I/ |1 U- [ &dp,
4 D k3 E S0 }% X$ U0 D NULL,
: K( A/ W5 A3 A; Q$ m5 ] &ei,6 G0 B- W% V8 t% l( O) Y- h
&uiErr);" R3 i. d8 p4 c3 j7 X
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SysFreeString(topicStr);
6 I& R/ I8 j4 n SysFreeString(itemStr); F6 s" |8 Z2 ?/ ~
SysFreeString(valueStr);
: u* W) a; c5 W
9 X8 Q) q! q7 q/ C' G0 `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???3 T9 F/ G) R0 k5 R8 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????8 d' |# _# c' {, S6 A2 N" U
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2.这是request的程序
* @0 P( I1 O4 B" z' k! \8 d3 D// Request a value from Extend
) G9 G. b7 }( Z3 |- \//
/ E0 w! \0 w- h. X3 R( ~// Initialize the variant that will hold the BSTR. Set the variant's' q/ @: N. A: s$ t
// type flag to indicate the fact that this variant holds a BSTR. Place the3 i! v) g2 D3 s, ^
// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);/ }8 p5 G! W( f9 q/ r; k' }
6 w7 A3 \& t# Z: q" a5 ]
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
) I% N& M3 ?6 e& E* } VariantInit(&requestVariant[0]);
1 L& ?: ?: F1 b: E3 ]7 m& B9 Y requestVariant[0].vt = VT_BSTR;+ u S7 W" J* j: k+ _6 Q
requestVariant[0].bstrVal = itemStr;
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0 ?/ L. h, G5 `- Z; V$ u topicStr = SysAllocString((WCHAR *) L"system");
: H3 C& S* \- q6 w4 g' s$ Z VariantInit(&requestVariant[1]);
8 F. F0 ?1 q' E7 { requestVariant[1].vt = VT_BSTR;
1 }0 S; s/ v' Q2 E requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;
, i5 E2 _. a* n! M' [* V dp2.cArgs = 2;
z/ H: ]4 I) o4 Q9 | dp2.rgdispidNamedArgs = NULL;
! a8 S) g7 u- _; n* a dp2.cNamedArgs = 0;9 U' S C' R- H
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()4 F5 I) ?2 |9 e3 p/ W; ~
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hr = m_pDisp->Invoke(
6 g0 R/ y$ S% G; ?# I: w4 G requestID,) C5 R# o8 n' e1 H3 A7 A
IID_NULL,
* I% Q! N3 R4 Q, L LOCALE_SYSTEM_DEFAULT,
$ l+ \7 g: R+ Y% ^/ I DISPATCH_METHOD,' \ N& t0 q2 I' ?/ D
&dp2, B3 f w/ p% O% s: e6 t
&var,& m6 h: n3 c( ]3 t5 j& |" L) X3 S
&ei,+ ]; s# J+ `/ h0 y v
&uiErr);: N: T( @' Q2 n7 `, G9 k* H& B
: E! L4 R: s P3 E SysFreeString(topicStr);
& k5 _0 q* n7 g# p SysFreeString(itemStr);
' r1 @2 ^0 E1 j请问该程序是获得extend里面的哪个值?
, }5 f$ |& p; O5 W7 S/ 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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