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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:
5 g5 {" {( l: M1 ` cName = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (# V" Z2 `. n/ `' D9 Z" e7 o, i
IID_NULL, // reserved
V+ V) K8 c' {. o &Name, // Array of names to get IDs for9 Y, u! F! {5 E3 q- O) H
1, // # of names in the array0 S4 }* I4 |' u6 X# K" z
LOCALE_SYSTEM_DEFAULT, // System locale
# S; \8 E' J. ^9 x6 M; n) w &pokeID); // Array of IDs to fill on output
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if (hr)$ }, U# p! N7 e% l! j
{
' }9 Y( u; ~" D/ ?, q' i5 x MessageBox ("Get Poke Unsuccessful");+ J" j9 L: F' i# p& Z: S5 C
return;
" Z8 @+ k1 h M5 A& P }
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/**************************传递数据给extend**************************************/: Y) [/ j) s6 Y2 l8 W5 e: N
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);+ ]2 g/ ^- G% s* K
2 Z0 B0 u) T) z4 L; Z valueStr = SysAllocString((WCHAR *) L"1232");$ b: U- \/ p3 B
VariantInit(&pokeVariant[0]);
% H6 J2 V( y0 F H, V" ? pokeVariant[0].vt = VT_BSTR;
" f+ t- L" O5 W! Z pokeVariant[0].bstrVal = valueStr;# z' M; l( T% u' o0 _; D6 q
! f- Y& i8 F4 b. C itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
9 b2 Y* |! o: S: m7 C VariantInit(&pokeVariant[1]);
) S4 u# Q1 [0 H. h pokeVariant[1].vt = VT_BSTR;5 w$ F, n+ q, F, O& u, G, O
pokeVariant[1].bstrVal = itemStr;2 R' a( V0 |0 F" T
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topicStr = SysAllocString((WCHAR *) L"system");& Z/ \2 w& ?3 P( Y' W
VariantInit(&pokeVariant[2]); 6 k. M9 S# S+ W7 l" V9 V& ~
pokeVariant[2].vt = VT_BSTR;8 g" Y( A r! D6 O9 H0 `, I# r! {
pokeVariant[2].bstrVal = topicStr;5 q* k' o+ I; T8 Z3 h1 N, K$ U
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// Set the DISPPARAMS structure that holds the variant.1 V: o9 H$ ?* P; m9 @
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dp.rgvarg = pokeVariant;* L1 h" o4 e8 ~& ^
dp.cArgs = 3;% `9 X0 r' d" D& L! d9 O1 ?$ M
dp.rgdispidNamedArgs = NULL;
: Q% H" C5 A0 P3 y% T dp.cNamedArgs = 0;5 l7 \2 _1 [, [
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// Call IDispatch::Invoke()) m. o9 \# m, W6 K: I3 W# q
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hr = m_pDisp->Invoke(
: S% T0 B0 q: C( m9 x+ z pokeID,
5 v( ~7 \ M$ |* g: z% B) E5 E2 n IID_NULL,
9 ^, P6 E( R8 X0 t& G! q3 {; y LOCALE_SYSTEM_DEFAULT,
# E5 N( g% H1 x% O* ~7 O# V$ D* T DISPATCH_METHOD,
9 b+ {0 ?: d6 Y4 A5 A0 M &dp,
0 l) b7 z# Q( Q7 I6 C* P NULL,0 j$ V* j0 } a8 n* u& S; @
&ei,: ^' d$ {1 n/ `- T; A7 N) L
&uiErr);
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SysFreeString(topicStr);5 ^5 Y4 Q5 J! U$ C
SysFreeString(itemStr);
% Q7 F( C! T% B0 c1 Q8 u SysFreeString(valueStr); @! ^, I6 t5 A4 Q: V* k1 o
) Y" e2 d7 h+ E) T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???
2 Y. r( p: x+ W+ d6 K% G- x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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9 Q( f. d$ z/ G. U& M2.这是request的程序6 G7 E* C9 g/ R2 w6 d( c
// Request a value from Extend; A. _; d8 }8 q7 _; x
//
1 c# V) b* R6 w; Y. Q1 k0 |// Initialize the variant that will hold the BSTR. Set the variant's
4 A. ~4 P1 G& m) x$ E v( |// type flag to indicate the fact that this variant holds a BSTR. Place the2 h' j1 J4 U3 B9 m$ O+ t* F: V
// BSTR into the variant structure.
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0 k m, _4 Y9 V requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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( T% J3 m# d0 c ]% f: M( c itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
! T9 B# o3 t @' w7 {3 I+ B VariantInit(&requestVariant[0]);
9 [4 l/ F8 k+ [$ w1 e! b requestVariant[0].vt = VT_BSTR;0 U$ R6 s0 C0 F% ^& n3 \' c$ u8 h
requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");8 r1 H" N, H: K8 [9 y- r X
VariantInit(&requestVariant[1]); ! h' |- { H0 C9 i& t: d
requestVariant[1].vt = VT_BSTR;
; R* a: H% S5 T6 K/ W* l& T5 F requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;2 C* K: {! h9 {7 z* [+ B
dp2.cArgs = 2;. M9 l- o, r/ _, _* w( d& d
dp2.rgdispidNamedArgs = NULL;9 K4 L, I4 _0 Z' p
dp2.cNamedArgs = 0;9 \2 t7 @% j6 i9 K) n" ]$ U" p; x
- P3 y W5 M5 R" C: r var.vt = VT_EMPTY;! \& T( l$ O5 A+ U" k
% P9 h5 j# X0 E& g// Call IDispatch::Invoke()7 K8 I4 t; p# [
: `+ i# G/ ?4 v; u5 n hr = m_pDisp->Invoke(
# k7 b6 U" u2 ]4 R! E @ requestID,
0 Y3 i0 _6 f7 A: d: h, c0 C IID_NULL,
# F" q' z+ T( d$ {) O9 \; o7 L! u LOCALE_SYSTEM_DEFAULT,; D' X4 Y2 u; x9 }2 l
DISPATCH_METHOD," F8 L7 N. g3 d. `4 ]
&dp2,
$ @. k# }; B; m9 Q9 M &var,
( M5 T* h& d5 B# r &ei,
6 G5 W [: X b3 P. k& P &uiErr);3 x% V3 @9 ^' ^1 b" \- B5 c
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SysFreeString(topicStr);
5 w' P- i/ r( I SysFreeString(itemStr);$ k+ U" ?& V' a, O" @. y3 i& Y
请问该程序是获得extend里面的哪个值?6 P/ ~3 ]; B8 g5 x* ?. f; ~
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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