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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:
# U7 ^2 n& Q7 M# A: R7 qName = (WCHAR *) L"Poke";
; T$ ^- B# `1 q/ M) r, f j' |' Q 5 P7 R' A1 Y9 E0 n; t1 Z8 J, g
hr = m_pDisp->GetIDsOfNames ($ S6 [& H! [3 E9 C; y' X# r
IID_NULL, // reserved& w' }) i! {7 A3 c6 H
&Name, // Array of names to get IDs for" {; ]+ G: }" s& j+ z
1, // # of names in the array V% m5 C+ @4 R
LOCALE_SYSTEM_DEFAULT, // System locale
$ F. ]- g# m$ ^3 I &pokeID); // Array of IDs to fill on output
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if (hr)
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MessageBox ("Get Poke Unsuccessful");% B X; I. I; Y( Z4 f4 B
return;
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/**************************传递数据给extend**************************************/3 y* T4 M9 r* u1 C8 |
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);/ O# _; `5 P# }, j1 b5 z) b0 \1 ^5 t# F3 p
/ B2 z1 D7 f4 ], L0 @
valueStr = SysAllocString((WCHAR *) L"1232");; }8 a6 d. ~, ]6 Y3 Q( B
VariantInit(&pokeVariant[0]); 3 w7 ^; T: Y5 j* ~+ f+ X
pokeVariant[0].vt = VT_BSTR;- d7 I' \+ A( C5 F
pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");, M( m9 R' h$ k/ ~
VariantInit(&pokeVariant[1]); ) k8 k" a4 Z+ G$ C$ ?8 H& [$ T8 [ o0 X
pokeVariant[1].vt = VT_BSTR;
+ |6 Y2 V3 d1 o: b, X pokeVariant[1].bstrVal = itemStr;! d" J& K2 R8 H7 \
# o. U. |: P' o: `" s' j) O1 Z2 t
topicStr = SysAllocString((WCHAR *) L"system");0 ]# s4 ~; F) }" W9 e: W8 v; x
VariantInit(&pokeVariant[2]); m i: }5 i* `* d3 o
pokeVariant[2].vt = VT_BSTR;
# E. `, u- S1 @) u/ t pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.6 c3 j/ l1 N( ?
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dp.rgvarg = pokeVariant;
/ h3 B3 I! `: x) K& A, q x" N dp.cArgs = 3;
+ Z! R, N/ v, P1 e dp.rgdispidNamedArgs = NULL;
8 b, F1 j8 f) h; l9 U6 o" w dp.cNamedArgs = 0;" R: j! a9 R! `- D# |3 w+ @7 r
# ^3 @5 a0 T Y2 K
// Call IDispatch::Invoke()+ x% r: E5 ]/ L7 Q) h
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hr = m_pDisp->Invoke(; u! j. f8 ?) X2 M6 `
pokeID,
. A6 `# L5 W% u8 p1 ?! c& V IID_NULL,& ~1 P- D* G+ F4 a! R
LOCALE_SYSTEM_DEFAULT,
! H+ K+ }0 \! G; y DISPATCH_METHOD,
5 _' V7 N0 a4 p2 p6 e# E& g &dp,
1 ?/ |' F1 g$ h4 b NULL,, h" p) U3 t. r0 Y# |8 j5 Q; m
&ei,! t* l9 ]5 N5 u3 m. l4 N
&uiErr);
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SysFreeString(topicStr);
1 C2 n+ Q9 X- \! G- T& i' D* S SysFreeString(itemStr);
5 H6 m _/ `7 G SysFreeString(valueStr);$ G3 z$ T' Q p) n( _- l$ n
: y" E# Z$ A7 Y# q
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???
, t) |1 j" b7 [, e. q1 `% A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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2.这是request的程序
* t( M- L5 @4 p0 n# C1 P& o8 i// Request a value from Extend- ]* j+ O3 L( `0 ?' _+ n# M1 M
//
1 h; A1 J% U: g" i// Initialize the variant that will hold the BSTR. Set the variant's
6 Z+ J+ c& i5 O# Q( r// type flag to indicate the fact that this variant holds a BSTR. Place the7 m( T) _4 B' ~: p) \/ y
// BSTR into the variant structure.* D; C- }/ Q2 o: o6 u0 @& z5 l2 e
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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" E5 H9 l. f1 @+ ~ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");& w9 L7 @- m- X4 V, o( s
VariantInit(&requestVariant[0]);
4 L. u8 l9 o& u, A+ R( g requestVariant[0].vt = VT_BSTR;
+ A4 ~/ g) q7 X% Y7 n/ f requestVariant[0].bstrVal = itemStr;2 ]1 ^( \& L2 S/ A: x% t2 c
+ {% f- ]) G4 v' _0 @- A topicStr = SysAllocString((WCHAR *) L"system");
) |2 i- w8 ~( I# h/ f VariantInit(&requestVariant[1]);
+ d; m' R2 u# h; D5 Q: m* Q requestVariant[1].vt = VT_BSTR;- b: m" f+ i3 r" L1 O! |
requestVariant[1].bstrVal = topicStr;% [& L; P- D/ S! x6 j" Z( B
- a9 r4 z+ g1 z V6 I' }
// Set the DISPPARAMS structure that holds the variant.6 K7 d, D! f4 i3 l. q$ E; ^8 h
b# X! s' T% c8 t dp2.rgvarg = requestVariant;# n# n$ X) F! C6 m5 {
dp2.cArgs = 2;
; u; ]+ b/ Q( V" X, C* G dp2.rgdispidNamedArgs = NULL;$ _% |% F+ y* e$ x
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;
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! i6 I& D( \; [, W// Call IDispatch::Invoke()7 n3 T) Q3 J& [* |5 q
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hr = m_pDisp->Invoke(8 b( @! N" h6 p! N4 |" J/ W V- E! t
requestID,( Z# d9 X7 K4 I' K
IID_NULL,
z' B/ d g) q0 ^3 ^8 K+ ^ LOCALE_SYSTEM_DEFAULT,
" `" i0 D6 w4 b1 d( B0 e DISPATCH_METHOD,
2 V8 u) U( D3 ~4 _ &dp2,0 ~% ], B. R. |2 w/ w7 p
&var,. _! q2 S4 |* s% W8 u$ X) `$ }2 d
&ei,% Y! q. l$ u$ u
&uiErr);) J O3 G3 H4 v; ]
+ @) @ N4 d7 F1 F Y9 Q SysFreeString(topicStr);
- X, t* v$ g, ~5 A SysFreeString(itemStr);" N [7 R" S& k$ c# d5 d8 r5 u7 B
请问该程序是获得extend里面的哪个值?
- g3 c# q( Q# P, ^" x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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