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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:
- S: z ~2 @# S# q2 I- g3 q! v& HName = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (
) @3 a$ Z3 }4 T IID_NULL, // reserved @9 c. l! F4 l& y" U7 V
&Name, // Array of names to get IDs for" b8 L/ u5 K' \. M' @- q. p' |
1, // # of names in the array& I& _' \% n" C% r# p: ?
LOCALE_SYSTEM_DEFAULT, // System locale
f+ K' k! C: s" J( r5 t# ` &pokeID); // Array of IDs to fill on output
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5 u/ @4 ?. i7 x1 ~* K if (hr) @3 \) p, l: p$ X
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MessageBox ("Get Poke Unsuccessful");
w5 N. `$ v" O return;7 [1 B) Q. T+ u+ f" `
}
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. F/ K6 N% z) z( m2 E; m/**************************传递数据给extend**************************************/+ T+ ^; z1 o- F4 f, T
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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- v" d( C k6 w4 G5 Q2 a7 ?2 b valueStr = SysAllocString((WCHAR *) L"1232");7 v! f1 X J! y0 _) x
VariantInit(&pokeVariant[0]); + Z) W5 d" @: N+ i) p. v
pokeVariant[0].vt = VT_BSTR;2 i0 ^" V. m$ r1 \ v
pokeVariant[0].bstrVal = valueStr;
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$ S: {) h; P5 j5 `# k: h; C+ _ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
; I$ K) P5 {% S( o$ E VariantInit(&pokeVariant[1]); ) r" s( c4 ^, ~ G7 g, ]# ^
pokeVariant[1].vt = VT_BSTR;7 m/ z9 r: A- q
pokeVariant[1].bstrVal = itemStr;9 H* ?, T7 X0 V0 s) A ]
j& d# @4 r' k8 T topicStr = SysAllocString((WCHAR *) L"system");, V0 D) R+ t0 @+ z. N8 y, ?+ O
VariantInit(&pokeVariant[2]); d2 V: L; Q0 e- s) {: F0 U- Y
pokeVariant[2].vt = VT_BSTR;
- J5 M, k7 y+ I pokeVariant[2].bstrVal = topicStr;1 G# p$ e& ~; c
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// Set the DISPPARAMS structure that holds the variant.
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! j+ V! b) r! z dp.rgvarg = pokeVariant;
9 o& [6 @9 k! m3 h' p- `- ^ dp.cArgs = 3;! k; D/ R3 @0 \- [7 N+ v
dp.rgdispidNamedArgs = NULL;- b6 O+ @ ~7 Z; w
dp.cNamedArgs = 0;
3 \: w1 ` `. C3 y" i. \2 E) d
6 r' r% `# ^5 w8 w4 [' H4 u% I// Call IDispatch::Invoke()! G: \+ S' ]5 v3 f9 l# G- `) p9 E
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hr = m_pDisp->Invoke(
+ |4 M& S2 s- @( s pokeID,) E2 s( }( t3 m" _. s5 \ z5 F1 B: L# s
IID_NULL,
% }- u8 V0 t) d/ f5 j1 Z C LOCALE_SYSTEM_DEFAULT,
' W- X. t5 ?* `2 h/ L5 F DISPATCH_METHOD,$ ^: U# B$ \4 v% g( R; [& Y
&dp,8 K: m) C# x1 e0 f @. r
NULL, I$ O5 {* N$ @; v
&ei,
/ s( H/ M4 |8 m &uiErr);
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) `/ c6 x) |; h$ K8 Y8 Q SysFreeString(topicStr);" b/ r% ]" O, [
SysFreeString(itemStr);: X4 R. a2 r0 f6 {9 O- U7 E: t
SysFreeString(valueStr);
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: @+ _" x1 a0 D2 |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???0 u x) I6 ?+ _% j) e5 O
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
. @, ?: V2 F% K1 X// Request a value from Extend
+ D; j) X5 U3 B& E6 v4 Z//
9 }2 {3 c- t" c5 X" Y$ n// Initialize the variant that will hold the BSTR. Set the variant's0 J$ Z/ L1 d( E' [/ w/ G: u+ F/ i
// type flag to indicate the fact that this variant holds a BSTR. Place the
+ j3 Q7 f/ A; f, r// BSTR into the variant structure., I& N& M5 X! L
' R) O" G. s4 K% m requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
$ N: s+ m3 q3 O9 q6 {$ r VariantInit(&requestVariant[0]); - s! J$ `& w$ }" J9 L
requestVariant[0].vt = VT_BSTR;
6 d5 R- b( o3 \1 p2 M+ Q requestVariant[0].bstrVal = itemStr;
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! R* B- f+ p+ L5 j topicStr = SysAllocString((WCHAR *) L"system");
8 G. o( _! F7 L$ o# I W VariantInit(&requestVariant[1]); + F& m( C/ t9 U& z
requestVariant[1].vt = VT_BSTR;
0 u* _: V( O; m: l) g! t2 J% c requestVariant[1].bstrVal = topicStr;7 p7 C. e$ Q i s) x9 L, ?; y
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// Set the DISPPARAMS structure that holds the variant.+ a6 B3 h7 K6 P n9 \9 ?
* q& q1 ?7 Q7 m$ ~/ J V dp2.rgvarg = requestVariant;) I- q+ P% n' I0 o7 X
dp2.cArgs = 2;
( I* k' p! h [; y& B6 S dp2.rgdispidNamedArgs = NULL;2 h* ?, T% d+ m* O. K% Y+ p
dp2.cNamedArgs = 0;$ y/ n% c- y% i. X! f8 q4 Y
" t8 \* r$ P: @9 Z9 ?6 ]9 o var.vt = VT_EMPTY;) R2 A9 g" ?( b
8 ]! d u' x) w! ?* g+ a6 z3 R// Call IDispatch::Invoke()0 e( N/ I" W) ~! U0 Q1 a
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hr = m_pDisp->Invoke(
7 m/ E8 k2 ^ }3 q- |0 c) @3 ~8 K requestID,
- w5 k( a! J. X- x) S IID_NULL,
* N$ r+ ]% d' S P4 j0 @7 L2 V1 ~ LOCALE_SYSTEM_DEFAULT,
! ?6 c& x) b1 C1 F4 S DISPATCH_METHOD,% w; Z2 T: |7 b' D1 V' ~
&dp2,' W4 B( l/ ^' ~' ?$ w! P
&var,
+ G% o0 }6 ^- | {4 c &ei,
# J+ X+ T, w- I% @! k6 T &uiErr);
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) G$ s7 Q8 |/ V7 U1 _, @ SysFreeString(topicStr);3 A# [0 Z* \1 k; s. y6 R2 s4 u, K6 a
SysFreeString(itemStr);" f! t' w! s" ~) a2 x A! B
请问该程序是获得extend里面的哪个值?
! ]& ~ N/ e) l& K: z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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