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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:
8 @! e5 h" e/ h3 U% U4 iName = (WCHAR *) L"Poke";3 t0 x3 x7 A+ R
2 @$ Q, m" r0 V' ~7 o2 p W hr = m_pDisp->GetIDsOfNames (
x% X5 x9 D }8 q5 C% f IID_NULL, // reserved
1 Y# h0 I& }' R. [4 Q &Name, // Array of names to get IDs for
9 I4 p2 ~$ S, [: ] 1, // # of names in the array4 m! F' j) V4 ?6 v
LOCALE_SYSTEM_DEFAULT, // System locale5 V+ q) H+ K) {! n7 ^* k
&pokeID); // Array of IDs to fill on output
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" D! g' y7 D9 e' P! R$ {# F if (hr)0 U5 S/ b5 o( e. z8 R) S
{3 Y" G) p6 g! [: N* O% [/ Y/ X; _
MessageBox ("Get Poke Unsuccessful");
! j6 {( }6 ]0 j( z" k; c return;8 z3 d; k% @$ C
}
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' q, J) k, G) Z. X/**************************传递数据给extend**************************************/
8 Z ~9 [8 v4 V' J$ U2 d" I( P8 n+ w pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");
+ P5 w( _. C! g- j: ] VariantInit(&pokeVariant[0]); 9 X# g- f5 k+ G
pokeVariant[0].vt = VT_BSTR;
; a9 j% T# J" R4 f+ l0 W pokeVariant[0].bstrVal = valueStr;& W' J8 O, K. C/ @& \
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");! N. K( ~) N v* U6 d- O3 T
VariantInit(&pokeVariant[1]); 3 I/ F9 @! z6 s
pokeVariant[1].vt = VT_BSTR;; o, }# _9 A% c: T5 B# V2 @3 q2 S
pokeVariant[1].bstrVal = itemStr;5 h4 @! {9 c6 Y4 v: L7 G7 i
) X8 S6 e1 R% k+ }- G" q topicStr = SysAllocString((WCHAR *) L"system");4 |: x3 S; `. k
VariantInit(&pokeVariant[2]);
3 ?8 }9 F. i) f- \ pokeVariant[2].vt = VT_BSTR;
1 W. _8 z" k8 x$ d- \) v) W* U pokeVariant[2].bstrVal = topicStr;2 V' f, Q4 h$ a5 ~( R
. t7 X% @- w6 H. Z// Set the DISPPARAMS structure that holds the variant.
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' k A4 V f1 {5 p+ N5 w dp.rgvarg = pokeVariant;! i) s" S; |( L/ t
dp.cArgs = 3;
' | _) n' [3 r+ O' i dp.rgdispidNamedArgs = NULL;! } g+ a# T* y0 f# Y) s
dp.cNamedArgs = 0;8 y# K3 ]! x6 q3 p8 r' [
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(5 |; l* f o2 M
pokeID,
/ q$ k+ F6 Q7 G5 `/ U+ P6 P* p" Q) o4 ? IID_NULL,
0 x: w# J5 Q! W2 M2 D LOCALE_SYSTEM_DEFAULT,- I6 u ]- v5 v, A) V
DISPATCH_METHOD,. w; X# q; Y. _$ g6 Z
&dp,8 u5 s. p( {4 E1 p+ V" ~
NULL,) S4 Z! ^/ m4 N3 j; _
&ei,
e3 r8 W M$ @4 k# O &uiErr);' a: N( X& ^" k% H" T$ O
7 d8 O, k; Y, r( u" C SysFreeString(topicStr);2 T6 U* L) |" M) I
SysFreeString(itemStr);
6 ~+ ]' o# `7 {: q7 Y" E- Q0 y9 ] SysFreeString(valueStr);
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* O8 q+ d( P; ]3 d3 \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???( A4 C- n1 B( B/ p
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???? h' I) j K& M0 E" C" {% d
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- q2 Q( ], \) n. P2.这是request的程序
+ g' ]& Z7 w1 h1 v1 [// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's
( r' a; K( n4 L* i! D f% U// type flag to indicate the fact that this variant holds a BSTR. Place the
0 y3 q) ^2 U6 l& D// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);- s3 U, L- v/ v( z/ R$ m
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");: `* O; d2 @+ K- c$ ~
VariantInit(&requestVariant[0]); : b" Q/ Z; T6 V [$ G/ a
requestVariant[0].vt = VT_BSTR;
3 b# H0 S9 t: A% D3 l) J6 P requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");/ t* r7 x! h! B& U( F" b/ [. O
VariantInit(&requestVariant[1]);
' | Q) q; P! Y requestVariant[1].vt = VT_BSTR;9 h$ J0 d( K, W7 M+ J
requestVariant[1].bstrVal = topicStr;- \% F. g+ E! T
0 P+ h6 u5 D: n! t' a8 o+ }// Set the DISPPARAMS structure that holds the variant.3 R! K) c8 a' h7 n0 _
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dp2.rgvarg = requestVariant;9 b, z$ a R7 a7 M
dp2.cArgs = 2;: C0 F7 L0 S9 h8 [3 W; f
dp2.rgdispidNamedArgs = NULL;. J# C1 e! p9 Z: R0 a( B7 V# o- m
dp2.cNamedArgs = 0;3 c& ^3 ?, B- Q- h; P
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var.vt = VT_EMPTY;; ^0 o0 z8 w3 O' @
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke() {6 ^6 v/ F/ J+ T
requestID,: E# t6 o" i/ G; {; S
IID_NULL,
( J# q. _4 g3 d+ Z |6 T$ k LOCALE_SYSTEM_DEFAULT,' y" v% o) E* Z* P9 C, D
DISPATCH_METHOD, V0 q+ O m$ j, F, E+ j# w$ u$ A
&dp2,
8 M5 j% N S" ` ^ &var,
2 {8 ~/ Z' G8 D* G% u &ei,! ^2 `( \3 P" B+ j8 H
&uiErr);+ k: e- V/ S- V- }: s
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SysFreeString(topicStr);
9 F) F& z# w( Q SysFreeString(itemStr);( B* }2 I B4 u% u! m
请问该程序是获得extend里面的哪个值?
3 ^2 d2 Q; q9 t; m7 z; u. T6 I o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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