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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:; r8 u2 k, h$ [
Name = (WCHAR *) L"Poke";
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7 `, S5 X* z1 q hr = m_pDisp->GetIDsOfNames (& r% p" S1 N) A B
IID_NULL, // reserved
& t4 T$ h1 a+ H* i ]3 Y &Name, // Array of names to get IDs for% ^( K& T N- G) Z
1, // # of names in the array& [3 u$ a) X0 B
LOCALE_SYSTEM_DEFAULT, // System locale1 {2 d5 r+ R" U+ v/ S
&pokeID); // Array of IDs to fill on output) p+ R& B' q! H+ r
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if (hr)- }+ Z7 y L$ H. M+ M
{
( B4 C' J) M3 Y# h+ W N7 X& U; a MessageBox ("Get Poke Unsuccessful");
+ l# u- p, ^) ^. ^) |2 \- t2 B/ p6 v return;
3 V3 [8 ~# P! p, ^% b% k }
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$ q# d% w( X0 G0 a* d/**************************传递数据给extend**************************************/
. O- y# r# B& D8 F' S; W pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);$ c7 [7 T2 I3 O: u' g8 @' g4 r6 D
+ t- L) ]+ X, R% h0 [& E& b. F valueStr = SysAllocString((WCHAR *) L"1232");
$ b# j) I$ }2 w4 J* n VariantInit(&pokeVariant[0]);
9 _' k( J# }) e6 |1 k pokeVariant[0].vt = VT_BSTR;. q; C1 q/ b" F. T0 D
pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
2 A$ f3 c( s6 ~' C VariantInit(&pokeVariant[1]);
% @: e$ V% I; Y pokeVariant[1].vt = VT_BSTR;
3 I' d3 E- J6 h$ w# i pokeVariant[1].bstrVal = itemStr;
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4 y- p( d$ |( R topicStr = SysAllocString((WCHAR *) L"system");9 U4 _- r6 _; J5 ]/ ?
VariantInit(&pokeVariant[2]); 1 n' x$ H7 \3 S
pokeVariant[2].vt = VT_BSTR;$ R# M! g/ E4 _- X
pokeVariant[2].bstrVal = topicStr;
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" R! ^: ~+ D+ o1 M9 I* e// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;2 H+ e$ i5 D5 v& T f7 b( _! c$ U
dp.cArgs = 3;; o) K5 {; q: M7 Z F4 S
dp.rgdispidNamedArgs = NULL;
; h4 y2 B* j! w% {* g dp.cNamedArgs = 0;) x! ?- |' a; f
* v" P: R1 L p7 \
// Call IDispatch::Invoke()6 k) w( t5 M2 F+ J) y( Y+ h5 T
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hr = m_pDisp->Invoke(
# ?' b" m2 G& r X5 v! h5 U" g pokeID,6 n: B! L2 a: p$ U9 r+ G" E
IID_NULL,
' } U' ^$ X7 X0 e LOCALE_SYSTEM_DEFAULT,
9 }) H+ J2 m; c. S4 ^ DISPATCH_METHOD,5 u6 t8 R) u |& w' I% a
&dp, i% A) @. R4 S% m
NULL,6 E6 |- ?3 D8 ?- e6 A9 J& j
&ei,
& E" [$ k( T+ a2 A% L( @$ _- d4 F: ^ &uiErr);
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# v; Z, d' S, J SysFreeString(topicStr);
" n/ Y4 H' V" ^/ o: K7 ?$ ~# \( {/ w SysFreeString(itemStr);: x8 b r2 F# E7 {- E* D
SysFreeString(valueStr);
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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???# k% X( }( _! p- t9 k
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2 X" {$ u; r) n! b
// Request a value from Extend
9 p4 k M* ?7 N/ E$ ^2 B//
6 N( M4 d) p* L// Initialize the variant that will hold the BSTR. Set the variant's) }/ N7 c! v! G" i, y* U
// type flag to indicate the fact that this variant holds a BSTR. Place the
1 p3 D- Y, p) l8 S. v+ t* Z/ f! n& g// BSTR into the variant structure.) x/ H2 Z2 }7 L' c( Y. F Z
% y1 A/ W, Y7 E( z requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);9 g1 f- Y7 y# b3 ~( ~4 u
5 Q5 k5 O$ v. K5 r; ] l9 U$ ? itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
/ v7 {% f1 Y: B VariantInit(&requestVariant[0]); 7 l# j i/ g% D
requestVariant[0].vt = VT_BSTR;0 h0 f# }4 r2 J/ m5 Q- H W/ i
requestVariant[0].bstrVal = itemStr;- [! h* _' q+ y. P3 N8 ~. `( U
! H$ K% _* T" u- c; Y$ G4 g2 | topicStr = SysAllocString((WCHAR *) L"system");! M6 O1 Q" Z- x/ j0 {8 t3 H
VariantInit(&requestVariant[1]);
% a+ H; o4 s& v; y9 m ] requestVariant[1].vt = VT_BSTR;
" D6 B/ O9 `" i requestVariant[1].bstrVal = topicStr;
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9 {% O1 |0 \2 D) d( [& ^// Set the DISPPARAMS structure that holds the variant.5 r( V3 ~2 I8 j8 `
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dp2.rgvarg = requestVariant;
$ E! u- s5 ?7 g- K/ i( H- F% T dp2.cArgs = 2;
7 A/ b+ t1 x0 r/ V5 Q dp2.rgdispidNamedArgs = NULL;
! n2 v- ~. ]* l1 g dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;
K4 F$ I- i* R0 k
0 d; X' y. s0 p; j& y// Call IDispatch::Invoke()) P3 [! Z( G& k8 Q* b( A
6 n, p) Z3 R' e+ d, D hr = m_pDisp->Invoke(. V4 ^, D$ _0 E3 M
requestID,7 E# T2 v& J. h- R- h8 t
IID_NULL,
& I$ u* I5 V) u) B LOCALE_SYSTEM_DEFAULT,
' j/ x$ r" \3 G& B8 B DISPATCH_METHOD,& U& p3 d* u( k/ j) r1 x
&dp2,
6 t9 @! ~5 g" b5 V! y! X% V& b &var,+ m# D+ g& i+ q! C O% ]' B
&ei,
4 t9 {. ?# t) t: a &uiErr);4 z: F8 v0 Y3 \& ~% D0 A X
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SysFreeString(topicStr);
- f7 v3 G$ ^* o5 ]- U SysFreeString(itemStr);! R- C, A) M" a: M6 a
请问该程序是获得extend里面的哪个值?
# `" h: w I" ~: L- _0 g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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