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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:. }, R! e" u$ W" w' w1 X* L
Name = (WCHAR *) L"Poke";: h% P+ F! z6 U& _# i4 c% u6 p
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hr = m_pDisp->GetIDsOfNames (
' {& H+ c# c' G IID_NULL, // reserved
3 R3 X( e2 B* ]" h [ &Name, // Array of names to get IDs for
& W' a: D" R9 o8 {+ g0 U 1, // # of names in the array$ ~5 Q% G0 L+ f5 N; D, R( i, g+ P
LOCALE_SYSTEM_DEFAULT, // System locale" E( p: M7 o8 F& L
&pokeID); // Array of IDs to fill on output
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" J8 a& e1 X# A( f* ] if (hr)! ]0 N+ E/ d' @- s
{
1 q8 P" U4 l# y8 ~) Z! e7 { MessageBox ("Get Poke Unsuccessful");7 W# L* B5 Z1 H5 x, e
return;, r9 _2 Z$ E$ K4 P& ^
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/**************************传递数据给extend**************************************/
$ a4 G* R: s* n& A pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
1 U/ m$ E+ c( o2 U0 Z0 L 6 y' H, f- J' n5 Z+ T2 p
valueStr = SysAllocString((WCHAR *) L"1232");
) z2 ]' i1 L, |/ U VariantInit(&pokeVariant[0]); * l$ m& ~' M- F' s( t( e6 h7 p2 w: {
pokeVariant[0].vt = VT_BSTR;
: S3 _ f8 ^5 z3 Y' A! i2 q3 v1 G pokeVariant[0].bstrVal = valueStr;8 r! J2 G9 s( W6 l6 u* M8 ~
% b* U8 } E& q1 h/ M3 U5 Q itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); [4 `0 t! Y& y: V P$ v
VariantInit(&pokeVariant[1]); / N! Z# l: ~2 `4 ?- _
pokeVariant[1].vt = VT_BSTR;
7 n/ Y$ b& ]0 D3 H# Q* e: V pokeVariant[1].bstrVal = itemStr;
+ W# D, W; V; M: a! c" v3 {
$ r ^% |- b3 O4 A; n$ P topicStr = SysAllocString((WCHAR *) L"system");4 z8 z9 h3 Z- S" C& ^
VariantInit(&pokeVariant[2]); , Y" O% v% D+ W+ A+ K
pokeVariant[2].vt = VT_BSTR;
/ o! S M3 E. O, @7 t u: c8 U pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.& `! i2 z y; P' k
' }3 T J0 V) g# a dp.rgvarg = pokeVariant;
! R" s& r8 n! m: O dp.cArgs = 3;
|1 C8 G& G; a; A/ `& ~8 ~) S( b dp.rgdispidNamedArgs = NULL;8 J* k' [: A F; R: c8 o8 T2 u* K8 C
dp.cNamedArgs = 0;
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& }9 Y- G, O5 S% h// Call IDispatch::Invoke()+ K6 }! U5 j5 z
2 y5 s8 g0 V) K' ^0 g0 v hr = m_pDisp->Invoke(% A5 V2 \! Y# N2 a+ [! a( N3 K
pokeID,
; J* W* r; V8 k9 E9 z IID_NULL,' v/ |2 p1 z: X# G, B+ O
LOCALE_SYSTEM_DEFAULT,
; }. N: ]" j8 s$ F' W8 R DISPATCH_METHOD,& D' U% \0 t+ I2 S! E# q+ l; F2 ?
&dp,
b, ?) I+ {' b NULL,9 Z1 ], C5 m$ M V' t n
&ei,& h8 E# I/ ^7 C
&uiErr);- @* L7 S" n# v4 M# @' f, q
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SysFreeString(topicStr);4 K9 [& ~ E$ h) H7 H; Y% O. v
SysFreeString(itemStr);
( N& ]2 o# }2 o& s; q3 }& N2 a SysFreeString(valueStr);
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" ]* T( v* R- g: K# X' H% ]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???
9 t1 L1 a, T5 P3 }2 U) Y& E9 M" L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????5 X, e5 K* m4 Q6 n
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& ?! K! J# @% K5 _& S$ }2.这是request的程序/ V- a( p9 D# l. z: [" {" D
// Request a value from Extend4 i* m- L/ n$ V8 ^8 n
//4 ~+ u7 x' Q+ r
// Initialize the variant that will hold the BSTR. Set the variant's2 x$ f1 _, N O8 ^" g S
// type flag to indicate the fact that this variant holds a BSTR. Place the
" D5 h( @3 b* E6 C9 W// BSTR into the variant structure.
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8 G( X H+ c, `, ~$ }* P+ Z requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2); k# Q; N# k; B7 r
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
2 r: I6 R4 l) y# B1 r! J7 d @' w VariantInit(&requestVariant[0]);
: a# o; l; C7 R4 x3 _0 @9 L- V requestVariant[0].vt = VT_BSTR;
; y- n7 F; f+ Z3 q5 W# P0 \ requestVariant[0].bstrVal = itemStr;
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1 w7 B/ x6 K" P topicStr = SysAllocString((WCHAR *) L"system");# @- ~6 M# E- J0 W @: J
VariantInit(&requestVariant[1]); * `& d$ e8 X& x& V6 n' d4 K2 w7 z
requestVariant[1].vt = VT_BSTR;# o( R9 D; b# B0 X* I0 d2 ]- G i
requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.0 t" a2 H: m3 {3 ^ n
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dp2.rgvarg = requestVariant;
. }6 }" z5 C" L2 B a0 z* ~ dp2.cArgs = 2;
6 m* f# J: _( K' o3 u' z dp2.rgdispidNamedArgs = NULL;
* J0 d8 Q+ X7 _( S0 s dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;0 \# V" o* n+ R: B
/ p! z) s/ b8 R// Call IDispatch::Invoke()
* h9 \$ `2 i- q7 u* y% Q" U" J3 ]$ \1 g: {
hr = m_pDisp->Invoke(
! A; [- {; u/ W4 W' g6 P requestID,
/ L; A9 B- u+ R/ I IID_NULL,$ D7 V: K: T; L- s l7 ~
LOCALE_SYSTEM_DEFAULT,
! x1 d7 \" N! W1 a DISPATCH_METHOD,; D9 W) z% y4 F9 M
&dp2,: [1 {4 W$ S; M, ~* j! i1 R m/ [
&var,
`, {/ N1 a6 d% l3 v# y &ei,
' M" D0 ^* y; G0 a8 g5 @ &uiErr);
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3 r* l& B4 \% h0 S C( T% P SysFreeString(topicStr);
6 U+ ?* U, ~, W SysFreeString(itemStr);
7 G# t: S' G. I d4 @8 F请问该程序是获得extend里面的哪个值?# U% I! q' E; W
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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