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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:
6 z0 ]) x7 n; h) N2 u9 N; nName = (WCHAR *) L"Poke";
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4 j+ j8 ? i) K6 J9 M) a% R hr = m_pDisp->GetIDsOfNames (2 o" t5 g; f, n- |9 C
IID_NULL, // reserved
; |3 Q. h! A+ b, g$ m &Name, // Array of names to get IDs for+ p; f* m- K4 Y; z2 l
1, // # of names in the array/ W% ~) |; s" K+ V
LOCALE_SYSTEM_DEFAULT, // System locale, T% O/ }! E8 d1 F) x% A7 z
&pokeID); // Array of IDs to fill on output8 c, ]9 \" C! h) w0 d4 f
+ H* f: \% Q1 Z0 z" T% v7 W" v' h if (hr)
+ C" S4 j$ l0 t G8 h! w {
/ D8 X7 ?, F0 n8 A MessageBox ("Get Poke Unsuccessful");
6 u! ~& ^3 u, r, k8 p" _0 E9 i7 f0 F return;
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' ~( r3 W i `1 ]/**************************传递数据给extend**************************************/
# w& G; L" D9 i, X pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);# o- `! f3 D: M3 ?" N! c# B
k/ q" R$ e( X9 }' M valueStr = SysAllocString((WCHAR *) L"1232"); D) H' h7 U* z- I3 S1 m
VariantInit(&pokeVariant[0]); : q# i# X! A# l! n
pokeVariant[0].vt = VT_BSTR;
! t, j- ?8 p3 a/ r3 ~( k% H pokeVariant[0].bstrVal = valueStr;
( l9 t9 Y5 O1 e5 }
; S* m+ B; [7 A/ N itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
% A$ M& q) b- e- N4 d9 k, s, o VariantInit(&pokeVariant[1]); E7 f' F; M0 E( @- l8 N
pokeVariant[1].vt = VT_BSTR;+ S/ N, r s1 j
pokeVariant[1].bstrVal = itemStr;- }4 r; g1 c$ g; p
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topicStr = SysAllocString((WCHAR *) L"system");
3 w9 Q. }# `& y v VariantInit(&pokeVariant[2]); 6 r4 V! M+ C4 l, ^1 H1 U
pokeVariant[2].vt = VT_BSTR;$ e. O! g% h* m
pokeVariant[2].bstrVal = topicStr;; R W' \- ^1 A, j/ D
' C0 I9 B( F* G' K// Set the DISPPARAMS structure that holds the variant.: P1 D: @& {' J" I) O- h5 c
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dp.rgvarg = pokeVariant;
2 ^8 z7 u! H D; l8 u& z dp.cArgs = 3;" x& T% M ~3 v; y' Y' h' v
dp.rgdispidNamedArgs = NULL;/ r! S0 E' g6 w3 G9 E6 j
dp.cNamedArgs = 0; h, m" o; ^( C; O$ s
& d, N- ` l# p# b/ i. Q// Call IDispatch::Invoke()
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" b2 ]7 |. d1 _ hr = m_pDisp->Invoke(
. V" C+ p5 `5 Y1 Y- I* k+ @ pokeID,5 q3 L' v2 e: E
IID_NULL,
3 L4 f' w c) S! z LOCALE_SYSTEM_DEFAULT,4 }5 _* ~9 O6 }
DISPATCH_METHOD,# {. m/ R% c3 v+ v
&dp,: ^8 Z- {+ v+ a+ @2 g r: ]; S) b0 `
NULL,+ {( {/ r0 k0 C
&ei,9 u6 I0 M5 Z( h9 Q; e
&uiErr);
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SysFreeString(topicStr);7 ^( d* \$ ?& {( P' H8 k3 q3 D$ B) J
SysFreeString(itemStr);8 e- c% _" v4 i! Q _* H& }8 `
SysFreeString(valueStr);
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! j/ f9 k/ i" U+ N6 B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???- Y( ]7 `$ K$ V0 C @# @
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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9 N. g5 P3 B8 [) r4 b2.这是request的程序' e% n$ n) A3 Q# Y3 [; a3 u
// Request a value from Extend- t# v7 K" Q- c/ Z7 B
//
9 I6 r. }- _4 F" l+ C// Initialize the variant that will hold the BSTR. Set the variant's
. Y( H$ }- N6 G/ A: g) d% r% B// type flag to indicate the fact that this variant holds a BSTR. Place the$ J% Y% E# l# K% c* H! D; U$ c
// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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1 {1 [# z' s( L3 v ?/ v5 o itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
9 v4 T5 k* U+ w' {) x) s6 i VariantInit(&requestVariant[0]); % U9 `* O, a+ o; A
requestVariant[0].vt = VT_BSTR;
, r) s2 z8 T' W% l2 x requestVariant[0].bstrVal = itemStr;; W1 S- N1 x: F* K, A0 [8 }
H+ R5 s- [6 k& _' x
topicStr = SysAllocString((WCHAR *) L"system");
3 @& u; y( Q6 c/ E! H A' c; |2 f VariantInit(&requestVariant[1]);
9 m: g( T5 ?( P' S9 @4 i requestVariant[1].vt = VT_BSTR;! t; v8 j2 j4 H v5 R6 j
requestVariant[1].bstrVal = topicStr;' K7 j1 x, I8 y6 M! U% P+ }
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// Set the DISPPARAMS structure that holds the variant.( ?+ P7 b& j; Z
' ^- S, o/ G( g
dp2.rgvarg = requestVariant; y5 g2 |/ D1 J
dp2.cArgs = 2;" u" |; J; J7 _3 A2 E+ t! ?+ X& L- \3 [
dp2.rgdispidNamedArgs = NULL;
/ d. U V: J: s' n }9 G* K dp2.cNamedArgs = 0;6 ^: i% O1 W( U. x% I
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var.vt = VT_EMPTY;0 C7 F# H* ^+ f0 l: L- p( P5 [
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// Call IDispatch::Invoke()0 r6 E! a3 r+ F2 j; V! y
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hr = m_pDisp->Invoke(. \: b+ L4 Q# B+ W4 L( `, u
requestID,
. S9 D- q- t6 `: k! b IID_NULL,) G; g9 g& _. s( h, R, l
LOCALE_SYSTEM_DEFAULT,
( J6 \' n" z' R; S+ g4 n DISPATCH_METHOD,- e# e. n9 u) c, m9 F" `; R1 G
&dp2," m' S# Q+ s& v4 k# U
&var,
7 n3 V' }) z3 c) h: c% v5 r &ei,) T8 O' E, y/ B; K* M% R
&uiErr);( K0 m6 X# O! k: o& D
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SysFreeString(topicStr);1 S- S0 N' L. m% T0 n2 r
SysFreeString(itemStr);
& S! N( M8 r2 z, E4 b请问该程序是获得extend里面的哪个值?
3 o2 Z8 d; N) ^! m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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