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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:' K! [$ w3 _2 _3 b# y8 [
Name = (WCHAR *) L"Poke";
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4 Z0 f& J) O e' a7 I- r hr = m_pDisp->GetIDsOfNames (- S' V8 F4 \! R( m- @
IID_NULL, // reserved
# G2 M- a9 Q% y6 Y! i &Name, // Array of names to get IDs for9 U7 L8 X8 _6 e1 v
1, // # of names in the array. m0 V c1 y/ G
LOCALE_SYSTEM_DEFAULT, // System locale
: P, Y6 }& H1 c &pokeID); // Array of IDs to fill on output8 J5 l0 {# d/ U
, t8 _) T' ^; U' K6 n m( q {
if (hr)
% D. _3 p9 P+ g9 J% \9 j( n {
5 a- J7 U2 T5 L& W% C" W MessageBox ("Get Poke Unsuccessful");
) U/ X; h/ R, `: x+ Z2 F return;9 s. U2 |, I6 V& O: @
}4 }1 B) c0 A" ?5 y( J1 o* ^
/ `0 p1 E {; F( Z6 |/**************************传递数据给extend**************************************/0 i+ k- D! I! ^! d$ {2 M: V6 q
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
+ }% X: d% P0 _; w- R ( N" ]% R/ F2 G5 S' R
valueStr = SysAllocString((WCHAR *) L"1232");1 u5 G- k0 M* p% D
VariantInit(&pokeVariant[0]); 7 m! ]) }) B( O( L
pokeVariant[0].vt = VT_BSTR;% O$ S' p* _; y
pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
7 F& f; p( _5 Q' y# k VariantInit(&pokeVariant[1]); ; g' G! j [4 Y. w! z
pokeVariant[1].vt = VT_BSTR;
; }# ]4 _3 \1 e) P$ p( W; Q) o pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
8 i# e6 A3 h7 f VariantInit(&pokeVariant[2]);
: P$ T& R5 Q% |0 p* p pokeVariant[2].vt = VT_BSTR;
7 D& _2 k% O( o; I: M pokeVariant[2].bstrVal = topicStr;6 q+ ~5 r& Q4 {+ j
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// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
4 V8 s$ u( h" n- E3 z8 a e dp.cArgs = 3;, V! x8 T2 ?( [2 L4 h3 Z
dp.rgdispidNamedArgs = NULL;1 @2 i8 U, z) U7 K) v4 U
dp.cNamedArgs = 0;
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/ u s1 {1 m U. Q! [// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
- n# D8 ]' l; t( t3 a8 e0 E pokeID,5 o+ q7 V/ z- W4 \
IID_NULL,5 A( L' z! B/ ~( W9 @
LOCALE_SYSTEM_DEFAULT,& X9 p$ k c+ `$ n- H3 Z. D
DISPATCH_METHOD,
+ p# \7 S4 W8 K% Z4 g &dp,
, a1 u0 V" m8 V- ^$ V8 |1 b9 k NULL,
; ]- K% z, q, k z1 t4 { &ei,! `5 {: [$ l3 \% b. v; O4 k- ^
&uiErr);
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7 M' p" K4 a( r* ~" P" q- G SysFreeString(topicStr);
4 o E- a; R w$ V1 U, y& K$ ^ SysFreeString(itemStr);
9 d+ R" L6 Q- u6 K SysFreeString(valueStr);2 u5 [: y% ?. ]. }- y
E, d" F6 V5 j
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 q4 p; v. V0 u' W8 h+ h4 H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
# J( V, ~- ~5 v0 A// Request a value from Extend
4 s; r* b5 a: n! b$ t# c//
3 e# i: D8 _+ F! ^/ ~) L// Initialize the variant that will hold the BSTR. Set the variant's
" F2 n5 l- u) M6 o# v3 O2 N// type flag to indicate the fact that this variant holds a BSTR. Place the% a1 c* O2 o4 p9 X
// BSTR into the variant structure.. C; }9 j! C6 q4 B8 {1 x4 ]: N
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");4 k, k6 d4 L! ?) W/ A
VariantInit(&requestVariant[0]); + y) N C y9 V! e. C
requestVariant[0].vt = VT_BSTR;
% |' n& k. B! J: D R$ v6 M3 S requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
7 W! u) J* c; z9 f$ f VariantInit(&requestVariant[1]);
5 `) ^3 d6 R; v) N1 Q. y requestVariant[1].vt = VT_BSTR;
) h- z) W5 ~: Y0 T; @ requestVariant[1].bstrVal = topicStr;
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8 B6 h. Z" h6 w8 d# w// Set the DISPPARAMS structure that holds the variant.* a3 r# N+ J$ Q/ p# h' J
+ Q/ u' K/ O# @/ B! T2 { dp2.rgvarg = requestVariant;
$ f* h- d$ W# V5 f* C7 n, w3 j$ t dp2.cArgs = 2;5 f" c- S1 G& Y3 T& T7 v
dp2.rgdispidNamedArgs = NULL; ]- h$ v8 \" M0 B/ R1 L
dp2.cNamedArgs = 0;3 }+ Z7 ?" B" G7 M7 t
% P ~* \; m9 v0 u
var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()" {7 [, ]. t% [5 T9 B! J/ p2 r2 c w
/ Z% v: C5 s- `5 T- w6 j hr = m_pDisp->Invoke(% q+ Z7 J n! U
requestID,
' Y# Z! S! z8 u: } w% L5 Z( \ IID_NULL,
. K8 U- s- C& |4 i P LOCALE_SYSTEM_DEFAULT,
9 [7 Q8 P0 n! P% r& T, E DISPATCH_METHOD,/ B% ]) ` }) R# t6 \0 ?* h3 F, Q; {
&dp2,! _ g) D {9 _! _
&var,
3 k% o/ X8 E k/ _) \ &ei,
. G1 a; B2 W$ U- |7 s &uiErr);
% H) k" c4 v% E
0 t: q. o+ S2 I" Y SysFreeString(topicStr);
' p' X0 Z3 q) f+ m* j9 l SysFreeString(itemStr);3 G* V) ~/ L5 U; j' l$ V7 r$ R& ^
请问该程序是获得extend里面的哪个值?$ `, }) l( f6 t: C; D+ w3 c
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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