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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:
, L- u% O# |8 a8 m! `Name = (WCHAR *) L"Poke";
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: a9 _/ o1 t! ?" V) J hr = m_pDisp->GetIDsOfNames (# V$ |8 h- K( ?* n6 Y/ ^
IID_NULL, // reserved* v9 P% B4 ~1 m) y4 L
&Name, // Array of names to get IDs for
$ v% A( }+ d2 {. @ 1, // # of names in the array# }4 g( x0 I; o0 q
LOCALE_SYSTEM_DEFAULT, // System locale
7 n/ [. `, R. k- a4 F( g9 Y &pokeID); // Array of IDs to fill on output4 u# d+ O C0 L8 J4 M
( @2 _) _ K" L) N# X& W if (hr)* S+ \, J: `) V* C8 Q* p! M$ S' x
{
: ^/ H9 \# D1 d! v/ ` MessageBox ("Get Poke Unsuccessful");" i) ?0 d7 n! ~2 @5 L7 J7 e
return;/ a) s9 E6 Q/ u- Q0 k1 a$ ^
}
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+ }1 B* Z5 `6 J: m3 S! r4 D% ?) N/**************************传递数据给extend**************************************/
5 U: Q0 n! i2 A. b9 e4 W! J S/ C pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
5 i# K4 m+ N, @
5 l) @$ i# x6 k r* U valueStr = SysAllocString((WCHAR *) L"1232");/ P" l( Q0 e2 B% h t/ a3 N1 G" W
VariantInit(&pokeVariant[0]);
[2 I! y+ K( X; D, m( C pokeVariant[0].vt = VT_BSTR;0 ~$ J% C' R9 f1 a3 A& |2 ?
pokeVariant[0].bstrVal = valueStr;* E1 G; g) ^9 L" Q0 }9 h
+ }2 i+ _& { x0 l% g$ o/ q9 h { itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
! t3 \5 A) r6 o' O% h: s: Y VariantInit(&pokeVariant[1]); . U+ z: ~( v5 V& m$ d' {/ K
pokeVariant[1].vt = VT_BSTR;, Q [' L- W8 V, V
pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
0 B8 a2 f+ H: s4 R+ [5 i A7 Q VariantInit(&pokeVariant[2]);
) p L, y( G, } pokeVariant[2].vt = VT_BSTR;
1 A& W y3 e; U, } pokeVariant[2].bstrVal = topicStr;
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7 n! j. _7 U, E* _" A; P// Set the DISPPARAMS structure that holds the variant.8 j" b, E3 {1 o5 ~
) _, \1 J" D0 P0 p. S8 s" Y dp.rgvarg = pokeVariant;
: i& ^1 J) r! v7 B) i; A8 \2 l dp.cArgs = 3;# O( q3 G1 g$ C+ ~+ k
dp.rgdispidNamedArgs = NULL;
9 u6 `6 E) ?3 s5 g- H# [ dp.cNamedArgs = 0;2 ^* D, L# y8 d) r
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// Call IDispatch::Invoke()
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$ W5 K3 v; w, j& Y; G7 U( B' a hr = m_pDisp->Invoke(
" ~+ t+ D* ]; O9 f# U/ v* m. a8 X pokeID,
$ E5 q0 E' p3 ?; w. |2 O( F2 u4 K IID_NULL,
1 z+ s; L9 ]+ M+ X LOCALE_SYSTEM_DEFAULT,
8 l1 R+ h0 W; u DISPATCH_METHOD,
0 O) F% H6 N U &dp,
0 E: m! a* [9 V( ?% a NULL,, F0 S, h# o0 V2 s
&ei,3 e9 Y _, q- m# j
&uiErr);" ~) R' A1 V- K- P; M
, `) n2 N# }( C R& U- J- d SysFreeString(topicStr);- ^6 B* B9 w9 W9 G6 I
SysFreeString(itemStr);7 Q+ Z" o9 _7 Q# P4 a* R# s
SysFreeString(valueStr);. X( f0 c% E+ }2 U# Z% }% b7 I
& ]+ J3 g; r- F; \% g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???6 m2 i0 ^, g7 |. j1 u1 y. o
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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8 Z* _8 G/ G+ x [2.这是request的程序
. ~. i- F( a" ], R% ~1 p// Request a value from Extend* c0 z$ c3 N8 g B* U) p0 g! C
//
* L2 k7 |4 U+ ]9 t! S// Initialize the variant that will hold the BSTR. Set the variant's
: U. v2 a/ y/ e# f% V// type flag to indicate the fact that this variant holds a BSTR. Place the
~6 L! y* ^ i" V, z+ f3 C// BSTR into the variant structure.# ~8 q5 P7 K8 z' t0 Q Y* Q
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);0 t& W) X p) Z/ z' |8 H
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
& g1 O5 b& X* O, b0 f VariantInit(&requestVariant[0]);
3 B& Y9 ]6 D: U# v$ q1 t. s0 U requestVariant[0].vt = VT_BSTR;
/ w. `& a3 B8 ^ u' S, T' O requestVariant[0].bstrVal = itemStr;
0 u q9 v, W, i1 w
; l1 X$ [* [# N' ~1 ^4 f X topicStr = SysAllocString((WCHAR *) L"system");
: H4 u1 \3 c* g4 P VariantInit(&requestVariant[1]); + W) Y [) t M. t8 M0 p" p) K, L
requestVariant[1].vt = VT_BSTR;7 B& B* ?% m9 \3 [# J" p3 g8 a, ?/ I
requestVariant[1].bstrVal = topicStr;6 I5 X4 \ f% ^9 v9 a& Z! K5 d" D) F1 f
# }/ i8 M2 q, X. ?# K8 x
// Set the DISPPARAMS structure that holds the variant.
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8 H5 q4 L$ K. l Z7 ^3 U+ J dp2.rgvarg = requestVariant;# F2 R3 P" e, @$ G( o- e* R7 `
dp2.cArgs = 2;
$ J" U* o5 W/ q- B0 \0 S dp2.rgdispidNamedArgs = NULL;& y6 U- P' i1 Y3 P$ ~; {
dp2.cNamedArgs = 0;# f4 h4 ^3 {" D) g
. E i) R! A4 ^; V0 ~; \ var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
. `/ G; c& s w/ p1 K requestID,' f8 t+ U; I8 |8 o
IID_NULL,4 M8 n: F1 c* b( R* h/ V8 W q
LOCALE_SYSTEM_DEFAULT,
8 V5 W- a7 e r E3 I4 K% M DISPATCH_METHOD,4 G* r* g* b1 { {
&dp2,
* P1 i" N- L4 T6 a. O5 O( s5 K &var,0 j7 c; M1 T! b2 W. Q) S
&ei,+ P1 R e$ x- a! r# @
&uiErr);$ o+ Y, k3 ~1 h6 V/ Z4 {* `8 I
/ H9 H+ `4 x- l+ p SysFreeString(topicStr);
( M2 q2 y) t! @+ u5 P$ \ SysFreeString(itemStr);, @& j/ T" L" ^5 z6 W
请问该程序是获得extend里面的哪个值?9 ?, I. ]8 G: t' R5 Y. S
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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