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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. N1 \! X/ i' vName = (WCHAR *) L"Poke";
/ T: w% t1 y- _+ h% z V ' o+ V0 C: C1 z5 r5 k# Z! H) T
hr = m_pDisp->GetIDsOfNames (
) m }- ]5 S' P! |. |+ V IID_NULL, // reserved
9 _9 J3 t+ q4 r$ }6 Q% P" z* s9 i &Name, // Array of names to get IDs for' e' W w+ V% _- J# v9 f
1, // # of names in the array3 u# Z3 M( B6 c% ^% y0 \
LOCALE_SYSTEM_DEFAULT, // System locale
. E; c4 D* L8 c# P# l& M& u3 W &pokeID); // Array of IDs to fill on output" i. `" ~8 u% n
7 Z$ k/ @' i- C. C- S$ C
if (hr)
8 X) a q; r2 ]6 H5 m6 {$ `/ o% n1 d {6 ~8 N" B2 x. r5 J3 H
MessageBox ("Get Poke Unsuccessful");& H7 s6 k- `) `% \5 B7 n m* o
return;4 n2 L# o- x2 S2 {4 w
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/**************************传递数据给extend**************************************/
. R: a: _3 C7 ]+ m+ C pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
$ G; ~# [- y( B: s ! \4 D! E4 [5 \( H* B; g
valueStr = SysAllocString((WCHAR *) L"1232");* H j# M- u# Z6 g7 D) @8 A
VariantInit(&pokeVariant[0]); f5 A9 |' @1 @# Y8 Q) K
pokeVariant[0].vt = VT_BSTR;' W& M+ v5 q4 A4 u5 \1 z1 t" v
pokeVariant[0].bstrVal = valueStr;8 G1 W* T% i0 O6 f
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");$ U6 W5 W* v( R8 Y- D- U9 S6 ~7 A
VariantInit(&pokeVariant[1]); 8 R* L3 e' r. k
pokeVariant[1].vt = VT_BSTR;0 Q- P& e5 [# Q) Q) G& r
pokeVariant[1].bstrVal = itemStr;' y0 K0 M$ d$ r2 U
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topicStr = SysAllocString((WCHAR *) L"system");
7 n- ^" U2 s+ ^$ Q( r6 n. D VariantInit(&pokeVariant[2]);
. ?$ u/ z9 m/ h+ y0 k1 y pokeVariant[2].vt = VT_BSTR;- S4 p/ [6 o1 J. z$ ?" I n4 X$ {
pokeVariant[2].bstrVal = topicStr;0 {4 s8 S3 t5 @( S3 N# z) ~4 b* t
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// Set the DISPPARAMS structure that holds the variant.: N% H' t/ U" p8 L- ~% O& s- }
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dp.rgvarg = pokeVariant;
0 }) ~1 h9 G0 b dp.cArgs = 3;
+ Y; f' d7 p8 i# V9 g dp.rgdispidNamedArgs = NULL;) f# P/ o5 a. \$ Y
dp.cNamedArgs = 0;" d0 p% a; g5 j+ v
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
$ D p6 J* D- ~ l pokeID,
% Z; Z% a' x. |) N IID_NULL, n: j/ i* ]! B
LOCALE_SYSTEM_DEFAULT,! P" P4 R$ r8 `: V: N
DISPATCH_METHOD,4 ~' m; l1 }( H! y: ~, _' d
&dp,
, v1 ]5 W$ d$ T. g0 i0 m NULL,
9 O+ W0 B# O f0 K2 G l &ei,
' k& b9 T, V% X2 Q- s &uiErr);3 m4 }4 a5 p9 T; P
" A' N% N6 W1 L% d) \" ^ SysFreeString(topicStr);8 x/ M% R) ~) P: ]( B5 V; r
SysFreeString(itemStr);
' T# Q/ g) d) S4 E4 \9 V, G: r SysFreeString(valueStr);
& y D3 R( j( v' N2 m! K: z
a& [6 X: p' _( I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???
; B& O1 k: I8 ?; u- k# c6 h/ Z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????9 _6 z0 e* q7 R3 P
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+ @+ n/ A& x& D& I2.这是request的程序/ i. B0 n, t4 J! Z: i) a; A* ~
// Request a value from Extend7 _8 Z5 ?6 s7 {/ @1 ], u
//$ \4 V) L5 w+ B# O6 i
// Initialize the variant that will hold the BSTR. Set the variant's) i: q4 S4 ]& ^
// type flag to indicate the fact that this variant holds a BSTR. Place the
. o! x1 F, Z, I1 s5 p2 G( X8 z// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
2 B8 K x! J8 U VariantInit(&requestVariant[0]);
" C7 W/ V/ B% w3 v, s+ w4 _ requestVariant[0].vt = VT_BSTR;
0 ^8 M' M$ j7 J requestVariant[0].bstrVal = itemStr;+ Y6 _! j; ^ T! X: y. L
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topicStr = SysAllocString((WCHAR *) L"system");0 `8 T" C& M2 w9 M* x* ~' ?
VariantInit(&requestVariant[1]);
( e# ~9 y- B+ Q& e+ x requestVariant[1].vt = VT_BSTR;
/ A- x. q# S7 d! k requestVariant[1].bstrVal = topicStr;
8 r) k. D5 m& h! r: |9 Y) F' ]1 I! C4 }
// Set the DISPPARAMS structure that holds the variant.7 [# ~* a% z- x/ K: e
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dp2.rgvarg = requestVariant;
) r8 V# G, ?0 p( U6 d dp2.cArgs = 2;( ~% b) K7 l7 f9 s* H0 ?4 f! f
dp2.rgdispidNamedArgs = NULL;
: B, h0 h, N4 X3 ] dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(. m, a8 L, F- i: \$ `1 R3 f
requestID,
) @4 e: ?! e9 \8 Z# E; s IID_NULL,
@- M- G# F9 ^; [- {0 m LOCALE_SYSTEM_DEFAULT,
! \* f" K! ~' h6 g2 L. ]# M DISPATCH_METHOD,
! S3 L4 f5 A" q$ u- h" [7 t, N% c% ~! q &dp2,
) U. H n4 ~) i7 l# O &var,
" T3 O& ^8 k+ ?' z& r &ei,
; E7 W0 z, S) b/ ]6 I( h* J &uiErr);
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SysFreeString(topicStr);
9 l- }; ]7 j, R% o8 m6 B SysFreeString(itemStr);
( o* F4 r2 u4 K4 J; k请问该程序是获得extend里面的哪个值?! U) m# y1 Y* o3 `# N/ K
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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