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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:, u: x, p; a1 j2 @4 r6 o4 ?
Name = (WCHAR *) L"Poke";( L3 y: `0 R: M! o1 {0 \; s. ?
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hr = m_pDisp->GetIDsOfNames (
1 t6 s3 z3 i: K/ {* f IID_NULL, // reserved
: L9 [6 o% b" M# P5 J &Name, // Array of names to get IDs for H- |$ H& A: Y$ C' `2 y! a
1, // # of names in the array2 j" E7 v. |6 O2 b: Z8 j+ i
LOCALE_SYSTEM_DEFAULT, // System locale
$ o4 e3 A8 u1 \8 J9 F &pokeID); // Array of IDs to fill on output7 A# g6 c3 H, b# B
" N; K9 s0 J3 {8 ^9 Z" T if (hr)
6 \$ O* k1 o T% p; D3 a+ j i# l {
" q O4 D/ b- ~8 }4 S. b2 } MessageBox ("Get Poke Unsuccessful");5 @7 k9 x: u5 `& L
return;
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/**************************传递数据给extend**************************************/# e7 W* ?$ Z0 _: o8 a' V
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);" Y1 A2 ]. ~: L: C
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valueStr = SysAllocString((WCHAR *) L"1232");
) q N0 U5 W) J; V" `: h VariantInit(&pokeVariant[0]);
, D% k: X" b q4 n: V pokeVariant[0].vt = VT_BSTR;2 [; @( \+ [4 R7 u/ y; a
pokeVariant[0].bstrVal = valueStr;1 Y8 m: C# \9 P( t5 [
5 r: g1 M. }6 G. O1 a itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
. |+ v8 m2 U* ]/ k VariantInit(&pokeVariant[1]); 2 F8 i! K1 q L. X6 N. }1 S
pokeVariant[1].vt = VT_BSTR;
8 `3 z: N/ T0 v2 h$ B' H) [1 y pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");$ r* B+ a2 h( i4 y! ]% B: h9 x
VariantInit(&pokeVariant[2]); : r- M& }0 W5 g3 q
pokeVariant[2].vt = VT_BSTR;. M: d }$ _: y/ U) U
pokeVariant[2].bstrVal = topicStr;3 W+ ]6 l. `1 n; z( w5 @$ |( _# j. ]& X
( |3 g% B f$ ?; ^ l// Set the DISPPARAMS structure that holds the variant." e1 r) [5 N3 _' o# {2 D2 X" D/ V
3 ` t8 E8 F0 f2 c! F* D
dp.rgvarg = pokeVariant;3 W! e/ j1 t( C8 g' S c% H
dp.cArgs = 3;) J) Q1 ?3 L8 b7 L" {. n5 @ _
dp.rgdispidNamedArgs = NULL;
1 M( F" p; `2 p' R dp.cNamedArgs = 0;
s% c$ E3 ^: o3 u7 a8 x" Q% Y: W1 [$ d" L) L6 H
// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(" |. G; q1 e0 q) H) S
pokeID,
' c# k: B+ Q* _& z' I* b IID_NULL,3 |3 r: t) v0 i7 n0 D L1 A ?
LOCALE_SYSTEM_DEFAULT,
/ h3 z0 Z u9 j& l# [% ]$ K: G3 A DISPATCH_METHOD,
! H! s5 |& t* B2 A. d5 [/ j &dp,
5 P' Q& L' ]: P7 I/ n1 s NULL,
4 r! E# G* @7 t# D- L &ei,$ b1 U# _% z5 B% O6 O$ S
&uiErr);0 K2 W! n# d+ M
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SysFreeString(topicStr);
, X1 I3 q/ C0 i/ W) }5 w SysFreeString(itemStr);
- k' E( K6 g2 `( r SysFreeString(valueStr);/ P' u3 K2 I5 J/ b
7 ~1 Y7 e/ S1 t8 U% q
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???
+ U* u% n. }1 r" s+ ? n! n: ~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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, b4 ?) A# \ R" f2.这是request的程序% m4 a P; \9 G5 o; v; x @6 e
// Request a value from Extend9 E/ f& Q" b3 h. a/ X" O; Z
/// \- G% r' ^! [. R4 @1 q( z4 q$ J Z
// Initialize the variant that will hold the BSTR. Set the variant's
' H# o% T( s9 p3 z6 Y, G9 ~' h8 A( P' Y// type flag to indicate the fact that this variant holds a BSTR. Place the% t0 f) S% Z5 o \
// BSTR into the variant structure.
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! M' l0 q) z! v- v& H requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);/ |/ @$ y. u4 l% N
+ b0 r, O# t. C7 {, v. ]* n$ m5 b itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");, G1 a# { ?/ [
VariantInit(&requestVariant[0]);
- W4 h* y. d( P6 p$ v# N3 G requestVariant[0].vt = VT_BSTR;5 j: O/ c1 ~; m$ Y! p" K3 h
requestVariant[0].bstrVal = itemStr;* l; ]% v- W' {" Y
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topicStr = SysAllocString((WCHAR *) L"system");. T! L% W: d! V3 V# q) v! F
VariantInit(&requestVariant[1]);
7 E9 U5 I( J! b b; E requestVariant[1].vt = VT_BSTR;3 a( d6 g7 e) q. [# c* u% |
requestVariant[1].bstrVal = topicStr;, L& {1 x9 @8 r- H' d* S6 D
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// Set the DISPPARAMS structure that holds the variant.
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* B0 y& Y; y; B0 A; d. S dp2.rgvarg = requestVariant;
) }) U+ Q) f2 P. } dp2.cArgs = 2;# w6 J s; {- C
dp2.rgdispidNamedArgs = NULL;' T4 i' u7 T( c" Z( a
dp2.cNamedArgs = 0;1 G# ?4 [3 W7 k( E0 u; S6 g- g
- y+ p7 _- Y4 P3 _ var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()4 o- R1 ]4 O9 t/ L8 d
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hr = m_pDisp->Invoke(
- w' g* V; T" C0 T r: h requestID,
* i* m% }. r/ K IID_NULL,1 _' m; A3 s' M1 Y$ a, ^) A$ l
LOCALE_SYSTEM_DEFAULT,
& d5 l9 c) i! _! N5 _0 _1 M' @ DISPATCH_METHOD,/ S, {8 s0 T0 R4 V5 j2 U
&dp2,
- K9 ^4 a( A3 V1 |6 @! {& {# L &var,
. u7 L! k+ ^' K' F8 S6 ]2 Q &ei,
. E G# D( c- @7 a5 h7 q+ s &uiErr);
" y/ P/ ]. X( Q/ F( y3 T0 f8 h% w _
SysFreeString(topicStr);! A3 D C! e- X3 |& C
SysFreeString(itemStr);
' s1 {4 _) |3 X' i请问该程序是获得extend里面的哪个值?/ g. A, x. e% l" i- 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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