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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:" O) ~- m& `' e7 r
Name = (WCHAR *) L"Poke";
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( f5 J9 W. u8 m- h hr = m_pDisp->GetIDsOfNames (4 D/ N5 t$ i4 M/ g- ?( Z
IID_NULL, // reserved
1 A) C/ n/ H* R4 P9 v2 W &Name, // Array of names to get IDs for5 I* [0 j9 J. O& ~0 ?' p
1, // # of names in the array) l+ Y( Z, q) ?# y/ q2 y
LOCALE_SYSTEM_DEFAULT, // System locale
% M; [& n5 d# ]9 ~6 _ N &pokeID); // Array of IDs to fill on output
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. h- {. H" \; Z! b* Q! e if (hr)3 y, r" o7 P( z- N
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MessageBox ("Get Poke Unsuccessful");
* \/ S$ Q# @- d( V; j return;
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/**************************传递数据给extend**************************************/' X& t+ Z% T4 h* m5 z* k; M3 z
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
/ i- w% v) |0 | D9 q" D3 B2 c, W5 ] 2 ]) B; h, w- K( }1 E
valueStr = SysAllocString((WCHAR *) L"1232");
. `2 I. L! T6 b' ^ VariantInit(&pokeVariant[0]); / ]" {' w$ X. E) x
pokeVariant[0].vt = VT_BSTR;
7 U: l H0 a0 f K/ @5 q! ~ pokeVariant[0].bstrVal = valueStr;) v3 W' T7 O# i' \) V
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");/ ~9 i3 o# @- Q: D. v$ u% b$ k/ i
VariantInit(&pokeVariant[1]); 9 E" ~+ V. A0 y
pokeVariant[1].vt = VT_BSTR;/ Z! N# W& q. n& N. s a
pokeVariant[1].bstrVal = itemStr;
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& c9 a& t4 ~+ o7 E2 @$ F7 ]* Q9 Y topicStr = SysAllocString((WCHAR *) L"system");9 \0 h$ _ b" {. g4 Y8 |* Z1 q
VariantInit(&pokeVariant[2]);
. { H& v$ d2 Z( `& K/ o4 v pokeVariant[2].vt = VT_BSTR;; o8 ^4 ]+ |; b4 I' q0 h% l
pokeVariant[2].bstrVal = topicStr;
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I9 y% ^+ n; `* j' u$ t2 y% Z// Set the DISPPARAMS structure that holds the variant.
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3 u }( b i/ [ @ dp.rgvarg = pokeVariant;1 J& A- v3 ^! i+ U/ O& o2 ^7 z1 u
dp.cArgs = 3;7 s& N& i6 Q+ t" ?& n* o) c
dp.rgdispidNamedArgs = NULL;
) N: e. E3 ~) p$ g3 S' v dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
- e/ C! ]& @3 ~$ B. ~, ` pokeID," N. }" w2 z* m
IID_NULL,$ J6 @; G, E3 Q4 q9 X' w. g
LOCALE_SYSTEM_DEFAULT,) d3 `! o; @+ j) Y$ q5 p' V2 ]9 m
DISPATCH_METHOD,0 U; N( a4 u- P
&dp,- {3 w7 s: L+ ?( `6 T0 o
NULL,
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+ b D7 r+ f/ F8 [- f3 m' B &uiErr);1 r3 r E+ h; b0 `3 B
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SysFreeString(topicStr);
: x+ W2 n2 A( g1 O$ n/ r; H SysFreeString(itemStr);
; K& G# O7 M* |2 H% E/ y# ] SysFreeString(valueStr);
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0 }1 Z8 @2 D$ ~2 C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???
/ M% i% B5 d2 ^0 x/ a, A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
+ Z' e* w( n: i- T s) M- p// Request a value from Extend4 E" t8 D- u" p
//
! I: }: ^$ ~8 L( I// Initialize the variant that will hold the BSTR. Set the variant's
4 @3 {6 _/ ~, r/ @# }1 M2 ~' M; \// type flag to indicate the fact that this variant holds a BSTR. Place the% E, g3 v5 r! Q; i9 ~" w& g
// BSTR into the variant structure.. y, I4 a; q4 J! q3 E" E+ b
1 Z, h$ l* o4 O2 `, k+ c) l" E requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);8 \& [ X- I& q x8 \+ i; t8 @
$ j4 @; W- X/ W* ?. N itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
+ F0 n/ l1 Y# q0 | VariantInit(&requestVariant[0]);
?# n1 X7 A0 z7 w6 B$ p' }. l* Q1 L requestVariant[0].vt = VT_BSTR;' Q4 F9 ] @% q F' G& P& W+ ?" d" u
requestVariant[0].bstrVal = itemStr;; w1 p1 b% [& j% H" @ k$ h g0 g
5 Q8 }5 d. a. `& Y8 L/ Z' [ topicStr = SysAllocString((WCHAR *) L"system");, U/ s, X! p+ F$ S, N- g2 Q& [. q
VariantInit(&requestVariant[1]); ; k @/ X, J0 |7 [2 }1 V0 a* ]! @5 N0 I
requestVariant[1].vt = VT_BSTR;
, C4 H- I' [4 }4 m requestVariant[1].bstrVal = topicStr;
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' I0 j: _/ d% z' r* z5 p0 K$ i// Set the DISPPARAMS structure that holds the variant.
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! ?/ x3 o& A' b, T dp2.rgvarg = requestVariant;
; f9 M7 C2 c3 ~4 e: I. E- C2 w dp2.cArgs = 2;
: v7 M/ S5 t9 G# a dp2.rgdispidNamedArgs = NULL;7 M( R) _7 ]- S7 D3 N+ V
dp2.cNamedArgs = 0;0 ?$ T3 h) k/ n
# M6 u) [! d) G" E var.vt = VT_EMPTY;
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: k2 l4 n! R" s( n6 J// Call IDispatch::Invoke()
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3 ]: O) p @1 R! c6 Y hr = m_pDisp->Invoke(8 `2 G4 H* Q+ V: Y+ ^5 I
requestID,
1 H9 E' u+ G9 B2 a* X" ~( I F IID_NULL,
& k/ C- p6 A: M LOCALE_SYSTEM_DEFAULT,
8 }) o6 T5 j$ H7 a- Q% J$ A5 f DISPATCH_METHOD,
) X, z6 O2 @9 ~- i9 B$ x &dp2,1 J! c$ C7 I8 a- u7 K" p
&var,* \: Y I+ x4 t
&ei,3 v1 \; x' r; o6 Q( Q" Y% r
&uiErr);% w u+ j" r6 d7 P! ^. ~/ y1 {
8 y. @0 }, o: V# Q, B( ]6 D5 ?- R SysFreeString(topicStr);9 q: P4 ?& R+ O7 E T" S3 l) F) E3 o! r
SysFreeString(itemStr);
. s6 s7 x3 f! v, w$ q请问该程序是获得extend里面的哪个值?
$ C$ [- e6 E! Q: ^, l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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