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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:
0 i0 p ~$ |' X4 z* H( r0 fName = (WCHAR *) L"Poke";+ x* E& R/ F# F# v7 y& i
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hr = m_pDisp->GetIDsOfNames (- R" g) g% [! u2 o! w h% y
IID_NULL, // reserved6 w. O9 `! R8 I# s
&Name, // Array of names to get IDs for) F0 U+ r5 W5 M9 k5 v
1, // # of names in the array: d4 o2 v+ T0 J, ~2 H1 B
LOCALE_SYSTEM_DEFAULT, // System locale/ f7 u& x( K3 ]9 s, w" @
&pokeID); // Array of IDs to fill on output" ?* L! ^0 _6 V& \3 |$ _/ O% P; x
2 D0 \$ ]; I, g+ F& v8 n; _ if (hr)# S& [4 k2 P! r& \* O$ p, ^4 D
{' G% l/ v! ~9 Q% S) G9 c% g3 }) a
MessageBox ("Get Poke Unsuccessful");
* r M1 ^6 p5 y6 {) e' }- {# E return;0 V4 F: X3 f$ N# q5 y" O, }0 }1 T
}
% `3 X# R& L7 Q" h' I# _
/ x/ {$ M" n' {( X/**************************传递数据给extend**************************************/# x! |, {$ x: J# O5 ?
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
4 C: z) f9 `' p) H) @" f8 R % ^0 m L3 k8 K: p
valueStr = SysAllocString((WCHAR *) L"1232");: c# {6 Y+ c' D
VariantInit(&pokeVariant[0]); * T- K/ t! g, j# F+ ]6 Z: o) o
pokeVariant[0].vt = VT_BSTR;
& T, ]2 e$ ~' z( ]& r7 t* w: m9 _ pokeVariant[0].bstrVal = valueStr;
; P" |& Y+ f I0 V) X+ H( ~, [! I/ S4 {: }* H& V$ i; i3 b- y& A3 j% Z
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");) ~3 H" j' H: z
VariantInit(&pokeVariant[1]); 0 l J0 f; ^: S( I- K1 e; ~
pokeVariant[1].vt = VT_BSTR;1 c; R4 }. {1 p
pokeVariant[1].bstrVal = itemStr;
! E' {# R& \/ y7 i- p
% N1 N/ o4 K j5 k; S topicStr = SysAllocString((WCHAR *) L"system");
6 Z) k# s* M8 {9 b7 @, A- a VariantInit(&pokeVariant[2]);
( I+ r+ N/ S! D$ j9 P7 r pokeVariant[2].vt = VT_BSTR;
3 k! G' P; {3 w# u( U! B) L6 k pokeVariant[2].bstrVal = topicStr;
8 a% C* [* T! r# r+ n8 ^% m
; ^+ o) ~8 o, o. I7 j# s// Set the DISPPARAMS structure that holds the variant." H/ C1 z6 }5 s. E3 ?& n
! D' q# R& l0 m/ ^7 _+ m( \ dp.rgvarg = pokeVariant;9 W) U: t+ {4 v6 H! P( ~. L
dp.cArgs = 3;
4 @8 H) F# U; G% J5 ^2 T3 W( k dp.rgdispidNamedArgs = NULL;! x6 ~5 o+ ?- E6 T4 ~
dp.cNamedArgs = 0; F3 F: y% s( b
; v1 R3 ?. Y7 E* e6 Z- {/ n// Call IDispatch::Invoke()
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( S( O' S4 Z5 H& z2 }4 X3 Q hr = m_pDisp->Invoke(
& z3 g! {# a9 p6 [# v pokeID,
5 y) r# |% L1 |* _8 C IID_NULL,
( S) W9 [5 f5 d$ H LOCALE_SYSTEM_DEFAULT,# ` F' g- \; n6 t8 T' F2 Y' [
DISPATCH_METHOD,
2 _( C" P) y; W$ U &dp,
: M7 ^+ ?) |0 G( q8 i NULL,
( u' I1 @. x0 y& ~# } &ei,
: H: g5 B& ]3 {5 y7 z6 R/ P6 X &uiErr);
* z$ b" n8 y3 l) t$ o$ c+ A8 \" }' [, N W: T" Q' B
SysFreeString(topicStr);
8 A, w' O5 C) H V8 l SysFreeString(itemStr);6 E) P/ Z* n, a1 P$ I& d9 E1 W3 I2 b
SysFreeString(valueStr);
& {1 o5 F- [! k2 q! D7 ~2 A
/ U+ H" H4 g% A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???, w3 J* J& k4 p+ f
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????
3 R9 K8 _* z5 k/ R/ j# x( `" N; I$ N. |, t2 o3 H! B- K
: d/ ^9 W) R" Y2.这是request的程序
/ X) ~/ e6 q+ E// Request a value from Extend0 s) B0 |1 J9 z$ V2 h3 z7 J
//
2 q6 B% ?4 g, ^2 ~, n. y// Initialize the variant that will hold the BSTR. Set the variant's; T: X4 x" ~9 N! O8 _0 N. W% |
// type flag to indicate the fact that this variant holds a BSTR. Place the
, |" G# O. e6 }6 d/ a6 m// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);- y* c. Y% {4 W1 N
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
5 {, r( \: \. o6 ~8 S1 } VariantInit(&requestVariant[0]); 3 J2 M( t) n0 N) Z @
requestVariant[0].vt = VT_BSTR;% Z. F5 ]3 m4 `4 o
requestVariant[0].bstrVal = itemStr;
4 P |( s+ S1 E: m
. L2 {# E9 i2 M( g- v) S8 ~ topicStr = SysAllocString((WCHAR *) L"system");2 x3 @0 }$ D1 M4 ]
VariantInit(&requestVariant[1]); / O& W" W/ q6 H4 Z4 ~
requestVariant[1].vt = VT_BSTR;. |' u, ~: R/ a5 |3 p
requestVariant[1].bstrVal = topicStr;: h/ ^7 I" t# l |2 ]
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// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;
0 e$ Y* V! d0 x6 P" X+ a8 h. |4 z dp2.cArgs = 2;
1 m$ q0 [. F% u dp2.rgdispidNamedArgs = NULL;8 i& H) K8 F) O; ^; E9 v
dp2.cNamedArgs = 0;4 F$ {# |. n. L: B9 ]$ W8 U
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var.vt = VT_EMPTY;# T v- D+ w- w
! x" K# O- V/ a8 ?% o
// Call IDispatch::Invoke(): ]- A5 w& T( G. w4 t, W0 u
5 C) s, }5 G" U8 f* q* ?- S, D hr = m_pDisp->Invoke(
2 v5 M/ D1 S( ]/ K# \, M requestID,
5 z; O) l+ Q: J9 ?2 _7 J IID_NULL,9 B9 u" \, y5 X+ Z. [9 J4 h- p
LOCALE_SYSTEM_DEFAULT, s2 M3 a9 n- M V2 o. P0 ]! P: C
DISPATCH_METHOD,
$ ?3 }1 q4 i5 \& [% I% V, n &dp2,
4 _, p/ h! h4 g. ~5 A j &var,0 C8 x7 t: ]9 U: ^. _! P% m
&ei,$ _6 o8 ?( F) q7 k) l
&uiErr);( H5 f, U; @" V+ B9 n: q
4 l5 v' a8 Y* J- n1 l SysFreeString(topicStr);
* J T+ E" W, b6 X& w- j SysFreeString(itemStr);2 N0 ]: l$ ]6 D! q( c
请问该程序是获得extend里面的哪个值?. B" B, L+ A; I" K2 E% 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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