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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:
: o6 m4 B& q/ c yName = (WCHAR *) L"Poke";- w' b& a/ ^/ A0 Z# f7 U
& H) S6 w2 c3 m% F5 Y8 L hr = m_pDisp->GetIDsOfNames (
6 \) I4 {( |; Z# i5 x: b IID_NULL, // reserved! F# Y0 @5 R: a1 [; S# j
&Name, // Array of names to get IDs for( ]. a" q; s% z* T' z5 t
1, // # of names in the array
: B1 w8 s \* j! u3 W9 a LOCALE_SYSTEM_DEFAULT, // System locale
! k: K: F& x; A( k$ S" d &pokeID); // Array of IDs to fill on output9 v3 Q: U, ]. P5 i5 |
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if (hr)* ]6 J! B O# O& }; ]9 I
{
# J- u0 Q+ A+ @' Z MessageBox ("Get Poke Unsuccessful");
) F; B6 t0 X$ Z( T" y return;/ A2 }2 E1 U1 z6 \$ |4 L/ ^
}0 w/ ~- |% @' b
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/**************************传递数据给extend**************************************/
# f: Q. ^& l: j6 H0 n, { pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
, f7 {! {9 V( F/ O, ]8 b
9 R3 o8 K0 M- w9 m, e8 N valueStr = SysAllocString((WCHAR *) L"1232");' q, l/ z) _, v- z( q
VariantInit(&pokeVariant[0]); % }& k1 {7 \0 Z( c! [0 v) u6 J
pokeVariant[0].vt = VT_BSTR;; m+ }. _* ~# C1 l
pokeVariant[0].bstrVal = valueStr;$ `' H% \" z8 m3 ~1 b/ q# V. u
! J! x$ t! ~( z
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");$ _) O( H5 N1 F5 T1 \. ]- t
VariantInit(&pokeVariant[1]); " O$ h7 K: z( O$ A3 ]0 ?6 |
pokeVariant[1].vt = VT_BSTR;+ }+ f; ^( v" A! o5 F/ w' q* b
pokeVariant[1].bstrVal = itemStr;
) Y/ L( h8 J. E3 s+ J
- r$ j" H( T# p) h' n topicStr = SysAllocString((WCHAR *) L"system");% I" N' D- \7 X6 n: o0 w
VariantInit(&pokeVariant[2]);
" r7 ^5 \9 T' \) I9 M3 r, B pokeVariant[2].vt = VT_BSTR;
1 y7 Z) }5 W/ e: g1 G8 q3 }+ i1 _( [ pokeVariant[2].bstrVal = topicStr; ~2 m8 l1 A U* W: e, Y" K
7 ~- Y. y" c1 _" P5 ^3 b// Set the DISPPARAMS structure that holds the variant.2 @# F# n3 | Z/ r
4 o0 }, b5 F8 ^, c! J2 X; [* }
dp.rgvarg = pokeVariant;
9 g' M+ ]. y& K) ~ dp.cArgs = 3;/ ~$ T% O/ `' l/ A6 Z: [6 j
dp.rgdispidNamedArgs = NULL;* c0 O" k! m) c8 b0 U
dp.cNamedArgs = 0;
, N" x" O9 F* M1 f) e i
1 c) i! N& {0 o. r Z' {// Call IDispatch::Invoke()
! D/ d: [# y6 r6 ~2 h( M" @* c; K$ g% g
! x* j+ q' Q; ?: a, u! { hr = m_pDisp->Invoke(- P* s$ T6 R8 V+ j) r: Z
pokeID,
8 p- _1 ~5 r* d. o# C( d IID_NULL,/ c6 [8 h* j/ A1 `$ d
LOCALE_SYSTEM_DEFAULT,
+ g0 y: _2 x6 i2 L7 w DISPATCH_METHOD,, l, G6 _7 ?2 }- \4 }4 C. ?* `: O+ n
&dp,
8 X0 t. D4 @+ B+ W+ h9 K/ _ NULL,
' [# c5 W( ?7 d2 } &ei,5 {8 A& i3 ?9 l6 R+ J
&uiErr);
5 t: p2 G4 S9 p& { J% s" H& {! h/ g# I7 d" F
SysFreeString(topicStr);; M0 h. e: T) F- T7 R
SysFreeString(itemStr);
1 O9 V" h1 d8 x SysFreeString(valueStr);2 t# C' k5 w1 t: V2 e- p" E4 h+ G
% [4 e: m9 N6 }1 G# Z2 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???
6 D% I* D: }. o' R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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& I3 q0 Z+ d! j
) C8 {* W1 j# X) z& c6 I$ G( g; s2.这是request的程序9 j! U! @9 @8 V: c' ]
// Request a value from Extend
) w1 @. Z" D! E//8 Z$ Y! ~0 s& m u& ~( _' K& U
// Initialize the variant that will hold the BSTR. Set the variant's
3 P5 h! g; d( w: q// type flag to indicate the fact that this variant holds a BSTR. Place the- l+ o+ ]8 C& U% P* t* p! L
// BSTR into the variant structure.
3 Z2 I: ]# M+ c: \% Y, V" ]/ O- i" n! D, M+ `( V+ s
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);) J W% g2 H! g. d8 S( W% m* P
9 a, y1 n4 W$ k z7 M2 T, E/ S9 T itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");, V$ ?" o% h# p7 o$ n0 ?
VariantInit(&requestVariant[0]);
+ ~& `0 C) o0 @' B3 u. S requestVariant[0].vt = VT_BSTR;
: @2 Q5 U" i" G6 ~ requestVariant[0].bstrVal = itemStr;, y" X% } ~. P$ f; v1 V5 l
+ ?* P, g( r' J. t$ _
topicStr = SysAllocString((WCHAR *) L"system");! ]/ K2 V6 N9 A) a
VariantInit(&requestVariant[1]);
4 U0 \0 @8 R. K) j requestVariant[1].vt = VT_BSTR;$ ?4 p: d `+ H( ^
requestVariant[1].bstrVal = topicStr;; y$ m; ?* k9 s9 E7 |% c
. T4 k3 Z; o7 ^3 X5 M8 C! f) `& t
// Set the DISPPARAMS structure that holds the variant." }2 v2 Y$ D3 D3 ? p
* v6 B+ J7 U. F8 R d) J dp2.rgvarg = requestVariant;& [( P* j1 a/ R6 \7 k
dp2.cArgs = 2;2 t- k3 K0 e) ]3 ~4 e e
dp2.rgdispidNamedArgs = NULL;
3 \6 o3 O7 d5 J) u dp2.cNamedArgs = 0;7 A4 W2 E2 M$ @- @7 a. @
; Z4 M. h ^+ a: o var.vt = VT_EMPTY;7 T7 n- H# n. ~7 `+ }" m! f
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(( j! v0 X$ w* g& Y9 o
requestID,
2 Z; x- |9 F2 D! l IID_NULL,
# P" `& Q2 g9 }) d LOCALE_SYSTEM_DEFAULT,! Z& N) Z/ ]/ _3 s. z& _ K
DISPATCH_METHOD,* J& T( j7 b/ m! e
&dp2,
0 L5 q. P" H, ] &var,% R' R/ @1 u8 e+ R3 S
&ei," M3 W' O( `# Q5 J, b K
&uiErr);" M9 |2 v6 H6 h+ K
3 c. `# D+ h8 H8 x% P' T
SysFreeString(topicStr);
; t: j2 Z6 B' q8 C2 B SysFreeString(itemStr);
; i& _# e5 C! ?& Q$ M8 Q7 R请问该程序是获得extend里面的哪个值?/ b' _2 u; u5 Z) E" p H% Q
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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