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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:' m8 e" @) d4 X' X! o+ A$ N2 R
Name = (WCHAR *) L"Poke";
; { m$ j5 Y2 z5 ?. q" N, i
. F' I3 b, j7 \. \& s hr = m_pDisp->GetIDsOfNames (+ v7 t! d# N$ [' G% V
IID_NULL, // reserved
; t3 B2 p4 B. t. S! J a" F &Name, // Array of names to get IDs for/ }) Y4 m4 J* T- ~
1, // # of names in the array
$ y2 N" r- e3 \% r- V+ k: l LOCALE_SYSTEM_DEFAULT, // System locale6 E8 E' N/ {3 e' w
&pokeID); // Array of IDs to fill on output0 _/ V* L- v) [3 R; A" E/ E1 `* C
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if (hr)
* u. l" t* a, [9 i4 t3 R {
# y1 f: P$ O) V% z MessageBox ("Get Poke Unsuccessful");
' `' I# T" E' | return;
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/**************************传递数据给extend**************************************/
& K# L, `; P% _/ ]8 g pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
) q+ [8 v m7 p# g% P, x0 j4 ` 9 [, k% P8 D& } f
valueStr = SysAllocString((WCHAR *) L"1232");% c/ t; s b, f3 C u8 v
VariantInit(&pokeVariant[0]); 4 a$ c1 _. ?7 j z, u
pokeVariant[0].vt = VT_BSTR;4 Q$ q1 z; s: }7 R3 P0 Q4 s8 X4 q
pokeVariant[0].bstrVal = valueStr;$ Z2 P9 W( v2 C4 D" m% x, D0 w3 S
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
7 l$ v+ F1 a! J. U VariantInit(&pokeVariant[1]);
) r7 a; n9 M; w. u5 E pokeVariant[1].vt = VT_BSTR;& x2 L4 T% O: J8 o: p2 z! {
pokeVariant[1].bstrVal = itemStr;
. G, d- N/ r3 A( a
: P; |7 i3 k" Z7 I/ F0 D; U) U topicStr = SysAllocString((WCHAR *) L"system");4 U5 T" O) Q: M
VariantInit(&pokeVariant[2]);
! i" P+ i& A0 ]& f pokeVariant[2].vt = VT_BSTR;
8 a' j1 V! L6 z1 K pokeVariant[2].bstrVal = topicStr;1 s* @( S+ a9 K1 T
) L" ~* ~2 R/ k& p6 b; N+ S// Set the DISPPARAMS structure that holds the variant.4 v6 s. y2 m- A# P7 d" Y! V" n, ~
' b' k* p2 @1 e% v: K dp.rgvarg = pokeVariant;- {7 g1 H* a2 R$ n
dp.cArgs = 3;. G- m5 U6 T8 j0 A% | A
dp.rgdispidNamedArgs = NULL;/ ^5 F& m* ]. Q
dp.cNamedArgs = 0;: L, G: g7 P$ ~* S
# a4 ^' w/ g8 A( H// Call IDispatch::Invoke()1 C) D5 y& L: x: ^, F5 ~# J y
[2 v1 [ f% s. o) n# r; s hr = m_pDisp->Invoke(
p4 Q5 m" ^: w6 U) J' V" S pokeID,/ D- T& U% G8 w: Y
IID_NULL,
: o- c1 M% C+ Q2 J! d. ] LOCALE_SYSTEM_DEFAULT,& V8 B( t; ~) W. _
DISPATCH_METHOD,7 [5 F6 b! ~- j- I" c
&dp,3 {/ N0 w' g6 g* s3 {2 Q
NULL,3 }! s+ a1 E/ |" D7 X# d7 Y
&ei, z- r6 G3 V) T' m2 [1 p4 \5 `
&uiErr);
/ a0 d: o3 z9 Q* i% H6 z2 m
) D% z+ a" q6 K' L# i# u5 { SysFreeString(topicStr);- ]$ R) L& @4 }4 T
SysFreeString(itemStr);' I# n: J" Z0 ]9 }- ]5 I) B4 W3 @2 }
SysFreeString(valueStr);( B: {7 H& c& {& g' B
$ W" c% p& M9 ?" k/ _3 E
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???" E, k8 Q- H/ {/ L" R% G9 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????+ R3 M. a) c5 F) E/ m
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/ d ^ g' @& J. |+ g1 Q3 @7 o2.这是request的程序* p- _3 D8 q# l: D, d
// Request a value from Extend
( U, [# U l8 \' F9 h7 W//* C$ a5 @9 U4 }! }# W4 J
// Initialize the variant that will hold the BSTR. Set the variant's
: ]1 g. } p A& I) L// type flag to indicate the fact that this variant holds a BSTR. Place the
4 O) z) K7 t1 g# q$ l" [8 m// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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# ]: L, [% T9 b! L4 v# G! J( W itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");% f3 l1 m. j- l8 a
VariantInit(&requestVariant[0]);
( n) M! u8 c4 F2 N- k1 v- y requestVariant[0].vt = VT_BSTR;
2 N9 `/ ~* W1 ^! P6 u. c requestVariant[0].bstrVal = itemStr;
/ q4 _; g9 H( K3 f
; f6 ?& b: u/ f2 @# a* ^ topicStr = SysAllocString((WCHAR *) L"system");
8 D, O5 Z4 [8 x' ~ VariantInit(&requestVariant[1]); 7 m6 J" @, Z' d, a
requestVariant[1].vt = VT_BSTR;
+ m, h1 p/ E; z1 B0 N& s4 P requestVariant[1].bstrVal = topicStr;
3 b. v4 W5 Z" n5 `4 A5 b* N: L9 t: H! q* k/ A+ A3 D) e
// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;
5 ~* N2 Y9 X( G0 Y: l' x/ E8 ]* M4 O dp2.cArgs = 2;
& p( x0 J3 H. z* n4 u' u* T% _ dp2.rgdispidNamedArgs = NULL;; s. `! E0 `* v/ K u
dp2.cNamedArgs = 0;
f3 A7 N, I0 I2 I" D$ l/ i, j6 _- t7 X( t* H
var.vt = VT_EMPTY;. E7 j' j- z) P7 | i
: z) O$ b+ A: E
// Call IDispatch::Invoke()
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6 }7 B! \6 L5 @! P hr = m_pDisp->Invoke(0 E4 L( J4 v2 H& H; r2 @
requestID,
, h) i% ]" r5 t. k IID_NULL,
' r6 q' l0 x& W' H" n4 x: J6 P LOCALE_SYSTEM_DEFAULT,
6 `+ p# i$ J! { DISPATCH_METHOD,
0 V2 Q; ]# F8 Y* v' S( q) c+ E &dp2,
6 V3 H/ Q: H; a+ n, g7 p( w &var,
' v4 R. n" V% y S% n4 H+ r &ei,1 A4 p% N! E" \/ t# a' u% Z- M6 u
&uiErr);
6 G, I$ o7 n; K+ t- N/ x
& {2 |- ]! r4 c/ F4 O7 y SysFreeString(topicStr);
- a0 W9 h' ]; E$ M SysFreeString(itemStr);
1 D+ E% W4 E7 z' M请问该程序是获得extend里面的哪个值?
. `) Z8 }4 C& X. J& A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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