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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:
& q# o: Z$ F3 X; K4 Q" _Name = (WCHAR *) L"Poke";2 s3 D8 k2 U+ f/ P& j, s( R% N6 u: c
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hr = m_pDisp->GetIDsOfNames (
, I) P! u3 x8 w* I/ T# d& } IID_NULL, // reserved
9 m( v" | j0 a+ D &Name, // Array of names to get IDs for2 n/ I& Q4 Y0 f: E; e
1, // # of names in the array9 ^4 L* A" L1 h1 h
LOCALE_SYSTEM_DEFAULT, // System locale9 d, ~1 P" F( E* Z7 @: w
&pokeID); // Array of IDs to fill on output
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if (hr)! \2 u2 ]- I% s; ^
{
5 V; b: K2 f: X; ~" _( g4 t MessageBox ("Get Poke Unsuccessful");% F' C* [. v9 }
return;
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: D# j+ W- ~4 z- O' u) H# K) S/**************************传递数据给extend**************************************// \4 U8 j" i& Q p& @
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);% j Y; I& `/ E" {8 U, g/ L
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valueStr = SysAllocString((WCHAR *) L"1232");
N0 t+ r' s1 { VariantInit(&pokeVariant[0]);
% f3 F I! ?" I5 z pokeVariant[0].vt = VT_BSTR;2 h3 ~0 a2 W3 R" l! }, q$ b5 x: c
pokeVariant[0].bstrVal = valueStr;7 G. R. }/ D$ A
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");( H, x6 r+ P7 r% q2 S9 d4 }3 B
VariantInit(&pokeVariant[1]); 8 A8 p3 b' A5 V, |
pokeVariant[1].vt = VT_BSTR;. W9 d7 F9 \: I. B
pokeVariant[1].bstrVal = itemStr;; V( J b1 c6 x$ x5 J6 l
9 {0 H! x- u7 b! y6 A4 M7 p$ b topicStr = SysAllocString((WCHAR *) L"system");
, y) u% d+ P! G! c4 l, G1 M9 ~8 u VariantInit(&pokeVariant[2]); 7 k6 t& Z% _0 T- o" V' }7 Z+ J
pokeVariant[2].vt = VT_BSTR;
& Z' @4 H2 M+ e: p pokeVariant[2].bstrVal = topicStr;
M: T5 X" F9 C! H9 a* z$ M
; v2 ]6 K& [* E2 n4 Y* I// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;- z0 |, L q9 h! k9 E6 b1 e
dp.cArgs = 3;
- Q4 z2 \3 |0 n dp.rgdispidNamedArgs = NULL;
2 m3 R7 s x7 Z2 l9 D. [6 V! Q) n A dp.cNamedArgs = 0;: `2 M5 R& d9 b/ t
9 n: A, J3 M; Y; r+ U// Call IDispatch::Invoke()1 O. `9 a2 c$ e4 y% e- W& G
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hr = m_pDisp->Invoke(/ x: A9 o0 n. W; M+ t3 a" O3 y
pokeID,' s6 L) K& ]2 Z4 F$ K) q h$ x: G- A
IID_NULL,' M3 o& E, p+ `9 C6 ^+ S
LOCALE_SYSTEM_DEFAULT,! A9 L. `! ^6 v1 v+ Q+ z
DISPATCH_METHOD,' ` O- z( Z$ M' a' E$ J! i% S+ S
&dp,5 c/ B6 M+ n: h+ W5 I" d2 d
NULL,9 h7 T+ k8 P5 l+ A
&ei,: L7 j+ u6 ^; k7 ~7 H
&uiErr);
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0 T6 Z: K k8 b T+ p" X5 }; A3 }" S SysFreeString(topicStr);
4 h( b2 h4 T& V5 F6 I0 ~7 e SysFreeString(itemStr);
3 y4 j4 G+ w) N' J SysFreeString(valueStr);
' U+ W G4 S; i, p' j* L7 f% z4 u7 M: I; ?+ W0 }2 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???
9 B G4 m# J/ s9 T/ l8 z; 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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- x9 ?# M5 R9 \( H$ G2.这是request的程序
+ ^* c* l" A" P. V' ]// Request a value from Extend3 e m' X% M7 ?. K* N: U! J3 k
//
3 S, O" e4 J; m$ Y) N# |& R// Initialize the variant that will hold the BSTR. Set the variant's0 ~ ?% Z9 y: e) n [; L2 P& ^+ x
// type flag to indicate the fact that this variant holds a BSTR. Place the
_5 s/ {* M9 M) |( H! H5 G// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);) G& E w- R3 ? r- K
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
0 d/ ?- a {9 n, D2 o% g: N" a VariantInit(&requestVariant[0]); & j7 y0 m* H a/ j( y
requestVariant[0].vt = VT_BSTR;
, t/ `+ ~4 T t$ a3 [9 c4 Q requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");" a( K( b' P' M }
VariantInit(&requestVariant[1]); 5 ]* G" c3 u: Z o5 ~. a; l
requestVariant[1].vt = VT_BSTR;4 u: {$ Z3 ~8 J3 L( S; E( J, a; f+ z; r$ e
requestVariant[1].bstrVal = topicStr;2 b i& |6 F$ Y( F5 f
; m; [( p3 x6 `2 R8 B! {// Set the DISPPARAMS structure that holds the variant.
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7 {- V& y: _ }0 _5 H( r, ~4 i dp2.rgvarg = requestVariant; p' Z _8 [ t4 f! V8 B2 p
dp2.cArgs = 2;# J/ D: [. U! n+ b( X4 @ t: o
dp2.rgdispidNamedArgs = NULL;4 o5 Q( a' s& q& ]; s! Q% U
dp2.cNamedArgs = 0;0 O8 u$ [$ X3 J: S' [- _5 T
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var.vt = VT_EMPTY;* @) |. ^; j: R
7 n+ v& Y' x2 A! a- `// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
% M) U7 r: e1 l2 w- m0 U requestID,
! e( ~, N+ K: }: z- S2 O" } IID_NULL,1 e: L0 Q! f% G1 D: h
LOCALE_SYSTEM_DEFAULT,
2 V+ z5 a8 U& Q3 g DISPATCH_METHOD,6 m* |* S$ X5 ~8 ?$ O" v, D
&dp2,
6 G& O1 |. m5 i8 [" c( t6 W/ Z &var,
0 A5 @& o% s! W8 ]0 A &ei,
, D9 E! V7 |: m' n2 f+ i. q5 _% O &uiErr);! n4 z: `& W% s# B4 D- l
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SysFreeString(topicStr);% W9 b, V' |' T+ y
SysFreeString(itemStr);! i6 |. A6 |+ U
请问该程序是获得extend里面的哪个值?. h: I3 V& ]" N
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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