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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:
; k; _5 d# D( Q0 L7 F# T$ D+ S2 i9 fName = (WCHAR *) L"Poke";9 P! ^1 C! z- i2 D
, Y0 Y& Z7 i8 D$ K/ g hr = m_pDisp->GetIDsOfNames (
2 F& F* x6 L0 O IID_NULL, // reserved+ u: o6 O" [% F1 O6 ?
&Name, // Array of names to get IDs for
! X) D3 J8 p9 I 1, // # of names in the array" `0 d" d) p3 l1 I$ G
LOCALE_SYSTEM_DEFAULT, // System locale! r2 B4 t; L- {1 c6 w9 I
&pokeID); // Array of IDs to fill on output
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\! ~ C. h$ S% F if (hr): l" R7 y% d: D: C* P
{
1 K @2 b2 U/ X0 `4 |& h. \ MessageBox ("Get Poke Unsuccessful");
6 s) I9 s7 M0 \. _# e& z* T return;, u, S% i1 q' F5 s
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/**************************传递数据给extend**************************************/$ U2 g s, @9 u' w% T& P. X
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);; K: i1 h. w% H- f
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valueStr = SysAllocString((WCHAR *) L"1232");2 b. J3 P! h- j) i+ g
VariantInit(&pokeVariant[0]);
) g* M, K \0 A1 {2 t7 E pokeVariant[0].vt = VT_BSTR;5 \( O5 ^5 z6 R
pokeVariant[0].bstrVal = valueStr;7 }6 c* U& Q) k3 N) ]( c( H" Q. X" Q
8 o7 A" u o4 d
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
5 b. t- a9 S" w: S VariantInit(&pokeVariant[1]);
! v! m4 x) _5 P( l4 T pokeVariant[1].vt = VT_BSTR;
* Z' j) M/ Y2 ~0 L: Y* E- p2 i pokeVariant[1].bstrVal = itemStr;
+ E* f$ ] r# I1 z4 C1 h0 |9 `2 |7 n/ \9 |# w, L+ N
topicStr = SysAllocString((WCHAR *) L"system");
" d. v6 B* q0 V' F$ [/ K4 @ VariantInit(&pokeVariant[2]);
5 y: E; p1 c6 C: Y$ ` pokeVariant[2].vt = VT_BSTR;
9 W7 b: G) w( I" y4 Y pokeVariant[2].bstrVal = topicStr;4 V+ q) K9 m% X
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// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;" P' e/ H; d* o- ? i8 N4 s
dp.cArgs = 3;
1 K2 A. s ?# b) N+ s5 h$ g) E* A1 W/ A dp.rgdispidNamedArgs = NULL;& V; b: m3 H u# h4 T' K) K8 f
dp.cNamedArgs = 0;
) {: Y$ G4 q3 {; J! v+ D$ C" r; j" G/ G
; O( H6 C/ M( u7 a0 W0 A6 B// Call IDispatch::Invoke()9 ?, A9 \: b# Z, }0 z
% W N: f" A" H M: m" c hr = m_pDisp->Invoke(
- v" d, H% P1 r" Z" i pokeID,1 ^0 W+ D: n2 R/ d7 h/ J) t9 z- g
IID_NULL,( `7 S' E+ E2 p" K
LOCALE_SYSTEM_DEFAULT,
+ B- Z6 e+ |8 u/ V; ?9 Z DISPATCH_METHOD,- {7 \% ?7 F$ A- G
&dp,
N* X1 Y8 a) g7 r) K NULL,3 V) L- E4 v! }1 X% _7 Y% S7 f
&ei,5 P ~4 A( B9 z' X7 L
&uiErr);
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SysFreeString(topicStr);
1 x6 N K8 r0 J3 X- Z SysFreeString(itemStr);* E3 F8 F9 N, x; O3 h0 {( Q* |. S
SysFreeString(valueStr);
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# m2 E& B7 Z1 o Q9 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???
; y: v1 W i$ s! V0 P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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5 O7 ?/ T0 o4 u# R3 x V+ k, ?) L" _% E& g' s& I5 |# }
2.这是request的程序" Y, v- z+ S) D7 |
// Request a value from Extend5 x/ Y4 B0 h$ Y) @; Z3 g
//; W6 w$ [* g8 W" v
// Initialize the variant that will hold the BSTR. Set the variant's
; P) x- _4 R v// type flag to indicate the fact that this variant holds a BSTR. Place the
0 @ @) b2 H1 R7 @9 M, O// BSTR into the variant structure.
& x6 g' G6 }& M/ s
: T2 L9 k) B# n requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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; l: }5 H- w- O itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");/ p) l( e: X: ^: A5 p8 A8 I
VariantInit(&requestVariant[0]);
5 E3 k5 h2 D6 g requestVariant[0].vt = VT_BSTR;
% ]; T4 U; U7 }7 x3 T requestVariant[0].bstrVal = itemStr;
* n& Q4 k7 A0 f% m$ ~
1 }0 V2 H9 ~. j( ~/ @ topicStr = SysAllocString((WCHAR *) L"system");
3 n9 ?. t) d) ] D VariantInit(&requestVariant[1]);
4 } F* }8 [, w" v0 }5 s9 R4 G requestVariant[1].vt = VT_BSTR;
+ ]5 c& ~1 M- H y" V) U& V. Z o. X2 C requestVariant[1].bstrVal = topicStr;3 x' p8 [% f8 f. _
2 _& |: w5 P0 R
// Set the DISPPARAMS structure that holds the variant.
5 T+ h- z1 ]% x& s& h
9 H8 H8 \1 _. g* |' _5 V- @, g dp2.rgvarg = requestVariant;
. m! Q0 n7 x9 q' U3 G7 G4 a: o dp2.cArgs = 2;
0 B: j4 Z3 V$ ^' x) L$ Y& Q; ] dp2.rgdispidNamedArgs = NULL;& S3 V! h/ r( o. S% O
dp2.cNamedArgs = 0;( Z6 M! b' S; H6 i4 Q
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var.vt = VT_EMPTY;# L0 R- r& f( Q# S
, _( o' N5 }! [0 d4 X// Call IDispatch::Invoke()% A: ?' k6 q4 ]
/ ~) p0 P( A+ q3 a% Y hr = m_pDisp->Invoke( G. U, k8 r2 F* \
requestID,
a" A6 j/ B) ~3 P7 P IID_NULL,& j, I5 b7 j; z; V5 [
LOCALE_SYSTEM_DEFAULT,
) t8 W; G$ g' a7 T# _ DISPATCH_METHOD, o# A. [$ W5 y
&dp2,
1 v# ?) E) O+ k4 _5 ~! F0 f &var,2 s3 S& Q/ {" Y! s) n
&ei,& b8 q1 q1 I7 C
&uiErr);
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( l( I) U g+ q. M) |- _ SysFreeString(topicStr);
: S1 ^6 w1 t D/ V# [ SysFreeString(itemStr);
+ ~8 |, n! g, i, v8 Y( }0 `请问该程序是获得extend里面的哪个值?0 C. O' D' p# b0 V
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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