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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:
. {& U/ N+ y& V, i; z: ^4 n' t2 rName = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (, E l3 }! R; y0 f4 c, i- F
IID_NULL, // reserved7 A3 [: N3 A- |* x5 j6 g8 ^
&Name, // Array of names to get IDs for
; C' D& s/ Q4 c: N9 j 1, // # of names in the array4 F; i" S( C0 h; D% C
LOCALE_SYSTEM_DEFAULT, // System locale& ?! x2 Q2 j+ Q1 V5 \
&pokeID); // Array of IDs to fill on output, W. t9 c9 e. x, P1 o+ h1 J
7 |! R u) ]( Q' ] V$ k$ r+ g4 U if (hr)
# b- `, X8 h5 I& m! N0 D5 y) O {
5 K: m! b2 [$ u: U MessageBox ("Get Poke Unsuccessful");6 h3 ~2 R5 e. A. C0 G# v
return;0 ~( x7 g0 Z! I- `
} x- c$ A5 n- g/ w* Z' F
; g4 ~ Q, u! x9 k; V* Y/**************************传递数据给extend**************************************/
1 g$ p7 w6 J* {% F pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
* F) i l! g4 I# n. j- u& M
- ^% q4 h3 w. B0 L2 ?4 I valueStr = SysAllocString((WCHAR *) L"1232");
. c2 P% Q" g- u! `7 { VariantInit(&pokeVariant[0]); . e9 x8 y% W3 U
pokeVariant[0].vt = VT_BSTR;
. z2 E4 v! v, Z b/ \ pokeVariant[0].bstrVal = valueStr;2 ?& Z6 l9 a/ b+ ?1 }& ~/ T# V; y
/ \, m# h- D. D* L e" l itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
1 K1 _+ ~( n+ t, c! r q& x VariantInit(&pokeVariant[1]);
# d2 c7 ?5 C+ L pokeVariant[1].vt = VT_BSTR;
* o9 R: G# [2 R0 m% o pokeVariant[1].bstrVal = itemStr;) M7 }& i( z7 S( U9 k5 W0 a
3 s! S# D0 l! c# p! Q topicStr = SysAllocString((WCHAR *) L"system");: K' o9 L7 x6 D k3 ]% H" y4 O/ @( ~
VariantInit(&pokeVariant[2]); 4 F: R6 K8 `" x
pokeVariant[2].vt = VT_BSTR;
' e( c b# h- a pokeVariant[2].bstrVal = topicStr;( j* ]3 D, D& U1 I& C
/ U/ h r K3 L) I// Set the DISPPARAMS structure that holds the variant.# }7 c- _# _" Q; @+ P0 S0 f0 C t
g" N, u) a$ ]4 G A2 } dp.rgvarg = pokeVariant;
, z5 n$ Z+ v( [) P5 @- E( O dp.cArgs = 3;2 E- v2 O/ u) W+ l o/ D1 o# l" @& c
dp.rgdispidNamedArgs = NULL;: U0 n/ I4 Z$ m l5 C
dp.cNamedArgs = 0;
% |3 g8 s/ @# ?5 l8 j1 K
- i3 X& j* e4 `) h2 H- Y4 w9 H2 l// Call IDispatch::Invoke(). ?* T, t8 H* W6 j) t
9 ?. P' E" _! J! `/ s hr = m_pDisp->Invoke( ^3 x: f2 B/ \; x! {% n7 v, z0 c6 ?
pokeID,2 y' T$ G: P" o3 q
IID_NULL,
4 n" b9 k" f# f$ x4 U: Q: P6 ~ LOCALE_SYSTEM_DEFAULT,: L! G! C7 G! e: d. \: s4 K, D
DISPATCH_METHOD,# o; Z% C! X+ q4 T$ R. L
&dp,3 S9 N! P, j0 `1 z6 j- ^
NULL,; Z! j, M2 ~& O, Z9 _
&ei,
* M' ^; a- v- E- I &uiErr);" f8 T7 s$ l9 }' l
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SysFreeString(topicStr);! Z7 u2 }! c- a3 J( x; P: l/ b
SysFreeString(itemStr);
$ z7 A5 K/ n0 Y: r SysFreeString(valueStr);
& K R- _# h7 |- x9 H$ D% C9 `$ \
* c& W- U) G/ ?1 [! n& y1 `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???) A; B% p) Z" W8 M* 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????
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5 a0 z, V0 _! a$ M9 N' Y6 U
2.这是request的程序
* `8 {, e: |; Z: Y# v// Request a value from Extend
' R3 g, a) T7 w, D: z3 \6 K//
# ?! g2 |# E5 j7 m) y7 E// Initialize the variant that will hold the BSTR. Set the variant's# o$ n' L# N% D2 G S: `
// type flag to indicate the fact that this variant holds a BSTR. Place the
; [( _$ k. G# J3 _// BSTR into the variant structure.) m; w K7 D, M2 u! h
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);3 H: j* l% ~5 I; \
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
2 h. ]5 Z3 d* U5 S VariantInit(&requestVariant[0]); . S' ~- X! ^; [& T8 I% D
requestVariant[0].vt = VT_BSTR;
0 m( R1 i, m7 D/ \5 N- K _1 Y& S requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
8 `4 @. T0 L5 \+ t! j7 W VariantInit(&requestVariant[1]); & k. \% R* s& W0 t4 p: ~8 K
requestVariant[1].vt = VT_BSTR;
* d+ ?) m) k# X7 y3 _3 u( S: Y6 R3 ` requestVariant[1].bstrVal = topicStr;8 c1 p. a* h: F
( P+ I6 F1 I3 Z3 U% h N// Set the DISPPARAMS structure that holds the variant.9 B# y1 E6 u* q; V [' }
! ^% ]4 M+ O8 }1 v5 t3 Q' M( c
dp2.rgvarg = requestVariant;" @* O( X" y1 K, H) b
dp2.cArgs = 2;
) y7 W& M) t6 d( T* z. O- [5 o( B1 z1 c dp2.rgdispidNamedArgs = NULL;
9 w8 E' N/ f& d2 ]$ O* {$ ~2 F dp2.cNamedArgs = 0;4 X" M, a* H* ~- H- n: Q2 O
- U: ^$ H9 e/ V# g' J( r
var.vt = VT_EMPTY;2 J' C8 o+ S- Y5 {) |
9 b7 I T( L1 \6 r" G+ l- k% U// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(- U* Y% l8 R6 l0 }
requestID,8 a# Y' `* e4 W/ k5 P7 r
IID_NULL,
- t8 z, w; z7 y# h( g' \ LOCALE_SYSTEM_DEFAULT,8 D6 I3 e+ T! I+ f! P6 W
DISPATCH_METHOD,
& ?: a; d# P% c8 r4 A &dp2,
) ] I" Z6 l8 y4 V, I. C0 a& u &var,
5 D8 ]- ^1 X5 o( R2 Z! d &ei,3 U. `, v; C$ g2 j$ g
&uiErr);
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SysFreeString(topicStr);0 L9 }$ S5 j7 {
SysFreeString(itemStr);
1 o3 h- z% A/ Z' P4 e请问该程序是获得extend里面的哪个值? Z1 N# P& D$ c* {; G; 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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