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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:
* H9 e) x) i; z' U q. C' J- ?. LName = (WCHAR *) L"Poke";& m4 m4 k( k/ O# i2 }# ?+ }6 S0 L
% U( I5 h5 G2 {- s; h* g: F
hr = m_pDisp->GetIDsOfNames (
7 p; f# ?+ ~* Y# i) r, m+ j IID_NULL, // reserved
- c+ ?% B. R& m+ d &Name, // Array of names to get IDs for7 l4 m0 H& c. n: h7 y/ L X, R3 w* M
1, // # of names in the array" Q! H) f+ |' y" N2 w' o
LOCALE_SYSTEM_DEFAULT, // System locale0 x; I0 {; c/ m; W4 l A
&pokeID); // Array of IDs to fill on output, Y3 r/ o6 V) I' b! d% k ?9 v
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if (hr)( z, `" t' r5 u0 I e( t- ~! @
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MessageBox ("Get Poke Unsuccessful");6 m1 W3 g$ }- s6 G3 v5 [
return;
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/**************************传递数据给extend**************************************/
' \" K& O0 ^4 k2 {, B. { pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
) {7 C1 s1 |1 ]0 i0 ?* e! e+ F \ 1 j& u. ~: k. j& ~3 E* R) [
valueStr = SysAllocString((WCHAR *) L"1232");% ` e1 ]3 F6 P* t. r+ k
VariantInit(&pokeVariant[0]); " a) E7 f2 I9 q8 X
pokeVariant[0].vt = VT_BSTR;
' l! D7 E1 Q1 f- ^) T5 A1 q pokeVariant[0].bstrVal = valueStr;; E8 s% n* @' u8 z3 z
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
# B3 H$ X; M: N0 h) n1 j% h VariantInit(&pokeVariant[1]);
- N3 t8 s5 G7 B) ^1 e. b. ^ pokeVariant[1].vt = VT_BSTR;8 _, g8 _: q/ l0 b
pokeVariant[1].bstrVal = itemStr;4 r. ?1 j7 B" b0 u; e9 s
/ t( v3 @2 |7 a$ B a topicStr = SysAllocString((WCHAR *) L"system");
, k4 `) D8 i. r; A$ J& N VariantInit(&pokeVariant[2]); 7 f! W! f2 R& ?3 d# O
pokeVariant[2].vt = VT_BSTR;$ `+ ~2 p0 x; l, T
pokeVariant[2].bstrVal = topicStr;8 s3 _6 |' _3 j L
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// Set the DISPPARAMS structure that holds the variant.5 a8 v/ g! ^! Q! n8 g4 U8 E
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dp.rgvarg = pokeVariant;2 f" K9 z- T: u) a* \! w3 H* x& X
dp.cArgs = 3;1 m+ G; o# W4 s' k; ?
dp.rgdispidNamedArgs = NULL;; `6 g! n0 x; g1 i; h# D
dp.cNamedArgs = 0;: l2 y; T8 N% c2 \# t+ N
" ]4 h# u# q7 f; \
// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
3 l3 b1 X6 T4 V+ G" q6 R) {4 o pokeID,
! u6 U, N7 z: e IID_NULL,, d1 K. e$ O5 `+ l: K
LOCALE_SYSTEM_DEFAULT,
" ^# S1 `& W3 r5 j DISPATCH_METHOD,4 y: \+ U. b+ |2 Z k( ~7 X
&dp,* m6 a% ]4 k1 P* `5 e) n( x- |
NULL," _2 _1 Y2 X; H/ h
&ei,
2 R, I7 }% y% }2 Q &uiErr);
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3 @, a7 A! `" j) u% v3 A1 h SysFreeString(topicStr);
( ~0 p- w' q* z* y. v9 g( E- w SysFreeString(itemStr);
% r) K8 H/ {+ I, e$ K SysFreeString(valueStr);
$ h( V) p2 ~9 K5 q# D1 J" x" h' f! q' o! Y
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???, r, J5 A5 G% g; F4 [
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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2.这是request的程序& m' ]: M1 ^* }# J
// Request a value from Extend$ X T. K7 }3 c( z* L# g8 s
//- q) f# A# }, z& l! n: e
// Initialize the variant that will hold the BSTR. Set the variant's
7 o( `. q' x" _4 E* W// type flag to indicate the fact that this variant holds a BSTR. Place the
: B( _& W: z6 [% D; t( p// BSTR into the variant structure.
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; \! x7 v6 w. {8 k/ C' O7 j requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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3 i& h: U5 ]3 R2 @7 j t8 O itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
6 U) a5 C% X! e" O2 |; W9 W2 X VariantInit(&requestVariant[0]);
: a; J- I( b+ H8 B requestVariant[0].vt = VT_BSTR;
4 g3 x0 U' c2 f5 B7 G1 o/ E# h requestVariant[0].bstrVal = itemStr;
; {# ]5 c9 p: i3 ^ K Z
' l5 m7 j/ N$ t7 g& O topicStr = SysAllocString((WCHAR *) L"system");& b/ H3 T& |. _2 d
VariantInit(&requestVariant[1]); 6 O/ N, G3 E Z' l. J
requestVariant[1].vt = VT_BSTR;
: z/ L# s- @6 r1 J! V requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.2 H# A/ c% n$ s
2 e% u5 [3 i. T2 S dp2.rgvarg = requestVariant;
: i: E, b: K9 w) J' ~2 U! V T dp2.cArgs = 2;$ Y3 u4 V" ?+ n$ H: |
dp2.rgdispidNamedArgs = NULL;! }( X5 V, C+ M* J! V! g
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;" B5 E# l; Z8 ?
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// Call IDispatch::Invoke()( |! {7 p1 _2 @% t( ~
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hr = m_pDisp->Invoke(
& B' L' J b3 E3 b" ?6 T requestID,7 v' W& l+ p6 I: W
IID_NULL,2 Y) L! H9 s* a2 d4 N* w
LOCALE_SYSTEM_DEFAULT,1 V; t N+ K6 J* |. l; F
DISPATCH_METHOD,4 I0 z5 R- J# m \/ c& g
&dp2,- c5 R7 @9 Z, L( Z# w7 L+ z4 }
&var,' X& b! J5 E, T
&ei,
) R) Y3 N+ d# W- g0 e* C; |/ ~1 n &uiErr);* L8 A6 c* E; B V* M; b! ~- T
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SysFreeString(topicStr);2 @3 W* K" W+ y
SysFreeString(itemStr);
( f* W2 B7 N% O9 n2 p5 Z请问该程序是获得extend里面的哪个值?5 j4 O" t% _$ y' h
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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