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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:& ?7 V8 z; f4 m$ F, B
Name = (WCHAR *) L"Poke";
7 Z" b W7 P% Y& ?' V( O1 k 5 {8 ^6 X! |3 I. |* l+ Z+ Q. E: B: t/ ~- U
hr = m_pDisp->GetIDsOfNames (
9 @4 j. d4 p. `+ o IID_NULL, // reserved
5 C4 s5 ?" |+ ?5 ~ &Name, // Array of names to get IDs for
& t+ l- n2 }2 Y 1, // # of names in the array
4 }; X4 ?. C1 S$ v; } LOCALE_SYSTEM_DEFAULT, // System locale
9 z9 B6 d& D7 H, }$ @. ^3 Z9 Y& l &pokeID); // Array of IDs to fill on output2 c5 L1 J& \7 c1 R4 M* I
& X5 Y1 K6 A4 r1 n if (hr)6 j2 t1 \5 L/ d( h
{
0 [2 R6 l0 u2 u' o# A* Y4 \ MessageBox ("Get Poke Unsuccessful");
6 F9 I) {& s8 ~7 b+ w return;( w- J5 x- U- t* I3 J9 a' q
}
1 H2 F: g4 D' ~! c: M3 W
# O0 f" Q2 T: x1 n4 z/**************************传递数据给extend**************************************/2 O. S/ q; C3 V# W
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);% p5 s2 h6 W+ e9 c
4 J' B% u* x: t3 C: Z- q1 H! @; S valueStr = SysAllocString((WCHAR *) L"1232");% f, y) H+ Y' [: r y2 \0 x \+ y
VariantInit(&pokeVariant[0]);
5 e0 R! a4 r; g) h% G pokeVariant[0].vt = VT_BSTR;
' w/ y! h( l" e% K$ _+ ~ pokeVariant[0].bstrVal = valueStr;
4 ^' d- `/ `* g4 e7 ^+ _! l
8 j# ]; e) _8 [0 C* h itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
3 T6 y6 k! C2 U/ a VariantInit(&pokeVariant[1]); * d% l% [! O: P6 b9 i2 |5 _# O
pokeVariant[1].vt = VT_BSTR;) n& |7 O9 f/ q, @3 }1 X* _# x& p
pokeVariant[1].bstrVal = itemStr;) ~( g$ V6 c5 q" h- T
. P E; i% L2 B# x topicStr = SysAllocString((WCHAR *) L"system");
! {" n/ B5 T5 T7 x, a+ c VariantInit(&pokeVariant[2]);
4 C4 Y6 x; {: `8 u0 u8 g pokeVariant[2].vt = VT_BSTR;
* S9 ~! i; H- S L8 q% q$ S pokeVariant[2].bstrVal = topicStr;
: P( s! x0 o& X$ m( q) x6 Q' y/ f- {5 |4 u0 x/ k% L
// Set the DISPPARAMS structure that holds the variant.0 ?- y! j# F3 r
/ C; M; E( E# Y' I! w* H% U
dp.rgvarg = pokeVariant;$ q" E4 t/ `5 I! ^% T4 P
dp.cArgs = 3;: C/ R3 ?* y1 p _' V
dp.rgdispidNamedArgs = NULL;
0 D( K e3 R6 l, V; ^% D dp.cNamedArgs = 0;( Z) t- W' H2 |9 X
' r" V& Z) A+ K8 S" x% u
// Call IDispatch::Invoke(). j* b7 Y5 J7 g% g6 X
0 G4 U0 w- s! R' i) g7 n6 b n4 c hr = m_pDisp->Invoke(7 z2 L% J2 E5 A6 c' w. r1 H; d- Q
pokeID,
7 P( f% @4 o9 q7 N1 o# E. y IID_NULL,
7 O, \1 ]+ u9 u/ ?6 y LOCALE_SYSTEM_DEFAULT,7 e. G z- ^7 j l
DISPATCH_METHOD,
0 f- Z% I$ J. @# c# [, `" I% H &dp,, V N# P2 D1 X: }, j% T- l5 P
NULL,
O) }% _* v, s &ei,' q- X& S$ u" k7 P
&uiErr);0 o1 T; \5 J" P! h3 S* b
7 K5 r \( J" `
SysFreeString(topicStr);$ P: ]5 A# \# ?# t, f% s6 `* S c
SysFreeString(itemStr);
! H. J# n# K1 I$ ~3 F- J; B9 h7 K+ t SysFreeString(valueStr);
* c x, e- p/ r( z' V T: n6 e6 ]1 {( f, c( ~. p+ ?% 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???
; [1 u5 s5 C$ ^6 I* A5 z4 @; Q3 a& [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????8 p$ l! Q o6 z' O; [
0 C& b0 ^, H$ x
* L) F9 n2 c! k' q' a2.这是request的程序
/ {) r! E- a* H$ l: n// Request a value from Extend
% U# L S$ Z( e; t) M* L//
# H$ S9 ~+ A. r5 `$ f: U. d# f// Initialize the variant that will hold the BSTR. Set the variant's
$ `5 `1 f3 O* T6 |: J+ O K% R) Z// type flag to indicate the fact that this variant holds a BSTR. Place the0 l e& V! }5 N, c5 U" w
// BSTR into the variant structure.
& f$ I9 p, T& _/ J( G( K8 ~/ V" Z# x0 \1 U4 W1 V! I7 `, C' G
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);' Y; Y0 U5 _4 R5 a7 M
5 E5 c4 B& {& S$ |$ R
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");7 j0 o& x- |5 z& r, C3 ?9 A# Y: ~
VariantInit(&requestVariant[0]);
X. h( k5 c" l requestVariant[0].vt = VT_BSTR;
4 d7 S* z. n; a4 B6 f' z' J- x; S8 O requestVariant[0].bstrVal = itemStr;
2 B" T& l' V/ u! V6 x8 h$ ~! \* a
topicStr = SysAllocString((WCHAR *) L"system");
; I b9 e6 B: \ G3 a VariantInit(&requestVariant[1]);
. j; z6 `# I, U* d! I' } requestVariant[1].vt = VT_BSTR;+ Y+ B/ d9 z, H5 i; x
requestVariant[1].bstrVal = topicStr;
3 c6 ?# ?& j: G# j( d, w2 u7 a4 `" a
// Set the DISPPARAMS structure that holds the variant.7 k& i& `# H, u& R' [
! }! i" R0 C8 m) T+ Z: H
dp2.rgvarg = requestVariant;
) J& I8 ]( g5 V: K7 d2 A dp2.cArgs = 2;& b! ?- A& q8 z4 c# t" Z S0 f
dp2.rgdispidNamedArgs = NULL;5 E6 i# }0 c6 t6 k' w# f! u
dp2.cNamedArgs = 0;
' e; P% q, M/ C7 L3 _ n1 p4 \
var.vt = VT_EMPTY;
$ O5 n$ q# |3 H9 l
7 ^7 V3 ~& H/ G1 ^// Call IDispatch::Invoke()/ h& r7 }" f- |/ a3 X: }1 v
$ e/ ~$ Y8 g- J2 Z5 G7 k( r hr = m_pDisp->Invoke(; ?" r( Z0 s: ], h% [( {
requestID,4 Y; {; u" t4 W: }1 ]( W; Q8 n( U
IID_NULL,8 P$ f( W9 A8 e
LOCALE_SYSTEM_DEFAULT,& w* F( q" R8 x3 @2 j% n# _
DISPATCH_METHOD,
" k8 A. w( A& p7 W- w) ? &dp2,
/ i1 R8 E4 P6 E; W8 Q &var, \6 Z, K0 v! Q- }; `2 H$ v$ K
&ei,
# ^, ?# R$ A3 o& S; {2 L& W &uiErr);/ } C' b* A: E4 y, H8 R9 x
3 |, M% |6 k+ ?3 W M9 I2 x% X SysFreeString(topicStr);( w, w' d/ h# ^5 ]
SysFreeString(itemStr);) Z4 F% e8 z h) n; g
请问该程序是获得extend里面的哪个值?# q8 ^6 [8 | C) b7 A' S3 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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