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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:
9 p* P3 ~1 B4 ` p7 ?! rName = (WCHAR *) L"Poke";
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( J) {8 A+ k" G+ `. C hr = m_pDisp->GetIDsOfNames (
I/ y ?! k! h$ |" a2 O IID_NULL, // reserved
+ I4 E, D' _$ K( K &Name, // Array of names to get IDs for
3 l3 L, }5 z8 |5 r( v# y4 I 1, // # of names in the array
) N" X0 n! `( c a( a6 d1 \+ s LOCALE_SYSTEM_DEFAULT, // System locale% v3 r# y L" Z7 a: Z! R9 |0 M \8 ]
&pokeID); // Array of IDs to fill on output
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if (hr)
0 A! D6 q3 K* ? Z3 w {
) Y/ b& c5 ]* T2 f. x MessageBox ("Get Poke Unsuccessful");
! h/ M/ b4 |; H! y# S/ e return;
, I8 m" U, `2 m/ O; z }- ~6 X/ J6 ?( a. u
5 I4 E: |# I! f
/**************************传递数据给extend**************************************/
1 [; r6 K' M* o) u' q/ n' M n" L( u pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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1 U T5 }0 U8 i2 K, L* S valueStr = SysAllocString((WCHAR *) L"1232");
& y* q2 [. f, I& [+ g8 t. D VariantInit(&pokeVariant[0]);
7 q( r1 Y" g4 \) ~3 [ pokeVariant[0].vt = VT_BSTR;7 r3 E5 H( Y; Q( U9 w2 d
pokeVariant[0].bstrVal = valueStr;
! R$ W D# m/ F
8 r8 F$ _2 j V( d itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");/ t' A' _: a, e% J0 z Q
VariantInit(&pokeVariant[1]); 1 n2 F6 i$ M4 t5 ?+ C4 x; Y
pokeVariant[1].vt = VT_BSTR;
* z f4 M. R0 Y5 A! U" J. [7 M# c( a4 @ pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");# n& H1 S$ R) ]$ B% c& r' K$ y$ i
VariantInit(&pokeVariant[2]);
- g9 a, F* `5 h# _8 R2 F* p7 h9 m pokeVariant[2].vt = VT_BSTR;2 z! n! w2 ?' A/ s! F+ r
pokeVariant[2].bstrVal = topicStr;
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7 O; t3 V7 o! O' [0 H6 u// Set the DISPPARAMS structure that holds the variant.
, j7 ]. Q0 a- ]: S/ I A
: |( q+ ]+ g( M( b dp.rgvarg = pokeVariant;4 l+ r R& U G* e( O1 e" f" u
dp.cArgs = 3;
# ^. K" Q& W- P" G# p1 N+ E dp.rgdispidNamedArgs = NULL;
4 `7 P' U$ D+ i) Q X5 c dp.cNamedArgs = 0;
0 m$ I: b- P8 B9 c0 A# R
) x) u. B( P" [6 @' v7 ~5 W$ o// Call IDispatch::Invoke()
* E" x: T& r, h& G+ ]3 b* s. z. y
$ I4 M8 w# x& P4 r) j9 A hr = m_pDisp->Invoke(& g7 \" P/ \9 B$ I7 t4 ^ ^; c
pokeID,
8 C+ _* t, a7 l" s8 x( H" E8 F IID_NULL,
9 \7 a$ W% O6 D0 g) f7 H8 N LOCALE_SYSTEM_DEFAULT,
9 h3 q- I& I# B2 |! w# Y5 C9 Q0 p DISPATCH_METHOD,5 S( n f. W1 x& p* |& t$ X3 ~
&dp,
) s; ~8 k' b- _( N8 { NULL,
0 Q1 T$ I& L1 t+ b5 N &ei,
' @# H5 E2 O; O8 w &uiErr);
9 H# E6 K8 `! A! c
( r8 x; G" z; ?6 ^) |/ \ SysFreeString(topicStr);
L- ^; C1 F3 H2 M+ B$ U% z2 z SysFreeString(itemStr);
5 ?; }' a; t" ?, V7 s3 L SysFreeString(valueStr);+ _: p; M* D" j: J4 w
9 z% v/ j3 h: L3 o
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???$ p$ b# V, d8 R( T
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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3 e0 R# K' ^! e9 h4 u+ n, f6 ?; E2.这是request的程序/ H3 Y( o+ u7 x$ s9 X% m4 r
// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's* ]3 e8 o8 b2 F' d4 o; R
// type flag to indicate the fact that this variant holds a BSTR. Place the+ h" _' S3 s0 W0 A8 {/ {& P
// BSTR into the variant structure. Y2 g% ^+ g/ r9 F
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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; E$ D( s: y8 X( Z$ \ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
9 H; B, U. P, U9 e VariantInit(&requestVariant[0]); 8 G8 E2 D) }* U3 _4 u
requestVariant[0].vt = VT_BSTR;
, [* X r- ], z$ F5 _ requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
8 k! W6 ]0 _$ }2 u9 g. B# y VariantInit(&requestVariant[1]);
5 v( i* Z, o) ?7 {5 ^: H requestVariant[1].vt = VT_BSTR;
6 E: R0 Z- [9 a1 g7 _; s0 Y2 k/ U requestVariant[1].bstrVal = topicStr;' p! f* D D7 o3 r( A. s) k' a
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// Set the DISPPARAMS structure that holds the variant./ W& n# n6 a/ `
+ j2 O/ Q$ d2 l N( s+ T$ P
dp2.rgvarg = requestVariant;; |5 j9 e& ]3 y) i! X+ L
dp2.cArgs = 2;
) z/ k; t1 W' D/ B dp2.rgdispidNamedArgs = NULL;
$ u3 d; a0 {0 q1 Q dp2.cNamedArgs = 0;/ g, l4 \! ^& [! l( P# K3 X
! z$ J3 r! j/ `2 M) d2 y9 ^ var.vt = VT_EMPTY;
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' `$ ]3 u1 @4 A// Call IDispatch::Invoke()# J6 ^$ D9 v* s
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hr = m_pDisp->Invoke(
U6 `" j! `' t8 ]0 d5 K) p8 e requestID,% A: Y6 }8 A D9 k; o& s( Y
IID_NULL,
- k% s( c! s' c: J9 i# q LOCALE_SYSTEM_DEFAULT,
4 x2 _: U. f7 H* E# \) Z DISPATCH_METHOD,
; O* Y- B1 J$ `, i# ?6 v% m' t &dp2,
0 a3 e% Q& ^. Q &var,
& ]# Z. Q7 b. `* P( d+ ^ &ei,
, g2 U8 Q- @& Z- E) `5 w &uiErr);9 v9 r8 j O5 k3 t% w
5 B) v5 V' }* U4 ~, s* `
SysFreeString(topicStr);
2 E) @9 @: o( ~9 T3 }1 f- _ SysFreeString(itemStr);8 v( E* b' v$ @) a6 s
请问该程序是获得extend里面的哪个值?7 K& X+ H# F; J5 C1 n. S
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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