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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:
2 k# k* H7 B" ~+ \/ V) [6 ]7 QName = (WCHAR *) L"Poke";, i& N: a6 d+ E: r+ G
' j& e" M4 J. {1 m3 } hr = m_pDisp->GetIDsOfNames (2 a. c$ r5 h1 Q6 ^
IID_NULL, // reserved
0 R p' e/ V! n4 W &Name, // Array of names to get IDs for
& o( m- s% C* K8 s1 ~! X9 j: { 1, // # of names in the array6 k2 b5 o8 Y, Z3 Y M' M- @! I
LOCALE_SYSTEM_DEFAULT, // System locale
5 {- m! c* n( U) ]2 R &pokeID); // Array of IDs to fill on output
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if (hr)
) v" D% U' {: _" k; _: ^ {
" ` w& |: z1 r# T* L/ y MessageBox ("Get Poke Unsuccessful");
' V7 A& a5 {" m$ a' ~. J return;
: X3 c+ K9 X/ b0 F/ ^3 z" j& D/ t }
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/**************************传递数据给extend**************************************/
( w( M; ?+ g2 h, I pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);, n$ x& A; I* ? e. o5 h: s+ r0 \
) I% Y6 s/ L4 S3 m G0 l9 \0 I
valueStr = SysAllocString((WCHAR *) L"1232");
; ]( {9 Z j. o* c# @; J9 e5 w/ y VariantInit(&pokeVariant[0]); b, B8 b: U* q$ k" `) R
pokeVariant[0].vt = VT_BSTR;, W$ p4 g. @0 E9 }/ B
pokeVariant[0].bstrVal = valueStr;" P0 s6 t1 u! t( v! {
! T: \, \) l& h5 ?& H5 o) I0 T itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");: o ~% t: P5 F4 K7 @8 i4 @
VariantInit(&pokeVariant[1]); * K) d0 _+ ~* m' e
pokeVariant[1].vt = VT_BSTR;
: a7 w: A2 K. B2 ~9 s6 Y& R8 |# } pokeVariant[1].bstrVal = itemStr;4 X8 j$ y& W5 |' w2 K$ D
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topicStr = SysAllocString((WCHAR *) L"system");
$ p# e8 h( |3 D1 B/ T+ ~ VariantInit(&pokeVariant[2]); $ |. E5 H4 \3 X }& S! x7 G5 ^
pokeVariant[2].vt = VT_BSTR;
' {' o4 j! s% s' ` pokeVariant[2].bstrVal = topicStr;- U" e' L! @! N8 `
8 O" J; D# c3 Z; C* a. h! ?
// Set the DISPPARAMS structure that holds the variant. X F' G! _( n, T$ A
; a5 l; s0 N9 w; g+ u: @ dp.rgvarg = pokeVariant;
/ E+ S, s+ q) ` dp.cArgs = 3;
* z$ W# N; P& u5 S# M2 L# j3 [ dp.rgdispidNamedArgs = NULL;! o. o" H; E( [
dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(3 T+ p) U* e3 i1 k* y/ {
pokeID,
! t5 z S2 z) W- W* [ IID_NULL,
6 {/ b- W! e/ c6 I LOCALE_SYSTEM_DEFAULT,
U6 d j8 L0 [3 t4 d. E2 Y( ~ DISPATCH_METHOD,
# y2 l$ m; |2 x: O9 S9 |4 n &dp,, `/ i4 R9 b: r
NULL,$ \ Z* d) s, s( i1 o T
&ei,
8 z3 t' d/ C& G0 F a) F) M) G &uiErr);' c0 @$ t8 s' i9 A1 L, h& }" N
: _; V: W( g# w+ ? f- O7 E# J
SysFreeString(topicStr);+ R" X* `7 B6 H: Y3 P7 O: |* S) a
SysFreeString(itemStr);! l2 C" H, H- e; ]! X$ F% P
SysFreeString(valueStr);
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( K! \. u- B& G, w- T1 Q, h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???& o5 F) f4 A% N& k* z ?
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????% B+ M8 n( k$ M, E' y4 v
4 ^2 M0 j2 r+ u. Y3 y% H- r. X+ g$ G1 ]3 h5 b
2.这是request的程序
$ ~' p. L) R: e& q. O// Request a value from Extend+ j8 l% y+ B" B9 Z+ V0 m/ v
//
& P7 c8 C8 X* a5 A// Initialize the variant that will hold the BSTR. Set the variant's( _+ S S! y) R+ z' T
// type flag to indicate the fact that this variant holds a BSTR. Place the
* D; w! ^7 b4 }8 q2 F( r ]// BSTR into the variant structure.
# Q$ K3 E; Y% ?0 ]& g5 @0 K& w) E3 d2 Y- ^
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);: M; }( ^3 Y2 y/ A
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
, G# D$ t( t' l6 D( y VariantInit(&requestVariant[0]);
, m: I( f) }$ O& w' t2 D& m; Z requestVariant[0].vt = VT_BSTR;# ?8 ^# E1 Y, Y y1 Q
requestVariant[0].bstrVal = itemStr;
/ X2 N, R. J3 x# ]+ k) \
; l8 X7 _! Y; h& Y8 M# f3 ~: r topicStr = SysAllocString((WCHAR *) L"system");6 ]7 i' u E/ q4 x3 v
VariantInit(&requestVariant[1]);
- h q0 m( Y3 B1 a7 K1 ~) Z requestVariant[1].vt = VT_BSTR;
6 d' r. @. z6 J; i P _6 s+ G5 M9 ? requestVariant[1].bstrVal = topicStr;2 V# a. X' K( A9 w2 u& ~
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// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;
: I5 L% i, h0 [ dp2.cArgs = 2;
, q; j! E1 A/ a3 t# }5 Y dp2.rgdispidNamedArgs = NULL;- C c; D. u, R. ~7 I- \ t8 u
dp2.cNamedArgs = 0;1 o+ m- u0 w# s2 c
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var.vt = VT_EMPTY;- N, A. W" }$ l- U/ d: C5 x
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// Call IDispatch::Invoke()1 w- ?1 j' C5 t4 h# f
& y4 C! A$ i0 W( v s/ m hr = m_pDisp->Invoke(2 |' v+ V" v6 Z% H1 o" d9 }# F
requestID,
5 d" ?( `6 X2 a, T5 Z" ]6 @$ [ IID_NULL,
7 O0 I# T5 w6 p/ F- b* k LOCALE_SYSTEM_DEFAULT,$ B# U% T/ g2 C- y) G( u- J8 g
DISPATCH_METHOD,) J% d; D6 A$ ?; i- E
&dp2,3 L) a/ w+ U! a! p2 c
&var,' m# B+ C$ j# w/ X8 ~ C9 i3 K
&ei,
2 L5 d1 K. E$ n$ w$ g& c7 i( c &uiErr);" Q- c$ m0 H2 E" L, y- Z
. W. Q; d" T$ r# Y) O) E& Q SysFreeString(topicStr);( d3 }3 m$ @# m2 `# H R. u4 @& h
SysFreeString(itemStr);
- H; {, U/ w% j请问该程序是获得extend里面的哪个值?* ~; T& A, _: b5 F; P w" [
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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