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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:
$ P# z0 m/ v5 IName = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (9 i, ?, ` n+ T7 k6 o# S3 }" R
IID_NULL, // reserved
# o( v' x g! ~+ b" v2 w" ? &Name, // Array of names to get IDs for$ _2 n6 J$ j& R0 M# u |
1, // # of names in the array& N3 X# r( ?* v6 N u" I, W
LOCALE_SYSTEM_DEFAULT, // System locale
$ D* S* \# W5 p7 m& J &pokeID); // Array of IDs to fill on output
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if (hr)
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MessageBox ("Get Poke Unsuccessful"); M/ |" v0 U! T4 M A L' \
return;1 R# P* m- ^* K, Q. o
}
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' w h2 y" j0 M) N7 z' }, S$ T/**************************传递数据给extend**************************************/
, @9 g4 `# t1 L5 g- A, S. @& f3 i pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");
1 d2 B7 L% c9 w' ]1 d2 h VariantInit(&pokeVariant[0]); 1 G! Q( G( w% M5 T
pokeVariant[0].vt = VT_BSTR;' s9 G" B! P- Y- x# z% K
pokeVariant[0].bstrVal = valueStr;$ F) c+ I, ]2 U$ V+ T
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
/ }+ ?1 j* ?0 _ VariantInit(&pokeVariant[1]);
" g6 q% r# ?- {& W P0 _ v9 C( s pokeVariant[1].vt = VT_BSTR;, {7 P/ Q4 A9 {; N# A3 g
pokeVariant[1].bstrVal = itemStr;! H# H+ H. j% H# f
* p% b" S, l1 Y0 Z" w4 @/ w | topicStr = SysAllocString((WCHAR *) L"system");
1 P4 P* q4 I( i* Q- M w VariantInit(&pokeVariant[2]);
# F2 B, Z0 ~0 L" j! q pokeVariant[2].vt = VT_BSTR;1 A: M. z/ z1 w4 M) [/ }9 w
pokeVariant[2].bstrVal = topicStr;$ V( q0 l0 _3 y/ F2 t% g# d
8 i4 h+ a- o' c: Q// Set the DISPPARAMS structure that holds the variant.
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0 e2 B$ G& r7 S4 v) ^ dp.rgvarg = pokeVariant;
! Q: U* X% w7 k( S; |) ] dp.cArgs = 3;
) }: r$ j D9 o dp.rgdispidNamedArgs = NULL;
2 _$ m8 L3 b: s& O: e) _& a dp.cNamedArgs = 0;
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" o3 F/ S( |# o4 G7 j# f// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
5 `) r7 b7 D# ^' f pokeID,
) X$ @7 L) _4 i; y! q IID_NULL,
, V3 B$ L8 Z% O4 ?# z4 A# l LOCALE_SYSTEM_DEFAULT,
7 @2 V: u. L) E DISPATCH_METHOD, n5 S+ n }. C3 I
&dp,
) s; x! D( Q+ [" V4 v- N NULL,
2 h5 \$ {0 h0 z7 N6 ?* L &ei,
0 ~& E2 Z5 B, L% U1 B5 }7 w+ C# ` &uiErr);. V+ c1 Q" g6 m6 o( D$ `0 ^
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SysFreeString(topicStr);" r5 u% h) h. o7 t$ E' a
SysFreeString(itemStr);
: b; q6 S r; ]0 T4 z SysFreeString(valueStr);
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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???
8 d+ `5 ]2 Q8 r7 z# @! x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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/ @% { \% f! b/ G: [; H: b2.这是request的程序
( K+ v. b- A& Z6 y% K// Request a value from Extend
: ^& ^& A! }0 g9 C8 M/ `//& \5 T" L: R1 q9 A4 [; K; X7 D
// Initialize the variant that will hold the BSTR. Set the variant's V" S" r7 ^% J/ a. Y/ @) s
// type flag to indicate the fact that this variant holds a BSTR. Place the
. G W1 P7 Z/ L, a// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
" q# u4 ?' b% e* @ VariantInit(&requestVariant[0]); 3 N" l r$ t B' g: E2 o
requestVariant[0].vt = VT_BSTR;6 U2 v; U% V( m3 V2 X: l% K
requestVariant[0].bstrVal = itemStr;5 @- R- V3 Q+ P2 _9 T
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topicStr = SysAllocString((WCHAR *) L"system");8 r8 J6 \6 u* \: i5 |& r
VariantInit(&requestVariant[1]); % O9 f! y6 A2 l3 f' v! K$ s
requestVariant[1].vt = VT_BSTR;
8 ^$ z% i" n; h& r$ L9 M# F; t: B requestVariant[1].bstrVal = topicStr;
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5 d/ y$ u+ b& f. `7 _! s// Set the DISPPARAMS structure that holds the variant.8 @4 A2 p7 }& f6 B5 ^ N0 F4 D. z
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dp2.rgvarg = requestVariant;, e1 i8 b M- K0 y6 g
dp2.cArgs = 2;
+ _: Z; w- K3 |" x. k) `% H# _ dp2.rgdispidNamedArgs = NULL;
6 \" P' }" l1 \0 ^3 |& a+ r' m dp2.cNamedArgs = 0;" W5 ]& d. D. b! D7 \7 P
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var.vt = VT_EMPTY;
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/ S6 g8 p# s+ g X) R; H' b// Call IDispatch::Invoke()
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; U" v0 R! }0 ^' {+ p9 z hr = m_pDisp->Invoke(
; m8 N3 j( K& [9 |7 e+ M requestID,
8 ^$ c7 \8 i# [3 R+ p3 o IID_NULL,' y: S: X( @6 z4 d" ?9 }7 c
LOCALE_SYSTEM_DEFAULT,
. W0 w( B( d, D5 V$ _1 D DISPATCH_METHOD,
8 d( I9 s6 M1 o5 V( h, i6 k &dp2,
1 r. f/ u; `3 E8 \ &var,
1 P T- g, I5 j. g- V2 `$ S &ei,
+ k" o- m, C; M &uiErr);! T( i4 \, u# @! [ u) M; R
% p6 [! N9 {/ A5 { SysFreeString(topicStr);
( j9 F# U8 y8 a" [8 `- l SysFreeString(itemStr);
# `, z. X1 X) @3 H请问该程序是获得extend里面的哪个值?! {; r# h" @1 h) p5 h: G: d. U
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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