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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:# x8 a- \3 L* i$ M8 h
Name = (WCHAR *) L"Poke";$ @/ i8 Z8 ~7 k+ A
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hr = m_pDisp->GetIDsOfNames (/ q# y" }9 q% \( u }
IID_NULL, // reserved* k( W' K6 r4 D/ n5 ? u
&Name, // Array of names to get IDs for
2 a& ]2 N: o- Z# A& I; b! T: t 1, // # of names in the array
5 G2 }4 U0 U1 a3 V! ] LOCALE_SYSTEM_DEFAULT, // System locale
( O9 A1 e: `9 R &pokeID); // Array of IDs to fill on output
$ C* w3 a2 ^+ J
) m! |$ n" r( d" [ if (hr)* K) a/ ^+ U2 w- g/ P# v+ G% c( p b
{
! G6 r! H# H% d, K MessageBox ("Get Poke Unsuccessful");$ M% E l; M. u
return;3 J1 ~ Q' {# U$ f1 l
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/**************************传递数据给extend**************************************/
2 S3 B) h6 f2 a pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
4 Z' x" n0 X! W" W# W4 E 2 k; {3 S- ^, h* b2 j: d) M
valueStr = SysAllocString((WCHAR *) L"1232");
; Q) j) P+ R: h ^4 z VariantInit(&pokeVariant[0]);
+ _8 g$ @# P4 s* k9 f& u M# | pokeVariant[0].vt = VT_BSTR;
9 l% Y1 \: u9 E5 {$ L9 B& r0 a2 ? pokeVariant[0].bstrVal = valueStr;1 a. Y* h5 Z7 C9 ~% z
* b( T( _1 B, v, I) s itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
( S* c% J: R- A* W( {$ ?9 ^- Y# k VariantInit(&pokeVariant[1]); - o9 Y( B- C( o6 J3 Y$ ?" n$ h, }: x+ A
pokeVariant[1].vt = VT_BSTR;
, I8 B( p" Y( u* e2 {8 H pokeVariant[1].bstrVal = itemStr;
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: N( P# ^3 x6 m5 E topicStr = SysAllocString((WCHAR *) L"system");; v, a4 D9 x* H* _" b! |9 r
VariantInit(&pokeVariant[2]);
Y7 ^, q% E% e8 { pokeVariant[2].vt = VT_BSTR;. i$ l( w7 b8 S' {4 ~! z( l+ H/ W
pokeVariant[2].bstrVal = topicStr;0 X1 ]1 P# ]# G. {0 V' p" `
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// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
* o0 i4 N5 c- G& ~4 S7 [5 r dp.cArgs = 3;9 c* m& h8 o2 I" h' i3 x6 I
dp.rgdispidNamedArgs = NULL;
* i! R% g, P6 S+ e8 M& v j dp.cNamedArgs = 0;
- B( Z+ R3 O+ A. D3 T
* l) F: W' B, g# {! h! A// Call IDispatch::Invoke()+ M; B% ]" W* X2 E' o
) y7 d5 s. H" l8 v9 k+ L" g hr = m_pDisp->Invoke(
+ Y7 n# c0 }* N! r pokeID,! Z: {% J* `# ?/ |2 d
IID_NULL,# m. g- l, |6 z: R. e
LOCALE_SYSTEM_DEFAULT,0 x, t8 O: i4 O& r* p
DISPATCH_METHOD,& `, Y/ i! v* T6 G8 b0 A
&dp,& \- R% @1 w1 p& M
NULL,
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&uiErr);0 |8 {$ `, Z! @* i) ~9 e5 W7 F$ L+ |
+ M/ i3 ~. e# U- l9 z SysFreeString(topicStr);
- K1 @8 q4 u- p9 t: O SysFreeString(itemStr);
1 E- `* Y5 z$ E$ R( ^+ I0 _* W7 J, i SysFreeString(valueStr);& \3 N2 G8 |* `" K# b8 X, P
% }) W( M9 z, O; Q' u2 w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???
# O# ~* s5 c0 Q# e9 h9 B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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& C4 F. y+ \( x! `; J; Q0 G2.这是request的程序8 \0 F; d: [% D0 e4 k4 H5 B9 Q
// Request a value from Extend$ K& h4 r3 }/ U& A1 {
//+ C9 A( U( D$ h7 v1 w
// Initialize the variant that will hold the BSTR. Set the variant's
3 r* _* i# x1 X( J9 P/ @' o// type flag to indicate the fact that this variant holds a BSTR. Place the
* q9 ?3 m, t, H% s' `& ^* F4 {8 C& M// BSTR into the variant structure.
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2 @- L& U2 e9 W7 Y7 K+ ?9 K requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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5 v* V& A8 @8 ~2 M! m itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
/ Z( i' Y8 J! n; {+ a+ x VariantInit(&requestVariant[0]); & k3 p' d, U3 ~9 N" i
requestVariant[0].vt = VT_BSTR;% ?- F# [4 ~3 Z' b1 c
requestVariant[0].bstrVal = itemStr;
; {4 S4 I% M7 j4 I" y# x+ E# ?4 r8 }9 k. F9 ?& }' f
topicStr = SysAllocString((WCHAR *) L"system");+ c$ D- Z$ z+ o* L5 `5 A) Y, z5 x6 g
VariantInit(&requestVariant[1]);
: S8 ]3 g7 k i# U requestVariant[1].vt = VT_BSTR;
: [3 U$ _6 M; E2 a( r3 e7 z+ } requestVariant[1].bstrVal = topicStr;: t( ^2 ~$ G: u" }( J- ?- e
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// Set the DISPPARAMS structure that holds the variant.* B# s! f: x u
1 g% R$ k( \1 x0 w. G8 K& s e dp2.rgvarg = requestVariant;0 q3 W7 k1 v8 c& u7 V% s" [7 w: q
dp2.cArgs = 2;% t& S. f7 l" \0 N7 L2 J; B
dp2.rgdispidNamedArgs = NULL;
/ q% a; o; Y+ T) ]& Z* l! n0 v dp2.cNamedArgs = 0;! l4 Q- z/ s/ \' _. O# O' [- o" J
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var.vt = VT_EMPTY;7 ?0 C* x& ^: l# S6 n4 R, F
0 G8 |* ^) G V' d7 W3 G+ i1 V// Call IDispatch::Invoke()$ D! @/ }; D7 |
9 r" l& i X( n x5 t! Y hr = m_pDisp->Invoke() w \$ o" `1 Q5 Y
requestID,
3 c4 F- `$ F3 h h IID_NULL,9 w7 o0 `& S* o) `$ Y; S) J3 D
LOCALE_SYSTEM_DEFAULT,
5 D9 L @4 t) b m: o DISPATCH_METHOD,& S+ [% H' d$ t6 n
&dp2,
. \7 R( \! k* M$ X: T- g &var,
1 e$ j/ ]8 Y; L; D$ ? &ei,0 }! r r5 H$ s' o
&uiErr);5 J* l- t; \" A2 @4 C
/ X( _. m6 ?9 c; }7 {- T8 O) x- |# } SysFreeString(topicStr);5 H7 [" \% K, x- F7 s, j
SysFreeString(itemStr);% s- N3 Y3 ?' z, [+ {' e3 j
请问该程序是获得extend里面的哪个值?
3 ^( v# _2 U; v+ h% q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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