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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:- L2 x! B& b& J- @% C9 l# C; F+ V
Name = (WCHAR *) L"Poke";
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/ i. f$ K! }0 |, K* M hr = m_pDisp->GetIDsOfNames (/ X3 { |" v8 r# I; u
IID_NULL, // reserved. y; t1 C& _5 c0 L# p* ?4 c4 b
&Name, // Array of names to get IDs for$ A1 c2 R; X; r7 V F: \( O( R
1, // # of names in the array
! f8 Y6 `, K* e" Y4 E: y LOCALE_SYSTEM_DEFAULT, // System locale
$ y8 v5 N8 V1 @/ ?. g3 g4 i+ X &pokeID); // Array of IDs to fill on output
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5 {4 x. W$ p" A9 o if (hr)4 ]4 a% U! G5 d$ r9 N/ ~' h
{
2 l/ @% P" p( p) t' S MessageBox ("Get Poke Unsuccessful"); H7 X6 [: [% A3 R" L/ b6 T
return;6 i# K) x+ |7 i' @ g$ \
}
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W* z0 D* v0 [* A) w/ g' v/**************************传递数据给extend**************************************/
! ]! ?# a$ d" Z+ k) Z& b1 _3 s pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);3 y/ l7 W. U7 p" A4 D+ M! m; ]
% _. t2 h" o+ @) l3 s7 [- k valueStr = SysAllocString((WCHAR *) L"1232");) m5 K; ^+ x2 n7 B& ^) D; C0 d
VariantInit(&pokeVariant[0]);
& t% v" s$ a8 S+ B! \ pokeVariant[0].vt = VT_BSTR;
9 c5 {8 D4 J- @ pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
% V9 G/ N' Z- \+ t" i. `9 S VariantInit(&pokeVariant[1]); 7 O0 x& U/ y4 x
pokeVariant[1].vt = VT_BSTR;* Y# q* m0 l+ U/ l$ Q) t: {
pokeVariant[1].bstrVal = itemStr;0 [8 o, j' q9 K- R+ T
: o! A7 ]5 I8 R' R topicStr = SysAllocString((WCHAR *) L"system");
. {+ z( p% C6 d( y6 T% `+ e( X( R VariantInit(&pokeVariant[2]); ; W* E, W1 s" Y* n: G7 q( L/ m
pokeVariant[2].vt = VT_BSTR;
8 Z' p. a( R. `5 z pokeVariant[2].bstrVal = topicStr;
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) }9 Q% ^5 ?" Z' e- K) x9 V8 J// Set the DISPPARAMS structure that holds the variant.; ]4 w; _5 ] T% F) A5 i
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dp.rgvarg = pokeVariant;
& m8 M; Q6 W+ _* K# M [ dp.cArgs = 3;
9 G1 F( P3 _: L" L! d8 e dp.rgdispidNamedArgs = NULL;
' |: d/ D- f5 V6 U/ V+ Z. `7 H dp.cNamedArgs = 0;
& P7 D# [3 U* |# R# B+ p
) e! }+ w0 j2 y$ D# x% j9 Z" B* b, g// Call IDispatch::Invoke()& m6 H7 H" o; H5 C$ ~
2 H$ E( ]2 F# G' T' x! Z hr = m_pDisp->Invoke(2 z( k2 b- e- L, U- e' Q' ?
pokeID,
2 ^4 A8 u% m) a IID_NULL,
; {( O. j0 u$ f! H$ N LOCALE_SYSTEM_DEFAULT,0 R! l. m- [+ N' K$ C
DISPATCH_METHOD,1 R) t9 N' X2 ^1 M+ w5 ?
&dp,: d+ m9 S$ O0 ?( W7 o: H, P* W
NULL,- C( ?# W+ N! i: q1 y
&ei,
6 X, v+ C1 W& ` l &uiErr);# w8 H* `5 _1 d9 e3 R: m- n; R
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SysFreeString(topicStr);
7 e& v5 i( u) ?7 `. Y% B' k SysFreeString(itemStr);
* E; I+ a$ o3 b3 C8 ^3 y 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???
* B8 G8 w* D5 ?8 S3 ]8 ~/ M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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2.这是request的程序% t r* ~6 F4 H$ K
// Request a value from Extend" F8 o, m" e d5 J; @. w$ K
//# H* e1 L1 Q7 A9 Z& i( [
// Initialize the variant that will hold the BSTR. Set the variant's
?1 D) l+ a, m, i+ n+ S// type flag to indicate the fact that this variant holds a BSTR. Place the$ j* e3 `& ~8 g( d
// BSTR into the variant structure.; C% R) f Q0 s
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");5 e* i! u; ^- ?! \1 A/ P
VariantInit(&requestVariant[0]); ( R5 s0 `2 @3 ?
requestVariant[0].vt = VT_BSTR;9 Z/ _1 `$ F1 b: `* @
requestVariant[0].bstrVal = itemStr;6 e g# i* K8 R/ b+ E# c/ Q
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topicStr = SysAllocString((WCHAR *) L"system");2 ^7 c' o) ?6 `! x& I \
VariantInit(&requestVariant[1]);
& f1 x K6 F/ D requestVariant[1].vt = VT_BSTR;
8 `, N, D6 i, g, W4 u j0 Y, o requestVariant[1].bstrVal = topicStr;) ^- }; u! l& V1 m
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// Set the DISPPARAMS structure that holds the variant.
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. q$ v* x; m" ~+ @( s) }- n dp2.rgvarg = requestVariant;
4 B! _% Y! |: }/ P- }" k' @ dp2.cArgs = 2;
; ~5 r% h5 T' X7 o: | dp2.rgdispidNamedArgs = NULL;
' Q W- c6 S: l dp2.cNamedArgs = 0;. ^% Q8 O; Z* c( t: h8 I
7 M* Q+ \& q8 f, i var.vt = VT_EMPTY;0 K' i- a9 @: Q r
5 H4 v, D K( J/ l9 ?// Call IDispatch::Invoke(), H( L+ B) b8 t! V
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hr = m_pDisp->Invoke(
! E5 e. V- k+ O4 \( u5 c5 F. x requestID,2 l" e) x) Y; b5 f0 o: g' m
IID_NULL,% b1 V k7 T; P
LOCALE_SYSTEM_DEFAULT,
: E3 s- L/ A1 X5 C DISPATCH_METHOD,, b# J7 x, w% [6 j: M: h1 [
&dp2, Z% e4 M- J, m5 S
&var,+ ?) d- q, p/ X6 a- f: Z; b
&ei,; z8 |5 S; {+ |1 d$ d
&uiErr);
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SysFreeString(topicStr);- q( W4 F' m4 Y8 _/ r' P; y
SysFreeString(itemStr);+ \, { n! m( p" J' |, m9 n( L A' R
请问该程序是获得extend里面的哪个值?
4 f3 E9 J9 S# R& L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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