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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:8 c) u8 \6 |6 l+ _2 q3 y
Name = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (+ {+ h! W% f( Q3 p
IID_NULL, // reserved# B$ v) u+ \- c
&Name, // Array of names to get IDs for
4 r0 Y R7 S! ]7 @, b& l; l 1, // # of names in the array8 ]1 x3 \7 {$ M+ l$ A
LOCALE_SYSTEM_DEFAULT, // System locale
* z1 ]) j; c4 X/ i) V. b5 J &pokeID); // Array of IDs to fill on output
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, ^+ C( e# } [6 `+ z if (hr)5 \2 G) {9 B( t" U1 O* n z E
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MessageBox ("Get Poke Unsuccessful");/ x! w+ ?9 D' T) N) O1 F. y
return;
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9 z5 Q( o8 `& c$ k3 ]2 i Q5 Q1 Y5 `/**************************传递数据给extend**************************************/) K- w9 H: f1 t: C9 T' P& E) X/ s
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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0 y( h0 [6 H7 N0 F" r valueStr = SysAllocString((WCHAR *) L"1232");. Y. u. Y' N' w9 k
VariantInit(&pokeVariant[0]); 5 ?7 i2 K8 _. u2 R9 q( p; R1 f
pokeVariant[0].vt = VT_BSTR;* w! ^( w9 H/ n. c
pokeVariant[0].bstrVal = valueStr;5 ~) t/ r5 B* t, `! J4 J$ J# L
) c6 T5 h6 v/ A. v5 n. H itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");) u+ p* I* {9 \4 l- ~. e
VariantInit(&pokeVariant[1]); " B8 {1 f) c) e6 t
pokeVariant[1].vt = VT_BSTR;
5 E0 W3 n; h0 m z" ?/ Z/ K! O pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");1 P0 x2 X1 {/ o1 ~
VariantInit(&pokeVariant[2]); 7 M) _) m( S% H! R$ R8 h
pokeVariant[2].vt = VT_BSTR;; F- ~: y& w" }9 \$ y* g
pokeVariant[2].bstrVal = topicStr;
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0 |" E2 b% Z6 Z3 Y' l// Set the DISPPARAMS structure that holds the variant." ]2 ~3 Z, ?2 _
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dp.rgvarg = pokeVariant;" `! P; G" [+ `6 o: E- i- {+ k a
dp.cArgs = 3;
5 H; h1 d2 a1 T/ O1 l: e dp.rgdispidNamedArgs = NULL;/ q& r0 _' E2 s) v) K/ V
dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()
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: R4 w6 j) y$ Z, F7 x9 B. Q hr = m_pDisp->Invoke(
: R* a2 U# v/ m" _ v+ s5 e; r8 K; N pokeID,& E" _- T1 o, k& i, c( Q6 Q" X
IID_NULL,
8 M% L1 h+ T5 \! Z3 V1 ? LOCALE_SYSTEM_DEFAULT,$ m9 [7 n! P2 K1 P
DISPATCH_METHOD,8 n. U6 `) x' e" Z/ J5 l) c, r; G
&dp,
) Q) g5 }4 Y4 c7 S9 O% {4 | NULL,6 q) Y- V: M( U& \6 b0 K8 A& B
&ei,
% @9 {: X) |7 q: Z# N8 w; |: _ &uiErr);
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( S u O) C( O3 q4 t2 f SysFreeString(topicStr);
2 \9 E1 U! P: t, V SysFreeString(itemStr);" ^% e' `. F1 G1 n7 d, ^; y) @
SysFreeString(valueStr);( f- a% C* g* t5 J7 K D( O1 A
8 }+ i1 b" R1 m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???
7 y* `! R& _ o) ]! u1 g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3 l7 Y1 Z3 I9 Q5 n: F! W
// Request a value from Extend- |7 ~. ?3 A; R* |* x* G
//, \/ ]4 j$ R5 |9 e6 X, _2 @7 W/ u
// Initialize the variant that will hold the BSTR. Set the variant's
% s4 C' X. j! K// type flag to indicate the fact that this variant holds a BSTR. Place the
& t3 u9 L6 ?" w0 n// BSTR into the variant structure.
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5 ^4 K5 F# q) j2 w requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
5 T- ]( a/ X( k+ z+ v, J p3 i VariantInit(&requestVariant[0]); 1 X( C( `) \& A j# k
requestVariant[0].vt = VT_BSTR;0 @% n3 j: g$ B3 Z' y1 E
requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
# x* z9 n6 ~9 d6 M. X0 D VariantInit(&requestVariant[1]);
+ ]5 u( [# X, ~ requestVariant[1].vt = VT_BSTR;) u- W7 X( U- P) n: C* E/ k$ K
requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.8 j) C/ `, Y: e5 ~. m4 V
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dp2.rgvarg = requestVariant;6 ?% f2 |8 r) u% H+ e+ t8 b& K
dp2.cArgs = 2;! q; W) k* y6 j+ P5 r$ T
dp2.rgdispidNamedArgs = NULL;
; Q& x; N7 o6 g dp2.cNamedArgs = 0;
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( l7 E0 M7 g+ k var.vt = VT_EMPTY;
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, E" k0 ]; z3 G; `2 j// Call IDispatch::Invoke()
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0 l+ G; W1 n4 N& o8 W1 e- d hr = m_pDisp->Invoke(. W2 i4 e- b+ P0 x' s [0 l
requestID,! R5 T% T% w; P+ o. e/ N. h! R" s
IID_NULL,
) f1 r: R) r: G7 D LOCALE_SYSTEM_DEFAULT,
) ?+ M/ m( B' x" F& q' M4 x7 } DISPATCH_METHOD,& B. ^) P2 `& x x9 ^
&dp2,6 ?( [1 d/ t; l9 ~# T: Z
&var,0 j, b. X7 Q8 R1 [$ N
&ei,# t; b. T: u1 k+ g+ z2 M
&uiErr);
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) K V- g3 x0 h7 P8 Z I SysFreeString(topicStr);
8 p3 I0 H" g( p5 t SysFreeString(itemStr);* c R+ _ ?6 W8 m! x
请问该程序是获得extend里面的哪个值?( E# J- g: i; L# [, z& ]' ~( C, k
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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