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:4 G, {% o$ o6 n3 x
Name = (WCHAR *) L"Poke"; Q) F; b* h$ {5 @1 u( i! w
~$ u% v& z0 J ~* H$ G7 s( m4 ` hr = m_pDisp->GetIDsOfNames (
; @ n6 X" l0 X6 Y* H1 N* s3 Z% i IID_NULL, // reserved5 b8 \2 v D, [/ Z) {) Y: i
&Name, // Array of names to get IDs for8 R. b7 O& E f: @# C# g: K- D
1, // # of names in the array/ K' r6 N0 S8 l6 l1 P& ?
LOCALE_SYSTEM_DEFAULT, // System locale+ R1 w) c' b4 w: L6 N8 L' D- f
&pokeID); // Array of IDs to fill on output1 b+ @; `9 ?( B. a" z; Q
# g$ | _! L; |! y( k) ]* c: Z# R) P if (hr)6 R, V2 u& `! Z! K& ]- [
{
) Q4 ^9 F' a4 l$ h MessageBox ("Get Poke Unsuccessful"); F& b! u1 H+ B. n- H4 M4 e
return; o2 h9 U* C* s7 i0 Z) b/ @
}
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/**************************传递数据给extend**************************************/
& \) y3 o7 c/ w$ X7 p pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);$ \/ i2 X6 J; y. E: `
/ l* i& q+ S) |4 ] valueStr = SysAllocString((WCHAR *) L"1232");8 y7 n: \ S3 A# {" m) { N
VariantInit(&pokeVariant[0]);
6 |, F( B/ R5 s+ S+ \; R) M& F5 v pokeVariant[0].vt = VT_BSTR;$ N! b+ D! A& H/ s! F
pokeVariant[0].bstrVal = valueStr;" ~8 a* c/ |$ e( V# G1 f
. I! H& P$ Q% G% P& S( p itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");& v. h6 V: \' I- v# c9 x
VariantInit(&pokeVariant[1]);
+ K2 r: ]# {" r0 p& ] pokeVariant[1].vt = VT_BSTR;# X7 i9 h1 R; \& @. e% R
pokeVariant[1].bstrVal = itemStr;
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% ?# {% O* y: K, s topicStr = SysAllocString((WCHAR *) L"system");) b& N5 Z- p4 j
VariantInit(&pokeVariant[2]); 6 L) d& z; w+ p2 N' n
pokeVariant[2].vt = VT_BSTR;
7 E# Z1 V! F7 M' y" q pokeVariant[2].bstrVal = topicStr;/ R+ ]* m3 _" b0 E3 e4 D+ k
. z) P6 @% V' g // Set the DISPPARAMS structure that holds the variant.6 ~4 k& h0 [, [' L& ?/ V- ?$ j$ A
V! f+ q# ]7 Z K dp.rgvarg = pokeVariant;/ r j' J9 q# X* R. T8 J8 o
dp.cArgs = 3;; I( s/ ^! @+ W! S4 X6 d
dp.rgdispidNamedArgs = NULL;
1 J3 c" k1 C; h+ a# s4 `4 F! I) j. [ dp.cNamedArgs = 0;) \' n+ h/ p4 a1 M. {& p
" ?$ |7 }7 v6 ^1 @7 x1 D+ o // Call IDispatch::Invoke()
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- O3 q6 I6 ^$ i9 |/ g& J hr = m_pDisp->Invoke(6 P' x8 X+ o2 j
pokeID,3 m8 a/ v6 A) K0 D: Q, x
IID_NULL,: I- C4 {8 F" C+ @' P) d
LOCALE_SYSTEM_DEFAULT,
) Q( B# z9 J% y( I+ ` DISPATCH_METHOD,
- X( D a0 B4 ]- `' f &dp,( u4 M8 Q5 E) z
NULL,
: {% k. C8 x0 M$ D1 [ &ei,
4 x8 |. u: o& L" p; s: W( g &uiErr);9 @0 q0 E' D! T. P! {+ K
# G$ T# v/ U6 M! q6 b3 G SysFreeString(topicStr);
0 [. B: {& C+ W% ?, u SysFreeString(itemStr);: J( D7 N4 W- f; g
SysFreeString(valueStr);
+ \& q# E ^9 q/ \0 K# l 4 w2 W- w3 \ b- f
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???+ H" z- i; `! V7 w! P% d
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- h9 G; t) C' M* S2 v" u% x% x
// Request a value from Extend/ f* G8 @ r( K. m
//
: b: ]$ j9 H& p/ o7 U+ I // Initialize the variant that will hold the BSTR. Set the variant's1 X2 Z X/ _! b! K: S% z7 s
// type flag to indicate the fact that this variant holds a BSTR. Place the0 G0 @/ a6 S5 `; \! ^7 j8 q8 ]
// BSTR into the variant structure.5 F0 u3 M3 f! A" ^3 M: \
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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4 a3 V6 k$ r6 K$ }6 o itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
# _3 | Y$ q+ D VariantInit(&requestVariant[0]);
% x* t7 Q, z, D+ n% v E requestVariant[0].vt = VT_BSTR;
7 f6 U" p7 L Y* Z requestVariant[0].bstrVal = itemStr;
) X' t: h9 @; _) Y7 z/ x
$ v' D: Q9 o# i/ R; k, c5 }# ~ topicStr = SysAllocString((WCHAR *) L"system");4 ~3 S- x3 @6 _$ O5 r( V
VariantInit(&requestVariant[1]); 1 m$ l1 s6 A5 a- b% E$ u+ G
requestVariant[1].vt = VT_BSTR;
1 L5 Q% y" t8 M; l requestVariant[1].bstrVal = topicStr;% {7 Q& f/ P$ [4 R0 [
4 B. O0 E- Z9 ~, F7 V0 e7 ]
// Set the DISPPARAMS structure that holds the variant./ I3 ?) l% \2 q' p
/ q' J8 S3 d, z3 g8 S, `9 ]; V: c
dp2.rgvarg = requestVariant;
! d8 L8 u4 ]; k( T q( m dp2.cArgs = 2;
% W8 \, I5 a0 V( t6 o' T9 U( T3 ~ dp2.rgdispidNamedArgs = NULL;
/ Q. M3 b9 _+ L9 O' z dp2.cNamedArgs = 0;
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: C% A8 ]' j3 s6 D& O4 n# @, V var.vt = VT_EMPTY;% d' a0 d5 k9 @4 F" W3 Y7 q( Q& ~
7 w9 w. R" q- |/ n // Call IDispatch::Invoke()
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. s: l2 o5 ^4 T( U j( w7 D hr = m_pDisp->Invoke() O }. u$ E% T
requestID,
6 T! w8 X+ n2 ~' h/ C, C IID_NULL,: ?; d1 z" E$ D/ D/ U2 G
LOCALE_SYSTEM_DEFAULT,- W9 Q& Y9 }$ i2 ^3 Y
DISPATCH_METHOD,) u9 X! ]' A. Q- B
&dp2,
/ U2 z7 i" I n% M/ G: H9 x! X1 J! B &var,
" w1 H9 c5 h6 { &ei,
- {$ Z( p1 v* Q7 ~( H x &uiErr);6 e. K& v1 l- L4 D
8 [+ F1 q( F) j9 G2 y5 Y SysFreeString(topicStr);
7 D. p- p, r2 Y4 {0 V7 W8 U SysFreeString(itemStr);
; i4 p1 t& A3 X A6 Z( ?" i 请问该程序是获得extend里面的哪个值?
P* }8 X/ }3 p1 k( g7 j 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????
我来回答