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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:
/ Y% B7 H' V5 KName = (WCHAR *) L"Poke";" u% e c/ |2 \5 s+ K+ b" T% p0 k
y; H) E/ M: j$ g) b, o hr = m_pDisp->GetIDsOfNames (
& A* w2 X K; J C IID_NULL, // reserved& A2 u9 E: I2 V3 g5 G5 s. r
&Name, // Array of names to get IDs for
/ b# _3 [! B3 [2 C) G 1, // # of names in the array" ?' V0 w+ L/ r* D: d
LOCALE_SYSTEM_DEFAULT, // System locale B/ j3 A. K& T
&pokeID); // Array of IDs to fill on output
% |8 V3 V C' m0 B2 u0 _ " v6 u1 q/ S8 L! ^- {
if (hr)" W5 `: N- Y4 C5 C) Q
{
. j) z* ]# E. U MessageBox ("Get Poke Unsuccessful");
6 ~( p! b0 h0 J" I# y: P1 C return;& E% |2 o3 `+ f3 {+ _; u' \! p) s
}
" S4 @9 T! l% e3 T8 S7 ?$ L& A, ]( ?
/**************************传递数据给extend**************************************/$ m' j6 J. b( c
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);5 y/ C5 [+ a4 }+ u9 }
' w2 m; K( W( W0 d
valueStr = SysAllocString((WCHAR *) L"1232");* @& }! M+ `" u
VariantInit(&pokeVariant[0]); & y* T9 b5 o( v7 H
pokeVariant[0].vt = VT_BSTR;
+ M; \* g5 U* k6 M, D+ B pokeVariant[0].bstrVal = valueStr;9 a! h) \: c, J1 T7 z
- k7 k% C3 Z$ t0 ? itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
1 I! v' }1 \! G8 j {: p VariantInit(&pokeVariant[1]); 4 [& l0 y- [! |$ g: S
pokeVariant[1].vt = VT_BSTR;8 ~0 {& v6 c0 X
pokeVariant[1].bstrVal = itemStr;& ?5 M6 e; Y o, d: J+ F8 |1 a
. S6 W/ L4 O& a) ` topicStr = SysAllocString((WCHAR *) L"system");7 S* G# @' m4 h( E, x4 I$ ?
VariantInit(&pokeVariant[2]); ^4 Y) f0 S3 b- Q; r1 _: L
pokeVariant[2].vt = VT_BSTR;( j4 g% v1 V/ }0 M9 j& n
pokeVariant[2].bstrVal = topicStr;
) B0 ]1 `6 H3 d8 I1 y3 p
* z" ?3 V, [" z' s9 \// Set the DISPPARAMS structure that holds the variant.- P' Y3 r2 Y& P( p. o
6 D$ s* v' u) G" k+ O8 E# U
dp.rgvarg = pokeVariant;/ Y: |# s6 E9 p6 f
dp.cArgs = 3;- @% I A* F. \: b W+ K0 ^
dp.rgdispidNamedArgs = NULL;! Q. ]3 U3 X* |. G1 d$ ^& {$ {0 `
dp.cNamedArgs = 0;
: ~- y2 }: I0 A P* O' `' x4 j c& F" m# R$ {* Z) T! Y! G
// Call IDispatch::Invoke()
: { j* e3 x" F- [0 [, N$ [, u) s5 Y8 w# y! S& a
hr = m_pDisp->Invoke(' K9 o" o% k8 J8 f8 `- J0 F7 N
pokeID,
. I$ Z; k" C& I) g6 v6 @' y/ F" ? IID_NULL,
) @$ t9 K+ t$ S! ~ LOCALE_SYSTEM_DEFAULT,+ S- y; Z; e* \
DISPATCH_METHOD," ~2 A) @- W. S
&dp,
; m1 S+ ~' _% N' }. K; Z# v: }- I NULL,
2 U1 p. b: G( a &ei,
6 X |7 e* z: U6 D7 t7 E &uiErr);
9 x! x' M5 a$ a* g }4 \/ u( n4 m* J! Y
SysFreeString(topicStr);* o, G/ _# w i0 o3 i+ C0 T N5 {
SysFreeString(itemStr);
$ ^5 c4 ~ g b7 b/ m4 Y SysFreeString(valueStr);
+ K" F8 f# o7 S& h; i% I/ r. k0 G( T9 _
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???
2 t( q$ q3 M2 @$ k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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% k f% Q# c4 n( p" L0 A I1 l) m
: l, Q3 Q# ~* |7 M; P G: Z3 V1 i2.这是request的程序
7 N6 \4 v5 s* J7 s, w% d# v// Request a value from Extend
' [( {/ ]- |! U! t3 v" E* w5 z//' {% ?3 x& d, p l3 _
// Initialize the variant that will hold the BSTR. Set the variant's
! z( ]* Z# C4 ?. Z// type flag to indicate the fact that this variant holds a BSTR. Place the
5 s5 \2 F# ]* C7 s: y// BSTR into the variant structure.) y/ V( v. u/ l' g" C X1 r0 W5 U
; \. z7 \, J& L requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);, I& H& A- W. @/ _2 @4 ]! l
! e& U, L4 o) U/ J$ \1 N
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");0 f7 g" e4 D, S3 O) f `0 @
VariantInit(&requestVariant[0]);
( K! @* R. M+ | |$ x+ p requestVariant[0].vt = VT_BSTR;- g* M' ]5 B7 a t0 E
requestVariant[0].bstrVal = itemStr;, H% O8 \) W' d4 C
! `8 r% H# I& c' ^4 Y
topicStr = SysAllocString((WCHAR *) L"system");2 l1 Z7 U8 X6 m- w, e
VariantInit(&requestVariant[1]); 9 a) z; n! N( h3 S4 f3 {% C
requestVariant[1].vt = VT_BSTR;7 [! u2 c! I8 u# }. P
requestVariant[1].bstrVal = topicStr;
) I1 e! u. D( |" Y- B, H' k2 p* Y2 r& r2 m0 x8 a+ l, d
// Set the DISPPARAMS structure that holds the variant.4 K$ n3 g9 N" C( S
! r8 ~6 g& z- s- m" ?1 [ dp2.rgvarg = requestVariant;9 f4 g) _- L/ a' r/ H: D$ d; `2 z+ n
dp2.cArgs = 2;
" X: Q. u$ I/ a$ t# G5 T H3 ? dp2.rgdispidNamedArgs = NULL;
3 R9 W/ M% k2 z: R dp2.cNamedArgs = 0;+ X. j' }' \9 ? i& h: L, T
( U7 V: @' k9 G5 q; s4 c* w' n/ Q* f! a var.vt = VT_EMPTY;
8 |7 ?$ W( E$ E6 Y4 g6 p" U" [' c9 d5 {/ a! J! \
// Call IDispatch::Invoke()
* c4 B# L5 v/ b! N& D; X' S+ H2 j" a# Z" I$ D6 k* x, Z
hr = m_pDisp->Invoke(
, p9 a& b: a/ f% l requestID,
' x5 S& t7 [8 n5 r4 e7 N4 v1 O IID_NULL,
2 q! U3 n* [! M LOCALE_SYSTEM_DEFAULT,
2 L, z) y" t7 A. p! d Z DISPATCH_METHOD,
, }" B% _0 B6 E( \5 F& H) f &dp2,
. E6 T9 |9 V$ Y7 C" @, c &var,6 T2 q6 ^$ f0 E4 c+ L7 q8 N9 H
&ei,
4 ^% V6 x* X9 Z8 I8 X$ J; T2 v &uiErr);
% J( c! i9 k- A
$ n+ @: P% d6 `( ? w0 B SysFreeString(topicStr);9 ^$ ]* h' T6 ^/ T( m
SysFreeString(itemStr);. R5 w' _* m) |5 n+ n1 e" H
请问该程序是获得extend里面的哪个值?5 c4 [+ C0 q3 m7 u7 p
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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