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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:1 s% b2 W4 m, q: H0 X
Name = (WCHAR *) L"Poke";
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' I/ q+ M. o* N" V hr = m_pDisp->GetIDsOfNames (
4 D: l" p- o3 a# K# R4 l* N IID_NULL, // reserved
0 j* ]) W8 e9 M# c7 J+ b; U+ _- W8 l &Name, // Array of names to get IDs for5 X0 ~5 U; [, P8 S. Y5 @2 L
1, // # of names in the array# U, N0 R5 \# \# W) W
LOCALE_SYSTEM_DEFAULT, // System locale
( I2 Y. [. J: c$ X8 y' ?9 T &pokeID); // Array of IDs to fill on output
5 {. |* u4 |/ I! o' q' p3 S. i) ^ ! h$ ^ J: n a; r7 J
if (hr)
* V5 _! ^6 y0 A& G6 v {
5 C: `4 I3 J6 T MessageBox ("Get Poke Unsuccessful");
- Z1 e* l0 V3 i return;3 k" d% p7 D& N$ f9 w
}0 ^ w1 t2 [1 o/ E. c# L) C6 U
) ^! \. I$ M) ~' d+ z. ^/**************************传递数据给extend**************************************/, X) Q* O N1 [- {% @. e3 Y: N+ r
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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% `3 I/ A$ v! L3 p: ~" X( q valueStr = SysAllocString((WCHAR *) L"1232");
* N' `0 @; U b: z9 w- j VariantInit(&pokeVariant[0]); 7 ^5 h& p* A, k7 N+ }9 c
pokeVariant[0].vt = VT_BSTR;( K1 N# y* A" L) u; [9 o* n' T7 v
pokeVariant[0].bstrVal = valueStr;+ J4 s2 n) C' {# }0 G
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
$ B* w# ~ { H t9 \* y' E# [ VariantInit(&pokeVariant[1]);
$ S$ Y2 P4 A5 w- z1 J" b4 a pokeVariant[1].vt = VT_BSTR;) t& x- }& _/ o, Y
pokeVariant[1].bstrVal = itemStr;9 M6 A8 I T% r2 C( _
; S* {: v; D* z8 _2 d' \ topicStr = SysAllocString((WCHAR *) L"system");. i( B( L3 L% ?) r4 I9 T
VariantInit(&pokeVariant[2]);
) D6 \; v& x f' l5 W% b: R pokeVariant[2].vt = VT_BSTR;
. S& u* k& l. ]" i pokeVariant[2].bstrVal = topicStr;) X0 b. z, G. W$ v2 Q
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// Set the DISPPARAMS structure that holds the variant.
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8 i' f- [% l4 v6 Y5 ] dp.rgvarg = pokeVariant;
" \; s6 T9 c; n @. V8 \4 ]6 X3 h dp.cArgs = 3;
. H. a; a* x1 p" i1 ~8 U( }( x dp.rgdispidNamedArgs = NULL;
/ h( \& K0 S6 u+ \ dp.cNamedArgs = 0;# b* M& W" _* v( @" l5 y6 ]: a5 p
1 Z8 A7 N5 z. G* {$ w// Call IDispatch::Invoke()
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. [+ e$ p Y8 `; A, x x hr = m_pDisp->Invoke(3 d% W' n( D3 N4 f9 [' G# J
pokeID,( q& j/ [7 L$ m. ]: b/ ]& q
IID_NULL,
1 e, [/ Z$ u" T LOCALE_SYSTEM_DEFAULT,' r4 x* V% ~3 C& {
DISPATCH_METHOD,
$ m1 g7 D4 r" J) g% A &dp,
4 p* |! X0 v4 C& R3 N" Y NULL,
8 k j' S7 X+ N4 ] &ei,+ b s; U5 V1 q0 @$ X, ^% \0 y
&uiErr);8 ?2 X/ I; ^, N2 h* W: i3 J
$ I2 z9 w( B$ S7 }, u, Y
SysFreeString(topicStr);
' r8 u7 g8 i1 x, ` SysFreeString(itemStr);( P0 O: g4 Y0 n* D
SysFreeString(valueStr);
1 ?$ k6 z) z& W6 J& w
; C7 H' |- U+ u! y: k: e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???+ g, z& Z f9 O& f7 S, z, `
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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* w5 t# I1 a4 q7 o% Y p# F2.这是request的程序. j) y8 [ B6 r: A
// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's: Z1 K% X, G/ W5 l6 R
// type flag to indicate the fact that this variant holds a BSTR. Place the
8 L; s# e" l" s" l4 G// BSTR into the variant structure.
3 ?9 J8 a+ K. y/ }
3 [& O2 `/ A2 z# s requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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3 ]" }: V: Q7 Q; g/ c4 ^ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");8 q. C% T/ |) P
VariantInit(&requestVariant[0]);
& H1 {- Z# w1 d! ~9 X requestVariant[0].vt = VT_BSTR;
# y, i" H2 E$ B8 G requestVariant[0].bstrVal = itemStr;7 s$ p8 u5 i6 w1 E9 w( Q- ?3 }9 V
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topicStr = SysAllocString((WCHAR *) L"system");
5 p; C! h* ]4 O# @/ ?2 X0 t3 k3 K VariantInit(&requestVariant[1]); ) A$ _1 r; S3 L
requestVariant[1].vt = VT_BSTR;
* }1 A& c+ \- q g* v requestVariant[1].bstrVal = topicStr;$ T: b h' m5 U
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// Set the DISPPARAMS structure that holds the variant., J" N( ^5 W$ n8 `2 \
" ? R) v2 O& T0 j' T; l' A$ l dp2.rgvarg = requestVariant;
& G% K/ b: o% s! [7 \ dp2.cArgs = 2;/ F$ v$ D5 x( v: X$ }5 i+ V. W- Y
dp2.rgdispidNamedArgs = NULL;
5 Q4 l5 J0 |# P' J0 M4 F. U; ? L/ Q dp2.cNamedArgs = 0;( f; i: ~# V# y3 \4 g
6 ^3 O- I( W$ n h' p. t var.vt = VT_EMPTY;
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U$ q$ V# F, c9 H) e" N// Call IDispatch::Invoke()
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0 J2 c. l- v+ S* C( S( c hr = m_pDisp->Invoke(- A9 }- p" C3 q: Q( T
requestID,# U5 t* H. x* t' g
IID_NULL, E2 ~: e* \* B1 P
LOCALE_SYSTEM_DEFAULT,
/ n9 y3 e4 b+ B2 |0 M+ J: X" ? DISPATCH_METHOD,
4 S5 d) P* P) K/ }( e: @ &dp2,* d1 ?: m) I6 f5 C4 V* A
&var,+ Z3 o0 X/ S% S# k7 @2 |9 _4 {/ A
&ei,/ Z8 I' Q9 O7 l" C0 C$ q- ?. `
&uiErr);- g- |, _& m$ ^5 S5 x6 v' W
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SysFreeString(topicStr);
7 s* p# ~9 c8 W8 k' P SysFreeString(itemStr);" L0 U: O) g* T4 A
请问该程序是获得extend里面的哪个值?
( C8 `; q) L# P# o d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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