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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:
0 ~: ?2 }' h. a! C9 h; q5 G {Name = (WCHAR *) L"Poke";0 R5 X; e* Z# L1 c! L
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hr = m_pDisp->GetIDsOfNames (
; a* w1 R. O, D2 H IID_NULL, // reserved
' d' }5 g. s! M6 A/ l, v &Name, // Array of names to get IDs for
; M6 v5 d5 I' ~- S$ s 1, // # of names in the array
0 v( U6 o! E) Y LOCALE_SYSTEM_DEFAULT, // System locale5 n6 N" N9 S& w
&pokeID); // Array of IDs to fill on output
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if (hr)$ L- [7 T, G2 E' l
{
0 X" B7 K3 O" T' A( f MessageBox ("Get Poke Unsuccessful");1 C- S1 \' ?: G9 v& @$ \5 j' E
return; k4 s. {/ R" _+ g2 x4 \/ e
}
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/**************************传递数据给extend**************************************/+ k: @7 E* P2 l& x2 s) P( d1 a s$ E& p
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);9 f: S7 B" L: t0 ^- X& C) b
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valueStr = SysAllocString((WCHAR *) L"1232");2 Q( c' V' B1 m3 z+ W& G. f( d
VariantInit(&pokeVariant[0]);
) ~1 z, X4 p7 u( f1 ?$ I pokeVariant[0].vt = VT_BSTR;1 X8 _1 c5 e) u7 W* X/ ]9 p, {
pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");+ V5 {9 d5 J, r$ i
VariantInit(&pokeVariant[1]); 6 q2 k5 c$ |. N! M( p; }0 w% `
pokeVariant[1].vt = VT_BSTR;
( D' v+ E# R. H1 `' N pokeVariant[1].bstrVal = itemStr;" y3 F: {. X! m% T3 D7 G+ g; Z6 `
. z0 k, @) j- ]2 A" I4 V( W3 f+ q- A topicStr = SysAllocString((WCHAR *) L"system");+ c5 ]5 {3 N0 M
VariantInit(&pokeVariant[2]);
2 V" p& L! L) R' \ pokeVariant[2].vt = VT_BSTR;
5 E, Q3 l: M( V( U/ [ pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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+ R9 o7 g/ N: g; q6 w' N dp.rgvarg = pokeVariant;
# w: p7 T8 l( ]5 m2 O dp.cArgs = 3;0 L" p3 @2 f) N; v% O6 J$ Z1 b5 ?
dp.rgdispidNamedArgs = NULL;
7 G# ?( \1 q: u1 _7 w/ { dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(. L1 | W# ^, W, v: n/ a( M
pokeID,
' q1 h, L/ y% ^9 e& u IID_NULL,
7 K0 z1 X, e7 O. M9 u: f+ j LOCALE_SYSTEM_DEFAULT,
0 N" U/ c2 ]# m: W( ] DISPATCH_METHOD,
$ e- ]5 U2 P8 O; H" o4 |6 j &dp,
z0 _/ p, g) D* e; f. V c NULL,: Q. m5 V! C$ \$ e+ W5 ~) [
&ei,
; ?4 k! P1 s A. Z j+ T &uiErr);# z% i% N; l$ W. Q! i9 Q7 }
+ F; z4 |: E3 d* m# X SysFreeString(topicStr);3 u6 w- T; g3 t7 @) C3 ?
SysFreeString(itemStr);
4 W# |4 y6 s: n6 ] SysFreeString(valueStr);
3 @: W7 U" s: P" ^8 M& k/ I3 y# o
- m7 Y5 {4 c: B* @% T- 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???( }6 B+ z, X# `% _! q
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5 p1 U# y A6 e3 e+ E
// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's
/ z. Q* U1 v" a( J0 }// type flag to indicate the fact that this variant holds a BSTR. Place the" k: v9 L9 e5 u/ Y" k( e
// BSTR into the variant structure.
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( x. w' V& ]" f; m% c1 J8 [ requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);% |4 \! k8 L0 b" Q
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
: q) K2 i; Y3 ` VariantInit(&requestVariant[0]);
5 z. ]- i5 W! W _: v7 S requestVariant[0].vt = VT_BSTR;0 ~! F# f! r5 H
requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");; p2 c' u' a! b3 y$ s2 O! ~0 _
VariantInit(&requestVariant[1]); 1 T# l1 U% g# _# c* f. R" P( g; P% @, p% O
requestVariant[1].vt = VT_BSTR;
$ _$ K5 {/ E$ U& l) G' A T requestVariant[1].bstrVal = topicStr;
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( N+ t( i5 Y; a' b// Set the DISPPARAMS structure that holds the variant.
, V( u% j1 U: {& H2 V4 J) E# o2 e$ X/ I# {
dp2.rgvarg = requestVariant;: W7 P% t, F! Q( l. Y% B
dp2.cArgs = 2;+ w0 T$ f0 j# f, q
dp2.rgdispidNamedArgs = NULL;
/ Y5 _4 T- }% S7 \4 T$ v/ T dp2.cNamedArgs = 0;+ K' p9 w; K) a v0 T
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var.vt = VT_EMPTY;( v. G# V8 \$ `* c' l
& u' Y0 Z' m) d% r$ F6 O: P// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
1 k$ C; N4 F3 y6 [8 n! M3 e requestID,
6 l% u2 l. `) ]; N0 X, g/ U IID_NULL,
" @+ j2 o) L; @5 p9 ^9 e1 P LOCALE_SYSTEM_DEFAULT,
) V% A- ?- s. x1 y5 E/ j5 C DISPATCH_METHOD,
9 |# |0 |$ x3 [) j &dp2,7 H. O6 @* {' Q: o: W
&var,
2 L3 T1 s8 f e8 j/ k &ei,7 R0 v6 L* i7 x! ~7 J2 A% u
&uiErr);
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SysFreeString(topicStr);' q6 ]$ y7 ^( C0 a
SysFreeString(itemStr);
5 c5 ~8 d6 v) I8 u1 b请问该程序是获得extend里面的哪个值?
3 Z$ P7 ?6 e, I/ K9 {1 m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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