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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: I" w% j; R3 A5 Q7 L2 D
Name = (WCHAR *) L"Poke";1 P3 `2 f9 }1 K) ]6 z4 C
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hr = m_pDisp->GetIDsOfNames (
G, z) D4 P3 i3 A8 q IID_NULL, // reserved
' }/ v. w& ^+ C2 K1 [5 V0 W &Name, // Array of names to get IDs for" H3 n( p( E1 {9 o) y/ p
1, // # of names in the array$ J( o! K+ x' O+ @! \9 w! |
LOCALE_SYSTEM_DEFAULT, // System locale e- L7 q8 J5 p U9 i
&pokeID); // Array of IDs to fill on output8 M% Z6 F" F) _: D8 I
4 I, d$ _8 `" }& a' `9 i4 H4 r if (hr)1 E5 E) `9 S2 r6 }
{
' _# o# V, j P2 z4 z MessageBox ("Get Poke Unsuccessful"); E: v' U3 @, I2 \% L9 ~0 V
return;
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" h) [7 ?8 D; A! s, c/**************************传递数据给extend**************************************/
/ y, O& ~1 W5 u/ O k* } pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232"); H2 Z$ z/ d P
VariantInit(&pokeVariant[0]); * z/ [- X: g1 C! K* k
pokeVariant[0].vt = VT_BSTR;6 y' Z' q0 A; n$ |7 ^. @
pokeVariant[0].bstrVal = valueStr;
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7 g' g/ C0 i4 l$ X# G7 n itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
! O8 ?$ D7 n& L VariantInit(&pokeVariant[1]); - Q( \; x: l# E+ Q: i
pokeVariant[1].vt = VT_BSTR;! Q# C: v6 g! H5 K
pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");: |; t8 g; ^" F) u+ u) C# c) k
VariantInit(&pokeVariant[2]);
8 R: O0 `! t1 D: s' } pokeVariant[2].vt = VT_BSTR;
5 G7 }2 ]' L i1 t pokeVariant[2].bstrVal = topicStr;
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% t% ^6 u5 l" w) V9 E// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
' T: b3 ^ |6 U: `4 V& Q7 |/ r dp.cArgs = 3;: O) S; Y. e2 l' F& {
dp.rgdispidNamedArgs = NULL;+ l. c% i6 Q. [) b; h0 X
dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()& N& |& F: C; u) w
' v, A! k5 g- r, Y6 g. n hr = m_pDisp->Invoke(
+ C) F$ b g' W; Q pokeID," q8 }3 @) h+ e, s9 Y- g$ e: q
IID_NULL,
9 D4 v$ x- M( B4 g i! H9 r LOCALE_SYSTEM_DEFAULT, M2 M/ V+ i7 V) L+ z U
DISPATCH_METHOD,, w" r3 S" F- B- X+ @" L$ Z" {
&dp,
6 G5 i) U Y8 M# A5 ` NULL,
. l) z" Q9 W, p5 J7 x8 ^ &ei,& R, I( f- |7 H* J
&uiErr);
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SysFreeString(topicStr);
+ I. o/ e5 T- v/ A7 q8 X+ A* X, c SysFreeString(itemStr);+ ?5 q& e/ F1 q4 E+ O& t, A; H' l
SysFreeString(valueStr);; e( a2 H+ b: @3 G: W1 E9 t& N! x
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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???
# V! F( R* {0 S2 ]& ?" O& w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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, k7 h. O4 d2 X3 K2.这是request的程序% V( H" r0 E" E0 X% w
// Request a value from Extend
1 V9 b, H+ i3 V//$ Q' H" I8 [8 `2 \, Z" m: ^
// Initialize the variant that will hold the BSTR. Set the variant's
7 I7 t" U! R1 ~. ?( d/ ]( A9 L// type flag to indicate the fact that this variant holds a BSTR. Place the& G- |) X; R" U0 \( w$ r% j
// BSTR into the variant structure./ q) v: d3 r9 d1 Q \* o
3 Z* g. n; M% v: B/ A. i requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);7 P4 p' u. a' K
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
1 H+ l" ]+ d4 H& U( n } VariantInit(&requestVariant[0]); 3 W' ?& [0 s$ l9 e- o
requestVariant[0].vt = VT_BSTR;% f* ` O) g S% C/ A! t4 T
requestVariant[0].bstrVal = itemStr;' G9 c* g" `0 t z+ @9 E
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topicStr = SysAllocString((WCHAR *) L"system");' t6 u. B+ i, w# k# u1 v8 Z; h# d
VariantInit(&requestVariant[1]); 8 V5 ?# E+ N$ ] H$ d( B. l" P1 v
requestVariant[1].vt = VT_BSTR;3 o9 r: E) y1 c7 l
requestVariant[1].bstrVal = topicStr;2 T8 i2 L, o; d0 N: D1 B$ i
. F- i& F" S6 Q O// Set the DISPPARAMS structure that holds the variant.+ }! T6 d2 d; _' K: R
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dp2.rgvarg = requestVariant;
9 T% t+ d' ^3 j dp2.cArgs = 2;
* b. j# ]6 R! Y: K( H dp2.rgdispidNamedArgs = NULL;
# D ^/ E1 t* k, ]9 e7 \) f dp2.cNamedArgs = 0;) c% F: p8 Y% ~% i B( W: G; a; _
1 ?' o/ U2 w$ s$ t1 B, V var.vt = VT_EMPTY;! Z# u2 a- u5 e) H/ p5 L9 b
% d3 [& J% _4 E" J- \# a1 j// Call IDispatch::Invoke()/ }4 e3 ?+ @" y5 k4 y2 ?
: x9 }6 \' d2 U& W hr = m_pDisp->Invoke(
( S( F3 I+ o+ ]. p7 t5 H# w7 X requestID,/ P' t2 ^. `4 B) n, s
IID_NULL,
& {6 F; O* U9 b* n W8 [, p. y' [ LOCALE_SYSTEM_DEFAULT,9 }2 r4 }+ I1 t% J
DISPATCH_METHOD,
" W! N* I2 D$ S- b- z &dp2,( Q3 x# n/ Y1 w7 J0 @
&var,
) r6 J# H0 z' [* F &ei,
' a" f; s1 o& w+ v8 i &uiErr);5 P3 F0 K0 B$ b1 U- S% {/ O& {
9 C1 ]6 S4 M+ |8 G% h. z. |( z SysFreeString(topicStr);2 m" D, ^1 X8 J* t
SysFreeString(itemStr);
3 V; J. `# W' t请问该程序是获得extend里面的哪个值?
" W6 @* }5 l- z4 T' v' 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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