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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:
g+ `0 K4 l1 J+ y: `0 LName = (WCHAR *) L"Poke";9 L+ i+ G* a) q' ]3 r) |* Y$ I
8 q' \0 g2 r* c( ?) ? hr = m_pDisp->GetIDsOfNames (
3 ]* P1 e* h3 ~" m IID_NULL, // reserved
( o3 l) J/ o, f+ x& j$ G0 P &Name, // Array of names to get IDs for! G* Y7 w* k9 R6 O v4 v
1, // # of names in the array
8 m, Z6 p4 l# l( y8 M! k LOCALE_SYSTEM_DEFAULT, // System locale# Z; V, l! y6 ?% t
&pokeID); // Array of IDs to fill on output
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! p2 s. S" r& m( \! w if (hr)4 O; z3 l: ]3 M' M- @
{
# g- t* \8 |6 A+ Y" J8 w MessageBox ("Get Poke Unsuccessful");/ W0 a+ i9 j: x/ d- K
return;* j- i p ~2 R0 o
}
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, T9 |# L3 Z; J1 t0 L0 m/**************************传递数据给extend**************************************/% K1 z: r: c8 T' G; J) u
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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S% d: M' z) x) b* ^8 B valueStr = SysAllocString((WCHAR *) L"1232");& ?/ D1 r2 P6 I) N5 O' Z n$ g! z
VariantInit(&pokeVariant[0]);
9 U/ n$ @' v. F/ z e6 D: _ pokeVariant[0].vt = VT_BSTR; D) S' Y* Y! j2 w. u
pokeVariant[0].bstrVal = valueStr;
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1 n$ e+ A: W2 @! q9 j itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
" n2 F. g1 u/ R0 m Y% _ VariantInit(&pokeVariant[1]);
- W( v4 a, q3 ]9 b) E pokeVariant[1].vt = VT_BSTR;7 L* n8 a X; y2 i
pokeVariant[1].bstrVal = itemStr;
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K9 t& t9 C( h9 B topicStr = SysAllocString((WCHAR *) L"system");
& W) i/ ]% c: u' b VariantInit(&pokeVariant[2]); ! V' F# V- Q9 O( I7 I
pokeVariant[2].vt = VT_BSTR;
, R8 O2 p% z v8 U+ } pokeVariant[2].bstrVal = topicStr;/ T m: ]: f0 t6 p( _
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// Set the DISPPARAMS structure that holds the variant.. I* k8 t' O2 g8 z! j! [
% x* R5 F+ f- c2 I5 s- e$ `
dp.rgvarg = pokeVariant;
/ y1 x$ Z6 i6 f5 x3 ]. Y' ^ dp.cArgs = 3;% p9 C# f$ b4 s& T( W8 |/ s. P
dp.rgdispidNamedArgs = NULL;8 |: S) o/ y' }' f
dp.cNamedArgs = 0;" d, a: @0 ]- ]0 V
" t# R2 k) W' D8 `2 x
// Call IDispatch::Invoke()1 U7 A; S! F* `* v4 g' g
2 Z, V2 z: }# i5 o4 Y( j! k hr = m_pDisp->Invoke(8 N& j! k& ^4 l
pokeID,+ T% X c+ i) M- t$ u
IID_NULL,9 C6 ]4 Q3 T6 t( |5 C& S2 I! x
LOCALE_SYSTEM_DEFAULT," w% Q& U8 _' E% k% j7 C0 T
DISPATCH_METHOD,
3 h" M5 J) C6 |; i9 i, C &dp,2 Q1 V' d- H9 u" {% Y; O6 W( p, p
NULL,
5 u/ z0 f1 B9 J9 I3 J* D &ei,
9 |: d& z$ I) u &uiErr);, ]8 y9 E( e( C; Q+ }5 d' j' W& `
, O) e9 {( y. i0 }) R+ V$ O SysFreeString(topicStr);
' G ~# S3 W- q& }+ A' M+ H% z$ @ SysFreeString(itemStr);# [4 A3 e* a2 V8 c* p* C# e& A" |3 ~6 j
SysFreeString(valueStr);: E8 Z' M, ]7 A# Z9 { B
& O- W) J+ \. y" ^" D3 s# s7 L9 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???- k) I( y: v7 g, b/ L# P3 l5 M
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????8 V, p# @ _+ C3 G8 C& h7 [) [! k9 p
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. S7 k9 F4 l7 Z+ x
2.这是request的程序4 u5 F8 B, Y) A3 Z+ o# Z6 ~6 b) T
// Request a value from Extend
) T# u; L2 m+ s% M4 R9 M//' _1 u2 C. y& M. Y5 t
// Initialize the variant that will hold the BSTR. Set the variant's
2 H( Z3 _ p7 C) g( D' M8 e// type flag to indicate the fact that this variant holds a BSTR. Place the( P# k# ]5 f" l0 U/ L( ~; N9 d! h) D
// BSTR into the variant structure.
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& m* ~/ k$ |; k requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");' A! N' j6 M' V& o
VariantInit(&requestVariant[0]); : Q4 w# h- p% m/ d9 R
requestVariant[0].vt = VT_BSTR;
( B3 k: S9 q6 C( u7 J requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");1 T% r4 w4 x" o5 C" [
VariantInit(&requestVariant[1]); 0 R' n" n& j1 n5 E5 W
requestVariant[1].vt = VT_BSTR;, [) F, g7 F i5 @( M0 I& Y
requestVariant[1].bstrVal = topicStr;- O/ t' |( a( S/ k
* Y. j+ W+ O/ z) q& `
// Set the DISPPARAMS structure that holds the variant.( [0 Z2 \8 _; X' Y2 E, N
8 r1 E2 m3 i: `/ i dp2.rgvarg = requestVariant;
$ \' F& [, a9 F dp2.cArgs = 2;% E) s2 m4 W B* S* Y( J* F8 o9 j6 k
dp2.rgdispidNamedArgs = NULL;
1 k, Z" o% t0 i9 U dp2.cNamedArgs = 0;
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. e j( D* k+ @5 ?% A. A6 k$ G4 ^, C2 r var.vt = VT_EMPTY;. \: P! i; L y* h+ _, z3 I3 |
5 y+ x( N' t. H/ j// Call IDispatch::Invoke()/ T1 s3 P4 Y: Z5 k8 n
+ {- D+ a; X1 C# v
hr = m_pDisp->Invoke(+ ?" L0 K% s* `! z& j0 D, b
requestID,8 B9 |5 s: X1 C# A
IID_NULL,
" H- a" w1 T/ n( Y% c7 f+ D( P LOCALE_SYSTEM_DEFAULT,
( _6 g! a, s6 e7 Y# g N9 \ DISPATCH_METHOD,
- X! [, o" J3 P3 A+ C Z4 Y &dp2,
2 b1 R! V1 ^ Q' B9 e/ H9 {* {' } &var,. ]( n% r' d$ v( Z
&ei,
5 z$ {5 D/ h. F t3 i* i" S% k1 H &uiErr);* z, N. d5 W: o5 e
& b1 s2 Y# ~7 m! r u
SysFreeString(topicStr);
$ |1 I1 d7 A" m) t$ C SysFreeString(itemStr);5 v; V% o4 G, ]# w( l% u8 i' u
请问该程序是获得extend里面的哪个值?
5 k5 T5 F, U1 c: 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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