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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:
/ b3 p# l1 ~; e& Q, m0 MName = (WCHAR *) L"Poke";: V) D" h, \7 h/ }0 v7 C! O
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hr = m_pDisp->GetIDsOfNames (
; H3 S/ `" C) t! k9 i( i IID_NULL, // reserved
% I* n6 \+ u( }7 i7 c* ?; G &Name, // Array of names to get IDs for3 j$ \+ h( |; [0 k' u) t4 {
1, // # of names in the array: {2 Q) @' r; N) r* a% Q
LOCALE_SYSTEM_DEFAULT, // System locale
, j; c/ P R, f- r. c &pokeID); // Array of IDs to fill on output- l$ H5 w/ O+ S& Y" ^, k
. Z" Y0 Z7 b5 _) s: N8 M' y- g if (hr)1 n3 s! _$ S2 M. b y1 [
{
; T1 o* H* ?# t4 h8 Q MessageBox ("Get Poke Unsuccessful");6 R$ s6 e0 M/ _& a6 h9 Q
return; Z* N+ X1 c% l' |! U+ k: n
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/**************************传递数据给extend**************************************/4 Z) A5 _" w! g- s7 K
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");
" {3 `, Z8 r9 p6 p' Y9 @# z2 v VariantInit(&pokeVariant[0]); 1 w- r; Q! x8 E
pokeVariant[0].vt = VT_BSTR;
; T$ o3 _: _5 @# M pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
. ^, ~. B' K" t! r J, `/ K3 { VariantInit(&pokeVariant[1]); 8 V) N. q1 |" j& Z1 T8 w
pokeVariant[1].vt = VT_BSTR;1 }) [; z! n9 K/ z& j
pokeVariant[1].bstrVal = itemStr;" ]( s, {" O- ], g* V6 |: e) t6 M+ a
+ G; y+ {4 [3 z- v topicStr = SysAllocString((WCHAR *) L"system");" z0 ^5 E9 q! e! E7 e
VariantInit(&pokeVariant[2]); 7 ?8 t) S: S' x
pokeVariant[2].vt = VT_BSTR;
# u6 J6 |! W: q* D! D, K3 C pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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5 [" a& j7 Q9 e" V8 ? dp.rgvarg = pokeVariant;3 \/ q: ]) F% s8 V# A8 J
dp.cArgs = 3;6 d/ o7 M9 Y0 p
dp.rgdispidNamedArgs = NULL; M5 X& f* {) e. h- T2 l. j+ i4 a
dp.cNamedArgs = 0;" m7 s2 R+ D- C" O
) q/ T9 p+ d( y; q' f- x0 b& v# H+ p// Call IDispatch::Invoke()3 j$ g V% d4 |5 r2 ]
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hr = m_pDisp->Invoke($ y/ d# R# c8 u8 e" d+ v6 ` }
pokeID,- S( g& ]8 y8 \" N
IID_NULL,! h! i) ^4 e( o6 ~
LOCALE_SYSTEM_DEFAULT,
4 _( h9 `& n+ l3 Z, w DISPATCH_METHOD,( O; Z8 Y8 L7 L9 o- [% ? j1 l6 G2 c
&dp,3 m1 N: ~ o3 g! m) d
NULL,3 e7 v+ e$ a, n7 N5 d
&ei,
+ c; H* @2 Y4 w: m: H &uiErr);( i/ C: i M9 b. v+ D- n
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SysFreeString(topicStr);
# p' }9 w& [; t) _7 } SysFreeString(itemStr);; _7 H3 n+ |) f9 `
SysFreeString(valueStr);% y& m2 g( m4 l6 V2 T& X0 _& u
* |& w& K) I( P6 ^5 r8 } ^# C% @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 v# e1 h( I* d+ s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
8 e( D. v7 t" q1 e// Request a value from Extend
2 [4 \( U; s9 N6 G//
4 l: h& {1 ]) A; e7 ?// Initialize the variant that will hold the BSTR. Set the variant's; L3 L" a7 o9 C0 Y; i2 V
// type flag to indicate the fact that this variant holds a BSTR. Place the
1 u% C3 x/ f' M! \3 v3 S// BSTR into the variant structure.( R) @# v/ `5 {. G N' I
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");; Q o" |3 H' A8 D' U
VariantInit(&requestVariant[0]); 7 r+ e! T) `9 J0 [; ?
requestVariant[0].vt = VT_BSTR;" n2 C% b2 P: q/ i1 a9 V F
requestVariant[0].bstrVal = itemStr;0 ^! f) ]% r. Y& D+ S3 E, a
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topicStr = SysAllocString((WCHAR *) L"system");
9 ~2 I. C( ^4 g* ~' } VariantInit(&requestVariant[1]); ; n: \ ~' x* ~ T& A
requestVariant[1].vt = VT_BSTR;/ a8 v* L2 G5 V( p* _! Q3 P
requestVariant[1].bstrVal = topicStr;
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* M# _7 k: t* w2 ]# L1 j// Set the DISPPARAMS structure that holds the variant.& n0 |/ |" u# k/ `# T/ J
3 D- H& m; Y- N6 \, L0 k dp2.rgvarg = requestVariant;
6 k4 A, M( p! C, v8 ?/ ^ dp2.cArgs = 2;
. b# ?6 {0 W7 Y7 x: m5 U dp2.rgdispidNamedArgs = NULL;9 g" z' V# V" X) g S& o
dp2.cNamedArgs = 0;
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% {3 w+ b4 J O8 b. S+ ^ }' r- r var.vt = VT_EMPTY;6 z( |3 y2 y: l+ E; m- H' B h
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// Call IDispatch::Invoke()7 w. Q3 _4 v4 _! r* D9 @; |) ~) J
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hr = m_pDisp->Invoke(
* ~9 B M8 Z4 S& ~( C# M5 o2 R requestID,( M( i. f. e( p) _" b
IID_NULL,
* O. T6 C) ]: X- L LOCALE_SYSTEM_DEFAULT,
4 G4 e8 o r2 w# j( S DISPATCH_METHOD,4 t- {& O4 Z0 k2 D y7 I
&dp2,9 p1 m; h+ Z, Z/ a
&var,# s7 X7 n- \+ r# c' r
&ei,
1 i: C/ H! P% y6 t &uiErr);
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SysFreeString(topicStr);
0 O: ] T3 X9 x3 @5 ?1 U$ K# f SysFreeString(itemStr);
' X" p. W3 k0 [" f, q0 N- G: M请问该程序是获得extend里面的哪个值?
2 W* q+ d$ Y9 `3 [3 \. @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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