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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 I! t2 F6 P5 k8 Q: w
Name = (WCHAR *) L"Poke";
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1 I, u" B9 _# J" Q+ e, u+ o hr = m_pDisp->GetIDsOfNames (5 z1 w. w0 n3 k& Q
IID_NULL, // reserved$ j+ o6 R* u$ m! m- S0 z4 w0 w. Q
&Name, // Array of names to get IDs for6 O; _: I% `# Z2 p2 {
1, // # of names in the array
& q a( N$ i( n3 g LOCALE_SYSTEM_DEFAULT, // System locale
2 z/ Z7 V- w2 o7 o" h &pokeID); // Array of IDs to fill on output
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& c1 T7 I1 c2 {+ L" V, x" I7 A, c if (hr)) Y; Z ?9 c5 _9 U4 @& |
{$ ?% G: s% l' ^8 j2 n3 }! D
MessageBox ("Get Poke Unsuccessful");
/ y; w6 R, f) O# E5 _" i return;
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; Z+ u! X. k1 Y! U1 i: _: m/**************************传递数据给extend**************************************/8 @" _4 l a% i1 R! w) {+ a7 t8 o/ ]% j
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");' l* w( T8 p( Y! ?& l
VariantInit(&pokeVariant[0]); . V X! M6 V% |1 G: J4 A9 y& d
pokeVariant[0].vt = VT_BSTR;) q) L) Y7 C& W3 s* N6 n
pokeVariant[0].bstrVal = valueStr;
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& p! d" M1 j5 H# ?! T) x itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
3 C9 Y7 |6 d9 G) ~5 s* F1 I/ h VariantInit(&pokeVariant[1]);
# v! Z) t& P7 Z( h8 a pokeVariant[1].vt = VT_BSTR;# @- k' X* V0 m8 _4 }0 O/ F6 q& f
pokeVariant[1].bstrVal = itemStr;4 H5 V% D6 r3 g' h
% L J k- Y& t; R topicStr = SysAllocString((WCHAR *) L"system");
$ v* @0 q6 C6 R& T" u: m- d/ F VariantInit(&pokeVariant[2]); : N6 @9 e4 M9 u) b
pokeVariant[2].vt = VT_BSTR;8 e6 w% [% [* T* U: V8 T/ C1 W
pokeVariant[2].bstrVal = topicStr;/ r1 [; Y1 {7 x/ K8 R
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// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;8 q0 M. ^4 f3 q
dp.cArgs = 3;
& J9 M& R: V( \2 r dp.rgdispidNamedArgs = NULL;
3 }. |! I* V$ R7 h dp.cNamedArgs = 0;
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4 V$ o, B, v+ H! X1 ]* Q// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
; W3 j, v/ i" g( J pokeID,7 P o% R) G/ Q, w' T
IID_NULL,- G0 z! Z" \* d6 Q
LOCALE_SYSTEM_DEFAULT,
( G- b7 s# t$ K/ d& p8 _ o, X DISPATCH_METHOD,# ^1 ]" B- y: D0 L4 o; j0 u
&dp," O N$ E" y- B
NULL,: t/ w0 q. @1 l0 D! w# l3 w _+ F
&ei,, B6 N9 L( V9 a) u. U- k7 Z7 S
&uiErr);
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SysFreeString(topicStr);
( H& j/ G2 c l SysFreeString(itemStr);
D0 [) R+ x& p. @ SysFreeString(valueStr);
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( ~6 k; P1 W( a* [: y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???
8 ?6 H- O) O& G- x5 v& G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????6 R' V# X- \8 f7 Z) v
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: s. Q; t6 o6 `5 R1 G2.这是request的程序
4 o3 h9 M* ?, a8 v' i' t; p// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's9 [% K9 T' E: q6 x6 t
// type flag to indicate the fact that this variant holds a BSTR. Place the. |# S+ z4 q4 g$ |5 v# w
// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
" @, J+ \6 s# S6 J& D( ]4 @% F VariantInit(&requestVariant[0]); * K: v" P) x) ]$ x; D
requestVariant[0].vt = VT_BSTR;( \+ M% T) o" o6 m9 e% h; g5 K
requestVariant[0].bstrVal = itemStr; v) ]$ O5 b0 }8 W0 y: H$ A
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topicStr = SysAllocString((WCHAR *) L"system");
( t r% F+ |! a4 ~, Y1 l% c VariantInit(&requestVariant[1]); . b7 m p( i7 U0 |( s+ D% x5 D; ^
requestVariant[1].vt = VT_BSTR;
/ Y+ w# Z" X4 @% ]% T8 L requestVariant[1].bstrVal = topicStr;
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+ l; Z- h5 b/ q" d3 T// Set the DISPPARAMS structure that holds the variant.1 M* @- `0 A7 g& E* T6 L
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dp2.rgvarg = requestVariant;7 p- g5 Z3 c( n, I1 T
dp2.cArgs = 2;6 @/ S4 @6 }7 x$ ^9 p
dp2.rgdispidNamedArgs = NULL;% w) N5 A6 A$ _8 Y# o }$ ]% Y
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;
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. f0 u. f# \; q7 e// Call IDispatch::Invoke()5 p' R7 a+ j$ W7 r6 ^( B4 i5 {7 @
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hr = m_pDisp->Invoke(
( C9 b9 } Z# b requestID,
+ z7 h9 v! H3 q4 F6 X IID_NULL,9 f. Q/ Z, u* o
LOCALE_SYSTEM_DEFAULT,
, L8 U' i7 G$ Z; A5 B4 R' ` DISPATCH_METHOD,+ j8 O. ?! |9 [! m5 z
&dp2,
; d! I/ G1 w% ~1 W M &var,
, f5 Z6 u# A3 M, C. o &ei,
; a& V4 F2 L2 Y) A! [7 R' ` &uiErr);
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5 A A6 @3 d6 I SysFreeString(topicStr);
* w' M* d$ U. X- w) f$ L+ G$ z/ ] SysFreeString(itemStr);
' x" v5 H: f3 v" `# j请问该程序是获得extend里面的哪个值?
" S4 n. y5 N: ?. }0 I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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