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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:" F8 m- x9 a: n2 f& |: m. G
Name = (WCHAR *) L"Poke";* i+ t5 f6 Y+ E+ C
2 X. G* n, i, [ X hr = m_pDisp->GetIDsOfNames (
- `" [+ D6 C: }4 B IID_NULL, // reserved
- g& b3 |4 `* Z$ [ &Name, // Array of names to get IDs for
% f( O$ L/ t$ {' U+ r+ z 1, // # of names in the array+ h: T/ V ?3 U2 [
LOCALE_SYSTEM_DEFAULT, // System locale( P4 H3 P% O' g2 s1 M* q
&pokeID); // Array of IDs to fill on output
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; d7 M3 K( g$ k3 ?' _ K& I6 u2 O if (hr)
: I/ c p3 }: t1 V {
+ z* Y* z8 l2 N$ [/ ]7 m5 r. a MessageBox ("Get Poke Unsuccessful");% A+ R/ [& [& a
return;
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/**************************传递数据给extend**************************************/
9 S- X2 H& j r3 g ]1 n pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);+ I, M' Z+ i0 H5 T
- d4 H+ y) L( q" I9 R+ T6 D+ f
valueStr = SysAllocString((WCHAR *) L"1232");& L6 J/ v* P+ e: j/ N
VariantInit(&pokeVariant[0]);
1 d5 b1 E, ~; u# Y$ O pokeVariant[0].vt = VT_BSTR;) K5 z, W' m6 I4 n, v6 T
pokeVariant[0].bstrVal = valueStr;- O* E C1 T' a/ B) K# b$ }
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");; l* Q; m' U1 @0 F- L+ U; K; t
VariantInit(&pokeVariant[1]); : B) P* |: Z3 H! r/ a* r$ V8 S
pokeVariant[1].vt = VT_BSTR;
& \/ q' \( b( @2 O. d4 ] pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
" N O, ?% @/ W VariantInit(&pokeVariant[2]);
% W, j6 X w- x, ^7 @+ j% J; O pokeVariant[2].vt = VT_BSTR;
7 i$ a. g3 @! O8 h pokeVariant[2].bstrVal = topicStr;, t. F/ i/ e# |4 Y# p
( X9 y) Z G G// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
9 T0 o) O4 k0 y ~8 w6 R8 F dp.cArgs = 3;
" u [& S I1 M2 @6 v8 N# y dp.rgdispidNamedArgs = NULL;- ?% M _6 e4 F+ z+ R
dp.cNamedArgs = 0;
- u% I) U/ W0 Z/ r9 Y5 h. m# n5 g$ J% _& k+ w* b" K
// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(. J$ B0 k0 l/ {6 ^( T7 N9 @- w& \; g
pokeID,
6 c; C3 g1 N; ?+ V" g* L; P IID_NULL,
" K+ I- L# C/ R" Z k9 m. F& D LOCALE_SYSTEM_DEFAULT,4 W w9 x. b2 U: d4 H5 ^
DISPATCH_METHOD,/ X2 z2 ?/ y" i
&dp," }2 L( C$ E8 B& r5 z
NULL,6 j9 l+ n9 D" i: U4 ^2 t8 c
&ei,
+ d' ^; i8 r) r; M" h &uiErr);
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9 t6 F) H5 M9 i6 Z/ ] SysFreeString(topicStr);
4 {9 _/ p6 T) s/ N SysFreeString(itemStr);+ M9 Y6 T2 |; V3 K9 j$ Y& W0 U
SysFreeString(valueStr);
0 @+ [5 B2 X/ r) B: {+ z- m2 E, `, @9 I1 r) 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???
7 E+ ^. z8 O; D& N& A) {( i. z* T6 X& 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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J _3 R0 i' h9 f, S ^1 L2.这是request的程序+ i! f/ o3 B) R- |1 E/ X+ I3 X
// Request a value from Extend
- w( p# A7 u$ [/ @% B//
( A7 C. T$ Z6 e. g6 j; B& L// Initialize the variant that will hold the BSTR. Set the variant's
Q2 S# j( \( Q0 K" c A// type flag to indicate the fact that this variant holds a BSTR. Place the
4 Y; v- c% d) M" W$ m/ ^// BSTR into the variant structure.5 O5 t* D h/ h6 J2 ~6 C& ]
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2); G2 z- K! j; Q& h( N
+ x- O1 e: i& T' j2 e
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
F6 l5 N! R; @$ ~' m VariantInit(&requestVariant[0]);
& q1 Q( E/ v8 i' b$ D. H( y( U requestVariant[0].vt = VT_BSTR;2 Z R5 x( y' @, p Z, G
requestVariant[0].bstrVal = itemStr;7 f' h: D/ l+ l8 p l, h0 l. ]
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topicStr = SysAllocString((WCHAR *) L"system");# o- Y, P; h1 V& f; _
VariantInit(&requestVariant[1]);
$ b& S' a% u" C% ~9 \" O4 W requestVariant[1].vt = VT_BSTR;
* L3 M* H' k2 r2 h/ [ requestVariant[1].bstrVal = topicStr;
& m5 W: ~4 e1 H! r4 z6 y; A$ b
; q/ E7 F2 h& _$ q$ n// Set the DISPPARAMS structure that holds the variant.; h. f% c1 A k$ L$ i5 {
. J U7 {8 u& m1 j1 X dp2.rgvarg = requestVariant;, @9 h& Y" `. b) r
dp2.cArgs = 2;* u$ |0 {' q( I; t h% ~2 W5 ]
dp2.rgdispidNamedArgs = NULL;
- e y8 @( U2 ` a3 a0 D dp2.cNamedArgs = 0;
* z1 d7 C* }& O' l2 c# D0 H* p
, G6 j) _# e3 C0 Q8 f! U% a, m var.vt = VT_EMPTY;0 {; U$ a6 Y( v6 K3 _/ K; y
0 k4 E& w4 K6 l0 Q// Call IDispatch::Invoke()
& f' y8 S2 r, Z/ f% u1 B' r# X5 B- ~+ ?/ k* j. f
hr = m_pDisp->Invoke(5 @) w: U6 y' Y/ N* Q
requestID,
9 K6 V. v A& q6 Y% @, O8 [ IID_NULL,
* j w' a$ e8 H LOCALE_SYSTEM_DEFAULT,
& V; N# Z/ w$ G; L8 f DISPATCH_METHOD,
: G# T' ^3 ?. N8 ]0 `2 K5 j/ }, C8 |$ M &dp2,
@# X$ S, x+ w4 F1 T1 Q1 P &var,3 J' ^. p4 b) k1 G% j3 @' K
&ei,
5 e+ `; t/ [, J4 f; B4 n Y% o5 S$ S &uiErr);
5 {; U5 N* V. _
8 J4 g, \- @) v* c; H$ S' B' G SysFreeString(topicStr);
+ [5 ?5 R; Z. e8 y/ l4 f- @- z- @ SysFreeString(itemStr);/ q4 n F1 Y) M t
请问该程序是获得extend里面的哪个值?
2 z; q. ] _4 f7 W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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