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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:
! q$ ~7 E9 w6 H/ S5 `3 C/ w! T5 qName = (WCHAR *) L"Poke";5 z) f3 F+ C! L0 A
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hr = m_pDisp->GetIDsOfNames (2 M1 c0 t1 o8 ]1 X; K) w
IID_NULL, // reserved
5 E2 t, [) g9 W! d( c &Name, // Array of names to get IDs for2 ?7 n! E+ C4 Y7 Y2 G
1, // # of names in the array/ }* N4 K- N6 z' T; l2 Y8 S+ n
LOCALE_SYSTEM_DEFAULT, // System locale* } c1 B" ? K/ A
&pokeID); // Array of IDs to fill on output- N5 k- a' C+ [- B
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if (hr)
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MessageBox ("Get Poke Unsuccessful");; \0 y# s3 T0 }+ J
return;/ w! P2 y! d) f+ r
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/**************************传递数据给extend**************************************/5 q7 y: Y+ [7 T) W5 I+ o
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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$ x' V; q2 J% d$ C( s2 m2 {2 w valueStr = SysAllocString((WCHAR *) L"1232");! J7 f+ b$ m: X0 m, F
VariantInit(&pokeVariant[0]); $ R" g! j" h" Y9 P
pokeVariant[0].vt = VT_BSTR;
1 B' ?4 @4 y g6 U6 X, h5 l pokeVariant[0].bstrVal = valueStr;2 @$ v3 C" Q) z/ b+ m9 r' ?
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");9 E. t0 `" Q4 X5 k
VariantInit(&pokeVariant[1]);
4 Y1 x8 l- d K- Y/ F4 N: ?1 {! l pokeVariant[1].vt = VT_BSTR;$ \* s/ j: W$ g/ L3 T
pokeVariant[1].bstrVal = itemStr;" i/ ?1 f! J( t- {4 n2 D# E" V8 V
3 i6 i& Y+ Z- @/ Z3 \5 p X! S topicStr = SysAllocString((WCHAR *) L"system");
" ~% X2 @5 k8 P6 a9 s VariantInit(&pokeVariant[2]);
% _, X2 P8 h7 Y/ N1 n Y5 Z, I$ \ pokeVariant[2].vt = VT_BSTR;9 [" M5 C! A& X( P
pokeVariant[2].bstrVal = topicStr;
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$ G8 @' j- b1 I2 D9 U+ p) N// Set the DISPPARAMS structure that holds the variant.6 V; k4 p( L2 q) b6 z: e4 F. P- k+ r
& `$ A- I) q0 _1 R1 g dp.rgvarg = pokeVariant;
/ E4 K3 W% Z5 F9 ^ dp.cArgs = 3;
, }6 U0 x( N1 E1 g& K. B& f1 l0 z dp.rgdispidNamedArgs = NULL;- @) A' R% j0 @8 l4 \. X
dp.cNamedArgs = 0;' o8 p1 ]4 [% }* J$ `. |
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// Call IDispatch::Invoke()
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$ t" \% Z! [; `4 u8 [1 F hr = m_pDisp->Invoke(8 J0 e; K* }& E7 U0 u5 n+ H: h2 I
pokeID,
* a7 S$ X+ ^+ V IID_NULL,8 b9 y* N9 G3 \; @% W# V
LOCALE_SYSTEM_DEFAULT,3 H5 {0 t x' D
DISPATCH_METHOD,& O5 X1 h3 Y0 j
&dp,
3 u8 }, P+ E$ M% o NULL,
& `3 _! c% g) {% M" k2 R/ T &ei,
/ J: D+ v5 b6 G/ V% ~9 W &uiErr);: I3 A% S, k' F, o# U+ o0 x, B( j0 N
6 |2 p$ h$ i5 H# \0 X z
SysFreeString(topicStr);7 x- ?! h. M/ v7 w/ E
SysFreeString(itemStr);. m5 O6 w' Y; o
SysFreeString(valueStr);2 Y- }* n5 J V# ? W
0 q# I( j2 o. v: q. n( x2 w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???
, D/ \# X9 G6 H6 @3 `5 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????
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2.这是request的程序( J' k8 }5 K! y( T8 m* W
// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's* L# n4 C, l# ?: v; T4 j7 U
// type flag to indicate the fact that this variant holds a BSTR. Place the, Q# i: P, j$ P' i
// BSTR into the variant structure." s3 u7 Z+ F9 f; t* j+ w& ?
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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+ c3 O9 ~1 o7 v3 u* r6 | itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");- k! K& z; Z8 ?
VariantInit(&requestVariant[0]); / @7 P, R& D2 K4 X
requestVariant[0].vt = VT_BSTR;$ s0 ?- d* @& Z! u- N
requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
& e* y) G) m* Y* b: } VariantInit(&requestVariant[1]);
* W1 t- M6 K3 e" m; X2 d$ Z requestVariant[1].vt = VT_BSTR;
" M" F `4 |2 P3 e- Z requestVariant[1].bstrVal = topicStr;
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2 ~+ O* x9 V' U# G8 |* i3 d# h3 B, R// Set the DISPPARAMS structure that holds the variant.
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8 C ^( ^1 ^4 p5 Z+ ?. U: o dp2.rgvarg = requestVariant;$ P4 ]7 F- n/ H# c* P
dp2.cArgs = 2;4 P# x* E2 |5 z1 X# ]
dp2.rgdispidNamedArgs = NULL;
* Z$ c- G# X) l$ Z dp2.cNamedArgs = 0;$ \) `8 X0 ~& p# |. e& f2 D
: Z3 A! U# K( c+ r var.vt = VT_EMPTY;+ ~- A4 L. b; Y0 r* O4 ^
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// Call IDispatch::Invoke()" f* L) z2 H0 w" w
; |( [6 x8 p( N! l hr = m_pDisp->Invoke(
" t2 h F% a0 [% @" [ requestID,5 |0 s' O! |8 ]+ P
IID_NULL,( |6 W" x- z) _% F) y$ Y' o
LOCALE_SYSTEM_DEFAULT,5 d$ ], z- H$ Q) N. `; U0 E
DISPATCH_METHOD,
8 c, Y2 {+ y9 P& v% s: j &dp2,
1 ]/ n+ \2 R& D9 _4 q &var,
7 X$ S4 c/ h( ^1 Q# _0 G7 g &ei,* A" T; _, s3 K" a( h1 l
&uiErr);, O5 Z2 u+ U" F( r7 x) Z- S
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SysFreeString(topicStr);
( }- F6 `$ w* i# Q- b4 n4 U9 Z SysFreeString(itemStr);
2 ~3 i' ~7 D A' ]4 w7 e0 m请问该程序是获得extend里面的哪个值?, H$ ?: t0 H g/ j/ k
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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