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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:
5 F! t9 g- {- L6 A5 yName = (WCHAR *) L"Poke";* v( i7 ^$ {; J. E. b% Y
* t9 l3 |! j+ A. S! S, `) Y hr = m_pDisp->GetIDsOfNames (
6 M8 f8 Y1 ]6 c6 J. j: ^ IID_NULL, // reserved4 k1 m0 s" E& F* \6 y4 D& o O- ~
&Name, // Array of names to get IDs for
1 G, Q4 V$ U( N 1, // # of names in the array
- G( x! j6 |( F" T f7 X LOCALE_SYSTEM_DEFAULT, // System locale+ D# i7 P. J( h. o
&pokeID); // Array of IDs to fill on output
6 M6 H/ k4 m+ l* N6 j
& P7 s3 q) g } if (hr)- ^2 t5 h+ c7 D5 S O1 n3 J- X
{
0 D) V- U# Q. }! F; r3 O MessageBox ("Get Poke Unsuccessful");
1 i% r0 ^4 N3 ~2 t4 i7 _1 l return;
1 y8 `6 `4 _: h- O' b/ \! Z }
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& W7 I$ F4 | e0 u' S9 J+ @9 c/**************************传递数据给extend**************************************/8 X1 t/ \( i( G
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
) Q; \9 C- j* j: |7 ~ 3 @- J, X% z0 @* V1 H e
valueStr = SysAllocString((WCHAR *) L"1232");# s4 Q- F; K# V. L" N2 z: L% T
VariantInit(&pokeVariant[0]);
- @/ s4 ]) ^+ s' ~, b8 W, O pokeVariant[0].vt = VT_BSTR;
- p8 T% S' l$ S- D0 x pokeVariant[0].bstrVal = valueStr;0 y6 X, Q$ Y# R K: y' G# \
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
& h- k7 }( ^$ M9 o& X/ ^, P2 ^ VariantInit(&pokeVariant[1]);
0 t* S( ^# I5 S1 M2 C pokeVariant[1].vt = VT_BSTR;
" _) w7 B7 U9 S7 |: b2 L) I# } pokeVariant[1].bstrVal = itemStr;! k3 X& s2 L4 ]2 \( k
& l! G- a- C Y3 P) n' B
topicStr = SysAllocString((WCHAR *) L"system");
7 B- n5 T6 Y" i9 n# e VariantInit(&pokeVariant[2]);
1 P+ E. b" x% W. c1 z& ]3 K pokeVariant[2].vt = VT_BSTR;
. F H2 I0 c6 }' g4 ?* Y pokeVariant[2].bstrVal = topicStr;( r3 A( }$ b& `7 I. l
2 ~2 _: I# q! z6 N// Set the DISPPARAMS structure that holds the variant.$ z. h% n$ T9 I
$ g8 u: T# I, J) c( ?
dp.rgvarg = pokeVariant;
0 o6 j* x/ F# c: O: S0 R+ b. R dp.cArgs = 3;+ W. J2 i% A' o4 e8 ]! k/ X
dp.rgdispidNamedArgs = NULL;' P/ ?8 G1 H8 g" D% c3 V$ @
dp.cNamedArgs = 0;0 F8 e/ D% i4 z4 C
! ]+ ]( H8 Y: i& E// Call IDispatch::Invoke()9 N0 R) m4 ?; n: ^* n
5 j6 k# P) }* A
hr = m_pDisp->Invoke(: O: ~" c' @: H3 a" a- }
pokeID,
% ], t) U+ o$ ]7 j. k IID_NULL,/ p* v6 I4 [. C/ X0 X; O
LOCALE_SYSTEM_DEFAULT,& Z6 Y6 v0 n& f4 _
DISPATCH_METHOD,
, q9 p4 b3 x7 @/ i# Y+ X &dp,1 T# ]- b. [" G7 @+ S$ G
NULL,2 v" x# G9 ^& }- ] @' Q
&ei,
! c3 m j) B P' g( ^' A q; X8 f! J &uiErr);
1 L" N5 ]% Z9 |# [4 f2 p+ b4 a" ~) _, [7 x9 O0 \
SysFreeString(topicStr);$ p# |8 e2 P6 ?; |" H) h6 [
SysFreeString(itemStr);3 @1 ~! ^1 v& q5 x+ H
SysFreeString(valueStr);& t; r! e, S) ]7 G& O4 g& A% m
! ^* f5 ^: R- s+ e a/ u% h
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???
3 a" r, X. @: J- i& L! ]3 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
2 }; w5 ]8 b0 Q5 U) I$ W* i// Request a value from Extend" ^+ h3 Q4 V3 _% E* Q
//9 Y+ I. E4 s8 B: G P8 @
// Initialize the variant that will hold the BSTR. Set the variant's
' ? M! k$ I9 N+ j Q5 l// type flag to indicate the fact that this variant holds a BSTR. Place the* Y! B% G- p( f: O# m$ v
// BSTR into the variant structure." X$ M% C* y* [
- w! `. J. t I2 F+ C# X' ~. ~9 ? requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);" H! ~2 x& h: s7 j& ~# r
$ e. G# I0 J8 `( B0 N+ O8 Q itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
! X/ q+ X: v8 E2 I. y! o" I; t VariantInit(&requestVariant[0]); & l3 B: n% w, p8 M& T3 F
requestVariant[0].vt = VT_BSTR;
& V8 ]3 g1 q3 `; P, | requestVariant[0].bstrVal = itemStr;; H4 Z; M8 C# M8 i, ]2 O. @
5 c' t5 H4 V" W topicStr = SysAllocString((WCHAR *) L"system");
9 | E" [: D' R VariantInit(&requestVariant[1]); 3 K- \* M. P+ q& t
requestVariant[1].vt = VT_BSTR;
8 b4 F! k8 k/ [ requestVariant[1].bstrVal = topicStr;6 [ S7 b6 W+ n
7 v9 a7 b( m4 A// Set the DISPPARAMS structure that holds the variant.
, c* B; Y0 ]. C) s# q. ]4 k; t \+ j' i* e% y6 C# f
dp2.rgvarg = requestVariant;# l8 V% |6 R) U
dp2.cArgs = 2;! G9 j! H; ]' d/ ^% y1 O
dp2.rgdispidNamedArgs = NULL;3 s: R( Y/ z4 v& P/ t/ n
dp2.cNamedArgs = 0;
* j1 h/ e: D! j4 [
0 O! ~$ `6 d5 @) b2 O/ s var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()! {1 E: q5 q1 y
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hr = m_pDisp->Invoke(
8 l8 D, \5 o7 B requestID,1 r+ G7 y- R8 c8 ?# ]
IID_NULL,
' e8 P; H& N5 a; W$ X1 b6 ^ LOCALE_SYSTEM_DEFAULT,+ h7 W/ ?5 o) d
DISPATCH_METHOD,) F# ?3 M' ^8 a$ @( W8 \2 ~7 x
&dp2,
: t! e9 {3 s; J4 p' a h' C: Z &var,
( N) s2 d. g' u- K &ei,
/ s+ G3 k% M# r( {+ V &uiErr);
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SysFreeString(topicStr);
3 i2 |# d: T9 y' p* A SysFreeString(itemStr);
7 J9 V7 F# |7 }, w( N请问该程序是获得extend里面的哪个值?2 L' k. u9 F. J: x
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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