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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:
) x' O, H- F# @ _, iName = (WCHAR *) L"Poke";) `& d, x8 i8 n* ]/ K! ?
. @( U+ r4 W. j% K# i hr = m_pDisp->GetIDsOfNames (
% _/ F. g. H0 ~6 a IID_NULL, // reserved
% ^* M a+ U* z7 l: @8 _2 ^ &Name, // Array of names to get IDs for
7 d7 u& f" c L' K 1, // # of names in the array4 W; E( R- t9 I, H& D
LOCALE_SYSTEM_DEFAULT, // System locale
+ n# j) y) {' A7 G) a5 C &pokeID); // Array of IDs to fill on output
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if (hr)
C8 P. T9 X- T {0 m! A% U6 L8 Y5 G7 K
MessageBox ("Get Poke Unsuccessful");
& U% i% K( C% d& M N7 @% t( d# u6 R t return;
% ?0 d% h0 I5 |! |" E }
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/**************************传递数据给extend**************************************/; }8 Q3 y4 v4 y3 n3 q+ V& l6 O
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);7 N4 P1 m; q( `3 C0 l, x
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valueStr = SysAllocString((WCHAR *) L"1232");
4 d0 j6 S0 I) i2 b6 Q/ S VariantInit(&pokeVariant[0]); 2 h t' Z9 ?& L/ o
pokeVariant[0].vt = VT_BSTR;9 ]* W; D7 G# A7 ?
pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");$ V9 \ P) @2 d
VariantInit(&pokeVariant[1]);
h& o" c$ G; \7 P# H pokeVariant[1].vt = VT_BSTR;
8 I* y% e1 \" C8 n+ O pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
' F1 H2 T# _1 M! Y: E* V- N VariantInit(&pokeVariant[2]);
1 t, L3 o) e* n( f( { pokeVariant[2].vt = VT_BSTR;
1 {" C/ {0 c. U o5 T pokeVariant[2].bstrVal = topicStr;1 ^# M' s' d8 X+ d
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// Set the DISPPARAMS structure that holds the variant.4 Z5 c, x( U- B' r" p) t) u
/ w5 l3 y: I! | dp.rgvarg = pokeVariant;
/ k6 b* E" m, M& y/ v2 H% S) w dp.cArgs = 3;
* C7 |9 y. h: C8 Q dp.rgdispidNamedArgs = NULL;
4 v" S) v6 F# e5 n1 @4 _# ? dp.cNamedArgs = 0;
- L; p( P9 R0 X
& y3 q ~: y& J m2 w* N9 |// Call IDispatch::Invoke()
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) W* u8 H% g# N! a hr = m_pDisp->Invoke(! t2 z1 S; b/ G0 b1 t/ n* D
pokeID,
/ w$ D4 F0 h$ T IID_NULL, B" S* B& ?9 o s% |
LOCALE_SYSTEM_DEFAULT,: D; T) z) ^; q, x( D
DISPATCH_METHOD,
7 K$ Y1 q) G: F7 o4 F: P7 d* l1 l &dp,% Y8 o7 C3 f; K& y
NULL,9 o1 Z. ?4 I- u+ S" V
&ei,4 P; I! p5 `, z" k9 [
&uiErr);/ t& D/ o& U0 w, G$ p- u8 n; W
0 G. h( H8 @7 q- k- w SysFreeString(topicStr);; l; c6 X3 t2 v$ Q2 ?) `
SysFreeString(itemStr);
$ e+ ?7 T9 w: I) a" s1 @9 |" \ SysFreeString(valueStr);
/ R3 C; Y4 w. x% z7 U! f1 t# c- _: m! t' z2 m8 T
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???: i8 k' [: R! |+ A0 I/ e3 ]$ B6 y
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
% c0 F5 M. G' p2 g) I# W// Request a value from Extend5 ~) q5 }+ E) P( |6 n1 |6 L+ w8 J5 b
//
% w5 Q- z0 q# _/ ~+ h% D: }// Initialize the variant that will hold the BSTR. Set the variant's
+ _+ t- p( C! h, F0 j// type flag to indicate the fact that this variant holds a BSTR. Place the
: v# J: C: P2 a9 Q3 [6 m" P// BSTR into the variant structure.* @( k5 R' m! m! Y
k0 b; H( A8 l" N requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);& j$ p) x6 L# Q9 i
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
8 V) B$ j& z4 h2 V* w. `) w VariantInit(&requestVariant[0]);
! |1 `, c" g/ K9 c requestVariant[0].vt = VT_BSTR;" O$ }. [4 l. c9 X6 R- i# g5 t) T" |( S
requestVariant[0].bstrVal = itemStr;
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1 ^% K; w) ~6 m' _; k topicStr = SysAllocString((WCHAR *) L"system");) A( p7 x( B! i, b9 n" V
VariantInit(&requestVariant[1]);
$ |; ^; J2 x& ?; ^/ \ requestVariant[1].vt = VT_BSTR;) o# F" T, {! [- o, Y' Z
requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant. f" b; A+ h9 x3 U8 k& o
# Z( p8 w0 S& P
dp2.rgvarg = requestVariant;
/ l# b9 S8 u' i5 Y! M dp2.cArgs = 2;0 \# V6 o/ v+ V( G% @: f
dp2.rgdispidNamedArgs = NULL;
9 ^' S. l/ ^1 t% i' {' N dp2.cNamedArgs = 0;' W: W; \6 S0 M( ?
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var.vt = VT_EMPTY;! M% ~# R* w- ` k. }8 }
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// Call IDispatch::Invoke()
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2 q7 \# d0 H9 _5 @$ S! d a hr = m_pDisp->Invoke(
" V6 n( {' L! K requestID,, V, d6 P( }& | Z7 z# ]5 D
IID_NULL,0 Z2 [5 o( w+ R3 H- z1 M8 O+ G
LOCALE_SYSTEM_DEFAULT,8 g' r3 K9 V/ O- k+ {3 |1 z
DISPATCH_METHOD,
+ C s! z5 k4 _2 M* \( Y/ Z &dp2,
! W" R, z+ X. p1 L( N& S" U &var,
, F" C7 e+ S! J0 p2 R: |" ?: \ &ei,# M" \& J( N6 \- F' g b
&uiErr);7 Y) O: @' b' G" Q
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SysFreeString(topicStr);4 |* j/ z/ H: @0 z4 i- r
SysFreeString(itemStr);
7 e3 E" p# j' r6 L3 s/ B请问该程序是获得extend里面的哪个值?
9 T2 f% w; y* m8 s2 I0 D" 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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