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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:! F9 @; ^: C7 Z" p1 }' i) D
Name = (WCHAR *) L"Poke";
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! d/ p' c6 l) s& ]0 \2 z) D5 o" g hr = m_pDisp->GetIDsOfNames (
( S4 q4 v: T4 z IID_NULL, // reserved
7 Q4 P8 U5 \6 _8 n s' o; \) P &Name, // Array of names to get IDs for0 C) O5 ^; y! J0 Z+ }
1, // # of names in the array
& R0 d% E# F% n5 y& m: _8 E" d LOCALE_SYSTEM_DEFAULT, // System locale
6 R4 N* V- J! S4 M8 k &pokeID); // Array of IDs to fill on output2 H2 ~3 x. @/ L2 l; T$ A$ K1 U' E5 J
, ^ N* v; y: b7 I- C0 Y0 X# B if (hr)
" L7 b R5 b1 R' ~! S+ t% H {
4 m/ c q$ J: Z8 P MessageBox ("Get Poke Unsuccessful");, j G8 }& Z8 @) i8 V7 j6 r
return;
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, p+ ?. d) e& m/ C/**************************传递数据给extend**************************************/
& @: ?& |. Q& F pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");
$ h3 K9 U3 O% c. k VariantInit(&pokeVariant[0]);
/ p, ^) ~% q8 S1 [; _; C: h0 U pokeVariant[0].vt = VT_BSTR;- A# E2 e& R6 w/ {% h6 i
pokeVariant[0].bstrVal = valueStr;
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: n* Z$ D' @$ Y. l' @0 h& C; W d) ~ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");9 J& x# Z: t& A$ v/ W Y
VariantInit(&pokeVariant[1]); ' q5 ] O2 f! [& e Y
pokeVariant[1].vt = VT_BSTR;
T6 `/ W+ u2 c K: S pokeVariant[1].bstrVal = itemStr;9 V% [6 {: D9 j, H: n2 R
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topicStr = SysAllocString((WCHAR *) L"system");
5 J; \) g# e, |1 J6 F" ~/ |$ R7 ^4 i VariantInit(&pokeVariant[2]); ' e q+ w( I8 _4 f: _
pokeVariant[2].vt = VT_BSTR;' _, }9 i1 ]" R# P1 F
pokeVariant[2].bstrVal = topicStr;
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1 }" Z# k& F# K/ @+ }// Set the DISPPARAMS structure that holds the variant.9 c4 b$ ^2 `% S9 u2 }
6 \3 U& t2 z, J# g dp.rgvarg = pokeVariant;# g+ `+ `2 Y3 r7 @7 f9 y* ~
dp.cArgs = 3;: z& x* W2 ^* b! i& a
dp.rgdispidNamedArgs = NULL;
! X% _$ R5 n0 f! a% I6 k( I5 k$ e dp.cNamedArgs = 0;
- M# f, E4 W$ ^ m2 A
- }( ?: `$ t( ^! R) p# V! y* c// Call IDispatch::Invoke() I& \( Q# n8 c4 N; c N5 k
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hr = m_pDisp->Invoke(
- s5 Y* x1 n+ i0 L, M* C pokeID,5 m4 E* J; Z M; E+ q% I2 O
IID_NULL,
- P1 @% E3 V' E5 f9 d8 ] LOCALE_SYSTEM_DEFAULT,7 U; X5 k; b( ]8 e
DISPATCH_METHOD,& o2 C. O) v6 f' U! B
&dp,6 g* A& w/ X; w; ]
NULL,
( ^6 n3 [ k2 \9 G. n! ?% v &ei,
% L* L# u: [' D' B &uiErr);* I' `) D6 J: {
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SysFreeString(topicStr);+ x! ^% p+ v& Y- N7 D
SysFreeString(itemStr);
& s2 b! r G0 ~" h& M4 @; E SysFreeString(valueStr);
& I& G! `2 a- g
4 B4 }4 P) _6 t: j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???
! k$ j) d& B1 E$ f, C1 K2 a" S' U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???? p! v- I) d3 ^; G0 u
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2 ]# Z! L1 i# s: }. S; g. _5 w" Z2.这是request的程序
+ V9 }& }* m( A* E6 w// Request a value from Extend
1 f- J7 B2 P. P% [, U//
: ?" Z5 C7 R' _+ H* g. p2 v' z// Initialize the variant that will hold the BSTR. Set the variant's
5 m6 r7 x/ o; b// type flag to indicate the fact that this variant holds a BSTR. Place the+ [ k7 z$ O5 Y" G
// 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");
' [9 T$ L: i) V8 J6 P. h VariantInit(&requestVariant[0]); 0 f2 o# Z* z/ H5 p: i
requestVariant[0].vt = VT_BSTR;+ s j3 ~) M/ v6 S
requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
9 j! ~) g# V6 j% O* j VariantInit(&requestVariant[1]); - W1 u6 f/ s( q1 @1 k- ^* r
requestVariant[1].vt = VT_BSTR;- {1 x* B' N# c* z& ^: U
requestVariant[1].bstrVal = topicStr;* n9 h* i; B: t1 O2 ~. Q% ? O
' @" c' r0 @' m) o2 K// Set the DISPPARAMS structure that holds the variant.
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; I/ R7 d) b6 k8 R0 P9 w$ H dp2.rgvarg = requestVariant;# S, _/ W4 {% Z0 ]% T# X
dp2.cArgs = 2;' n0 ^' B0 S* U3 q% U) M- J
dp2.rgdispidNamedArgs = NULL;. v( M J2 I; z
dp2.cNamedArgs = 0;. A2 \. t% o0 q% d ~% A& x1 X
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var.vt = VT_EMPTY;! N5 o& V/ Q- N. ?5 l* S
: \5 M% B9 ]4 L8 o// Call IDispatch::Invoke()* _! o7 h0 u3 f! p, i4 S
Q8 K' G+ m* X g hr = m_pDisp->Invoke(
4 r' U7 R' s9 A$ `6 ]9 X% E- ?. t requestID,
" P( o: [, L, `. I& { IID_NULL,2 v& D6 v4 z7 i) v4 A( j! p
LOCALE_SYSTEM_DEFAULT,
5 c8 m8 h! w! Z m8 U0 }. { DISPATCH_METHOD,7 W" C, O5 s" x8 P9 t: X
&dp2,
! Z$ j+ d4 L9 ]( u+ W &var,
! J+ l% G2 O- V# ^; T8 e &ei,
. @7 x1 o! W: @% P5 q/ V. Z/ r# K. x: s &uiErr);5 [) w( N9 p) `( e; Y* s
" w7 B9 U# W$ u4 _) c SysFreeString(topicStr);
- w3 h7 A( G* w- u SysFreeString(itemStr);
9 u& A3 V o8 M请问该程序是获得extend里面的哪个值?$ l& W& T$ e5 l4 o
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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