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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:
. r' o3 a4 ]- i% e/ dName = (WCHAR *) L"Poke";
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- ~& g( B/ t: w$ B) D hr = m_pDisp->GetIDsOfNames (
; C& K7 [ s8 e4 g IID_NULL, // reserved
9 V4 M O5 ]) k" ^6 E8 N0 G9 Y &Name, // Array of names to get IDs for
- G" x( {' l% P4 f& U 1, // # of names in the array" P/ W+ T5 i, D! N3 J- E
LOCALE_SYSTEM_DEFAULT, // System locale* Q, l) g5 L" r9 ^
&pokeID); // Array of IDs to fill on output9 S2 s3 i# c% s! x
+ i4 H4 ~" |9 i
if (hr)2 V0 ]( i2 W% Y
{
& ~2 ~ S# z/ f ? MessageBox ("Get Poke Unsuccessful");6 D8 r' C) {7 F) S; K( z( b
return;
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& L; ^6 _5 t( w E- [2 ~/**************************传递数据给extend**************************************/
2 _) |6 b! S% {# h pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
$ B/ Q4 D7 ]$ [( `) D1 b- b2 w, \ 1 b2 G* W. l& c( N# Z" m
valueStr = SysAllocString((WCHAR *) L"1232");
( _/ ^( P* c+ e( v" ?/ r2 F VariantInit(&pokeVariant[0]);
. \6 N! W6 b2 m: i3 }& J- ` pokeVariant[0].vt = VT_BSTR;
9 v3 r) O" p5 P' }. ?2 V& y4 q pokeVariant[0].bstrVal = valueStr;
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" A J- f, V) [3 \4 B8 c9 s itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
8 v6 N6 t" D& k5 `0 g VariantInit(&pokeVariant[1]);
" ^$ K& _+ z- { n# F pokeVariant[1].vt = VT_BSTR;& [* |) r1 c& X9 b" n7 D
pokeVariant[1].bstrVal = itemStr;2 S% d$ j+ z- ?, W. ]$ g/ ~
# O0 H2 O; j) p' N4 n topicStr = SysAllocString((WCHAR *) L"system");* q/ N. c9 V. J+ s0 ]0 l' c
VariantInit(&pokeVariant[2]); 9 \. k% u5 C& Q
pokeVariant[2].vt = VT_BSTR;# R; R# |! N. f# y# J! }
pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant." O6 k9 G2 Y) h
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dp.rgvarg = pokeVariant;) \3 N# A$ g' C" S
dp.cArgs = 3;
7 L+ v% O+ C) Y9 q g( D dp.rgdispidNamedArgs = NULL;, x: }# C! I! E
dp.cNamedArgs = 0;" @6 r0 ^# |' R7 @ k U
; [. e/ `& m: B' A" C1 @// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(+ u7 o/ i5 m+ U9 t! ^) p+ G: |1 y5 V
pokeID,. ]0 ]$ Q5 F& B4 J: L/ t. I
IID_NULL,+ S7 s# J& U0 I6 `1 P' u
LOCALE_SYSTEM_DEFAULT,: G. N, F# S% ]# w. a* ]
DISPATCH_METHOD,8 X4 v( Y' ]# N, X
&dp,
7 l$ a( N. e% n& p+ v% @ NULL,: d& U8 x2 Z; q& e* E, i
&ei,+ g5 a3 y, p; D4 D
&uiErr);
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6 j [1 W/ |! U4 @& }! A SysFreeString(topicStr);
# M6 ]4 E6 C- J4 }4 B SysFreeString(itemStr);0 s( x4 E( E n
SysFreeString(valueStr);1 W7 s$ H* P0 C+ W3 v# W; \) G
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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???
4 c2 ]) ^+ t( E7 r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????: y2 k6 V2 A. B4 o' ^
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2.这是request的程序) @3 N' Y c# U* {3 a
// Request a value from Extend
( J4 f# C0 | X. \: M- B8 v- p: {//
6 T1 J' C( `4 ]; L5 @. h// Initialize the variant that will hold the BSTR. Set the variant's
) F+ l1 P6 v. c, W" K// type flag to indicate the fact that this variant holds a BSTR. Place the
3 }; V- H- i! d- r// 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");/ m; C! x4 a2 f1 k' X
VariantInit(&requestVariant[0]); 6 Z- N+ M; r% O1 n% P A: B
requestVariant[0].vt = VT_BSTR;
' l5 g9 G2 J! R' F! _ requestVariant[0].bstrVal = itemStr;! y4 B8 K9 X, I% @ \! |1 x& u
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topicStr = SysAllocString((WCHAR *) L"system");
3 E0 w$ ?3 h% K1 Q* K VariantInit(&requestVariant[1]);
3 N% h* a' w, [8 S+ j4 T requestVariant[1].vt = VT_BSTR;
/ d% r# N7 z# z' }8 s2 N requestVariant[1].bstrVal = topicStr;
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8 V) S# Z& T5 T& \// Set the DISPPARAMS structure that holds the variant.5 Z1 F7 i& S/ O( f1 W
$ F6 {0 C; M. t- }
dp2.rgvarg = requestVariant;3 I' V: F8 f- {' X/ `
dp2.cArgs = 2;
' o4 @2 X+ o E3 @, A. W. n dp2.rgdispidNamedArgs = NULL;
: L- D4 v) i a+ U6 A9 y+ g1 p" v dp2.cNamedArgs = 0;8 |& {/ L# W3 {1 j. B0 D4 h
1 F9 A7 h2 d1 a0 J! K7 D$ b/ @+ @ var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()
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7 A& M5 B! M! j. @& w hr = m_pDisp->Invoke(
, E9 E2 t5 \- D- _1 g1 B C requestID,
. q( z& V6 m) m# Y9 y# _ Z6 ^/ x! } IID_NULL,$ z% K' B A7 c& J5 Y
LOCALE_SYSTEM_DEFAULT," R9 |6 T* C. V# i. |
DISPATCH_METHOD," J5 F% m1 D9 I' s3 W: y" q: n
&dp2,
- ^( e6 I" f; ^: B# T &var,4 U7 {) Q7 _3 J
&ei,
: S& f5 f+ D \5 j( g x/ R &uiErr);5 w- o4 v" k! K& b, y
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SysFreeString(topicStr);
6 ?7 e+ M$ H* \ SysFreeString(itemStr);
. d# m. Y9 ^6 V; e6 h4 m) o3 }/ J5 h请问该程序是获得extend里面的哪个值?
' k: P6 @; m/ L, ^/ J8 U6 I5 N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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