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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:) M) `( e2 j `5 N
Name = (WCHAR *) L"Poke";$ d3 u5 h% q1 b) T/ x ~9 z
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hr = m_pDisp->GetIDsOfNames (
" B) n2 S* P9 N7 p/ H M6 U& z IID_NULL, // reserved
' Q9 q5 H' G% L, m5 T8 q &Name, // Array of names to get IDs for
' l- D) p9 r+ Q3 z 1, // # of names in the array% D6 m* ^$ s; m1 y% H1 ]
LOCALE_SYSTEM_DEFAULT, // System locale( z* Z9 I5 X# w6 \( J
&pokeID); // Array of IDs to fill on output0 { ?5 T9 M% z o0 y. `$ ~
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if (hr)
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MessageBox ("Get Poke Unsuccessful");1 m9 z2 ]# Y- |% D
return;
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0 J# j# b6 f g8 P1 u/**************************传递数据给extend**************************************/
" M3 _9 l2 }1 A: J2 X, q pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");
! ~8 y# p1 w; ^7 Y VariantInit(&pokeVariant[0]); , K& c$ l+ |( u& c' Z, a/ ]
pokeVariant[0].vt = VT_BSTR;& y+ F! K9 E- ?
pokeVariant[0].bstrVal = valueStr;$ ?" U( L* C/ {" F, {6 j* X! a
9 {6 I# j- z% F+ o3 e itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");6 ]' K% S% [ i" n& L# z6 v
VariantInit(&pokeVariant[1]); 7 a9 z9 ~- _0 k/ H
pokeVariant[1].vt = VT_BSTR;8 D5 n0 }% a2 ?* x7 x4 @
pokeVariant[1].bstrVal = itemStr; m' [& _) } Z0 O: W% @ d% b- g
+ y$ O5 l6 v* E% N topicStr = SysAllocString((WCHAR *) L"system");7 e+ ~, x t3 A6 K. J
VariantInit(&pokeVariant[2]); # C. d* a! L7 Y3 U' F3 e, ~
pokeVariant[2].vt = VT_BSTR;; @! G) b. g& ~; l
pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;3 ~5 P- W0 c: d6 o) ^) P0 G
dp.cArgs = 3;
1 B4 z$ F% A% T) j/ f dp.rgdispidNamedArgs = NULL;& b; O1 U, H" k
dp.cNamedArgs = 0;- s! I' j5 w( C% [0 e) B
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// Call IDispatch::Invoke()+ q6 ~$ E% o2 Z( G, Y# k
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hr = m_pDisp->Invoke(
1 N* C- p+ O& z) B) o3 e( y7 y R pokeID,/ P/ l) V- y0 g) G G9 a
IID_NULL,
, R8 W" A3 s; a; A LOCALE_SYSTEM_DEFAULT,
: V4 _! ?' ^+ D; c DISPATCH_METHOD,. ^ K: g8 H2 B: y4 O9 Q. t
&dp,; X% Y7 s' w; e9 {! A [# M
NULL,
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&uiErr);
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SysFreeString(topicStr);
, v8 v. X1 o0 c1 f; R SysFreeString(itemStr);
( ]# Z. g# A* W) k SysFreeString(valueStr);
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; p9 k* H( d! k4 a# E7 p4 n( n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???
1 s- D% i7 V5 t! i( r- n# 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????7 j6 b" C1 J& r; _
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2.这是request的程序2 M* n, [6 u1 _8 l. I5 y# A Y
// Request a value from Extend( m5 s8 Q- K% n0 g( w; a f
//) v% j2 @. w: r4 q
// Initialize the variant that will hold the BSTR. Set the variant's) \ g# f. g* G% Y0 ?: D6 _- ?% E% d
// type flag to indicate the fact that this variant holds a BSTR. Place the5 f% V9 U8 G. m0 m& x# y
// BSTR into the variant structure.
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8 M* ~6 Y' _' c requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
X) Q; x3 [& w/ R# ]2 _5 s VariantInit(&requestVariant[0]);
5 I1 O% S8 i% p requestVariant[0].vt = VT_BSTR;
' p& `, K: h+ E2 G requestVariant[0].bstrVal = itemStr;
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e1 X/ c% E9 Y# X' u4 k topicStr = SysAllocString((WCHAR *) L"system"); }' K' v6 |6 `# {" X- p1 M
VariantInit(&requestVariant[1]);
% A& {8 B) V) n, _ B requestVariant[1].vt = VT_BSTR;& G* [# {, T4 Q1 a
requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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# B0 y3 k* I! S) K2 W( ^ dp2.rgvarg = requestVariant;) ? k: f# ^# d, a7 r
dp2.cArgs = 2;" I& I* e$ w6 F1 Y, g/ t
dp2.rgdispidNamedArgs = NULL;
5 m0 w A+ Q3 N( a: [9 v6 K dp2.cNamedArgs = 0;
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% P5 n1 e1 u( C# |* ] w* @. K2 a var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()* f) C I4 h/ D. V9 h# q. x6 ~1 P
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hr = m_pDisp->Invoke(
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IID_NULL,5 H0 w$ A; z& d- O7 R3 k0 m$ p
LOCALE_SYSTEM_DEFAULT,
4 Z6 v- A5 D. s6 p DISPATCH_METHOD,
M1 T" w/ q4 x1 |1 S5 r% `! @! T &dp2,
" d8 W& F8 n: r6 e% r7 x* X. v &var,
; j6 c- _: Y* d &ei,! I9 b/ O' I0 `2 h" n
&uiErr);& p6 \! A& j6 s) [
5 K% {' C/ r2 ^8 d4 }/ Y SysFreeString(topicStr);2 [' L) s# v6 E% {% _5 K" j8 U
SysFreeString(itemStr);# q0 N8 Z3 ?! n% I: A% ~3 @
请问该程序是获得extend里面的哪个值?
: s2 e" o1 u% D) x0 T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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