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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:
% s6 z, i( G; B" A" UName = (WCHAR *) L"Poke";
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$ C; F1 C4 C; S- i hr = m_pDisp->GetIDsOfNames (
$ s0 T# }0 H# a! V0 `, Y0 n IID_NULL, // reserved
* d2 t' ~2 s8 v; F' u7 p. W% d &Name, // Array of names to get IDs for" [& D3 A8 r0 u3 ]3 {+ R
1, // # of names in the array
3 t1 c4 X( y; v' c$ |* U/ I0 Z LOCALE_SYSTEM_DEFAULT, // System locale/ V0 }- ]1 x' o8 V5 P7 R
&pokeID); // Array of IDs to fill on output
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9 i( J: k: g$ M- @ if (hr)9 g; r1 \ D) _- L
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MessageBox ("Get Poke Unsuccessful");/ X# a' U( E2 P
return;) D t9 R7 u' w# X; s; G' l
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# M- \# n" ?1 W) j
/**************************传递数据给extend**************************************/
8 e4 g( y. L! s/ ~# O N# ^9 N5 W pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");
/ z$ l" v* V# l' w |/ j/ n! O VariantInit(&pokeVariant[0]);
1 V% A. }; I# A pokeVariant[0].vt = VT_BSTR;6 n" @+ [8 [; g5 J: {( e
pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");, J7 }/ _* s, ~, ]( O. f
VariantInit(&pokeVariant[1]); 9 ]# y" C0 Q4 J. {% V
pokeVariant[1].vt = VT_BSTR;
, {1 c4 K3 s! @ M& w1 n4 f pokeVariant[1].bstrVal = itemStr;' B: s/ l7 m3 Q6 D4 o* X
6 B( o: i* [9 K c
topicStr = SysAllocString((WCHAR *) L"system");( U" V. u# v$ h5 w) Q/ B
VariantInit(&pokeVariant[2]);
3 s. B3 ^2 B$ L) | pokeVariant[2].vt = VT_BSTR;+ s1 \* I+ O2 _
pokeVariant[2].bstrVal = topicStr;! }' X& C- P& m, _7 b
# c& H) B# @. C7 g }; ?
// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;% M# Z D( x. Q3 P% n( L3 S; {
dp.cArgs = 3;8 |4 _. V+ H- c/ L3 C
dp.rgdispidNamedArgs = NULL;2 b7 U# L6 \3 }* p; v" V9 E( @
dp.cNamedArgs = 0;7 ?/ u1 R( }+ b$ y8 d
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// Call IDispatch::Invoke(), t' C' w( y, o3 |: W- H# R
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hr = m_pDisp->Invoke(
1 o/ _' p' [- g# p pokeID,* S) [# r- v1 [5 _# ~& x' X- k1 J
IID_NULL,
$ R6 S: w$ U4 w LOCALE_SYSTEM_DEFAULT,5 u+ j0 o0 |3 D3 |! G6 q
DISPATCH_METHOD,
) ] d) r5 ]8 q0 ^ &dp,
, N+ F7 ]' R8 m NULL,7 X$ b0 j9 t0 W& V X j s3 t/ V% _
&ei,
, Q6 R1 }8 l. ~8 q7 V# z &uiErr);
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1 m; V+ l4 m. E" G4 \, d3 @3 I2 D SysFreeString(topicStr);
* M& |8 C1 h, r6 j# o SysFreeString(itemStr);0 ~& X- Q1 N4 d7 b0 u7 m
SysFreeString(valueStr);! X3 Z- y8 Q0 A8 {8 `
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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???
D4 o" N0 j/ ?( e. H D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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! W' p) t$ ?" {) A" l3 h9 |% t, L2.这是request的程序
7 j2 A2 {$ c; [& f" d- {+ U! o6 ~// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's; [4 o( M% t1 Z. y9 E( E
// type flag to indicate the fact that this variant holds a BSTR. Place the
; p6 a, O) X; ]* t. Q$ _- p/ s// BSTR into the variant structure.
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S% W: W& x8 G$ n+ S: Y requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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% G. a r# Q( x" X. p itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
* I# y3 E1 x; m VariantInit(&requestVariant[0]); 6 f' `7 T' b6 c7 b& |) y3 k* j
requestVariant[0].vt = VT_BSTR;
, C6 S' D' {% L' L: e, P2 W requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
1 f4 _3 O; t, N( J* g VariantInit(&requestVariant[1]); / v6 g. R# {; u, _7 R) x
requestVariant[1].vt = VT_BSTR;
9 a+ y3 N. \, I8 z; R, B requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
o. N. P% E" @# ~* d6 L
0 X% K. c/ V8 h3 k dp2.rgvarg = requestVariant; y# o/ |. `- p" ~' ~8 S6 R
dp2.cArgs = 2;
7 l2 l* O: q5 V6 x dp2.rgdispidNamedArgs = NULL;' {5 Z$ D6 j$ }9 c6 t! z
dp2.cNamedArgs = 0;
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' R1 { M$ {* X4 `. N5 z! d9 e var.vt = VT_EMPTY;
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3 ]) {2 p( w* L4 a2 s8 m+ v* [! P// Call IDispatch::Invoke()
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* I, t8 E6 @: Q. V: ^8 B hr = m_pDisp->Invoke(2 C7 f8 C/ O# T n- U+ n3 P* t0 h
requestID,4 ]3 b! V0 v' V. v" C+ [
IID_NULL,9 e9 @7 p, }: I8 K+ h
LOCALE_SYSTEM_DEFAULT,
( T. h% z/ {* H9 Z9 } DISPATCH_METHOD,
7 n" Y) }9 G/ p& N2 R8 w &dp2,
. b. G: V) [, f. N &var,
/ t* p, v) m2 @- L5 a &ei,
2 I$ y0 H/ H" w$ T8 h+ _ &uiErr); I. F {) q: ^* m- n. k2 s
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SysFreeString(topicStr);
8 ~. s% m7 V/ o" y, N2 X4 N: u. x SysFreeString(itemStr);7 m1 l2 W+ ]( d7 P( r# g
请问该程序是获得extend里面的哪个值?; ^ j% K0 N3 W" [- k; l
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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