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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:7 N" J0 x# p! g* d/ F" Z6 ] n
Name = (WCHAR *) L"Poke";* m9 K# ]3 O! @2 @7 Y: C
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hr = m_pDisp->GetIDsOfNames (+ `0 m U* a0 B5 m$ c
IID_NULL, // reserved
- V3 O% K5 K& k& r &Name, // Array of names to get IDs for3 k$ ~1 x+ q+ ~/ w; H2 V8 _: d
1, // # of names in the array
" i# b/ ~" B; V ^9 p8 @0 c2 h1 m* t LOCALE_SYSTEM_DEFAULT, // System locale
. ~5 U5 V( J8 C& A/ |) O &pokeID); // Array of IDs to fill on output3 m0 f1 s) ~9 J _& R1 \- x5 a
- Q1 A7 o' ^$ M; P+ a7 z
if (hr)
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MessageBox ("Get Poke Unsuccessful");
0 A$ j* O1 C* R8 d+ {' h return;: _- |1 D) Y0 K/ ~# s6 W
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/**************************传递数据给extend**************************************/" A9 Q; J2 E: W/ H
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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* x5 U5 A$ ?4 k4 g, s( w- I3 g1 E valueStr = SysAllocString((WCHAR *) L"1232");; a4 i9 j! B5 ]' p6 q; @. W
VariantInit(&pokeVariant[0]); 3 v; F' ~+ F& s) B8 R8 D! F: @
pokeVariant[0].vt = VT_BSTR;
% X9 ?, a2 j T6 r' k- C p pokeVariant[0].bstrVal = valueStr;8 S9 y" O% h2 K+ } w7 ]5 ~. l
, u& \5 w" z$ } m: [5 M9 J* | itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
5 c8 I' }8 G* Y, u9 H/ M @ VariantInit(&pokeVariant[1]);
( l9 p' j5 _* x pokeVariant[1].vt = VT_BSTR;
$ g% ]6 }1 D: x7 E8 Q! L' z pokeVariant[1].bstrVal = itemStr;% f3 w1 i" ~3 q5 }+ C+ V H
2 o- O9 M2 N- p; z) j topicStr = SysAllocString((WCHAR *) L"system");' x+ l# J5 S# T
VariantInit(&pokeVariant[2]); 0 y: y# c: q: }, T' Z8 n" H
pokeVariant[2].vt = VT_BSTR; k) `- W! }3 \! L& H
pokeVariant[2].bstrVal = topicStr;" k+ }7 Q8 G* h p" G9 H) Q4 x
2 a) z3 V7 K' I% i1 d, I// Set the DISPPARAMS structure that holds the variant.$ L* s3 k1 b$ |% v6 y
: ^* E" u1 I3 i$ ?6 [ dp.rgvarg = pokeVariant;
, g. u4 ^! _3 g$ S. p% p dp.cArgs = 3;- o H+ Y5 l- m
dp.rgdispidNamedArgs = NULL;( q1 m7 K" ?: a7 [- B- T+ F) q
dp.cNamedArgs = 0;
" u) o" `& u) R1 ^; S& C5 L
7 r/ s7 g# h8 v, V9 q// Call IDispatch::Invoke()
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) S) A) }: O% X& P& ~ hr = m_pDisp->Invoke(- V. x3 o3 S0 E
pokeID,
3 `4 ?: t2 @( F: W! ?3 P IID_NULL,
4 I$ [% y9 m! o' O, ~ LOCALE_SYSTEM_DEFAULT,
6 {4 y) e% _. P$ V! I( Q! s DISPATCH_METHOD,) t2 K* S& O7 m( L) y2 O
&dp,
& Q$ M1 e3 k( Z, j9 p- S( ] NULL, c* p, c- v- I9 I6 n0 Q+ @
&ei,+ a- j- u5 Y/ l$ k
&uiErr);! u* w0 o5 c1 {& ` \, s" k/ }4 |* S
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SysFreeString(topicStr);" j. c, `: L/ {1 T s# `, X: u
SysFreeString(itemStr);3 x$ W; S( [7 s8 L
SysFreeString(valueStr);0 B7 b8 U. U) r O2 a1 l6 s
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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???; a6 r+ q+ ~/ s! K/ Z5 o
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
& a; | ^; I d- K// Request a value from Extend
; Z6 K- d K7 _* Z//. ~7 F/ q# Z8 n' t' {+ f& N2 F( F
// Initialize the variant that will hold the BSTR. Set the variant's, z- l; c/ y9 {
// type flag to indicate the fact that this variant holds a BSTR. Place the
+ S; n+ w3 P& K( u/ E7 J// BSTR into the variant structure.- r0 p+ b* C) t, _4 K
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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) Y; h; N: w! g6 E itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");# r! @9 p4 [6 J( w1 k& \
VariantInit(&requestVariant[0]); ! s9 v9 \2 M- n: h5 A
requestVariant[0].vt = VT_BSTR;2 p+ |5 I. _1 c& I& o9 |7 n
requestVariant[0].bstrVal = itemStr;/ R: F( ^% e2 z2 |/ h9 s
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topicStr = SysAllocString((WCHAR *) L"system");
, Z5 k3 z; n( }0 [6 _ @ VariantInit(&requestVariant[1]);
+ Y4 e& j4 b; |" ?$ z% S requestVariant[1].vt = VT_BSTR;
0 n! @9 h; j+ N& P requestVariant[1].bstrVal = topicStr;* |! M6 ?& s5 T. ^: l! _/ |
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// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;* p/ z. ?* _; P. ^9 D' Y& v$ G% p8 K3 a
dp2.cArgs = 2;, i/ C: G% o- N( V1 n2 [
dp2.rgdispidNamedArgs = NULL;
* \( G6 ^5 L1 T4 v: m7 M( P) V dp2.cNamedArgs = 0;0 Z% \) V8 r* S6 @8 s
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var.vt = VT_EMPTY;; A4 S4 j7 U, }5 C+ Q
" c: [" N3 ^8 Z/ x4 y' c# M// Call IDispatch::Invoke()- t/ `; S; S( i; ~
4 M. w5 I- U) d$ u hr = m_pDisp->Invoke(
+ c' l. h3 a9 l5 k requestID,
1 l, r1 |) t$ c/ j; U+ s7 G IID_NULL,
0 [0 E* j; S3 \! a1 P) J; [- a! t LOCALE_SYSTEM_DEFAULT,8 _- G, `. x8 G; t
DISPATCH_METHOD,; e: s9 B! x$ s9 E) ]
&dp2,9 B7 O% G- S; @( w1 p8 O
&var,
( s$ d' C8 c# w6 S) N6 K6 Z2 f &ei," n& P& H& {" p: \9 |/ f
&uiErr);' _# j! H4 W' I- ~$ H7 v4 T
8 k, b0 i" @6 G$ b3 H4 G SysFreeString(topicStr);+ i" y6 G' g9 H; U0 j# p4 r
SysFreeString(itemStr); S4 T3 p$ t# Y) p4 I' z5 b
请问该程序是获得extend里面的哪个值?
: H0 r5 R8 `8 [) X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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