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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:
) Z1 D. F1 k/ H* DName = (WCHAR *) L"Poke";
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* x1 r7 {! ?, b$ e" u3 t% [ hr = m_pDisp->GetIDsOfNames (8 n7 P3 v- p1 o9 o2 P0 q
IID_NULL, // reserved
* p, I+ M' T+ C( Z- ?' L9 [) s" O8 o) W &Name, // Array of names to get IDs for7 d6 x; a h/ L* X3 U j1 T
1, // # of names in the array
" T" i$ L, e) K LOCALE_SYSTEM_DEFAULT, // System locale
+ `" c) |: v' [4 Y* a3 n &pokeID); // Array of IDs to fill on output+ O f# `: X1 @ J# R& V
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if (hr)" b" x8 e5 C! F' |
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MessageBox ("Get Poke Unsuccessful");
) H' y- e2 B E return;. B* v: T. t. B9 u
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/**************************传递数据给extend**************************************/9 j6 f# A c! [& E5 N; N. r
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);) W7 r; {! r" o' c2 ]$ c- y+ m
( g: q/ l4 q0 D# s valueStr = SysAllocString((WCHAR *) L"1232");
4 Y& R V9 z' |4 c/ I VariantInit(&pokeVariant[0]); & J6 H' Z+ | U1 U
pokeVariant[0].vt = VT_BSTR;
: ]$ w' c. \( i5 c pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");+ P/ X, T( p" V8 K$ S! A) C) r& H( `
VariantInit(&pokeVariant[1]); 8 w+ b' x1 _. W4 {
pokeVariant[1].vt = VT_BSTR;/ _; \8 v4 D2 C" H
pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");+ s8 T# l, u1 j) Y; i$ q/ q2 s
VariantInit(&pokeVariant[2]); 5 v' |' x( K# O' f5 D6 H: r/ [; k
pokeVariant[2].vt = VT_BSTR;
) f. d. L! [ \# e6 o6 N0 _3 C pokeVariant[2].bstrVal = topicStr;
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& }. b" l! p: F// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
; U( ^' W3 G& L8 v: t; D dp.cArgs = 3;. t3 x9 I" y% G. V1 B0 u
dp.rgdispidNamedArgs = NULL;
# J% t8 p- a1 Z' V _ dp.cNamedArgs = 0;2 Y7 U! Q, e: Y* w' m2 K5 Q
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// Call IDispatch::Invoke()6 @+ @ Y: [+ c7 n$ Z U
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hr = m_pDisp->Invoke(1 Y2 [4 m2 g' j/ _
pokeID,# A# l8 s) F7 s1 [# o! z% Y/ l
IID_NULL,! M0 q. Y8 P, K4 V" U" K
LOCALE_SYSTEM_DEFAULT,. P% m8 i8 l( j& x
DISPATCH_METHOD,
: O/ N: @4 ?& \: f; ^ &dp,4 Q0 k; P! [' X ^' ` s
NULL,
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&uiErr);
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SysFreeString(topicStr);7 f# _& S3 l6 C* |% A1 T% ~3 i- w
SysFreeString(itemStr);+ \- H2 W; i D5 z
SysFreeString(valueStr);
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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???
0 ?% |; }2 s* E1 z+ r, i. T8 h+ H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
0 m4 L' `# W2 |! F5 w// Request a value from Extend
5 l2 d$ X5 g0 z% |) s4 u//
( ` @( |1 X/ I c" g" H9 k// Initialize the variant that will hold the BSTR. Set the variant's; S) V. d8 G5 I& l c
// type flag to indicate the fact that this variant holds a BSTR. Place the0 ]! p2 G" K% R4 x( h% @2 a
// BSTR into the variant structure.9 n( {; B2 `, b
9 h( m2 E9 W' b requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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( t! @/ j6 _; N& c: M itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");- u7 l& l# d3 R( p: N4 _
VariantInit(&requestVariant[0]); # g) P3 g. q) \% Y0 J
requestVariant[0].vt = VT_BSTR;+ u: x. ]( z& `- r) K, n* t& X
requestVariant[0].bstrVal = itemStr;
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) A$ a1 s) o, g7 } W! z- { topicStr = SysAllocString((WCHAR *) L"system");, f7 W5 q, B$ X' ]7 Y* ^- t
VariantInit(&requestVariant[1]); 6 W0 _6 y* I) N+ ~+ H( a! J
requestVariant[1].vt = VT_BSTR;
1 F/ G4 N& ]. x0 i f requestVariant[1].bstrVal = topicStr;+ G- ^; U: ]2 M! Y! S" ^1 N$ H
1 @6 o+ i! x* q2 X// Set the DISPPARAMS structure that holds the variant.
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7 O1 `# e+ J! v8 J( r dp2.rgvarg = requestVariant;
% P0 s! n- D3 `: H" _9 ~0 j dp2.cArgs = 2;" f, n0 y* U' S. |" \
dp2.rgdispidNamedArgs = NULL;7 H# U! `9 l# m, w
dp2.cNamedArgs = 0;
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9 E5 Z' U/ E5 ?& K* K6 k/ ` var.vt = VT_EMPTY;
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1 A& ^+ F3 r8 w# a2 ~2 f: {5 _// Call IDispatch::Invoke()( W& z' U1 k' O$ ?. b
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hr = m_pDisp->Invoke(
4 p' }' r2 h ~- N requestID,5 Q2 V# T. M/ s
IID_NULL,/ a @2 f$ c% A* K
LOCALE_SYSTEM_DEFAULT,
w* @; E5 A5 D4 K% E DISPATCH_METHOD,; v+ E( m; [1 N8 u# F% l
&dp2," U+ n* y$ n$ c3 Q: H5 q
&var,
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&uiErr);. S" v1 p' a1 X7 X7 g$ x- t
- L9 j$ {! T1 }, X. X" X/ S SysFreeString(topicStr);, j, h7 u; _ s6 V" d8 H- C# F
SysFreeString(itemStr);
7 h* S+ o6 n% m4 N- b, C+ S4 ?- D请问该程序是获得extend里面的哪个值?' P& ` q9 u' b) y. i
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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