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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:0 X- T2 @( R r6 a" u, V8 i
Name = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (8 t) x/ y8 G D- @( o, h
IID_NULL, // reserved
. R* r+ `, |/ Z; ^8 { &Name, // Array of names to get IDs for' L+ w* T0 \& m# k @ q, i
1, // # of names in the array$ ]( X! v; g+ i4 ~/ J9 d# l
LOCALE_SYSTEM_DEFAULT, // System locale$ \. Y( O2 g- m: k# ]1 N
&pokeID); // Array of IDs to fill on output% D3 s# R+ ?% ?; Y0 ~
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if (hr)
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MessageBox ("Get Poke Unsuccessful");
2 H! i1 N, U+ y6 n5 c2 [' }+ i return;
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/**************************传递数据给extend**************************************/
# B# J& i- a* V* E( [ pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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0 q5 b- `2 P. x7 }# N. [ valueStr = SysAllocString((WCHAR *) L"1232");
4 l1 X* N6 t/ Z7 V# o VariantInit(&pokeVariant[0]);
( a) R# N1 s4 @2 D6 R+ W pokeVariant[0].vt = VT_BSTR;
, P) w) M4 q+ C4 E pokeVariant[0].bstrVal = valueStr;' |' u% u& V* F
9 e. X* \9 F( A9 `8 K( z6 ^. N itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");4 A D! _6 {7 I: \5 k" p
VariantInit(&pokeVariant[1]);
; P8 Z' m7 Z8 |1 G9 q) y- c pokeVariant[1].vt = VT_BSTR;
. a3 y- \0 p4 f# l pokeVariant[1].bstrVal = itemStr;: i! ?4 x5 @) z! k+ b5 y0 A
/ W" P2 y) C% B! L6 {
topicStr = SysAllocString((WCHAR *) L"system");
6 R: p# u% b. p VariantInit(&pokeVariant[2]); % o9 j8 K$ L3 q" t
pokeVariant[2].vt = VT_BSTR;& m' G8 D! i; w
pokeVariant[2].bstrVal = topicStr;
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9 M6 X" ]6 l/ Y* D5 T// Set the DISPPARAMS structure that holds the variant. @& Q* o( f- ?5 I5 V
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dp.rgvarg = pokeVariant;/ k' V$ {" B G4 {
dp.cArgs = 3;
2 s/ `4 B2 A3 K# t: `" M8 c dp.rgdispidNamedArgs = NULL;
- E0 m* Q0 [* c9 F( M dp.cNamedArgs = 0;! N( Y3 `( u. i* y! Z
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// Call IDispatch::Invoke()* b9 k8 S) h% M$ F& Q2 W# r
9 _2 \7 \( m' e+ Q7 C hr = m_pDisp->Invoke(" Y" W; @: `3 r2 t3 t; \, q' }& O0 p
pokeID,
: ?' D! p3 v" n8 |0 I# b IID_NULL,
5 v2 m% p" J: G LOCALE_SYSTEM_DEFAULT,8 P' u) k3 p4 A
DISPATCH_METHOD,5 R/ h' @. e: @
&dp, ^+ s4 X; S/ V/ R, m
NULL,
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&uiErr);. ` S' @- ]- i: D8 L3 O
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SysFreeString(topicStr);
) |# V/ A4 i1 W9 i SysFreeString(itemStr);6 o* r/ Q; ]2 X r
SysFreeString(valueStr);
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8 F7 ?9 w8 b9 ?6 {4 _+ J; h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???5 D+ l. {5 @3 ]
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( S \! t$ U. v6 X4 s( w( A6 l. j
// Request a value from Extend- ^& }# H" N/ ?5 ?
//9 P: {! N9 u- ^
// Initialize the variant that will hold the BSTR. Set the variant's
& `4 `* T+ c! _( E. c& t// type flag to indicate the fact that this variant holds a BSTR. Place the. Q" q: N8 U3 J5 K5 ]
// BSTR into the variant structure.0 Q& A! {- G- s6 Q! ?% g: g* x
* L* w1 y$ E$ z9 Q& U$ d9 l0 \ requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
& K) n& {; |2 H } g" [$ f VariantInit(&requestVariant[0]);
* P1 Q- Z0 @4 `5 M: j$ Y& {5 h requestVariant[0].vt = VT_BSTR;& U! I i3 A. q# Y
requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system"); h* `( W4 d+ C( Y5 ~$ `4 M/ U
VariantInit(&requestVariant[1]);
2 n% w' T( |7 _9 q requestVariant[1].vt = VT_BSTR;
" P$ D3 g" M5 P) p requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.% l$ @$ D: X/ `( s
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dp2.rgvarg = requestVariant;
# W& c+ Y# n$ f dp2.cArgs = 2;
3 A l/ d& w5 y3 ?# ^# B d dp2.rgdispidNamedArgs = NULL;6 f* n M& g5 }8 u. Q' `& d4 w; m
dp2.cNamedArgs = 0;; _! t! d7 t( |( {4 i
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var.vt = VT_EMPTY;+ n% }( N" w1 Q6 Q
% p7 y* \; ~. B9 N: P% h6 c// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(3 H5 Z+ O: A1 [: E$ `7 ?
requestID,$ e6 R$ Y' k& m; m8 e6 y$ k, }
IID_NULL,' O9 L# z0 ]! A( P4 \
LOCALE_SYSTEM_DEFAULT,% A5 u1 |2 l* E) w& s+ d1 O! z7 a
DISPATCH_METHOD,! F7 b5 z$ }+ u: H$ |
&dp2,: d' n w. Z1 f2 L
&var,- q% L* S% X8 G1 {; o4 R
&ei,4 a" R' K: }$ _- }8 N2 v
&uiErr);
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4 E5 x' e% x* y. L SysFreeString(topicStr);( ~! e! e* s( R
SysFreeString(itemStr);4 u% C2 r, \3 _% Q, }7 A
请问该程序是获得extend里面的哪个值?; ]! o: B* [! @# z
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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