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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:9 c+ w* b: `! Z6 A4 p5 m, W
Name = (WCHAR *) L"Poke";8 \$ Z' l$ N- N: ^# M) f/ K! W
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hr = m_pDisp->GetIDsOfNames (% `2 l/ A; }) ^! K" ^
IID_NULL, // reserved( ^* o$ D/ a. R# F+ S9 V1 t; H- ?
&Name, // Array of names to get IDs for6 l9 f0 e) Y; R# ~
1, // # of names in the array
, C* e4 L2 F0 L. ^9 Y, q) l4 v LOCALE_SYSTEM_DEFAULT, // System locale7 u+ O2 L- c& \
&pokeID); // Array of IDs to fill on output
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" |8 H7 l" r( I' f/ s( s if (hr) a2 f1 b( ?* L
{# S8 |: {: q/ j: i! Y9 }) {
MessageBox ("Get Poke Unsuccessful"); z( Z0 ?( f# S
return;
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/ g" ~1 K5 e/ Q+ q/**************************传递数据给extend**************************************/1 a# l$ F# Z: S% N J
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);( ?, j' F3 x% Z9 k/ c5 P
) m3 t/ l! z& y+ D1 ~ valueStr = SysAllocString((WCHAR *) L"1232");
/ u6 \: [# r& y0 V VariantInit(&pokeVariant[0]); N6 v& l2 g8 f) x( s
pokeVariant[0].vt = VT_BSTR; P& t7 c) q8 C% J+ p
pokeVariant[0].bstrVal = valueStr;8 p& A6 r4 ^" j) f3 B' B( C
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");7 L1 V' @2 @# }: B" v
VariantInit(&pokeVariant[1]);
( n( |3 b/ A+ h# K pokeVariant[1].vt = VT_BSTR;9 E" T5 J3 X: H& |2 t6 F H
pokeVariant[1].bstrVal = itemStr;
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: u. T+ |3 ]+ }# t+ G' @: |; w( b topicStr = SysAllocString((WCHAR *) L"system");
* c6 b5 F6 _: T$ d9 M! r% n& m$ f VariantInit(&pokeVariant[2]);
$ J0 o2 n' b5 Y pokeVariant[2].vt = VT_BSTR;& \! p6 ^' w1 y ~+ [: G& _
pokeVariant[2].bstrVal = topicStr;7 B8 f% }, h6 R; ~
, t' H) B0 r2 B2 T# E// Set the DISPPARAMS structure that holds the variant.' E, u! |* V, A u9 ^9 W
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dp.rgvarg = pokeVariant;7 U& @7 A( e6 {; f# u! f% l
dp.cArgs = 3;
$ g) z* O7 R) h- [. _; y' I: T dp.rgdispidNamedArgs = NULL;
0 {# T4 r2 S; T dp.cNamedArgs = 0;2 \/ A) o7 B$ u$ b% V$ x" @
& `6 n% ]7 ^% q- C1 }3 I6 Z// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
9 B2 @9 ?" I) ?8 y4 R- Q pokeID,: }) n% \( N6 o$ u6 b' k% l. r9 i \: l
IID_NULL,
9 F( q: h* e0 ]+ B LOCALE_SYSTEM_DEFAULT,! v6 p5 H" H- J: ]9 U5 s, X
DISPATCH_METHOD,7 _5 N! U4 s3 i: e0 V1 N8 w; _9 J
&dp,: R3 j/ w5 O% q2 O: H% j2 c2 E
NULL,
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&uiErr);( }) l3 m5 H: O9 P; M7 i( A
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SysFreeString(topicStr);
" i% q3 n2 R' h# W2 z SysFreeString(itemStr);
3 A4 L0 b U 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???
$ d3 ^6 n5 \; X. G8 B4 O, U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 Z# Z" }
// Request a value from Extend5 J1 Y* @* S2 g8 K' _' J% j" |
//
9 S" z7 T/ e! v: H1 l' u// Initialize the variant that will hold the BSTR. Set the variant's
9 c# S* `( Q2 _' p0 c// type flag to indicate the fact that this variant holds a BSTR. Place the: ^5 \" O8 m2 c9 {* Z% m& o1 B
// BSTR into the variant structure.& q" m! X+ ]: B+ Y& U! f! D0 E' {8 ~
( A1 R( d( }$ K% M# V% o* e. w3 r requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);( f* }; S& a$ |
# R! ^' K; i# G' Y itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
& ^) m& O( I+ [# K( ] VariantInit(&requestVariant[0]);
# |2 C+ I8 _+ E% x' T requestVariant[0].vt = VT_BSTR;
- J# v, L4 m# s& i requestVariant[0].bstrVal = itemStr;
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% X. F$ u( f5 U9 k! [ ?4 f M topicStr = SysAllocString((WCHAR *) L"system");& L% k6 ?$ U* }
VariantInit(&requestVariant[1]); , n& u* q. L7 F& O, t+ \0 f
requestVariant[1].vt = VT_BSTR;/ J4 R& J4 _+ \* ~; A& ~. T5 T
requestVariant[1].bstrVal = topicStr;5 p& F+ A4 x' k
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// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant; J7 Q' F5 D& D% ]! m
dp2.cArgs = 2;
9 f4 F2 g* d# {* u dp2.rgdispidNamedArgs = NULL;
7 G* |% Y, X0 z& `* B dp2.cNamedArgs = 0;( t7 L% K0 I; i3 A! f+ l2 T4 t A
7 s( |7 I& `, H var.vt = VT_EMPTY;4 e8 k, S* ]( o) a- a
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// Call IDispatch::Invoke()
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) d0 [/ c$ \4 [- e) z hr = m_pDisp->Invoke(
( E5 M6 e6 G. L* b* K7 U requestID,
7 I& F6 o$ |* a& u7 H, a. l* f IID_NULL,
2 f; ^ O% y& p( S6 k LOCALE_SYSTEM_DEFAULT,
9 O }8 U8 ]( @ DISPATCH_METHOD,
% G% x: D P( ?+ [/ X5 h &dp2,
& v4 G1 a& E/ B( B4 D& a &var,
% e" h# ]3 G. P$ b- b2 K &ei,; M, a Q, z% U
&uiErr);$ t R2 g! p/ |
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SysFreeString(topicStr);9 \2 O% M5 I' K/ Z
SysFreeString(itemStr);
9 F7 X: t9 y4 `! T请问该程序是获得extend里面的哪个值?
% A, h5 Q! M) ~8 Y# j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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