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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:
) I7 B. K! h$ c" hName = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (( t7 g' K& g7 }/ R
IID_NULL, // reserved
8 q% F7 T: v$ d) J9 D$ p: ~) W- X; Q &Name, // Array of names to get IDs for
- H, X. [2 M4 [/ q J 1, // # of names in the array
+ n" f9 @( k7 t5 F5 v LOCALE_SYSTEM_DEFAULT, // System locale
& E0 B: ^/ c$ q- z &pokeID); // Array of IDs to fill on output% o9 l5 W) r* h( R
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if (hr)! L# `$ t6 s2 V. C6 t9 H: l$ \4 [
{+ K$ P6 D4 O, u9 T7 z
MessageBox ("Get Poke Unsuccessful");* \; N f& I, j. l6 `! p
return;! m R4 e& n- K2 m2 K
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/**************************传递数据给extend**************************************// `8 H9 f) `+ W T( S
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);2 H, P N* i7 }/ x6 g3 F3 r
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valueStr = SysAllocString((WCHAR *) L"1232");
5 z/ T$ l% _8 U) C& g VariantInit(&pokeVariant[0]); ( v; C- S( Y# D* P+ k: Y1 r- ~
pokeVariant[0].vt = VT_BSTR;
! e; L& t% k! ^ pokeVariant[0].bstrVal = valueStr;
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1 k( Q n) y1 f/ {' _7 S itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
: P/ V. o) h5 f2 j, K VariantInit(&pokeVariant[1]);
@0 ^: v4 K4 c( T x pokeVariant[1].vt = VT_BSTR;
. i" C/ s# K: j4 h pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
: v# ?9 x1 N- z% N+ L VariantInit(&pokeVariant[2]); 4 x2 S9 d7 O3 L: e: [. U
pokeVariant[2].vt = VT_BSTR;
8 m r" j0 _2 v. k1 s1 p pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.6 T# \& s1 j" ]: ?* [) ]2 i8 [, V
% c8 z9 f+ D6 s! m9 h6 b dp.rgvarg = pokeVariant;
) @* l# P% @+ {* H% B dp.cArgs = 3;
0 ?- I, L( A Q; G) M; u' W2 V dp.rgdispidNamedArgs = NULL;" R8 O( u' l& [+ f' B* |
dp.cNamedArgs = 0;( H e! I0 t. B! s" s6 _: R
2 a9 {* ]; b- D( Z& F// Call IDispatch::Invoke(). M' `" B; M8 F }$ i; v7 }
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hr = m_pDisp->Invoke(8 I# u$ p: H [) a$ e" B
pokeID,
5 l( i% G4 t# g5 c4 g IID_NULL,. [9 k& ]# k4 R$ h4 O: G, N
LOCALE_SYSTEM_DEFAULT,
4 y- ?' x" n4 k DISPATCH_METHOD,
: f( V% z( }9 L! ?2 j &dp,2 \" J+ t A, ?0 R. _5 l
NULL,- g: s" U# x0 k S; V
&ei,7 x( V" `9 t9 `' U! f. ^
&uiErr);
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# f- A9 q2 r* \1 _ SysFreeString(topicStr);- V) [1 P" v1 Y- { |+ A
SysFreeString(itemStr);
4 V8 w% R( f+ M SysFreeString(valueStr);4 Z% |' M- O( W0 _3 x4 ]4 R
8 K6 I+ |* ^; e2 g
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???: @( q8 e# ~1 Y/ u% z% n
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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5 ?4 Z* q9 v. t3 F2.这是request的程序+ i& \1 h) N/ H9 V( Q5 S
// Request a value from Extend* _% c5 o9 q8 M7 r. \+ i
//& k: a) {$ i& f! e. ~
// Initialize the variant that will hold the BSTR. Set the variant's
5 E. A+ [/ D- F& F0 Z$ ]0 v3 R// type flag to indicate the fact that this variant holds a BSTR. Place the
6 V) ]% U2 Y( h7 `& b// BSTR into the variant structure.5 k/ n6 i% p. l) x% ^
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
0 z# E. @0 A0 `4 E VariantInit(&requestVariant[0]);
0 e, Z/ ~. Q- l+ ?( n M7 L requestVariant[0].vt = VT_BSTR;" Y7 a2 Z9 u, }0 k$ M N- X5 h
requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");# z! ?+ Y/ G( }$ W3 G2 \: K/ g
VariantInit(&requestVariant[1]);
3 \1 H- P/ q- r4 R; z- D requestVariant[1].vt = VT_BSTR;& t/ N1 n: r# p# g& S
requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;- e$ W" W. b- _7 D. U$ B' K
dp2.cArgs = 2;
& o1 j; E: g, J5 ?- H0 Q dp2.rgdispidNamedArgs = NULL;, I- I6 A3 e1 C ]% V
dp2.cNamedArgs = 0;: N1 q- \/ Z0 ]6 M+ e) F
! O! }% K0 \- ` var.vt = VT_EMPTY;& o% Z( Y* s' L: N7 t7 V9 X
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// Call IDispatch::Invoke()
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2 E$ [, M7 Y5 B, d hr = m_pDisp->Invoke(: E" k) \+ w- E2 ]; m3 Q; v( A
requestID,
9 _' N) x. r, V6 K5 {( _% `) J IID_NULL,
+ e4 U$ V' W' U0 y/ p LOCALE_SYSTEM_DEFAULT,
8 ]! b+ u5 U+ H$ b9 I: Q* d3 n DISPATCH_METHOD,
& p4 c! C' r. I0 D &dp2,
, F0 G# m8 U9 u4 k &var,/ }( G2 C; b) `7 R4 m$ n g
&ei,
0 h( X$ \3 ~! [; m8 { &uiErr);+ l1 r1 \! P8 f
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SysFreeString(topicStr);# B8 J w. b$ N. f" N% x
SysFreeString(itemStr);
4 o; I2 F: ]. r7 b/ R请问该程序是获得extend里面的哪个值?
! {' f# ]3 {( X4 H6 y9 w" C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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