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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:
& j9 J/ }/ D$ w+ j7 h5 W! HName = (WCHAR *) L"Poke";
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w8 P7 q- R2 G hr = m_pDisp->GetIDsOfNames ($ X; x) g) L% g! w; H! p, z. Q, h
IID_NULL, // reserved6 N/ `, v& Y9 Q3 v9 n- m0 }
&Name, // Array of names to get IDs for" ], r Q" k5 g6 i- `: T0 C& L
1, // # of names in the array! C* {$ m! ~& u: w. b& Q0 b
LOCALE_SYSTEM_DEFAULT, // System locale
3 u6 R: b, U1 p1 X* ] &pokeID); // Array of IDs to fill on output7 k4 I) K5 t- }2 ?
# E { w6 r) H$ o& y# P, r5 C if (hr)
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! [" \, x$ x3 O MessageBox ("Get Poke Unsuccessful");
' q5 z9 p; i, ?& N2 M7 J$ A return;
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/**************************传递数据给extend**************************************/! Z$ G Y6 q4 M
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");* B8 Z& O7 I6 i+ k
VariantInit(&pokeVariant[0]); ' b" T8 ^& ]4 Y
pokeVariant[0].vt = VT_BSTR;1 l* b" L1 E! y4 l
pokeVariant[0].bstrVal = valueStr;2 f& j: @: F- A! ]! ?
/ g, {; x, J) ^! | itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
$ f" u1 n: ^6 o5 Y- U1 t2 c VariantInit(&pokeVariant[1]); ' g% Y) O$ h5 ~# r8 V+ q
pokeVariant[1].vt = VT_BSTR;2 ^6 \; O1 s9 B* O# q8 d9 s
pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system"); V: O& H4 f9 s/ s" L$ t+ k
VariantInit(&pokeVariant[2]);
1 }" }1 b7 R6 Z pokeVariant[2].vt = VT_BSTR;( p/ b9 b) `5 Z) K. S6 R8 n
pokeVariant[2].bstrVal = topicStr;
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8 b( ^9 r. ?) ]! Y+ k, C5 M" [1 t4 Z// Set the DISPPARAMS structure that holds the variant.
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2 X6 D. k& k | dp.rgvarg = pokeVariant;% ?8 R1 l. ^9 s6 I: w3 R& ^" W
dp.cArgs = 3;
$ V! b4 d) Q- R0 o6 T1 w: n dp.rgdispidNamedArgs = NULL;2 N Y/ O R9 o2 Y' P9 {
dp.cNamedArgs = 0;
3 ]! i, X) r/ {! @# S5 ?
2 m4 n; }( |* m& ^# A4 F# w4 _// Call IDispatch::Invoke()* M( R& F1 T7 Z& a' v" p
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hr = m_pDisp->Invoke(
5 n4 S& G# A7 ?6 ^9 T" Q! z pokeID,+ c' | g, c0 Y! D* {& D" d8 h
IID_NULL,$ B& k- I7 R) o+ V( s& G
LOCALE_SYSTEM_DEFAULT,
- t7 I. N0 Q2 E, @' ?/ X. J& W/ w DISPATCH_METHOD,
% y8 C) j t/ D &dp,* W! L5 O, U1 N( M6 \: C. r
NULL,
& m) m; k \8 c* B- c* V &ei,
# S# k; J' I$ s. H8 e &uiErr);
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8 l' s% g6 O9 f SysFreeString(topicStr);2 F( _4 q m' J
SysFreeString(itemStr);
! y" e9 k4 I1 N# V7 ?$ h5 ` SysFreeString(valueStr);" f+ _& a9 a/ x
0 `$ W" v8 A0 U: i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???
8 \ A8 u- w) @; e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????( V$ D% `: u0 ?% Q9 B- T$ m
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. U# s0 O5 c$ K. U! a4 K2.这是request的程序
$ k5 ~ E( h& b) y// Request a value from Extend" _7 t0 ^8 {+ b) U
//
# _) U/ X( k, P// Initialize the variant that will hold the BSTR. Set the variant's
4 L& R1 V6 `7 t; Q" z1 |* R+ I// type flag to indicate the fact that this variant holds a BSTR. Place the& b4 D9 B: Z# ^( @& S( E \
// BSTR into the variant structure.
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4 ~- X$ c) x' ?5 | requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
j+ p% O; |6 L5 H VariantInit(&requestVariant[0]);
0 w, b- H4 Z# H/ P, c+ f requestVariant[0].vt = VT_BSTR;
* p8 P- q3 Z# q6 y requestVariant[0].bstrVal = itemStr;0 L0 r8 V) [5 Z
3 ?% P$ n6 o! i8 _; _ topicStr = SysAllocString((WCHAR *) L"system");, I* Z% Z0 S3 X: f( _3 j
VariantInit(&requestVariant[1]); " {) @. d* b+ Z6 Z, y; h6 A! T
requestVariant[1].vt = VT_BSTR;* \6 U! r+ W* X( F# e+ J! \
requestVariant[1].bstrVal = topicStr;0 k& o+ h+ M. }$ i8 i4 h: l
" y7 y/ h9 \7 p/ r; ^5 `1 q// Set the DISPPARAMS structure that holds the variant.* F: P# ~- J. a
! M2 a" a* q. g% I4 s1 L* y dp2.rgvarg = requestVariant;' F8 J. i( e. U
dp2.cArgs = 2;
1 h \1 x+ o& | dp2.rgdispidNamedArgs = NULL;
: h; l% K1 L, c dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;' ]! V' \: y) X/ M
6 k& D+ [8 x" d0 `5 q// Call IDispatch::Invoke(), U- o) a3 Y* C
; n/ Z# B0 C# {. Z9 O, }& W hr = m_pDisp->Invoke(6 n- E; }- {1 V. i" k( D
requestID,
8 R! e" U& y* p+ X% |8 H IID_NULL,* F* e9 Z! @; ?; }: d- @( u
LOCALE_SYSTEM_DEFAULT,: T6 q: x2 }% p2 ~( z4 G
DISPATCH_METHOD,
$ w: \; Y. J4 j &dp2,
& X/ K |# x1 J) q3 F3 H' i% g% \ &var,
, |7 i4 L6 A! _7 U' A8 i &ei,
6 X! I, x1 a, T B/ v &uiErr);
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' ?. p9 q# V" Z+ l7 R: |; j SysFreeString(topicStr);( H J+ i1 [9 G" A
SysFreeString(itemStr);
" N) \( H1 ~8 o+ a请问该程序是获得extend里面的哪个值?
3 p, B, S4 L+ v3 g; v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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