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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:3 ]- H2 V* W2 b* g3 `3 m* D6 I; ?
Name = (WCHAR *) L"Poke";
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o0 u/ S5 |/ x) O hr = m_pDisp->GetIDsOfNames (! W6 j& {# @3 I5 \- V. N* Q
IID_NULL, // reserved
/ ~* U8 g/ m* U. r &Name, // Array of names to get IDs for
8 k* w# |* r7 S, }) V }' s$ D 1, // # of names in the array
1 T# b+ \0 }# r" X8 y LOCALE_SYSTEM_DEFAULT, // System locale
( L3 W) C3 x* M- @ &pokeID); // Array of IDs to fill on output
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6 _0 r4 N. m7 Z1 c" X if (hr)
# p6 N( C7 F0 Y6 w- g5 \5 s: N {! W* W7 l- U x p1 k0 L6 p4 |( N; c
MessageBox ("Get Poke Unsuccessful");9 H# O4 ]& ?. F; q, Y
return;" H! M1 f2 K: N3 i ]* ~
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/**************************传递数据给extend**************************************/
/ k% P; O4 ^ N% r7 d R5 z pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");' K% c: T5 E$ G1 d9 f
VariantInit(&pokeVariant[0]);
: G% m1 T# a. }$ j* o! d pokeVariant[0].vt = VT_BSTR;
3 n, s* {$ G9 f8 v, y6 O/ W pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");; J8 P" N1 n3 P% w3 E
VariantInit(&pokeVariant[1]); # Q- ?& m* m9 w) Q% y7 I8 B9 _
pokeVariant[1].vt = VT_BSTR;0 C: k! ]. i. E* F
pokeVariant[1].bstrVal = itemStr;
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1 Y# E7 j/ } Z; z/ A, u topicStr = SysAllocString((WCHAR *) L"system");/ Q! k4 H4 |" r$ f3 i2 l- w) X9 f
VariantInit(&pokeVariant[2]); 5 \9 A7 {: |) C; H$ V1 C2 d% A9 l( p
pokeVariant[2].vt = VT_BSTR;& V r- i% n! a& x5 f
pokeVariant[2].bstrVal = topicStr;1 e* S" ~* r' r( K6 ?" L
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// Set the DISPPARAMS structure that holds the variant.
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+ A I( ^/ H3 d0 x dp.rgvarg = pokeVariant;$ E9 P3 E/ T! o Z8 R% H
dp.cArgs = 3;( t& G! z' Q! e' V2 j! v
dp.rgdispidNamedArgs = NULL;
. u# @' w/ N3 p dp.cNamedArgs = 0;1 k+ D; M- t: \
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// Call IDispatch::Invoke()% \: F& r, [! H5 {5 P
3 F0 o% e2 Q4 I8 ] hr = m_pDisp->Invoke(
0 u% ]. o+ G2 ~! o* q& p5 m6 L pokeID,
& [4 W9 l) Z/ p3 F$ u% ` IID_NULL,
8 u5 l$ m6 @$ Y0 l3 k LOCALE_SYSTEM_DEFAULT,
$ f' i) _+ w% q DISPATCH_METHOD,7 t. G: _" J7 ^' n# z1 t/ D
&dp,
/ d2 u) V6 s& Q2 p$ I; b NULL,
5 }9 I; ^7 t5 ~5 g& @" C &ei,
& X* w; l- N9 Q6 a+ g) D. T& G &uiErr);/ {3 t4 ^8 f+ E2 w! c
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SysFreeString(topicStr);! O- q* s9 V$ `. y/ H
SysFreeString(itemStr);
# V1 G; E. c8 v+ |# J# _# i SysFreeString(valueStr);
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9 U- D5 k7 P2 |3 R$ S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 `# V6 C/ p* e1 _0 ]9 C/ L+ S
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! t2 V3 e; B3 o" j, u
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2.这是request的程序! i: `/ S: R6 o/ ^$ l' D6 [4 ~/ C8 {
// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's
( {7 G, ~. P3 }6 z// type flag to indicate the fact that this variant holds a BSTR. Place the
, g2 |3 M8 b) Y: p// BSTR into the variant structure.( S7 M! y Z/ M$ R# Q
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);$ E% v" @ l, V% h1 n
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
, X' l# r8 I5 o" y* l( u6 D+ u VariantInit(&requestVariant[0]); ) w! y+ m! ^. q; n& p7 [
requestVariant[0].vt = VT_BSTR;! E1 K3 C1 _* ~( ~
requestVariant[0].bstrVal = itemStr;
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1 |7 g) A* \" E; ~5 X! A7 T' N- { topicStr = SysAllocString((WCHAR *) L"system");) i& K9 B9 y$ I
VariantInit(&requestVariant[1]); 2 w0 e& N" s8 g1 ?5 |+ }/ t; ~4 M
requestVariant[1].vt = VT_BSTR;; X- ~ Y. e5 U/ ^9 p9 S3 w1 E
requestVariant[1].bstrVal = topicStr;9 M9 c5 X7 a' a |( d
' y6 b: h# @1 ^6 U- m# D5 C8 ?// Set the DISPPARAMS structure that holds the variant.% L! e$ f; T! S. C$ ?
0 G& E J w' P& ^$ e$ W; b dp2.rgvarg = requestVariant;
2 q8 H+ X: K5 u; S$ ^. F# g dp2.cArgs = 2;
# u+ N( p' u: w* E6 e3 h dp2.rgdispidNamedArgs = NULL;% p! f# o! R( h1 u9 c
dp2.cNamedArgs = 0;0 h7 n' T5 F% a
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()9 a6 u: M+ T9 f( S$ L7 p/ S
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hr = m_pDisp->Invoke(* E$ y& r6 n5 E; Y; [- O
requestID,7 N4 J/ p+ b6 P, _ ^
IID_NULL,9 v0 b6 p4 X. U# b8 g% H; }
LOCALE_SYSTEM_DEFAULT,
2 e, w7 z' u$ J7 ~4 z DISPATCH_METHOD,+ N- k' ?+ ~3 ^+ G5 ?: F+ T$ g) v$ Y' }
&dp2,
2 r7 w: V; }, }# k &var,0 X7 U' v3 n _# W+ B. W% w9 P
&ei,
$ |; @5 u% E" {: I0 H- @ &uiErr);
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SysFreeString(topicStr);3 n: e8 }- b# o; ^
SysFreeString(itemStr);2 H8 ~1 H* h0 }# J$ M7 r f7 a8 c
请问该程序是获得extend里面的哪个值?
# E' n- A4 P* [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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