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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:
# u, D6 o- C4 J- hName = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (( j3 x S* W8 V6 `- C6 r
IID_NULL, // reserved9 k) R7 ?( @' S- N. s. v) Q
&Name, // Array of names to get IDs for
8 c5 J( k& x6 h& L, d) V0 k 1, // # of names in the array
+ L4 ^/ T @) w8 C" @2 G4 |. h LOCALE_SYSTEM_DEFAULT, // System locale
! A$ J% o# P/ a8 ]4 k1 R0 K &pokeID); // Array of IDs to fill on output
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if (hr)/ g/ ?3 d9 B! ]" I$ W6 ]9 g
{6 _/ f J% i( j0 s
MessageBox ("Get Poke Unsuccessful");; A% |# Q, ?, y
return;
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' d2 y6 A, _, B3 x7 k6 n5 u) I/**************************传递数据给extend**************************************/
& j G/ d: C% q2 l& |) } h, f pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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- B' O+ A3 @ v+ |/ i3 s2 @ valueStr = SysAllocString((WCHAR *) L"1232");8 z- W4 N# s6 h2 ^
VariantInit(&pokeVariant[0]); ( `9 k ?; v2 C
pokeVariant[0].vt = VT_BSTR;
0 l4 V1 t% D# a) m pokeVariant[0].bstrVal = valueStr;! D2 c9 f. l7 R5 g. @
5 J1 w! Z# T8 D: k! b% C itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
) l c' u: q( o6 d; f, v VariantInit(&pokeVariant[1]); 3 y+ Y% \! B& b* V
pokeVariant[1].vt = VT_BSTR;
' q! `, r& T# w. w pokeVariant[1].bstrVal = itemStr;
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9 K3 u" w) p! V/ u1 z- F% E8 f topicStr = SysAllocString((WCHAR *) L"system");
6 ~) D( v3 D. C D5 K% Z& f( b VariantInit(&pokeVariant[2]); 8 F6 N: \& K) Z
pokeVariant[2].vt = VT_BSTR;. s. w, A$ H% ^6 E! l# F
pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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7 k) t; Y0 y7 P' z: A& a% u$ w dp.rgvarg = pokeVariant;+ o2 k! l4 l; x; \) M
dp.cArgs = 3;
9 M- q/ r) D# s, C. q7 z% Z dp.rgdispidNamedArgs = NULL;
2 ]: p* A! a- N) x$ L dp.cNamedArgs = 0; e0 }3 R3 ^0 _8 o" T# p
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// Call IDispatch::Invoke(); T1 x; H% v5 H) D$ D
( z/ p$ h$ k8 u6 ~ hr = m_pDisp->Invoke(* V) |7 L! J. n9 d' j( A+ A7 G
pokeID,
: A `; B. m+ I" i5 c IID_NULL,! z) {) t- h* A0 z" n
LOCALE_SYSTEM_DEFAULT,
/ B8 T1 m# R2 O. m5 Y0 i5 i: h DISPATCH_METHOD,: i5 B4 Z% D, H6 X+ h* _& e" I
&dp,$ ^+ ?! p9 f7 i; j% M @& d
NULL,! ^3 R ~' [8 U+ o7 r. C: A3 ?( o
&ei,
% a% _6 m5 A0 }5 P' N0 F7 E &uiErr);
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SysFreeString(topicStr);+ e% a1 w1 s2 ^0 t& ?* E7 c% A
SysFreeString(itemStr);
4 K" H. ]3 `4 p: X 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???$ m, a6 s% E/ L& F& K% h9 ?7 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????
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; K. g' f) B+ O/ R/ V4 V2.这是request的程序
6 V. E# ?$ n. _4 k, H4 U// Request a value from Extend: }1 Q5 e: u/ O
/// ?( g3 p* Y& R3 {
// Initialize the variant that will hold the BSTR. Set the variant's" {. P i# I4 d& ]) _" U* w
// type flag to indicate the fact that this variant holds a BSTR. Place the' |, [- w5 X) q0 R4 _7 Y8 c- P+ [
// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);; Y6 p6 f3 B X+ O) J) s
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");$ m4 ^; V5 I3 Y2 o) p8 H7 v' a
VariantInit(&requestVariant[0]);
3 G4 b) ] ^1 s: D requestVariant[0].vt = VT_BSTR;
/ ~0 `" ?7 C$ R& \) l requestVariant[0].bstrVal = itemStr;% V; s2 j' g0 P! s) r/ {
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topicStr = SysAllocString((WCHAR *) L"system");) t& g" M0 r+ r* }% q% d$ u
VariantInit(&requestVariant[1]); & d1 \1 H1 a" b1 L. A7 E" D* N) O
requestVariant[1].vt = VT_BSTR;/ ^6 x* C- C- J+ `) Q/ a
requestVariant[1].bstrVal = topicStr;" e$ x8 ]$ T; T7 X
* [) W% I4 p: A* _// Set the DISPPARAMS structure that holds the variant.
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8 l: I7 P. Z- H dp2.rgvarg = requestVariant;
2 {+ C4 b) b/ m4 g: U1 i dp2.cArgs = 2;
6 u0 C* n V- M1 p- q) v/ i dp2.rgdispidNamedArgs = NULL;
: i/ |; |$ ]# X2 I2 Q& F1 j8 v. c3 k dp2.cNamedArgs = 0;& ]" H% x0 c1 H8 j: r; Z* x
: Q3 A& h) W, O; |! X var.vt = VT_EMPTY;4 ?. Z5 G* y. e% w2 b7 D' ~' V6 V
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
6 s$ [2 q! y2 Y1 }% d% v$ i requestID,
( [4 h- h6 b; y9 } IID_NULL,0 N% I2 W3 j9 O3 U0 i8 ]* r
LOCALE_SYSTEM_DEFAULT,
9 d0 _7 c; J. k. G' n" k DISPATCH_METHOD,
0 f, y: j! S; `& j# O" q5 q- ` &dp2,
, \3 n' P& t8 E. j &var,
5 t3 ?" ]6 n& q% X &ei,3 n& Q) P, [4 q
&uiErr);
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SysFreeString(topicStr);
8 n) S5 K3 c; {5 k0 v- D SysFreeString(itemStr);
$ _& D! r9 z# f% Z/ S请问该程序是获得extend里面的哪个值?
2 ~* _( E" C9 O4 F1 i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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