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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:( c! b8 H; Q/ d5 Y9 o4 a8 o
Name = (WCHAR *) L"Poke";
" q! f4 z4 s7 P7 A% R S ! j; Y' k0 ]; o8 e# N% J: Y
hr = m_pDisp->GetIDsOfNames (
( S9 c4 G j: C) F. {* z+ b1 M" P IID_NULL, // reserved
2 \4 n- ^" I5 }3 O9 W &Name, // Array of names to get IDs for
9 E9 n( B) D8 ]' m- O" z/ t0 c5 _ 1, // # of names in the array2 w/ C" y+ Y1 l8 m0 s9 L
LOCALE_SYSTEM_DEFAULT, // System locale
* G1 L8 l/ Q; W3 ] &pokeID); // Array of IDs to fill on output
/ h% O6 r0 j0 c, F h 2 p5 e* s& r$ a* _
if (hr)! O6 L6 Y. Q- H% U d
{% r' J3 r- b% i: @
MessageBox ("Get Poke Unsuccessful");
) h1 O+ M! e. _) X, [2 D g4 A$ P/ V5 A return;. q1 _( w5 P' r% m$ Z6 T
}. F& D$ a+ m* n- ?' T; I$ Y
8 Z" T! r! C+ }/ K
/**************************传递数据给extend**************************************/ ?! c9 z) o7 m/ f
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
8 u) d0 N. _3 i
9 f& S8 r# W2 T6 \1 e valueStr = SysAllocString((WCHAR *) L"1232");
, e2 O- N( z7 c7 v VariantInit(&pokeVariant[0]); . S5 P+ e8 v o* g a& }) p: e
pokeVariant[0].vt = VT_BSTR;
* k. L9 ^4 _8 H" c pokeVariant[0].bstrVal = valueStr;
$ |7 j1 ~; ?1 x* K7 q" x& X4 h: |/ [0 o: |9 P) }- g
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");$ e0 { F5 P2 p+ x" u
VariantInit(&pokeVariant[1]);
* F- Q- {& A& B pokeVariant[1].vt = VT_BSTR;6 n: m4 ]: o# b/ R7 W/ b: y- W1 {8 d
pokeVariant[1].bstrVal = itemStr;% ]( E p0 t) @- v5 y7 p" O
4 [4 o" g' B5 U, p& r topicStr = SysAllocString((WCHAR *) L"system");- t, H! Q# s5 t6 j+ F' C
VariantInit(&pokeVariant[2]);
% a1 O5 {3 t3 m& M, | pokeVariant[2].vt = VT_BSTR;
/ `$ u, {9 ?9 K9 [ pokeVariant[2].bstrVal = topicStr;6 x; n$ Z! ~+ ]- ~8 j; @
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// Set the DISPPARAMS structure that holds the variant.
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4 b+ f+ g' E5 j dp.rgvarg = pokeVariant;* c4 R( u; ^ o" u1 }6 X
dp.cArgs = 3;3 f. I- i" R4 c: Y; v: E
dp.rgdispidNamedArgs = NULL;- t" G M, W( X) u; \! l, ~1 k
dp.cNamedArgs = 0;5 ^/ T ]2 V! C8 w
+ W$ f4 P4 b k0 x
// Call IDispatch::Invoke()
4 r( h! O* D/ v4 T7 t1 U& l/ Y' X: ^6 {
hr = m_pDisp->Invoke(9 f2 H+ c! \9 n% K7 O9 F5 I+ m
pokeID,
' ]1 p4 i1 c7 j: f IID_NULL,
/ b X+ y3 K4 K6 N5 ^( e LOCALE_SYSTEM_DEFAULT,7 H* s! u7 d4 [8 q8 H
DISPATCH_METHOD,
6 z! N8 Y# F* c! [4 L &dp,9 U$ i/ U" S w2 Q, T
NULL,4 x/ J6 v) |- D g; W6 r) P
&ei,( g3 g% i. [3 D+ Q! o- D" E% A
&uiErr);
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) p8 ^* E3 N2 Z5 I3 \+ S SysFreeString(topicStr);6 q, p* M+ }' i+ b, a8 G5 B
SysFreeString(itemStr);
4 s. D6 C! i3 M! `# U SysFreeString(valueStr);4 f7 t: \7 ? x5 I9 _
9 x- u; n/ ^2 ^/ d! y7 Q
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???, s8 [- n3 c5 o; Z1 g. F
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????; y1 K, T- a) f$ k/ `* v& h
2 h9 p& y9 g1 e3 a$ m
% w9 \; Y( p0 m6 a
2.这是request的程序
. v6 ?3 P' o" v. \" m4 |0 i" q// Request a value from Extend8 e+ `, h/ E( B. M" i9 x- \# h1 M) }& x
// [/ W* l! V3 o* G
// Initialize the variant that will hold the BSTR. Set the variant's
: A. C8 L5 f _, H+ N// type flag to indicate the fact that this variant holds a BSTR. Place the
" a6 }" C* x8 W// BSTR into the variant structure.
4 a. R4 q' u( y& r( B& K# K" w
1 J% c l" ` z5 K requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);- \9 _: c z" Z' [
8 b/ V/ }7 t/ `) @7 K4 ^
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");$ Y# y1 o& o: q; \+ ?: q4 k1 V) F
VariantInit(&requestVariant[0]); 6 D1 H/ S- C* R! M2 D/ J8 X
requestVariant[0].vt = VT_BSTR;
% d5 D+ ~% n; l; F+ a requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
) v. J4 i9 D! n5 f8 L5 K VariantInit(&requestVariant[1]);
$ m+ ?% O- m: L7 j- x( N$ j requestVariant[1].vt = VT_BSTR;% ^* U( P U: J/ o, @
requestVariant[1].bstrVal = topicStr;' M7 P" I2 q( t9 `. f
5 ~. \* U# P/ ~5 z9 ~5 _// Set the DISPPARAMS structure that holds the variant.2 ]" a+ g. Y7 c0 h% y3 u
1 s1 \6 \5 P) p. q9 D8 s/ i dp2.rgvarg = requestVariant;
5 F) K4 N& a/ l9 \$ C dp2.cArgs = 2;6 M( Q K( q0 m l0 o
dp2.rgdispidNamedArgs = NULL;
: C9 [1 C4 p; l, }4 Y; c dp2.cNamedArgs = 0;
* i# a3 F; u$ N! h
" _ o* N; W/ [9 `: f3 D8 X) p var.vt = VT_EMPTY;2 B( |3 Z6 L7 w8 Y; n% ?
, ] G0 n0 h6 `8 `# }3 F1 ?
// Call IDispatch::Invoke(): h+ B! `" {* C* ^2 w: f" I @
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hr = m_pDisp->Invoke(: G3 G; v7 N, b/ j
requestID,
# o9 O0 p3 R1 J: F- N& [ IID_NULL,8 D. [2 c6 h7 a; j4 i
LOCALE_SYSTEM_DEFAULT,
- @& w, i* Y7 C) ]. O9 @ DISPATCH_METHOD,! c1 G4 O% A$ i9 ?* F7 z
&dp2,
. m3 E O5 ^8 R) A# A& V7 B3 { &var,
$ @; c4 Q+ t4 s &ei,- d* o/ t$ f; W$ B- z+ D) L
&uiErr);
; ~! K7 G: v3 o7 Y" [' |# y- \) d- X/ C* M* a% j! k+ h6 d$ M
SysFreeString(topicStr);
, R" V4 f7 c. E5 ?, V5 l" h# P; M SysFreeString(itemStr);, k5 H1 x& s! f
请问该程序是获得extend里面的哪个值?
q& \2 F0 N _( b2 u }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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