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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:2 r3 Y3 b. F& m* M1 j; J, G* c
Name = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (, t. m C$ [( Z& E: e
IID_NULL, // reserved& ^* h; q- J, W( U0 b$ r
&Name, // Array of names to get IDs for
% z' x0 U) o4 Q& x3 f% o 1, // # of names in the array
- l* E6 N4 u+ {6 V8 b1 p* v/ Y LOCALE_SYSTEM_DEFAULT, // System locale
8 A& c( o% w% ?+ P$ m &pokeID); // Array of IDs to fill on output
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. I3 z) _' M: ~9 I$ F% ~ ?1 g$ Q/ K if (hr)
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MessageBox ("Get Poke Unsuccessful");
. ?) B5 z. M0 j n/ C% n( l% W' J return;
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$ \. ~% t5 C- d( k* r; P/**************************传递数据给extend**************************************/
$ h. @: ~# W$ N, w# K9 b pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");+ b7 w+ ^6 N2 F# i( ^7 G: [
VariantInit(&pokeVariant[0]);
$ U% }# B l+ p9 G) @0 k6 L6 Y- P pokeVariant[0].vt = VT_BSTR;" Z V7 T9 h$ a
pokeVariant[0].bstrVal = valueStr;* h9 k! E+ s+ {6 W
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
2 S" }/ V- O2 u- d( {$ O5 x VariantInit(&pokeVariant[1]);
0 m+ |2 |; l. d- p, { pokeVariant[1].vt = VT_BSTR;
9 O# y* I8 }/ T0 H) d- L pokeVariant[1].bstrVal = itemStr;6 J% i8 ]: r7 ^8 `; a6 K6 g) J
0 d# I8 g( A4 s% u" ^# J8 @ topicStr = SysAllocString((WCHAR *) L"system");/ i8 }5 M$ P5 g" d2 [
VariantInit(&pokeVariant[2]); % X9 l9 r3 n3 i5 V A
pokeVariant[2].vt = VT_BSTR;2 X$ N9 Q$ W0 `0 z( b! ]+ H8 g
pokeVariant[2].bstrVal = topicStr;* j* o0 _8 ]3 [- N7 q
. x: H$ O6 f' f// Set the DISPPARAMS structure that holds the variant.
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4 s' L! k( x6 F* Y$ ^" K dp.rgvarg = pokeVariant; a3 W9 W6 E; A$ ^) i
dp.cArgs = 3;: a' I2 ~# k* N8 @8 k& U
dp.rgdispidNamedArgs = NULL;
$ b7 _$ s* e; r/ j% ^* _ dp.cNamedArgs = 0;1 p" r$ e. ?1 x/ i3 x
/ b7 ~" S' j8 a7 \1 d% m// Call IDispatch::Invoke()
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: z9 @1 i% ?/ U8 f& U0 r, u hr = m_pDisp->Invoke(
8 J2 c. Z% {6 o9 |' F pokeID,6 Y9 y7 R) v1 B% p9 C Y1 J- F
IID_NULL,& P, o& K) F2 y& C
LOCALE_SYSTEM_DEFAULT, m, ]% z! _: L' b2 Z
DISPATCH_METHOD,
* D# y( j3 i2 Q s/ |5 [ &dp,8 P1 E8 K7 l( ~
NULL,
" g2 D" z6 q& G( {- S1 n5 [ O &ei,4 d, j. t# i& s5 C0 J
&uiErr);2 ]) _, j5 Q9 N% v
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SysFreeString(topicStr);3 U' a9 q/ \! g/ d0 T
SysFreeString(itemStr);, d- o- L3 o `0 t! P; r* U- S: k/ L
SysFreeString(valueStr);$ x/ t5 F4 [! [1 P* O0 ~# U& a
7 \/ _. }! f1 f$ z p2 a2 ~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???
x- O2 b0 o3 \- 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????) |. x) u8 D/ W9 O) e
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, c T# U& c3 |4 P- p7 l2.这是request的程序
8 k: f R1 I# h# D8 h) W// Request a value from Extend
: ]* D2 H( \- G9 {; Z6 Y4 C//; t; Z3 ^1 q5 g$ K! K5 z
// Initialize the variant that will hold the BSTR. Set the variant's
+ L8 {8 \) ?* o// type flag to indicate the fact that this variant holds a BSTR. Place the% W- t1 [3 m( Q$ ?; x, P0 U* A
// BSTR into the variant structure.7 W; ]% l, B3 {2 p
+ t1 u0 R* U# W. u
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");2 n/ }. W: t, E/ b" P
VariantInit(&requestVariant[0]);
+ ]. z) s. P+ O8 M% ? requestVariant[0].vt = VT_BSTR;7 \! ?( U6 E- p
requestVariant[0].bstrVal = itemStr;
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7 a8 \( f( d$ f topicStr = SysAllocString((WCHAR *) L"system");
- d* ]9 l( d$ _- a; y2 Z VariantInit(&requestVariant[1]);
7 y! R; [/ N G# P3 z, h3 q6 E requestVariant[1].vt = VT_BSTR;
9 y& o8 y$ H, g; h7 b9 u requestVariant[1].bstrVal = topicStr; ?/ D$ e( V# W: C
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// Set the DISPPARAMS structure that holds the variant.: ?" g2 }+ H- K- k- T
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dp2.rgvarg = requestVariant;
4 v5 t4 w; }' f* d5 Y9 w dp2.cArgs = 2;" U. i1 x3 z. [) H- Q; g# A9 L1 j$ ^) K p
dp2.rgdispidNamedArgs = NULL;
" @, x. C, ^' i0 `; Z dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;
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9 r4 B" m# b7 m: t' p2 ~// Call IDispatch::Invoke()+ R! B1 f/ l) O5 {- G3 y
' S( B! R6 F+ H8 S: b* g$ G hr = m_pDisp->Invoke(7 v" b$ r7 U; {% w+ H' s
requestID,
3 }; i! \3 z' R IID_NULL, t" m' p+ a; q$ u- x% T) E
LOCALE_SYSTEM_DEFAULT,4 u* U, c! v+ ^# { I
DISPATCH_METHOD,# i) r# {* {; w/ m. I
&dp2,
; m8 h9 s5 e4 i &var,( y! C ~0 I9 I8 {
&ei,
y5 L' y3 P; I: ~# G/ p. Z &uiErr);
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) a1 M( z5 t1 ^. b8 }6 H SysFreeString(topicStr);6 a: b7 a, r. ^$ C8 [8 m& N
SysFreeString(itemStr);2 Y) s9 Q2 f& h5 w4 o
请问该程序是获得extend里面的哪个值?: h- j. L" p. g+ R
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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