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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:
K5 B7 {3 _" ^2 MName = (WCHAR *) L"Poke";
; ]* U+ p S0 }, b 9 e. G# F) N" s4 F9 F/ \
hr = m_pDisp->GetIDsOfNames (
' C A0 u1 [8 Z3 S' q6 a IID_NULL, // reserved
0 V, n8 J; l& H: y &Name, // Array of names to get IDs for% O, p9 R2 U* E- C& [ {
1, // # of names in the array
1 \3 \9 ]# T' `- P$ d LOCALE_SYSTEM_DEFAULT, // System locale8 r& h7 w9 `# t7 V- F E' s
&pokeID); // Array of IDs to fill on output
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if (hr) L9 d* T# g1 _5 w" b8 X
{
5 |* J X" w# n9 u+ `3 A MessageBox ("Get Poke Unsuccessful");' r% S, ~- P) v; e0 K# F, e
return;
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, `* U8 g. I K/**************************传递数据给extend**************************************/
! B* }5 ~1 W6 O" x* N% x; \: S pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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% ?0 S2 X$ C% _+ T9 T5 L valueStr = SysAllocString((WCHAR *) L"1232");* T, Q- n, H5 u! F) n3 u* C
VariantInit(&pokeVariant[0]);
; I/ v6 L: ~4 ~5 j0 v7 {$ }5 ] pokeVariant[0].vt = VT_BSTR;$ R Y$ e* I4 c1 Z
pokeVariant[0].bstrVal = valueStr;/ w' {( j+ b! ?, j# j7 u3 K( C
* f# @0 Q, D! l$ j itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
4 k; A- h9 @' ?0 }- c0 H VariantInit(&pokeVariant[1]); * w) w6 y2 |+ J" M0 P
pokeVariant[1].vt = VT_BSTR;
$ m( g6 K% x- e: y, [2 P; A0 m2 B pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
& a9 A: D+ v" s( V% S- R# [% p VariantInit(&pokeVariant[2]);
. y5 W6 Q" @7 z5 U pokeVariant[2].vt = VT_BSTR;2 g9 R5 z8 f. X$ n& V1 q4 |8 {
pokeVariant[2].bstrVal = topicStr;$ g, n% H8 ^4 a+ _0 @% c3 |
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// Set the DISPPARAMS structure that holds the variant.
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7 z* W- C0 S/ ^ dp.rgvarg = pokeVariant;9 J" h9 q; A( X& J) Y/ `: C. q
dp.cArgs = 3;$ [# d3 C' ~2 w+ ?
dp.rgdispidNamedArgs = NULL;
. j+ u N: x7 w& r- C/ @. H dp.cNamedArgs = 0;% O/ k3 [9 `; [+ m$ u
3 `$ M8 P y/ Z1 m0 M
// Call IDispatch::Invoke()1 v4 Q" W5 S( P e4 t; d7 K w% v
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hr = m_pDisp->Invoke(
/ g: e; ?+ P/ l2 U pokeID,6 t* p+ q. G3 B$ x9 e' ?( p4 C
IID_NULL,
# f; K1 l& v7 n& _4 w3 X* O. g. Z LOCALE_SYSTEM_DEFAULT,+ |, e6 g6 U U
DISPATCH_METHOD,
4 y4 d2 O4 b7 {# b &dp,1 R+ q; ]: o* ~# h% ?7 C6 O, a
NULL,
1 E3 Z9 G8 P! D3 M- O; G% m: c2 @ &ei,
3 O% g9 A9 K% a7 s s6 V) C& e &uiErr);
8 z2 v( s! j! }2 j! ]
2 \+ \2 A; B# q7 u- _# s. R SysFreeString(topicStr);
8 G7 I' T; h' X3 a SysFreeString(itemStr);
- L& v8 E: {8 R# g SysFreeString(valueStr);
6 g3 M9 P {2 s& W% ?# j- `4 n! n. R+ Y) ~; p- M' L
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???
, K5 m, v8 s: }: e9 n1 t& 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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; ?# s# @# J8 f! O. c7 @7 I1 Q! M# Z" q* x" l0 Q
2.这是request的程序
7 J" d5 v2 I* `$ W" x// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's) a/ n& b& f5 h1 n3 ~0 Z
// type flag to indicate the fact that this variant holds a BSTR. Place the
- o$ A |3 E" W: p( n+ Q3 T// BSTR into the variant structure.' W% f. b. T! I+ h8 M/ b; H& `8 l
. u. O- F" ~; z$ ?' f- s4 F, H
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);; b v& E/ F% t) y4 h( e+ T; s7 @/ h
% x' F: _ c9 H7 E
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
A: p9 T# u8 Z; b VariantInit(&requestVariant[0]); 0 W$ h; O2 v3 z7 t4 f
requestVariant[0].vt = VT_BSTR;
: Z. m1 H( z3 J5 ~7 c requestVariant[0].bstrVal = itemStr;6 \. a3 T! I! P( X& G
/ ^, N W S# i( C u- P
topicStr = SysAllocString((WCHAR *) L"system");' w4 h: r' e+ M* C$ k
VariantInit(&requestVariant[1]); 6 u: g4 w5 b, w* a& d2 D( U
requestVariant[1].vt = VT_BSTR; B; O9 ~5 ^6 d) @& r
requestVariant[1].bstrVal = topicStr;
8 i" c: c$ r8 M1 V
0 C9 f+ ?& ~ j& L// Set the DISPPARAMS structure that holds the variant." g3 y, C) _/ G" z7 y- F* Z
: [$ p7 l; `! D8 Z. P dp2.rgvarg = requestVariant;
* r( ~5 B8 S# k ^ dp2.cArgs = 2;& G1 i C4 C, g; D5 b+ A; ~; O$ L# V
dp2.rgdispidNamedArgs = NULL;& ^5 \+ o( ]' d
dp2.cNamedArgs = 0;
A- N3 k) P$ z$ y
+ S3 D6 n$ k9 d6 X% { var.vt = VT_EMPTY;( v& K5 e8 U- w: e/ i
( R, Q( \/ Z+ h: d: i// Call IDispatch::Invoke()
& a# `/ V9 c! J4 ~) f) c" U* g) R& E; k& m- e) {
hr = m_pDisp->Invoke(6 B, s! k5 e$ t$ H5 `1 P
requestID,- \; U0 Y5 ^' T7 e$ W
IID_NULL,
! B( L6 z% v$ N7 J: n8 J LOCALE_SYSTEM_DEFAULT,( J; e' u$ m$ d/ M
DISPATCH_METHOD,: d2 L* u& c; B. V2 n# w
&dp2,
O, ^& v% X1 L8 T0 G, ^ | &var,
% S7 S: K+ |/ E4 g% W) Q$ @) p &ei,
& R/ U/ |5 n( Y: b. H2 H. |0 M &uiErr);
* W& ~2 r& K5 G$ e# P" o: q" G, y: h4 b1 g
SysFreeString(topicStr);8 d! H/ b) i5 [3 q" h9 j
SysFreeString(itemStr);
* t% v+ ^ Y/ v4 d& ]' ]" {% z+ m请问该程序是获得extend里面的哪个值?
8 C% v3 [0 h9 @' |3 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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