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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:
! y) o+ K) o! ZName = (WCHAR *) L"Poke";
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* N5 Z! \% `, h1 [- A hr = m_pDisp->GetIDsOfNames (' @( d3 p- F t7 o, t. @ ^
IID_NULL, // reserved% S: F6 ~9 v: P) d- P, ?$ @ Z
&Name, // Array of names to get IDs for% {" k+ a% m; k5 ?
1, // # of names in the array
; q' W; E) q9 g6 K e LOCALE_SYSTEM_DEFAULT, // System locale- A0 V6 ~+ \% T% v
&pokeID); // Array of IDs to fill on output
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$ z- C4 E& h X1 G. V, w/ \4 H if (hr)
3 ~# U4 d' v, A9 e/ P {
. c% f+ h/ V% j7 Q6 E/ h. Y1 ~ MessageBox ("Get Poke Unsuccessful");
) ]* E0 X( b9 j [8 t return;& C4 S% {" ^6 {
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/**************************传递数据给extend**************************************/
: l) t; f h7 B* e pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
% _4 I, u j# W |; U 8 u( V( \1 i1 i/ e( q7 V& |. [
valueStr = SysAllocString((WCHAR *) L"1232");
! t" E: E6 Y2 }& S$ T/ w4 f; C VariantInit(&pokeVariant[0]); & N/ b! f! P$ u
pokeVariant[0].vt = VT_BSTR;; i3 V6 F( ^" J4 i4 P4 {
pokeVariant[0].bstrVal = valueStr;" ]" a( _9 Z" |* z
. Y; }, A7 R4 }7 S- V
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
. M1 ^- c# |3 x VariantInit(&pokeVariant[1]);
q* |% D" J9 D4 N6 t pokeVariant[1].vt = VT_BSTR;
" m! t! Z1 i' P% N% Y4 ]+ m pokeVariant[1].bstrVal = itemStr;
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8 m2 r! i0 t* F( L. {: A topicStr = SysAllocString((WCHAR *) L"system");
9 W- g* w/ g/ h$ i8 P9 X2 ? VariantInit(&pokeVariant[2]);
1 X3 B6 D: ~' c4 C- ] ]7 L pokeVariant[2].vt = VT_BSTR;# e- F% J! q1 g8 l. l
pokeVariant[2].bstrVal = topicStr;7 }0 {& k7 Y# |" y( i j) x
+ S$ ?( |" B' G) Z1 y
// Set the DISPPARAMS structure that holds the variant." ^: e5 V+ `0 Q' o& c' W
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dp.rgvarg = pokeVariant;# E! s3 A/ l% j) {( t. r
dp.cArgs = 3; z. A' j2 A: H% A( Y. W! r' F/ U
dp.rgdispidNamedArgs = NULL;0 @0 b7 |% n4 k% v
dp.cNamedArgs = 0;
4 e, s# x w Y5 K8 s5 y# ^# g% y9 b+ u4 \0 \3 {
// Call IDispatch::Invoke()7 s: d2 l" h; T: x' u' ^$ g+ h
0 n7 Y$ M" \0 l" L hr = m_pDisp->Invoke(
' K* t4 E4 S/ r2 O: n+ |, ? pokeID,
1 a6 j. q' T3 L- ]9 N IID_NULL,% _8 }( @% K( z3 I% ~
LOCALE_SYSTEM_DEFAULT,8 |) v5 h0 r! R+ A6 F: e
DISPATCH_METHOD,0 g- }9 `+ a. C7 x
&dp,5 @% r" U2 h2 S" ]
NULL,
9 { W# y- ^2 B3 a3 H( f &ei," r7 x: ^/ {0 _2 a( p
&uiErr);1 }6 d+ s1 G. [8 d0 _" p& L- }; x5 C
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SysFreeString(topicStr);8 n+ Y2 e4 @7 n! r- |
SysFreeString(itemStr);
* P/ ~9 h3 @4 w3 e/ k SysFreeString(valueStr);+ j1 Q# L2 d& v% j* A/ p! b) n
: v2 k+ W( r/ t8 K7 Y
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???
+ F7 o7 Y F. c- Z1 e) R9 O5 Q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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1 V: q4 D r- H, M; N
2.这是request的程序
( E& ^5 r. W0 R// Request a value from Extend4 P. b3 T E8 {0 E& _, A
//" o7 J }. N- U2 C
// Initialize the variant that will hold the BSTR. Set the variant's
/ U" j7 x6 i: D5 v/ z# W3 L4 ^// type flag to indicate the fact that this variant holds a BSTR. Place the
0 K5 X. Y6 b2 w, t9 s4 G0 c// BSTR into the variant structure. h8 \+ ?; W1 Y% |) Z1 n5 W
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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, L% h% c+ }# x6 t; v, ]8 E' C itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
$ C( Q T5 u6 z' _6 O+ o k$ i: b VariantInit(&requestVariant[0]);
5 z+ H4 U2 ?) x. T4 K3 ]# a requestVariant[0].vt = VT_BSTR;( J+ W6 J w8 M& j- n0 _# E
requestVariant[0].bstrVal = itemStr;
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" Q/ ?+ f% T& [3 r) G# V3 t+ \ topicStr = SysAllocString((WCHAR *) L"system");
. j# H4 C6 k- e5 p* w VariantInit(&requestVariant[1]);
8 z% O6 m7 P4 G% |# @; D, y1 H7 z requestVariant[1].vt = VT_BSTR;% c, \! g# r/ X
requestVariant[1].bstrVal = topicStr;9 b2 x/ {# g) n5 q
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// Set the DISPPARAMS structure that holds the variant.9 S6 c0 L0 D3 |/ c) a/ I% s5 U
- z/ Z& B) `# ?( l$ _* B# i0 `/ ~ dp2.rgvarg = requestVariant;+ T( f, x( a" t9 W# B6 [
dp2.cArgs = 2;! {/ p. S! B/ D7 {& ^( e
dp2.rgdispidNamedArgs = NULL;/ h% M. ] B) K
dp2.cNamedArgs = 0;3 Z1 h6 s4 }% A/ A' v: u6 J K \1 g+ h
3 g# O; j6 Z1 c3 Q8 \' x var.vt = VT_EMPTY;& L9 X8 f+ O* d4 [
' i: ~% ^9 |5 ]/ [: M$ e: Z// Call IDispatch::Invoke()
; S. Y# W3 f$ U% a2 L& C9 J2 P- Q' \7 J( f- ]
hr = m_pDisp->Invoke(
; A9 {$ [' G" ~, _, b0 O. [! j3 E$ K: D7 A requestID,
+ t7 z* W7 B5 g! j6 x4 m IID_NULL,
: u+ A; N& r7 N/ I1 X4 K LOCALE_SYSTEM_DEFAULT,. Q! E/ f- N( S' P; |
DISPATCH_METHOD,
# ^2 f0 w7 o6 i &dp2,' w6 [" n V x: Z
&var,
; z' r. I0 a# L* _ &ei,
4 S, \. }8 S4 B4 N0 q" Q: ~) \ &uiErr);
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SysFreeString(topicStr);
) X+ w& t# S" @& u1 s C SysFreeString(itemStr);: V* Z$ ^; N" b
请问该程序是获得extend里面的哪个值?
5 w" k3 c, R, ~9 b* E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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