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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:
' O+ Z y; \# a7 i0 ]. y& iName = (WCHAR *) L"Poke";3 Q' M# u, U+ [& _0 M# E: @
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hr = m_pDisp->GetIDsOfNames (( n5 [, c x! q0 ~# K. i
IID_NULL, // reserved. A( n2 o4 u P( v6 ?5 }4 B( _* o
&Name, // Array of names to get IDs for: r* s- b3 f% b8 o
1, // # of names in the array
4 D% p! n, \5 E8 x' M) q. T LOCALE_SYSTEM_DEFAULT, // System locale) N6 T/ q2 k* [! A" g
&pokeID); // Array of IDs to fill on output
9 A# L3 [ j+ ~! P! _ z: U/ q
9 B1 L$ Z( q% p if (hr)
9 _2 W) S7 j% m) l3 R, E {
% L, B1 _8 Q4 X; [ MessageBox ("Get Poke Unsuccessful");3 f7 T7 ]0 D3 U. d
return;* a6 K' y( u) z+ P# o- T/ s. }; e
}
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5 \' `$ K( h2 S7 Z2 w/**************************传递数据给extend**************************************/
. A/ y9 G4 B/ X pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);9 Z! J/ ~% S5 _
. o2 k) I( g* } m* E8 r9 F valueStr = SysAllocString((WCHAR *) L"1232");! V9 f' j& k8 {
VariantInit(&pokeVariant[0]); ) S" t# A" c/ w* p: h% R, {6 w
pokeVariant[0].vt = VT_BSTR;
: B3 }' x( h; _- ]2 m pokeVariant[0].bstrVal = valueStr;" k# o% Z% H" X: x) Z
v* b$ Q( l/ `3 |. S8 { itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");( n) ^1 Q! W' {* o" M6 b% Y
VariantInit(&pokeVariant[1]); - C8 f! d" u2 k4 ?. o7 ^5 _
pokeVariant[1].vt = VT_BSTR;/ R/ b3 m: t; G, g" Q, Z4 p
pokeVariant[1].bstrVal = itemStr;7 ?4 h: V# _: ~4 F! Q
) u3 K3 V4 P5 X( Q topicStr = SysAllocString((WCHAR *) L"system");7 ^4 G g/ i9 f; E$ J" V
VariantInit(&pokeVariant[2]);
% h5 [7 \# ^* i% E' Y* y* d pokeVariant[2].vt = VT_BSTR;
% U3 i. y; C+ R7 ~8 }; ? p pokeVariant[2].bstrVal = topicStr;3 |7 m2 W5 q- r3 @+ n# Y) A
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// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;. P5 q3 L5 i$ [3 d" k. L }: @ M
dp.cArgs = 3;
6 K4 m9 X% Q$ G8 v2 Y0 S dp.rgdispidNamedArgs = NULL;, C- L2 M; U. ]! C+ L4 i- m
dp.cNamedArgs = 0;/ m8 i4 n7 ^9 q+ Y- O; W
2 G2 F% a: P0 D6 B5 V8 F2 |% K, j// Call IDispatch::Invoke()
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+ |3 |2 R5 J, X, ?3 k$ t hr = m_pDisp->Invoke(
0 I1 f" y. m' k pokeID,1 d9 P! z! ~. j3 w
IID_NULL,* `2 K- N% M0 R8 v
LOCALE_SYSTEM_DEFAULT,
& l9 d& Y6 X9 W5 x' x DISPATCH_METHOD,
& \1 g( |+ L7 r &dp,
1 n* X: K" b+ H; l, O) s* o$ w t, | NULL,! Y7 R4 H \1 H
&ei,! y/ K! N2 a m! [) [; ?
&uiErr);
. g7 G0 w1 S1 n, L% ?7 V; G5 T( L$ h( H+ @3 t3 Y, k3 [
SysFreeString(topicStr);
5 x* k M6 S- i SysFreeString(itemStr);
7 Q+ k8 @+ a C6 F SysFreeString(valueStr);
; ]' C7 }; q6 {2 v& B- ~2 P. o+ K# r3 Q: ~6 t
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???& }0 I. I6 B4 {, Z
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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2.这是request的程序0 L% M4 n2 ] b2 C8 Q/ H( Q( H
// Request a value from Extend
' X. `# J' k& V# }' R+ r- c) ]5 K+ O//
- v; V% a! ]1 ]& ?5 I+ M8 `5 S M7 C7 k// Initialize the variant that will hold the BSTR. Set the variant's
# X3 S; I# Z4 ?7 u, ^// type flag to indicate the fact that this variant holds a BSTR. Place the
: u9 E9 i6 \$ @) x2 B// BSTR into the variant structure.5 Y8 u1 ~! f/ d% j' O
9 o& J& L0 j' d% V4 b requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);$ s: J. t. U t% E7 e4 \0 s
* V. a& n5 {. H( k( s
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");8 p+ E, Q9 J" D! x% D
VariantInit(&requestVariant[0]);
& j" K g) ~ y B requestVariant[0].vt = VT_BSTR;+ f: w7 a8 a9 b4 C) m3 u
requestVariant[0].bstrVal = itemStr;
3 l; x; w3 ?+ ^5 d" j
) d7 r4 ]# `2 o) L+ ^; e) r, x) g topicStr = SysAllocString((WCHAR *) L"system");- v- h& z9 i+ }8 s6 g J
VariantInit(&requestVariant[1]);
t; E. {8 l5 p' @7 U- D requestVariant[1].vt = VT_BSTR;
4 p, g p+ E- D$ k" O requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
. H4 |( F) K% i- l( z: w+ g1 {
dp2.rgvarg = requestVariant;* Q. Z8 n6 Z5 C* \" w7 g6 U
dp2.cArgs = 2;
( Y2 R' g* N, m7 P- z9 ? dp2.rgdispidNamedArgs = NULL;
* A* ]+ N5 ]% D+ T' d2 J dp2.cNamedArgs = 0;+ P S0 x4 ~7 t
( W! F9 z4 ~7 A% B5 t% M& v var.vt = VT_EMPTY;
% e' O: F6 ^% u1 p' J3 d' t9 c8 P5 m
5 S9 `, L0 c) g( j- ^1 G7 N// Call IDispatch::Invoke()
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K: o# w) p) |: o3 k hr = m_pDisp->Invoke(" B/ M: l3 E' Y, Z% x
requestID,' x, L7 [* a% y0 k! [" b. }. G
IID_NULL,
* ?1 Y. f7 o0 g( G LOCALE_SYSTEM_DEFAULT,
% O3 @( o# d% G! S% ?' |" W, i6 ` DISPATCH_METHOD,9 i, n s! X8 d( s' t
&dp2,' `! z+ K. R- ?
&var,
, H* \# b2 D# x- ? &ei,; t" o6 T- P' ]
&uiErr);5 e N7 _6 @% B* X
! y: u% s1 w( O& y, ? SysFreeString(topicStr);# v; x8 T/ R/ o/ M# U5 c
SysFreeString(itemStr);
$ h1 N" ]1 C! Q7 ^; G请问该程序是获得extend里面的哪个值?$ ]1 |8 Q9 H" M% c. ~$ Z' h H1 V0 v
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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