|
|
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:# e" k; ^5 B. D1 s6 N, U. K/ @' [3 \
Name = (WCHAR *) L"Poke";
2 x5 z5 ], j# n1 s- U # C+ e9 c0 g7 B& s' e/ |, Z
hr = m_pDisp->GetIDsOfNames (
- i ]9 o. {6 ~9 { IID_NULL, // reserved, R% J! m) }5 k- p/ L! T
&Name, // Array of names to get IDs for
! W* T M+ i: F9 { D, U# X 1, // # of names in the array9 M# T$ u7 C( l3 B- Q
LOCALE_SYSTEM_DEFAULT, // System locale
8 k& F! e) k6 q" h/ F; I: X9 G) d &pokeID); // Array of IDs to fill on output
A8 K) s8 W0 ~3 R 7 ?4 Q U* A$ x- q
if (hr)
) K0 j. g2 o8 v6 r8 F* | {
* R3 y% W! k% R1 p# ?, X8 w MessageBox ("Get Poke Unsuccessful"); I6 v N; l! O; g0 \
return;
}1 M, u9 Y( ?" x% i! G }$ u4 F/ G& T$ j# ?: D6 g
; q% X! p. [: c3 k/**************************传递数据给extend**************************************/
( q6 B2 `) \2 ?# E ~ pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
: X* S; \1 u4 u( S
& f; Y5 k, D3 b valueStr = SysAllocString((WCHAR *) L"1232");
$ d, b( v" i. \5 q VariantInit(&pokeVariant[0]); # n9 [2 ~* B* W9 P
pokeVariant[0].vt = VT_BSTR;
) ]# C) f) x$ y" ^& ^( E pokeVariant[0].bstrVal = valueStr;
# g5 Q; ]; D3 R$ O9 c* u% X
+ c' ^. t0 |6 |# T itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");* B! C' u9 [4 j. _" T$ x8 Y2 W
VariantInit(&pokeVariant[1]); ! R( @; n3 W# ^3 T+ ^; ^& u
pokeVariant[1].vt = VT_BSTR;
+ [' `4 |2 S" V# T6 g# Q" E pokeVariant[1].bstrVal = itemStr;" m. _9 w3 k$ ]$ H) u5 P
* l8 ?6 Y% _: I: x9 q topicStr = SysAllocString((WCHAR *) L"system");1 \- _7 q/ V) G. t5 Y
VariantInit(&pokeVariant[2]); ' X; y# _3 ~8 p5 u! O- F
pokeVariant[2].vt = VT_BSTR;1 F8 ]7 F; s+ n/ p. e+ g& e1 n; I
pokeVariant[2].bstrVal = topicStr;
6 q! v" b4 E5 n) z7 Y4 i3 M* y( p# L8 q1 c4 V
// Set the DISPPARAMS structure that holds the variant.
( U d( c$ g+ a- m
! i' P$ C: p$ t1 D9 p- a dp.rgvarg = pokeVariant;! c/ x' w4 ` X; G" x! |
dp.cArgs = 3;% V- p7 V4 C) o+ y
dp.rgdispidNamedArgs = NULL;) i' _6 Z8 u$ ?8 H& @
dp.cNamedArgs = 0;" B- w3 j6 P% U' X
9 l q0 R# m3 C& q; }1 i1 W1 b" k, |) r
// Call IDispatch::Invoke()
* b5 y- X* q$ i, y5 i3 Z7 l1 |+ o* G3 S, X: P
hr = m_pDisp->Invoke(
0 Y& V1 p' V& \& ~2 Q9 d pokeID,, B) A4 V& O8 D- u3 K
IID_NULL,- p( U& d, J+ v- ]2 b6 x. ]
LOCALE_SYSTEM_DEFAULT,
8 I/ Q5 l+ N I9 y( X: C, \9 I$ H2 O DISPATCH_METHOD,' e5 E j& k; m9 e6 g+ k
&dp,
8 U n4 C6 V+ r NULL,
4 j- F" h$ E* V# R2 t Q$ S2 e6 L &ei,1 }5 `/ w1 y: N& {6 C3 O
&uiErr);
D6 y0 w( M0 x. t/ v2 [
5 ^0 o/ z" } W; e! }- W SysFreeString(topicStr);; Y5 H7 |' {& J8 U4 r" v ~
SysFreeString(itemStr);8 g0 S/ {0 O2 L9 o
SysFreeString(valueStr);
% C1 ~1 r5 C8 @( A( N% ^" C5 C2 W2 T6 }
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???
' I$ m+ E- J) j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????" o) B! s4 g3 F
$ [; {, B# I( t( ^( z! ?
! U3 @1 \7 z/ S" c, E: S1 r1 l1 d
2.这是request的程序 k: t. f. @; u2 O3 V l+ p
// Request a value from Extend3 T) }7 H- L( S# r
//
+ M) Q3 i2 m' Y7 u, h/ G// Initialize the variant that will hold the BSTR. Set the variant's& X _* X2 S/ O. R: p+ q
// type flag to indicate the fact that this variant holds a BSTR. Place the
* X- g) N4 A5 r1 p// BSTR into the variant structure.
, }! Z: w) a# g% S c7 A
. a* A3 W O( G& L requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);6 }% X9 U# Y) ]" V8 U
- B! V; s+ \& T$ l
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
: `( Y# @& p4 e6 `) T6 a! ^ VariantInit(&requestVariant[0]);
. m- u; `' ?/ P requestVariant[0].vt = VT_BSTR;
) l5 g. e: W; n8 l4 i9 S requestVariant[0].bstrVal = itemStr;0 \4 q) i" [- a2 O
% w( `; } B- f2 e% F2 K3 \, G7 |, F topicStr = SysAllocString((WCHAR *) L"system");9 W# `+ \3 |* X) Z5 t
VariantInit(&requestVariant[1]); % J& d! r. U2 ~9 u( X
requestVariant[1].vt = VT_BSTR;/ V" H: B3 g' B
requestVariant[1].bstrVal = topicStr;$ }5 P/ Z! {3 Z, h- G
/ O, f5 N$ @" F/ Y9 g// Set the DISPPARAMS structure that holds the variant.+ l6 i/ q: f0 x" ~* @
- ?7 E6 o5 \8 B1 M. R6 u: @ dp2.rgvarg = requestVariant;
; G; @: h5 S0 G: c$ Q) J dp2.cArgs = 2;6 C/ S+ K- p" @: o7 ?) |' V
dp2.rgdispidNamedArgs = NULL;
( L( j* E+ e$ h" k$ z dp2.cNamedArgs = 0;' j( g; W2 [0 a8 q
3 ?% c& `$ v3 O
var.vt = VT_EMPTY;& k, N, {! @ o }
9 O' [. G, a- f// Call IDispatch::Invoke()2 \& X5 O6 C3 K
' B: s: o( e, Q% r) ?2 Z! q( T
hr = m_pDisp->Invoke(
- D3 H# {* S9 U+ s requestID,5 ?7 G6 ^' `7 S. u& w1 f
IID_NULL,; u) [* ?+ U$ ]" ~+ t# C4 f8 O0 Q
LOCALE_SYSTEM_DEFAULT,
: L/ j" e9 ~, U8 Y) W& r DISPATCH_METHOD,# R0 S* w1 O0 Y- [ M5 h, [, U
&dp2,
+ [$ t9 b$ ^+ j8 K. r3 p# O &var,
+ d7 Q5 C, q; P# e$ M$ |( x &ei,
d S' F, ^. M" v- v4 \) X' U* A &uiErr);
1 G8 a) p4 e! o3 o( } [
6 S5 `! j4 f5 Y. S1 B; \8 q8 f0 u SysFreeString(topicStr);3 a+ _* A* i( S/ k$ c% U
SysFreeString(itemStr);
, E+ J. Y: A* m* c请问该程序是获得extend里面的哪个值?
! Q8 R+ C! z. i) N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???? |
|