|
|
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:
+ A3 W# J% m9 j4 b9 [' T3 W/ DName = (WCHAR *) L"Poke";
! c) @& h% @" s; p5 d6 C$ I # W# o1 F0 @% L( |8 J
hr = m_pDisp->GetIDsOfNames (% |7 e' B, E4 ~" [% n+ [, Q
IID_NULL, // reserved" s3 O3 E' z& D, @" w& B
&Name, // Array of names to get IDs for# U: U- \' t: z3 x8 N/ D
1, // # of names in the array
5 _: _; F3 h% R1 R4 W% {& Y" Y LOCALE_SYSTEM_DEFAULT, // System locale
K, O: m, k- M% B M$ d6 Y &pokeID); // Array of IDs to fill on output
& ?2 e0 Q8 A" d! m6 e8 c* M 2 u3 X8 b. [1 M* o: V
if (hr)
- \8 r y. U; }/ X; N {
8 Z _) Y1 H- D MessageBox ("Get Poke Unsuccessful");$ e X7 S$ s& d9 A" D
return;9 Y% {9 F6 R: D) m5 I: O* s
}
' J, e- T3 b; R5 C$ |9 u6 H3 t' E3 T5 e$ Q/ \7 D/ w, h! z
/**************************传递数据给extend**************************************/
) a; z+ I- @7 I- ?- z4 R+ \ } pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);5 b( J* ]6 Z! x) i$ c* T
, c2 n, r9 v4 r) ^7 c" F) X
valueStr = SysAllocString((WCHAR *) L"1232");
1 G4 _1 G+ B, M, c1 V, S1 Q VariantInit(&pokeVariant[0]); " @, G3 g% U: D) M
pokeVariant[0].vt = VT_BSTR;7 X2 h- l6 G t, s9 f
pokeVariant[0].bstrVal = valueStr;5 r6 Z5 I$ q% L: {+ F! b4 o
8 G0 A' W. v% _1 S h
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
& W: C4 e( M6 z; i. M VariantInit(&pokeVariant[1]);
! P. L' ?/ {( r7 j. g2 i% H pokeVariant[1].vt = VT_BSTR;
7 u( M7 \- r* Y) q' U7 W pokeVariant[1].bstrVal = itemStr;
; X( n2 [( C& j% a3 l
5 M! i9 _9 q: T7 T& ^- O* f+ u topicStr = SysAllocString((WCHAR *) L"system");
# S0 T, W$ a0 Y- _, s( N VariantInit(&pokeVariant[2]);
2 F' x7 T$ z: G5 ~& b* `3 d pokeVariant[2].vt = VT_BSTR;' s; N" A/ B& Q, k; h: M; P
pokeVariant[2].bstrVal = topicStr;
' x' `6 n5 z8 Z; S: p* s- n
; d" D' R* M3 z& d// Set the DISPPARAMS structure that holds the variant.
- w3 `0 S9 A: Q! J+ ?" S; z
8 u- O" l5 g* ?; O5 {8 N4 r: x dp.rgvarg = pokeVariant;
0 @- t3 n( a: t9 V9 A- w$ h, T dp.cArgs = 3;6 M$ P/ j6 R/ a" {1 { [3 a
dp.rgdispidNamedArgs = NULL;9 v8 v. i; H& s$ L! K
dp.cNamedArgs = 0;
/ N" w0 u' D" D
' e6 [ N" O2 J2 L" \// Call IDispatch::Invoke()4 O6 h& R4 E; E4 B8 K" q- X
: @8 D: Q9 a3 {6 \
hr = m_pDisp->Invoke(: l1 o1 p" \! ~
pokeID,
& @$ M/ V4 C! g2 Y, Y/ d, O8 T IID_NULL,4 ^# c0 w! K# y! ?1 ^
LOCALE_SYSTEM_DEFAULT,- h0 E2 W. _# h7 {9 Q
DISPATCH_METHOD,
+ [( U- e- a& W6 Q' K. @" G/ q &dp,/ Z+ m5 h2 D3 n( q) M9 x: D" |
NULL,2 b# F: b) _) w2 V
&ei,9 x; a$ Q8 g3 w, D3 _
&uiErr);+ j& j' Z3 i# Q4 M9 i8 Q
) d" p% U$ P5 d' G SysFreeString(topicStr);
% y# S" y4 A: ^4 w1 C, B: P1 N SysFreeString(itemStr);! x; B; Y, m- ]$ E
SysFreeString(valueStr);
' q$ u( B) C6 v* k- T; N% K: R! Q( B' D W
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???$ G6 _9 |" b( Q0 ^. v0 w- l" o/ `
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????
) n3 y- H& t# \, G. o# H1 P) @
% h9 _% D- O! r; A( R
7 _& Z( ] E- |/ T9 G2.这是request的程序
* _( Z- |' k4 i: A% x/ k: M// Request a value from Extend) m! B6 l5 U+ D* V3 u% w2 G- \
//
! [8 f% N( {: l9 p" p& ~1 v// Initialize the variant that will hold the BSTR. Set the variant's
+ V6 b! M! ^' N; L$ }& P// type flag to indicate the fact that this variant holds a BSTR. Place the
7 G+ D/ O) E* _# b' y7 Z" W4 n// BSTR into the variant structure.2 n8 l5 H5 r: D2 R$ ]# ~
; ?7 p5 k5 ^) {* v requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
. T/ U9 R$ Z$ \% l
3 B3 }7 p& o! U" F" w: u7 P3 b itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");. w" }0 Q5 q1 U! W. X& z6 E
VariantInit(&requestVariant[0]);
% E* b- O o5 A/ L/ t8 w requestVariant[0].vt = VT_BSTR;& ^5 i* r. p* Q$ d1 E V5 {
requestVariant[0].bstrVal = itemStr;
; I+ w' V. I* d, M$ @) T u
% |# D$ T8 M8 x. E; ?. M topicStr = SysAllocString((WCHAR *) L"system");
' x; @- f( F% O9 B) N' g VariantInit(&requestVariant[1]); 5 w3 ]* h3 k0 O3 Y
requestVariant[1].vt = VT_BSTR;* u6 Q1 R4 m% W6 E# i& w R
requestVariant[1].bstrVal = topicStr;
( M6 z: e( \" a) D# v0 v* j: W2 h' I/ ?2 Y9 h2 d7 K% T' ~. G
// Set the DISPPARAMS structure that holds the variant.
$ c( ?) r& @% P% G: H% F
* Q: ], s" {9 ]/ Q0 I2 ? dp2.rgvarg = requestVariant;" b [0 k; z& i: a
dp2.cArgs = 2;2 ~: d6 O1 f" n }2 j6 P
dp2.rgdispidNamedArgs = NULL;& n1 D7 K1 e4 g: E! h+ ]
dp2.cNamedArgs = 0;+ o1 D: J; `* V1 u1 j
4 s+ D y6 t: j9 d+ \ var.vt = VT_EMPTY;6 _. ~+ t- J ?5 M& }0 o d$ x
/ X2 n. x3 c& G8 g
// Call IDispatch::Invoke()
" T/ x5 u/ G) R8 b& N+ W0 F* q& a) t8 ]3 l g. y9 n3 t
hr = m_pDisp->Invoke(+ h4 Q! w6 h9 s9 I% s; @# s7 L
requestID,8 Y( i# e G5 ^" M
IID_NULL,* D% ]( S, c" R! \; b5 y! F
LOCALE_SYSTEM_DEFAULT,
4 S. d, L9 y5 y$ e4 O& t8 U DISPATCH_METHOD,! C; z2 w0 s$ s2 Z% Y
&dp2,
4 p$ a3 s& H2 g &var,) G3 |0 K$ w' M$ P$ |9 v2 m1 ?
&ei,
5 P0 B) B" \# R &uiErr);$ w& U0 o. H n! p
K s) A c. t
SysFreeString(topicStr);
- M5 ~: I, v0 q2 D6 E SysFreeString(itemStr);/ t2 v) A$ p @5 {% Y
请问该程序是获得extend里面的哪个值?
0 X' t! E9 Y. c6 W# J7 P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???? |
|