|
|
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:" @) \: f1 v1 x6 A7 F1 ?
Name = (WCHAR *) L"Poke";: `$ q/ H. m0 L# [2 V" C
1 N) Y3 {9 s4 h" t9 E
hr = m_pDisp->GetIDsOfNames (& o8 `5 M. ?% R7 c$ Y- V/ }
IID_NULL, // reserved1 h- x: y8 k9 Y/ M4 A4 A
&Name, // Array of names to get IDs for
& h& F' \% d) }, W 1, // # of names in the array
- x; E( g) `! V. ~ LOCALE_SYSTEM_DEFAULT, // System locale
0 g" S) E* l- z/ g: ]( P; e3 q &pokeID); // Array of IDs to fill on output
4 y @0 v/ ]: ^+ p7 S9 } V4 N' P# L
- B5 a$ w1 S: X" y( G- C/ C2 \! n if (hr)) J( e1 Y6 |5 E0 g+ ~7 F' A, Q
{1 e7 m; V! q1 e8 N4 p/ E% k0 O
MessageBox ("Get Poke Unsuccessful");
: u# q7 G! S. S1 _7 W$ X9 N return;; J, @( U% X; P% U% r/ z& Z
}
, X! t- _ O3 h' S0 @
3 t& p% G# S& Q) N; J$ j$ ]/**************************传递数据给extend**************************************/ J" @' T# Q! D" u g5 N8 {
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
8 t* s& g! p, e5 | o+ H8 l* c 9 W; t+ o4 O! y: K, A
valueStr = SysAllocString((WCHAR *) L"1232");
8 O0 z4 C5 Z. d VariantInit(&pokeVariant[0]); % W! Z2 d3 Z& O9 }
pokeVariant[0].vt = VT_BSTR;: C/ U6 B8 w* N" I6 z# W
pokeVariant[0].bstrVal = valueStr;
, I) {1 x* b$ |" V9 e( _$ M; P) G& ~6 b& U/ b
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
4 t1 L# ]5 B) n6 G VariantInit(&pokeVariant[1]);
: x% e$ H4 _: \8 P# r+ _& e pokeVariant[1].vt = VT_BSTR;* X2 ?; t3 j7 \5 D
pokeVariant[1].bstrVal = itemStr;' ]2 b" d! U2 l9 O6 \, d
( r5 S, W) O& u+ b" y topicStr = SysAllocString((WCHAR *) L"system");6 X5 u8 G" N Z. T8 O8 [
VariantInit(&pokeVariant[2]); " M0 ^9 A1 Y E8 J4 `
pokeVariant[2].vt = VT_BSTR;
: N5 p. p0 {3 u/ H* A* I, J8 e/ ?5 W pokeVariant[2].bstrVal = topicStr;
/ ?9 C4 u3 D8 f4 r( m4 t! V
. X" ]& F) r. D" ]$ }5 s K// Set the DISPPARAMS structure that holds the variant.
4 [' V; Q t6 w1 H
& k6 S7 N. E. [! t1 y' @1 v2 s, c dp.rgvarg = pokeVariant;( V. q* t! ]/ X4 d( \
dp.cArgs = 3;
3 m! b5 h2 B5 E9 I dp.rgdispidNamedArgs = NULL;" }! v/ W* w0 u8 o! j& y% @
dp.cNamedArgs = 0;
9 m% k4 p5 o+ H9 g2 M8 `
5 t3 ?. }1 i- _. q- i// Call IDispatch::Invoke()
0 f& v0 d; a# F0 U% j. K/ ]
5 j; Q/ ]5 ~5 I hr = m_pDisp->Invoke(
0 X& n4 P. R2 {) H pokeID,5 `9 S7 V6 b" ~# }1 V( F! C8 D5 x$ }
IID_NULL, \* d: J& w6 c8 d
LOCALE_SYSTEM_DEFAULT," f7 F0 ?. G( c- k9 S M" {, l
DISPATCH_METHOD,
/ G; s2 x! T& W; a( z &dp,
- Y+ b& t y5 |$ c2 R! U NULL,& q6 _" ?, l( H* i- g
&ei,: |% {& ?0 w( g" w' B- ~
&uiErr);
$ P N1 d f2 B3 i _+ L* f8 d" m, y, @
SysFreeString(topicStr);7 v6 ~. r. p; I$ D/ U9 ~
SysFreeString(itemStr);
( f- A* d, l- P1 k+ E, ^$ `3 l SysFreeString(valueStr);
5 k* \' q0 b/ ~0 G' c% w" s4 ]- f- j8 v# _9 z% w1 V2 u3 \" 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???# j& g5 \# P! H. G' D) F* [" v0 E( w
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????
* n! ?" T+ c A2 i1 ?) ~" j3 g, g* J% l) c4 |5 [! D
- O/ X4 t8 g* d4 E5 Y2.这是request的程序
) }" p3 U' [: w# M" V// Request a value from Extend
% @6 A4 ^5 n: N ]$ R% e2 g//+ v2 I6 T# R% w9 b
// Initialize the variant that will hold the BSTR. Set the variant's. s; {5 U/ ~' ~
// type flag to indicate the fact that this variant holds a BSTR. Place the6 `) w% o/ R1 ?: z, U+ R+ F6 \
// BSTR into the variant structure.
; `' Q0 t# U1 ]' O
7 b1 l: K) ~3 a8 W% J requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
1 @ T0 r# \7 q2 C1 H( z ( h0 U. y3 E3 F0 D7 m8 q1 k
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
2 G. x, j+ [: g4 {* F VariantInit(&requestVariant[0]); % p ?; W& U& X2 i# o" }% k% s8 K
requestVariant[0].vt = VT_BSTR;8 @9 f$ z/ ]- I, B
requestVariant[0].bstrVal = itemStr;
% M; z# H' L6 s" O5 q4 @
- [( [: F {7 b topicStr = SysAllocString((WCHAR *) L"system");
+ @4 H. O8 N% U3 r VariantInit(&requestVariant[1]); 9 v$ e8 V% r6 W0 ?: B" R
requestVariant[1].vt = VT_BSTR;
! X; o% m$ F7 v3 }* ^ requestVariant[1].bstrVal = topicStr;0 E T& }% B1 l& [" @8 l
7 P+ H# Z* q/ P, ~- W L
// Set the DISPPARAMS structure that holds the variant.
! @9 J2 F# i* V1 j
- E: t( d3 m9 K, z( M" k" b dp2.rgvarg = requestVariant;
2 X) R+ k8 k) | dp2.cArgs = 2;
$ ^6 p: C7 Z3 [2 l# B dp2.rgdispidNamedArgs = NULL;5 v4 b: z! x# r5 r o6 M
dp2.cNamedArgs = 0;
" Y' z% j( x& g3 ~) e
U( G) t; P* P$ n) w9 E' ~1 l9 i var.vt = VT_EMPTY;" S! {3 k) t3 U2 Y' e5 H
1 M, R9 t5 [* t0 l% r// Call IDispatch::Invoke()+ G* B0 L" q8 f m
# i |. b. C! X& R6 n: r% P hr = m_pDisp->Invoke(, x% r0 Y0 w9 j* c4 r5 o4 B
requestID,
W. P4 a! T$ L& F IID_NULL,
" s( ]( D) [. P5 B+ G/ L2 H" | LOCALE_SYSTEM_DEFAULT,
& x9 {- A5 l7 ?- x8 ]# ] DISPATCH_METHOD,
; ~& L! D2 P0 W &dp2,7 t9 t2 g9 D3 b* w
&var,: }5 k* D5 x/ z; G
&ei,
% [1 u7 g e' \1 g5 Z/ q Z &uiErr);
. P! b' x2 S. O0 Z5 l/ C" R9 R3 H; U+ u) A; _, }
SysFreeString(topicStr);6 N# D D- X* B- C
SysFreeString(itemStr);
" f8 y% Y" y' T请问该程序是获得extend里面的哪个值?; r& ~- B9 J& Y% H. c o
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???? |
|