|
|
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:
# ?4 C! u0 W) LName = (WCHAR *) L"Poke";, i r/ P) b: |# M/ s
7 l+ E7 t1 n8 t) r" f
hr = m_pDisp->GetIDsOfNames (, L5 \2 k3 b, H* g4 X
IID_NULL, // reserved
|$ s! C2 x9 G* @, Y7 r &Name, // Array of names to get IDs for
! y5 V) o* X! }2 J) J 1, // # of names in the array
# ?' L, {5 ~+ ~9 m LOCALE_SYSTEM_DEFAULT, // System locale
e W5 c& v3 |1 ^5 p8 W, I &pokeID); // Array of IDs to fill on output. o% v1 d7 H9 `! I, B& ] S* A
- k8 Q% J. D9 n5 I
if (hr)
/ e8 C9 L7 Q% U& ]7 M0 |6 v2 f: K {
8 y, v& P: f7 o MessageBox ("Get Poke Unsuccessful");
, v" q9 T+ {9 V0 i: [! m# f return;( I+ U6 a3 T; M: W2 E
}
$ ~3 d! w$ D% D* H8 }6 M" m' n
8 }" y/ B2 ~4 k7 Z/**************************传递数据给extend**************************************/
- T, s0 H8 F6 P( Y pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);' a) O8 w. v! }% w4 B% M
! e* E2 l6 ]( B* s, p
valueStr = SysAllocString((WCHAR *) L"1232");
0 E% c$ T: G* M2 H VariantInit(&pokeVariant[0]); 3 k( y$ p% k; ?3 ~! c1 d9 V
pokeVariant[0].vt = VT_BSTR;8 M- P. {. Q$ m8 R
pokeVariant[0].bstrVal = valueStr;
% S0 }" A8 P' C: Y, s
8 G2 {1 N. t# Q0 L4 e( n, O0 w itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");1 @8 s5 O+ `) v( O3 U6 i
VariantInit(&pokeVariant[1]); , \0 }6 ~. P$ l( [! `% j% V
pokeVariant[1].vt = VT_BSTR;' O, _8 B7 \, h! u4 Q) [
pokeVariant[1].bstrVal = itemStr;5 r- W! o) e) l% |# z3 l/ X
- i2 \3 W( ~/ `. O. W4 j topicStr = SysAllocString((WCHAR *) L"system");
. {4 C8 v2 t) o- O. P% J( B* e+ u# X VariantInit(&pokeVariant[2]);
3 ~% x% A# T' V2 D6 z6 F* `* k4 o pokeVariant[2].vt = VT_BSTR;. A" E0 |- Q4 n, g) U
pokeVariant[2].bstrVal = topicStr;+ p8 N" }" [9 L4 j3 ~) P( I
- _$ X. p1 \' t$ B- ~2 x) J% U// Set the DISPPARAMS structure that holds the variant., O( ~3 o t/ `# W
. p; x. [5 D5 [* c& ], A9 A8 J- C
dp.rgvarg = pokeVariant;
: `$ q z2 s, ]" i1 V/ E$ F+ ? dp.cArgs = 3;
) R' W. V3 d. j& B dp.rgdispidNamedArgs = NULL;
3 v% A- U: Y5 }, k! T3 k" | dp.cNamedArgs = 0;1 V2 M! I1 c9 ~4 C; ~
0 w) A' a k' x" I* W// Call IDispatch::Invoke()* ]; e; W# f: O# R3 E
& `6 _, ]0 f6 l6 e9 w$ v7 V
hr = m_pDisp->Invoke(6 Y- N* M" Y! v1 U0 u' q& V: |4 ]
pokeID,
7 z# {, ^* E' Q% E- i IID_NULL,
9 U0 i% j1 m/ [8 s' J LOCALE_SYSTEM_DEFAULT,
8 o, b3 `) k( L. i8 s DISPATCH_METHOD,& {5 ~5 a2 C( ?
&dp,
# y4 @2 J' ]9 o- p' e NULL,
9 J6 g' V- ]( ^- `7 h0 J! R7 X &ei,
+ p" Y( h. @$ L- K7 W: T* U &uiErr);" W& g9 `! v6 N8 w4 d; e
* t* T4 x* f! I" Y SysFreeString(topicStr);( `& x0 p6 o5 v" `- W E
SysFreeString(itemStr);
' x5 ~+ w; K: H4 v* D SysFreeString(valueStr);
) Q6 V* ]$ K$ ^
|+ w, p# s# R3 @, M( G/ {$ g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/ ]* C& J7 r8 l6 r
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????1 T% ^: E/ t' P# e4 ]! z! s) B
; ^9 |0 L A5 Y( w6 ?
# N" N: U- k& M7 |2 e2.这是request的程序
. h* {% H" ?9 m% d* u9 N// Request a value from Extend
$ N6 R$ h& O/ R' U//
6 ~! W, O7 C4 O4 M9 t// Initialize the variant that will hold the BSTR. Set the variant's
& a# \$ z; C$ h! [0 |, q// type flag to indicate the fact that this variant holds a BSTR. Place the8 A' ~, G z8 e8 h
// BSTR into the variant structure.
( M4 \; L& u0 ^+ H* m
3 |6 z' D/ e1 | requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
1 c3 J* e" Q: |% A, x$ w 5 J* E" r3 J& `5 _: g1 }! t$ V
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
" R: S5 k- ^# J VariantInit(&requestVariant[0]);
# E+ m0 Q0 ]1 f requestVariant[0].vt = VT_BSTR;
6 v, V# f& \$ U$ K+ ` requestVariant[0].bstrVal = itemStr;
) w$ |/ F* ?8 u6 a5 Q8 ^: n. `1 f3 ?6 C
topicStr = SysAllocString((WCHAR *) L"system");
7 k. J( S5 J; M" o* e0 R5 ~ VariantInit(&requestVariant[1]); * i" X G0 H$ m; T
requestVariant[1].vt = VT_BSTR;
& e: d+ C- G1 j/ Q# s: p; l requestVariant[1].bstrVal = topicStr;
( q) c e) F8 [: m* B
1 m' n! B7 l$ I; C* w* z% F: V// Set the DISPPARAMS structure that holds the variant.
; i1 D; V$ \. n* M, c; u6 e
# t7 j9 K! s% g$ V: J9 Z dp2.rgvarg = requestVariant;3 T! T$ N. G- b% O0 p. |
dp2.cArgs = 2;
0 s/ V4 h4 g. h* k4 m dp2.rgdispidNamedArgs = NULL;
7 i5 b( c$ q- I$ |' Y' R t dp2.cNamedArgs = 0;
: {7 R0 a/ S# n9 J6 p$ ^: e. R) O: S9 I D
var.vt = VT_EMPTY;( Q# \- d& ^0 }8 p- G: P6 @
) k J3 X, {0 \9 ?% J5 d
// Call IDispatch::Invoke()' X* s$ X; F& @- P. R8 M
+ V, t. {( z; b' ]; f
hr = m_pDisp->Invoke(" ^; \. L6 M1 f* H( h. j5 u
requestID,. x6 L, T( m% D- E) x4 c' D
IID_NULL,
% m- K, z! e2 s2 K+ @' x/ ` LOCALE_SYSTEM_DEFAULT,2 d, n+ A- q& S4 i" G+ G
DISPATCH_METHOD,
5 y' s0 [% [2 r: a: j# d, A &dp2,9 ~: n% u/ B( m, K! P1 I, h R
&var,& }% k- t1 p6 K- [
&ei,
- _) e! H# \' y4 t( Y &uiErr);8 B8 W, ~6 [* F
% q1 f" q$ \: N9 T: U5 l+ G' m/ ]
SysFreeString(topicStr);8 q$ _7 w ]' W9 _9 I
SysFreeString(itemStr);( w; z Q* b4 O" X) D* k* ^
请问该程序是获得extend里面的哪个值?
# z* A0 F$ `( O* ^4 z% A$ 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???? |
|