|
|
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:# S6 v' o+ w4 ~' i4 R7 [
Name = (WCHAR *) L"Poke";- A. z6 {. k! L8 U
. i. g- R3 R, U: X$ H& [) N( t hr = m_pDisp->GetIDsOfNames (6 ]+ ]( Y" {% c/ Q8 a2 i: c
IID_NULL, // reserved
# r0 J# I3 l% Y4 U &Name, // Array of names to get IDs for8 }! `" |0 }8 B* U! u( @
1, // # of names in the array
P7 g* ~5 t9 d LOCALE_SYSTEM_DEFAULT, // System locale8 @0 [! j0 S7 v8 Q% [; s
&pokeID); // Array of IDs to fill on output7 X' K9 A5 _8 e1 S" _' c1 D
, X8 X, }( y6 N0 s7 Q if (hr)
. z: r" d9 L9 E {4 R. C9 _* u+ W3 {* t4 n! I
MessageBox ("Get Poke Unsuccessful");
4 y7 c" R% u% r4 B return;, i" x+ W& z J' O: M1 B$ e8 O) B+ q
}' I6 _9 B) `* x) |
9 X) l6 m% g7 A) T" {1 C& d
/**************************传递数据给extend**************************************/$ A7 b" I) Q9 }0 c8 ]3 @4 o0 U7 `
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
8 z, p4 E! d6 R+ ?7 z) o" p. M, k
9 K% J' i `0 @8 @& S- d valueStr = SysAllocString((WCHAR *) L"1232");; @) _! T* m6 W$ Z7 a. v' A
VariantInit(&pokeVariant[0]); / l/ G3 p8 o: ]8 {4 g
pokeVariant[0].vt = VT_BSTR;2 q# E, U4 g6 s( \! E" P9 w5 Y
pokeVariant[0].bstrVal = valueStr;& i3 R0 S) X2 W7 Z- v* e
- P) O- X$ T1 \. f itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
" Q6 [6 @6 X. N& Q8 B1 M) U VariantInit(&pokeVariant[1]);
5 B8 C; C5 r; j5 P7 \, V$ Q0 F: x pokeVariant[1].vt = VT_BSTR;
8 r8 d" x* a6 s: {0 e7 y9 F7 e pokeVariant[1].bstrVal = itemStr; J E( L6 d0 L& X% J, E
% X% S5 C% h9 k3 I8 E d
topicStr = SysAllocString((WCHAR *) L"system");
/ @6 D% t% v# i6 t2 P. G$ {$ `' ~ VariantInit(&pokeVariant[2]);
' W; ~6 b6 n4 r% c% [5 P1 } pokeVariant[2].vt = VT_BSTR;* S+ E4 c" |. ^3 E; }
pokeVariant[2].bstrVal = topicStr;
; m( N" b" t C
9 E2 X' W- f7 l5 ~: [// Set the DISPPARAMS structure that holds the variant.
5 ^( c' r( B, J3 ^
. H$ [8 C4 m; H dp.rgvarg = pokeVariant;
1 R t+ a6 q8 v' k dp.cArgs = 3;3 Z2 n* m# H7 z+ E- G
dp.rgdispidNamedArgs = NULL;8 M3 y7 q# i2 C* U9 x7 I; U" m
dp.cNamedArgs = 0;
8 l( _( s1 {" R" L: x o3 F* q6 K6 y; @$ `
// Call IDispatch::Invoke()
" F2 p8 P% ^9 [( o9 ^: |2 r, p: C; d8 V1 w; d5 c9 x/ B# n
hr = m_pDisp->Invoke(
5 ~, t) q* [; v' {7 Z* a pokeID,
) S w, u& y5 W8 O IID_NULL,' n( U8 r, ^% k8 ?0 |% I
LOCALE_SYSTEM_DEFAULT,
' \& a9 F) }* S0 d* {/ n DISPATCH_METHOD,! f. p+ W. }" z
&dp," m( _7 p3 t# h0 o& Z: c- `/ s# f; z
NULL,5 C# a( \3 M3 k, }" J
&ei,
* o6 p5 {- M( ~9 t" n) G- r5 U &uiErr);4 M' L5 ?; g6 Z. a- ?$ V5 ^
4 l# N- g/ Y3 {$ i' ` SysFreeString(topicStr);
b: h* p0 _- K: c SysFreeString(itemStr);& \4 R1 M% o0 @+ [
SysFreeString(valueStr);
: V) X0 }0 K: j- _
/ J0 B$ C% L2 D+ [9 K" D; \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???( Z3 L6 c. ^3 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????; g& }9 O" T" P1 p! r
" a7 E1 U6 L* _4 T% d& Q* {+ _
8 l* q; W1 H0 q6 F s) ^2.这是request的程序
8 T! n, e3 q1 ~8 x# Z( j// Request a value from Extend' C8 m6 B7 T3 s" Y6 a
//3 Z0 I# S2 h/ S; u5 R
// Initialize the variant that will hold the BSTR. Set the variant's' E" A. I7 Z7 a
// type flag to indicate the fact that this variant holds a BSTR. Place the2 z% \) }4 ?2 Y
// BSTR into the variant structure.4 j' R. i" I' k c( M Z
S3 [. O* h7 R) a
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
, l% k; R- A v C; x7 i 0 B4 l9 d s( ^8 U' o
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
. [5 D% r# N6 {/ R# ^7 E% u VariantInit(&requestVariant[0]); $ v O& c9 s- M$ }: u. ]1 V
requestVariant[0].vt = VT_BSTR;
1 L' h ]5 |9 }7 k% r4 ? requestVariant[0].bstrVal = itemStr;0 {; e0 m% B% A* ~) H/ Y5 u7 a
2 @. X5 | M2 p/ h( m) d# a
topicStr = SysAllocString((WCHAR *) L"system");" ~1 [9 y: [0 N2 `( z5 f" v' G
VariantInit(&requestVariant[1]);
, k- g2 I( z; S; y6 D0 H requestVariant[1].vt = VT_BSTR;6 O( |& Z3 Q* X3 [
requestVariant[1].bstrVal = topicStr;9 s5 u( p7 L' D/ B' C
8 O5 g$ ~5 _: J* q- z
// Set the DISPPARAMS structure that holds the variant.' `) Y/ C9 B) {
. L& Y* n! S" i$ n
dp2.rgvarg = requestVariant;* B, Q6 r7 b1 E' ?9 |( T# u# F
dp2.cArgs = 2;$ b$ R) ^5 c5 n& c8 c! ?! O
dp2.rgdispidNamedArgs = NULL;
3 t5 p0 f! Z+ L, d dp2.cNamedArgs = 0;
6 |7 ?1 ?& K9 q6 n
2 m% g; h E$ E0 N* |! ? var.vt = VT_EMPTY;
3 Q% F& S) U' X. A2 U- j0 D7 {# e. H6 I8 ^8 r! q) F
// Call IDispatch::Invoke()
9 H* Q/ ~* l/ O4 \. J0 Q U: o5 Y5 M
hr = m_pDisp->Invoke(
* f8 ]% l0 F$ Y& r- I2 j requestID,, d, g# K. w% Z& `) d5 _( p) U/ ?
IID_NULL, f0 _' A: `! w9 a" g5 a) F1 t
LOCALE_SYSTEM_DEFAULT,) i( P3 a9 U9 @& f% ~/ c6 M
DISPATCH_METHOD,
# Q: q! G& W2 |0 N% E &dp2,
0 A1 v1 ~: y2 C5 m$ D! } &var,
. C' Q$ B) P2 I$ z! x8 v5 } c7 d, ] &ei,! f0 K& n' x' ]/ X+ L3 [! v8 j3 l
&uiErr);% J; j! `9 @1 F" T+ u5 a
" s4 m# E/ g/ S0 N' c SysFreeString(topicStr);
/ y# E* g' ]$ x# ~ SysFreeString(itemStr);) F3 T. q6 X) M; S
请问该程序是获得extend里面的哪个值?
1 s6 ^; Y' H7 K4 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???? |
|