|
|
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:
8 C i1 }4 n! U1 q+ `8 M% Y' a- yName = (WCHAR *) L"Poke";
8 y t# v9 A1 J) d$ z! N# T % l3 U/ M0 p3 `) F% m2 f8 u& A$ s( e
hr = m_pDisp->GetIDsOfNames (
8 l9 `8 J9 v6 } IID_NULL, // reserved9 t% k4 i& M' P# A. \. H. p( z
&Name, // Array of names to get IDs for
. n+ f7 N* K" e 1, // # of names in the array
+ C# z- Y# A* q. [ LOCALE_SYSTEM_DEFAULT, // System locale
0 H1 w: @( B; D$ ^ &pokeID); // Array of IDs to fill on output
9 y( K% ]: I' x, W# o2 ]' F; ? - T9 C! t6 k/ M- K
if (hr)7 J/ H5 k' e' Q- Q
{' z9 \1 n- \7 M; |
MessageBox ("Get Poke Unsuccessful");2 N0 |# h/ n6 Z6 o; [. X: }
return;( W7 a C- D! s* `
}
7 ~8 c) \: {7 R5 C- k! t
6 b D) H3 ]% {1 D! U/**************************传递数据给extend**************************************/
; Y, A, o% }2 K" y4 M pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
/ s4 \, @# I5 l' X
0 o p! L2 K& y, F2 M6 q% X valueStr = SysAllocString((WCHAR *) L"1232");( x' k2 Q! J, p3 t) C
VariantInit(&pokeVariant[0]);
2 M o& Q( _ o9 m1 R) _* v: B pokeVariant[0].vt = VT_BSTR;1 ~6 v L4 q2 N7 }6 B: X
pokeVariant[0].bstrVal = valueStr;2 G* |& v- c5 w
) a; N$ b/ q1 h' [! m* H& h9 N
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");- O" {# I7 ^0 U
VariantInit(&pokeVariant[1]);
( _% S. G3 @' g E) k5 M7 A pokeVariant[1].vt = VT_BSTR;
* u1 y+ b/ A/ K. H% F) A* n: S pokeVariant[1].bstrVal = itemStr;
9 Z) o Z% k) @# M
7 ^3 |5 L |- X$ k' C3 C, U: v topicStr = SysAllocString((WCHAR *) L"system");
* Q! p# ~$ G; o% U5 j* H VariantInit(&pokeVariant[2]); 9 x1 N; L6 W) {3 \ ^ f/ U$ q
pokeVariant[2].vt = VT_BSTR;1 T" r; o5 c" p/ Q- }- [
pokeVariant[2].bstrVal = topicStr;0 v8 h' q1 F0 _# Z6 z* _4 h
0 u& [; R, W* ~8 P
// Set the DISPPARAMS structure that holds the variant.& T* l8 j, D7 i; `$ a4 d
! P+ w; L9 A K, c& Q: A dp.rgvarg = pokeVariant;7 {' {/ A Q( w6 V G% l( P
dp.cArgs = 3;
% F. N. r( p7 [. | dp.rgdispidNamedArgs = NULL;
2 M" ~5 Q/ x# F2 s) k: W dp.cNamedArgs = 0;
. q- v R' J# F# w9 G I$ r S( ?) `( w4 [% d" ~# b
// Call IDispatch::Invoke()% s: d; X. F# V y0 R. T1 C
+ k! d' u3 G8 g0 R( o9 B5 S5 P
hr = m_pDisp->Invoke(
( l1 f/ j( z5 K3 z. S pokeID,
2 B; I- \$ m# \ _% Q9 T+ R% Z) v IID_NULL,
* J' [4 p* K) P# N. } LOCALE_SYSTEM_DEFAULT,
2 z) w. M4 X/ }: i DISPATCH_METHOD,
: C$ I1 e4 K) W* R4 `: H+ ^ &dp,
9 m% g6 ]% H9 o# \2 P" } NULL,
. Q' V3 T! P; \% c5 C \ &ei,
0 O0 I* f: V5 b &uiErr);
, U( J) H( K) h) Q5 i- \! K* ?+ C3 F$ T2 x# g0 o
SysFreeString(topicStr);
; t- w9 h1 k, c0 i' d SysFreeString(itemStr);% i% \- _1 c& B" y4 [
SysFreeString(valueStr);
' f5 `; g" ~* T- z9 X# F# @+ e! y' f, \+ Q, H& `4 a) _; G* F
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???
& K7 ~" a( ~% N' p7 b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????
( I' E1 }1 d% \/ P& u5 u/ ]2 @% P. l
" W% P/ u8 [* U% C* j- Q3 M7 G
2.这是request的程序
( X/ R& d# T* u( s; l// Request a value from Extend
5 A! O `: S2 M1 V+ m( {//
$ R) Y5 a/ ^2 c* v- X' E* V2 R& _// Initialize the variant that will hold the BSTR. Set the variant's
/ k- W; Q+ ]! { i' O4 p6 P// type flag to indicate the fact that this variant holds a BSTR. Place the
0 h* [; H6 ]& i' C. _8 T# G% T// BSTR into the variant structure.. H* b6 k3 o+ y: }7 \! c6 x
2 {+ P7 f$ F- n6 W1 r* F* @" h6 Q8 ?6 p requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
7 O, U( S4 p; l) f! P2 r* c
% x1 e# k8 Z$ k5 y" x6 {/ ] |* c9 F itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
2 T# U" w8 K' w& j7 K) Y# |6 ? VariantInit(&requestVariant[0]);
- `0 d: ]# w8 v, V& |. \! v/ ] requestVariant[0].vt = VT_BSTR;
! W" Y: C" G9 b! U i( J, b requestVariant[0].bstrVal = itemStr;7 r- C1 w3 v; {, W" P4 m
- O& i/ M/ N. m) c) ~0 O
topicStr = SysAllocString((WCHAR *) L"system");. D# [( S- p# N) K
VariantInit(&requestVariant[1]);
* x3 v5 K, C8 \' X* i# W4 w requestVariant[1].vt = VT_BSTR;. W, U g) v3 k+ A# s: c5 L' P
requestVariant[1].bstrVal = topicStr;7 y1 R1 n% u) C. s5 y2 Q7 S& D3 w
n# G5 y, ]4 L6 Y: X2 ^; ~, q
// Set the DISPPARAMS structure that holds the variant." Z" b4 c# S+ R0 d9 @5 Q
. }% \5 E. ?' r6 y4 `2 Z/ U dp2.rgvarg = requestVariant;
? P5 Z1 D6 ~ dp2.cArgs = 2;3 Q8 e& T9 |& b$ x! f `% E/ Z
dp2.rgdispidNamedArgs = NULL;6 e8 P6 E' S7 i# _: e: n( L
dp2.cNamedArgs = 0;
& |% f; o3 k3 X7 m# d' c8 P
2 P) ?! h4 Q. c" J' b var.vt = VT_EMPTY;, `$ \$ D, D" T/ o: C5 b7 U
7 g' @) R- ?# I. }5 k% J8 m// Call IDispatch::Invoke()
( w7 S- \/ T/ X5 u
. s5 }" t# J, q0 O. I hr = m_pDisp->Invoke( [" E( \& Q& w* z
requestID,
& B3 l6 |) G: O3 r4 D IID_NULL," t& j9 M- T0 ?! v# q
LOCALE_SYSTEM_DEFAULT,
0 \* B. a. U; k9 l! I5 H DISPATCH_METHOD,
9 t' W% r" U# e2 E2 _ J &dp2,5 l' m+ i6 c6 M3 G. P' M0 d
&var,
* E4 X- ^4 E8 ]3 B &ei,
1 D) `' O& i- c! ? &uiErr); d% J/ W2 ]4 \# m. k# [
4 U5 m/ k# F8 {. C9 H& L" v
SysFreeString(topicStr);
m% E+ V; s/ r! J& F" u8 N SysFreeString(itemStr);4 O% L1 c$ a. _1 r' J
请问该程序是获得extend里面的哪个值?( Z1 N. i8 ?: q. q( K9 y' |
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???? |
|