|
|
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:( Z5 g0 i! g; B
Name = (WCHAR *) L"Poke";0 F( m* ~; Z" Q/ n. `2 L
! p9 G/ m/ _4 b) E4 t# i
hr = m_pDisp->GetIDsOfNames (
% e+ `) y0 Q% @, D2 J IID_NULL, // reserved. D6 z, b! H- S; u& j" Y# E
&Name, // Array of names to get IDs for
& _7 w- S3 M; d) e: w. P 1, // # of names in the array
& c+ @+ E& o- U! g8 G8 C& ^' P J8 U LOCALE_SYSTEM_DEFAULT, // System locale
4 R( F0 j* N B3 {$ F &pokeID); // Array of IDs to fill on output
; p1 e: u0 ~0 I8 q+ \0 F 6 E1 ]8 _) S6 r0 p# X6 g3 a! X
if (hr)
8 x9 k) l4 I8 p {
2 X5 d9 A* o$ K: M; ^; m MessageBox ("Get Poke Unsuccessful");! ], e1 e& Z7 z, U2 S; s
return;
3 ?. Y2 J4 k1 Q }
! p4 R" L5 g/ i q0 D8 a0 ?/ M4 i5 Q" S3 k8 |3 c
/**************************传递数据给extend**************************************// M) G% z! A( M' }. t, U" h1 h% Y0 o9 ~
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
( j4 t* G+ Y* v
7 i& F9 k1 x( D3 x0 W valueStr = SysAllocString((WCHAR *) L"1232");
6 \1 V/ d% q' ^# {/ h) u4 o- L VariantInit(&pokeVariant[0]);
% A: j4 P- a" F% z$ }* X/ N# S pokeVariant[0].vt = VT_BSTR;
5 {% e. r8 `% C. V# d" Y pokeVariant[0].bstrVal = valueStr;
, }5 R- B& h& S% \' U( \7 _
: c1 v1 X, t; w* m4 s itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");$ J! K( ]: z; y( C. ?
VariantInit(&pokeVariant[1]);
: ?: [! T$ [: C/ D* e! D pokeVariant[1].vt = VT_BSTR;
2 ] v, q9 u! S+ g/ R" l pokeVariant[1].bstrVal = itemStr;6 m7 X3 `: N O# y2 g3 {
0 O! _, T" S" X+ Z7 V/ @ topicStr = SysAllocString((WCHAR *) L"system");5 }, g& M5 h3 W" K& F, N. O& a# z" a
VariantInit(&pokeVariant[2]);
! b/ I; W" Z( W2 M pokeVariant[2].vt = VT_BSTR;7 J, o: v$ M" t' C- N3 E% I H
pokeVariant[2].bstrVal = topicStr;
4 X! s) m2 R! N) u' V! C1 l Z$ B* x% v$ f+ N g
// Set the DISPPARAMS structure that holds the variant.
& p4 y# [( I; V$ b5 h% ~5 U, D! j* ~
dp.rgvarg = pokeVariant;
% M3 C7 \, D# E; X dp.cArgs = 3;
: l# s7 h3 C( U2 H) e* Z dp.rgdispidNamedArgs = NULL; ]( b" D. v- L- b( F" v! C
dp.cNamedArgs = 0;
+ e6 x2 X+ E( v8 i! X: v, u T# T. |$ F& @' z7 d8 Y& r7 M
// Call IDispatch::Invoke()
: R2 M9 U& N! S7 A! b' X, C2 V" h
8 o6 ~1 |4 R6 e6 [' v hr = m_pDisp->Invoke(
. z+ o0 S7 J* y! X$ Y pokeID,7 x# u5 i0 v/ E- W9 N" H! a* \2 a
IID_NULL,
1 n1 L4 x0 q# c. m6 s4 B. M LOCALE_SYSTEM_DEFAULT,
9 G# z( d) h! r! g/ A DISPATCH_METHOD,
- N6 g" V& A: }" h. T &dp,7 h/ _, h9 t: g
NULL,
0 H* v+ i Z( ^& R; \/ F &ei,
' s# H; ]# M. |: z &uiErr);
# w9 `$ |8 h) E0 ?( {
; X/ [6 {" R h5 f SysFreeString(topicStr);
5 J; T s- S; x; ?3 x y+ y% I SysFreeString(itemStr);
/ d7 }* Z3 E4 n: d SysFreeString(valueStr);( m+ p4 `2 J% x7 m, }) X* e# J% H
/ {5 W* S# L+ i$ N8 {
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???
@% h* V0 D G5 r* t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????; p1 ?2 E. g* C* e
* [5 W R# B9 K$ ~" _' X) }+ Q! F" q, j1 \+ p9 s o! }$ y/ h
2.这是request的程序; b8 s' y/ Q3 y+ O. r
// Request a value from Extend- f2 h2 D. i$ Q5 D0 I0 x
//- t& d" q9 v2 z6 X: d t3 o
// Initialize the variant that will hold the BSTR. Set the variant's
" h6 l3 J# `( Q" J// type flag to indicate the fact that this variant holds a BSTR. Place the1 l( h7 W7 h' h; t8 k. W T! ?$ C
// BSTR into the variant structure.! n$ V+ q/ j/ Z6 F& ^) c" e% G& L% s
8 T% B! n' U `# {1 v# _+ e
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
8 B- I7 _# r2 i/ m - V% g$ y- |. p
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
, i) ^+ m( H0 n( w; H; } VariantInit(&requestVariant[0]);
2 _8 R; ^% p, y) `# l2 `7 J5 [& ^ requestVariant[0].vt = VT_BSTR;8 v8 @8 `9 ]: t
requestVariant[0].bstrVal = itemStr;
0 O9 C: s, {; m. V7 C; o+ {. _ B) [8 r5 r" L
topicStr = SysAllocString((WCHAR *) L"system");1 Z' y3 k: J# j6 b
VariantInit(&requestVariant[1]); ! O/ n# s& Q& w! e
requestVariant[1].vt = VT_BSTR;0 B1 k, e5 E* Z. n- s5 Q! b, O4 g5 D
requestVariant[1].bstrVal = topicStr;
, L6 q/ }8 S- G3 A; U0 k k$ _0 v& R1 U# T, t8 P; Z
// Set the DISPPARAMS structure that holds the variant.
! A& X9 q, z( b5 T
/ ^6 o( {4 ]% F6 t3 S dp2.rgvarg = requestVariant;# F( f2 S/ }; B1 X$ E& U) N
dp2.cArgs = 2;
; z7 V M: y- R$ s4 s1 J dp2.rgdispidNamedArgs = NULL;
" D. m, I% i6 u, K3 U9 S dp2.cNamedArgs = 0;$ u; m8 X$ h4 O5 N
* Y' T5 [2 Q2 R9 i
var.vt = VT_EMPTY;
2 ^& a. R9 I5 S: [5 d6 S( i, F
2 i0 d2 f) o! b: |, h7 N// Call IDispatch::Invoke(). u4 f' Q' {3 r1 _- @0 G# |
7 g) B ?5 A0 ? hr = m_pDisp->Invoke(( F4 U* E2 V) t+ _, _* X' J a
requestID,
/ } A) @) y5 O) ]* Q" U: c2 _& X IID_NULL,
. @6 e1 a. H. \- B+ {# d8 } LOCALE_SYSTEM_DEFAULT,
. [! B' t4 a, W. ~3 _9 r DISPATCH_METHOD,# ~5 N0 u1 t/ P- X% F4 C0 I0 Z
&dp2,
' f4 }9 f, A% N &var,) l/ B( {7 Z# y
&ei,
+ F; W; \/ }" G% }' _, E &uiErr);1 T4 g l! g' r8 ^& R- r, t8 A0 p
4 D% k7 A8 d' S( y" X+ I SysFreeString(topicStr);
6 A$ M6 v0 W/ s: U; F( d2 }% F* ^5 n SysFreeString(itemStr);
+ T9 a+ |* T6 d4 E/ h3 T' b4 K$ Z请问该程序是获得extend里面的哪个值?8 S; R* P: {6 v" t1 H5 t- I
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???? |
|