|
|
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:7 U7 Q) s: U: l* b; P) C U6 X! J
Name = (WCHAR *) L"Poke";( H- j7 V/ P0 u/ @
: C ^) ~# R/ j3 u
hr = m_pDisp->GetIDsOfNames (5 S: G0 x4 G' B8 D2 w6 U
IID_NULL, // reserved
) X, Y. {5 U/ B, ~# e &Name, // Array of names to get IDs for& O0 G# S0 W" r( ?. q$ l
1, // # of names in the array
4 ]6 M/ K5 Q( ]% K" A9 y2 @ LOCALE_SYSTEM_DEFAULT, // System locale
: ]! W! T6 G, ]1 S) G' w; S &pokeID); // Array of IDs to fill on output; K$ Y4 }0 p; U; v1 F
2 i/ s$ U2 w# q6 T* m' _ if (hr)
' i( h) Z! Z7 r& _ {
( O$ e" _, u! o. s5 f9 |6 J MessageBox ("Get Poke Unsuccessful");, U1 @, k6 Q9 ^1 ?) { U
return;; O4 O, Y2 p0 e
}
* D2 i2 ?, U% M4 l: Q
) w y0 H1 L g. A0 i) }' P' E: k/**************************传递数据给extend**************************************// X/ ?* K; b$ }4 x2 g: ]7 i2 S5 |9 x
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
4 g) E: z3 A: q) a7 x- D9 S 0 t2 C, V8 r# o
valueStr = SysAllocString((WCHAR *) L"1232");
9 Q h% J. W- S6 Z2 r1 ~/ C" z VariantInit(&pokeVariant[0]); " w1 f' H" A9 R' h3 @# x) D* s- o3 M
pokeVariant[0].vt = VT_BSTR;9 Z3 }9 n3 v* n6 W% ]* A6 L
pokeVariant[0].bstrVal = valueStr;7 a+ m, n) f# d" q, G
) l7 e: o- t$ _2 { itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
w! j% {& h1 h% |3 r VariantInit(&pokeVariant[1]);
9 q$ i' u" b1 J$ X pokeVariant[1].vt = VT_BSTR;2 v1 n2 }# A7 b- W, M+ z! i9 [4 y9 A5 R
pokeVariant[1].bstrVal = itemStr;
' D0 S" ^9 S- ~! A" r2 w# p Q, j, ?9 g( Z: E ~1 @
topicStr = SysAllocString((WCHAR *) L"system");
$ s x; _! M8 U K5 k4 U VariantInit(&pokeVariant[2]);
" ~( D0 F6 R' u& k& z3 L pokeVariant[2].vt = VT_BSTR; u3 V- _ a6 S; x2 y
pokeVariant[2].bstrVal = topicStr;
, K7 h: A, l$ y# r- [/ b% v
3 ~7 O! e9 O# z. c4 A$ E& ?/ _, S/ J// Set the DISPPARAMS structure that holds the variant.
5 c: O% E! e; f$ M$ s, I
* h# a, Z9 {; V. ?% x1 p+ @ dp.rgvarg = pokeVariant;
- x4 U/ W3 o3 L5 H' ] dp.cArgs = 3;. k6 N8 x3 F: _' z: D' I3 J
dp.rgdispidNamedArgs = NULL;
& N0 m. }* w" A! X dp.cNamedArgs = 0;
1 `4 I4 m0 ]8 B$ i# L5 W7 b
" t' ^% T, O1 {) E// Call IDispatch::Invoke()8 K6 u6 Z! k- I
( D/ [; {4 u/ f$ S# y7 c3 V hr = m_pDisp->Invoke(. l b8 Z. ]% J j; D
pokeID,, q; U; Q+ ?) P, N* Z# v( R
IID_NULL,! o7 s; |0 M! W* x
LOCALE_SYSTEM_DEFAULT,* O0 W% }3 ^+ k2 [
DISPATCH_METHOD,, N- K8 H; D" B9 `& e
&dp,3 F& N. V9 X3 L# d' p
NULL,& J& U' H+ Q L' f0 L
&ei," @! `0 C- o, ~/ }' D4 g
&uiErr);
6 n) Q, ?/ {+ M6 X# b4 c; X: L5 M! `) Q* x' J( d
SysFreeString(topicStr);
9 x4 P5 I3 S; i SysFreeString(itemStr);1 j; Z! b7 V7 h. D
SysFreeString(valueStr);9 o7 V) ~% H/ x4 b5 z
! ]6 i3 O% T/ Y! b) _" J& F" v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$ X5 a2 j \9 C0 u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????
3 p; Z9 u9 Z5 A/ L( ~+ K
* k* e& g# q/ F, T) b9 c/ r- F; n& M2 `6 f$ |
2.这是request的程序% o8 B2 O4 S# O7 V( R) e$ n
// Request a value from Extend) M3 j' I+ U7 g# k H
//8 y% l5 t) \: w1 }/ l8 `
// Initialize the variant that will hold the BSTR. Set the variant's$ ^8 L' l' O" s6 A
// type flag to indicate the fact that this variant holds a BSTR. Place the- N; f4 {! J2 {% L
// BSTR into the variant structure.' v6 z( J5 T2 S8 r0 J7 ]8 {* K
; s6 Z8 S$ `) U: p) n t
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);8 y% ~; O% {3 P; \* ^
$ i, C. P4 r: ?/ U0 [( G
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");6 r" }5 H$ ?2 z# P5 u
VariantInit(&requestVariant[0]);
$ |* K$ i+ z) a requestVariant[0].vt = VT_BSTR;" q+ `7 S, L# {4 G# ?7 b
requestVariant[0].bstrVal = itemStr;' w0 Z% b' l; {- A/ {( M4 E2 ` j
( k) I; n( }) l. L" B
topicStr = SysAllocString((WCHAR *) L"system");
' O' E+ t( w& u" C0 i. ] VariantInit(&requestVariant[1]);
/ _' z9 h0 [5 _7 v/ _- A requestVariant[1].vt = VT_BSTR;1 `0 b# e2 y0 [
requestVariant[1].bstrVal = topicStr;
% j' i# a9 Q+ c }; D2 C: G# l
2 S+ c" o1 v% N* z0 S// Set the DISPPARAMS structure that holds the variant.
7 ]8 L2 |$ p; R, c& I/ Q+ c" f/ ^* Y. C& L) J
dp2.rgvarg = requestVariant;
8 u' t; i- X2 c) I dp2.cArgs = 2;0 y( j, E* F7 I' M8 `
dp2.rgdispidNamedArgs = NULL;# T. G" N6 w! U& y8 w
dp2.cNamedArgs = 0;" P+ l8 {; b% X# @ w5 j
- {# \+ ~9 C: q; h" C var.vt = VT_EMPTY;
9 \' h) S3 P2 H; v8 `) i) u
5 @0 _7 X4 J; V( l5 G// Call IDispatch::Invoke()5 ~$ N$ |4 H A7 A, J, N v6 B
, O' |: Y+ \: Y& d+ j& I hr = m_pDisp->Invoke(
% R8 X7 ^. \. s$ |% a requestID," U) \. {7 V8 k! q
IID_NULL,3 k# x# |0 W8 p4 A0 ^1 r0 X. D
LOCALE_SYSTEM_DEFAULT,
2 a+ T7 k* I8 B/ Y2 j DISPATCH_METHOD,
9 \+ Y- B7 {' \# r; { &dp2,+ H0 A" _# \0 ]0 a; O- B$ Q
&var,7 R$ W8 a* s- C4 P) Y. M
&ei,, C9 P0 C" Z9 r" ]* \
&uiErr);' F, D7 \, w% j* B0 g, ^8 `3 l
; a H! Q, h' j& p; R4 ~% | S6 T SysFreeString(topicStr); G! q* R q: T6 j' x/ [
SysFreeString(itemStr);* J9 I, Q3 {- p; F9 F. Z6 {
请问该程序是获得extend里面的哪个值?' ~& `2 e2 B" B1 f2 p& q+ 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???? |
|