|
|
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:! D( h$ |: Z$ R4 v9 H2 N4 p' F
Name = (WCHAR *) L"Poke";) ~4 O* L% ?, j v4 p6 f
: Z. C/ R9 a3 E: ^# Y) J# i7 S& x# F, Y9 r. ~ hr = m_pDisp->GetIDsOfNames (8 q! `2 [) W) I4 n
IID_NULL, // reserved
4 K& V3 }2 d+ h+ p; V9 N &Name, // Array of names to get IDs for; {" |% K$ a+ @- I! O4 g
1, // # of names in the array
; E: @( j; g' H1 e2 _ LOCALE_SYSTEM_DEFAULT, // System locale
$ t9 b( I" \0 V) _& L &pokeID); // Array of IDs to fill on output7 p3 Z( F% J) w; G7 C5 L9 o, F
: N0 V% m6 P# \
if (hr)! ^! F O' r, b2 S3 g8 g
{# M, A- O: A4 M, C; w
MessageBox ("Get Poke Unsuccessful");6 A% ]$ T! i4 f w3 p( @% h
return;' z; P0 j7 `- d+ K! P$ a/ s
}" g- b( X/ h/ e$ v' }
6 ~1 a& @1 N/ |/**************************传递数据给extend**************************************/7 M- k- Q3 u7 E* h
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);) d, P r7 ]8 P9 H1 x$ k
8 Z! I; i' O; m valueStr = SysAllocString((WCHAR *) L"1232");
, u3 `! Y2 Q; B% }! B# L VariantInit(&pokeVariant[0]);
- ?( Y2 a b" T, l' h pokeVariant[0].vt = VT_BSTR;
2 t, n, v* b. L- z; v$ k pokeVariant[0].bstrVal = valueStr;
, E! s7 M7 N8 P
/ e* w; B/ F; x# U, W itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");4 n. l" H9 O; q" U2 r y7 D: Z; i
VariantInit(&pokeVariant[1]);
- c1 i6 Q. c5 u" q ~: }/ N) } pokeVariant[1].vt = VT_BSTR;
* G3 g& C" S9 u8 }& n M, c# o pokeVariant[1].bstrVal = itemStr;: R* a8 N6 O8 Q4 y w- t3 n# U
! T& q/ N8 ?2 }5 g3 J* E& C
topicStr = SysAllocString((WCHAR *) L"system");
5 ~) l+ m& e& s: b VariantInit(&pokeVariant[2]); ) D* I! \( N5 v$ K( K! Q3 q) G: e
pokeVariant[2].vt = VT_BSTR;. Y4 |) F! s- e8 J# |
pokeVariant[2].bstrVal = topicStr;
1 U3 _( O& Q3 \# X" t2 g& M4 U! i- S( b' |! b
// Set the DISPPARAMS structure that holds the variant.
$ J+ W" G/ J1 _0 H% j0 P2 U% c, b; K! b) u. y" I
dp.rgvarg = pokeVariant;
0 T. Q: S, w) e3 n1 i) J dp.cArgs = 3;
* g/ V6 t! y+ [ K$ B0 ~. f O- D' D dp.rgdispidNamedArgs = NULL;
; W$ u( U. x! X2 }! e; {, [: d dp.cNamedArgs = 0;
/ W! F+ ^& |7 Y6 p" K9 K2 r! M4 g3 ]( c0 P
// Call IDispatch::Invoke(); M: L; u2 X C8 X
% m3 x/ y0 y. Q! z7 n8 f8 S c
hr = m_pDisp->Invoke(. N- D, I& D9 M2 w. J. \) A5 s
pokeID,/ G, B$ ~: W* X, t
IID_NULL,
+ M% g5 i" W3 S, ^ N LOCALE_SYSTEM_DEFAULT,* ~# L8 G r7 {% Z5 Z- F
DISPATCH_METHOD,
4 h& i" n3 m# y7 y% o( ? &dp,
& b% x4 Q" ^) k7 J NULL,
9 F: B- x- N' O; t! G, k# w &ei,& z) r2 O1 q5 t" j% |, c5 s0 u2 ?, Y
&uiErr);
7 E) ^4 K4 \7 ~9 S$ b+ E
4 ~7 l, e7 K9 ]/ ~( V2 ]: h SysFreeString(topicStr);8 x9 R8 r' r8 b: M' Q* q
SysFreeString(itemStr);
/ Y" d+ N! ~4 @; W; o SysFreeString(valueStr);5 D9 D6 W/ I' w6 t9 B2 k4 \9 ?
9 o/ e. J5 s+ g" K1 I; h! C# |% @$ v) i
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% K3 Z2 k; G
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????
/ j0 l: z4 T2 c4 n1 z2 @9 Q R
& {" n2 V/ p; l9 e2 O# W- I) g2 d, k2 S% \6 Y
2.这是request的程序4 f9 @" I! b( U
// Request a value from Extend
8 D# l% ]- W9 p1 i//
: O6 D4 |, w' k7 V A0 V1 u// Initialize the variant that will hold the BSTR. Set the variant's) {' @4 t2 s0 ~8 c8 m% m* \
// type flag to indicate the fact that this variant holds a BSTR. Place the0 {2 O5 K" J$ u- w( w
// BSTR into the variant structure.
% d, o3 G" y( m# d) M, u8 G7 |- O: d K4 m/ ^1 I- Z: N9 p
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
; T" J9 Z d% I0 ? {8 K
& ]" L! ~- G3 R itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");0 u/ m# a2 {/ k3 {+ J# B
VariantInit(&requestVariant[0]);
( C8 z3 ?" o/ G# I6 ?: V/ E requestVariant[0].vt = VT_BSTR;
3 U; k6 k7 r1 S; Y6 @ requestVariant[0].bstrVal = itemStr;
% S) [; A9 _6 f& x( B! R% x, n" ]7 U6 B+ W* @! I
topicStr = SysAllocString((WCHAR *) L"system");' \2 G, S2 \( C+ r$ l! |) m. t
VariantInit(&requestVariant[1]);
8 _) J, k, n* K4 ~ requestVariant[1].vt = VT_BSTR;
* s5 b$ F% J- m/ S7 q requestVariant[1].bstrVal = topicStr;
& D: r8 V3 c& C
3 u! _) h* ~: E, Z// Set the DISPPARAMS structure that holds the variant.
% W7 W, d/ N# f, ~4 z7 d, E! u2 Y( m2 ]3 M/ `
dp2.rgvarg = requestVariant;; c3 C+ s' z/ E% r
dp2.cArgs = 2;
% B5 | x* W" T6 ]) @5 W$ K; v dp2.rgdispidNamedArgs = NULL;
; W1 C# \ T5 ]/ A2 ~ dp2.cNamedArgs = 0;
8 t z) _8 q3 }4 ]: ^
- D3 X$ A4 Q- e; B var.vt = VT_EMPTY;/ ~. \5 k2 S/ w8 v6 A3 O Y
8 [( b: U+ c/ g) L9 W% o% }, _4 E/ w// Call IDispatch::Invoke()6 z, m2 T. v0 {
- Q/ M' O5 j/ G- X) \8 s
hr = m_pDisp->Invoke(6 B7 {, H# G) I2 b# X0 [& {. n
requestID,
7 ^' X# ~# i6 ~" x4 }5 H0 i8 Z b IID_NULL,
G' l0 m# c" \2 b% q) {1 f LOCALE_SYSTEM_DEFAULT,
, W f+ V- ?3 C0 \- b DISPATCH_METHOD,
0 Q R$ L. ~# g1 |7 U4 B &dp2," [; n) w: j7 T% f# r z* C+ h0 V( p
&var,7 i5 R$ Q9 X! ^3 N9 c) J6 ^6 c
&ei,9 S9 g8 Q9 l, a7 u% f8 c' ^
&uiErr);
( F" _' R$ b7 a( W. n4 v
; |- y9 Q& Y5 ]- B# _; ?( J2 E, b SysFreeString(topicStr);
2 w* R/ q& U0 ]6 Z2 v7 Z SysFreeString(itemStr);
6 k& J3 V1 O6 b4 J请问该程序是获得extend里面的哪个值?
8 r9 p+ {4 b8 U, 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???? |
|