|
|
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 E( l4 N% x! x$ fName = (WCHAR *) L"Poke";
# n' a5 h- H& }3 j! v5 H
1 N, n/ B* l9 T) Y hr = m_pDisp->GetIDsOfNames (
( U. J$ h4 n' z1 R, u; I IID_NULL, // reserved
% ^4 X. Y% I. E7 a% y, [8 ` &Name, // Array of names to get IDs for
( c( y" {( r$ C Y: f 1, // # of names in the array# U. l J8 p0 I) ]* e" a1 c% {$ N# ?* n) w
LOCALE_SYSTEM_DEFAULT, // System locale
. m) `3 ]% ^5 G8 V6 h1 M4 p &pokeID); // Array of IDs to fill on output
- ?' N. `2 B& w7 O ! o' b& y% [! C3 w
if (hr)
+ Q1 R) ], t* R: _! k. `# x { P( g' ~( B' S7 q; i: {4 r
MessageBox ("Get Poke Unsuccessful");
2 T% O! i6 B9 y; C- M return;
2 y! u3 `" }( S5 S1 `; N }0 @/ y; [- j; }# d5 }' w
0 H$ | t. l/ Z! E! I4 X
/**************************传递数据给extend**************************************/! L5 a- v; C4 Q! z, v: n
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
4 m k9 e5 A; M' b
! G7 z& E: O7 ~! q. o" k$ q% N( ]. A valueStr = SysAllocString((WCHAR *) L"1232");) R+ F% |7 J( y6 P0 b
VariantInit(&pokeVariant[0]); 0 G7 V% }9 Z1 G: _! {
pokeVariant[0].vt = VT_BSTR;( ^) ~) O m/ z) t8 O# _0 j
pokeVariant[0].bstrVal = valueStr;3 h2 C. p- B" p/ y
& o: _9 q7 g) f; G5 R' a" u0 L itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
) t1 U( H3 A6 j+ W7 X# _1 w VariantInit(&pokeVariant[1]); k1 v% w3 E+ B7 Z6 g; A0 l6 p! S
pokeVariant[1].vt = VT_BSTR;' J. @8 {3 C9 _/ b1 g5 }
pokeVariant[1].bstrVal = itemStr;# h6 k: q! n2 S f
+ K: V3 c7 ~0 W3 l, \% F" i topicStr = SysAllocString((WCHAR *) L"system");
2 q* _# n! L" l( e* a VariantInit(&pokeVariant[2]);
, t7 E& ~# q. }; W pokeVariant[2].vt = VT_BSTR;
1 o" I$ p7 f5 X5 c0 ], y3 ? pokeVariant[2].bstrVal = topicStr;
@4 ~, b- D% X( g0 \* ^1 V+ Z2 L5 J9 Z0 ~
// Set the DISPPARAMS structure that holds the variant.
/ p- _3 V. }- S; \
# L. x( h( m7 q' m$ o# C+ s5 o5 k dp.rgvarg = pokeVariant;
2 x3 h* L4 _! t. u dp.cArgs = 3;0 F( [5 S1 l: m! E$ H1 `
dp.rgdispidNamedArgs = NULL;
$ b( `! h: C0 t8 I dp.cNamedArgs = 0;
: ]- z% Y: {( M0 j/ K1 o
$ ?2 \7 X2 h: M+ R7 f" S) L% C# S// Call IDispatch::Invoke()- {: e0 v$ o$ a% ~; j' c7 h8 |
9 \' _9 ?0 S# Y6 i hr = m_pDisp->Invoke(5 k" I4 q0 `' r. u `- [9 j9 `
pokeID,
2 k" B* F$ l9 t; s" C IID_NULL,
7 w& t1 \; |# p% e$ c5 F/ I. U1 b LOCALE_SYSTEM_DEFAULT,+ W a( m4 m0 e; ]
DISPATCH_METHOD,- H0 y# {4 Z2 o1 H
&dp,
$ s* Y# H0 @# u! K0 d NULL,9 o& ?0 q) j8 D- I) g) l+ O
&ei,* s5 o2 B2 y' D
&uiErr);
3 P0 f4 R, M* ~/ i$ |2 T
" a5 u: a3 ]/ `/ `1 d SysFreeString(topicStr);
; C, F4 Z" g3 }) z- P$ F SysFreeString(itemStr);
; B" w% |% D) e+ R; \& @ SysFreeString(valueStr);
8 T0 J: o% J7 O
c$ ?1 }4 G; Q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???
- `, J7 w) M: k. R) p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* Y: X2 U6 r
, l: f/ ~* s( p' V Z- k+ x. X' O& |- x$ [' P J. u1 z
2.这是request的程序
5 }( b F/ }8 n, k; I// Request a value from Extend4 @8 }6 A0 D) D Y" Z4 g2 h
//
9 s6 v8 \7 @0 W, `0 O// Initialize the variant that will hold the BSTR. Set the variant's
: F$ O1 P9 p- F: a. C4 T+ D// type flag to indicate the fact that this variant holds a BSTR. Place the
! |) A* w1 H7 E( Q// BSTR into the variant structure.
) r- t: k5 r, F/ I& T
" b& R' r- M/ d: ]. T9 B requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
; J0 W& {0 Z/ _, k7 w4 @: q7 Q3 b ) H6 H( m u( Q$ r1 B" Y
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");+ t% v5 d- s P- g. `) a
VariantInit(&requestVariant[0]);
) o7 L( ^$ V l5 [4 ]. z0 z requestVariant[0].vt = VT_BSTR;" k: T" {6 D" w7 W- K
requestVariant[0].bstrVal = itemStr;
* N# K, G' U0 G& M( B
9 S! z% R) G- n5 R3 \* b topicStr = SysAllocString((WCHAR *) L"system");+ d2 u8 Y$ j" Q
VariantInit(&requestVariant[1]);
% s; X- |$ Q" m3 x requestVariant[1].vt = VT_BSTR;. ~6 u8 g/ P0 _, S7 l$ p( h- y$ z
requestVariant[1].bstrVal = topicStr;
3 @6 |. v. F0 o/ X: [9 Z7 E
+ s2 @7 t2 W, P; z6 q4 |// Set the DISPPARAMS structure that holds the variant.* k$ L4 y' s' j
' z' a4 V. N. k, p E- n8 q
dp2.rgvarg = requestVariant;
, s/ N! v% i+ }% |) g4 F* I dp2.cArgs = 2;: w+ p$ _8 Y. c% I O% s4 S) [
dp2.rgdispidNamedArgs = NULL;* l- |& ?2 D9 g$ K6 a
dp2.cNamedArgs = 0;% U2 l7 }$ p$ F6 P6 d6 S3 ]
2 C# Q/ Y* t7 I1 K3 w9 O4 O! I. ?6 \ var.vt = VT_EMPTY;1 L k ~9 b0 p; b
8 }- y: _/ L9 L( }3 ~$ n+ |
// Call IDispatch::Invoke()
H: Q/ r) y+ g: A1 v
3 x) R# w2 V% o hr = m_pDisp->Invoke(6 C9 C; u/ i# u9 t/ ^3 Y
requestID,
7 X8 c8 c( p. W) ~, h: y IID_NULL,) {4 v( O1 ^, o Z/ I
LOCALE_SYSTEM_DEFAULT,
* {; J+ c T9 J# l5 x( } DISPATCH_METHOD,( i8 \' E+ q) `* E- M0 v
&dp2,3 H- O* u' P+ J7 b$ y/ [, f' n
&var,9 R- O0 t% @; e+ S3 P" D& }
&ei,# n; f+ c1 w- {: Z" m" h
&uiErr);
4 _$ w" ^2 {8 x" F8 p5 [: ]- q, a6 `2 a& T' H
SysFreeString(topicStr);
" M* U7 T# h" u' i6 J SysFreeString(itemStr);
) D. D7 s! Y/ R5 C* r请问该程序是获得extend里面的哪个值?
! x, {3 e% L X ?, Z1 _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???? |
|