|
|
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:1 R0 a- H/ [* e+ C% }! o0 I7 C
Name = (WCHAR *) L"Poke";
2 z4 J! ~' x+ m h1 k v" s/ `5 p. K8 g: W
hr = m_pDisp->GetIDsOfNames (( F* U9 Y0 y7 F5 B1 P8 u' R3 G! |
IID_NULL, // reserved( S! C" v1 E3 w+ n
&Name, // Array of names to get IDs for- z8 r, y, F$ R) S5 T1 E% A
1, // # of names in the array5 @$ P" {# s) y: h1 \; _
LOCALE_SYSTEM_DEFAULT, // System locale
5 Z( j+ Z' d9 Q4 d &pokeID); // Array of IDs to fill on output
% Q" x# @0 q# M: n6 e
2 p, H3 R9 S8 O$ O6 r" k) [ if (hr)
) e+ p! Y5 t5 Y" P' ~* F; f2 a; v+ L {
* R0 Y' T2 w1 A0 y MessageBox ("Get Poke Unsuccessful");
' Q# {$ v7 N+ [ return;
* K& E$ s* _. w! |% d- V }
4 |0 L5 S( r* Y/ _ i7 G) {
8 H* Z0 i! A0 R/**************************传递数据给extend**************************************/$ i1 {- h0 c5 _
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);. [# P+ f$ ~( j5 B5 x6 N) a% G) \4 L
2 X6 d3 I+ b& \, E) p
valueStr = SysAllocString((WCHAR *) L"1232");* q0 r K$ q3 \' }; ^
VariantInit(&pokeVariant[0]);
[5 K( J$ a) J; E, W$ t) x pokeVariant[0].vt = VT_BSTR;' J# D! T q$ e! V& P) K
pokeVariant[0].bstrVal = valueStr;
% d% p( _0 D0 [ l, \8 e$ e: G; d% }' E) t( {6 H* \
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
7 |" N9 ~/ Z9 d1 R VariantInit(&pokeVariant[1]);
2 W0 c- t0 e e' N pokeVariant[1].vt = VT_BSTR;: T2 l* g# E- V( o
pokeVariant[1].bstrVal = itemStr;
, n6 r9 h) m- C1 x6 E" _9 X8 `
) y8 ^, e+ t' U( { {% H topicStr = SysAllocString((WCHAR *) L"system");' T3 E! r; }" I9 s
VariantInit(&pokeVariant[2]); 3 s4 o- [- ?# i& j$ ]& B
pokeVariant[2].vt = VT_BSTR;8 l9 d3 c0 d8 u$ y j
pokeVariant[2].bstrVal = topicStr;
* Q. f4 Y/ e3 \" ^' P; v
. i) r% A& d' E: ^9 _1 w// Set the DISPPARAMS structure that holds the variant.
2 g* g9 {; B8 g0 b, G g
7 T$ V# k6 k1 ?1 O) G dp.rgvarg = pokeVariant;
: N5 |0 O+ [8 k2 M* j8 z dp.cArgs = 3;) V+ M9 J4 j6 ~+ J
dp.rgdispidNamedArgs = NULL;5 T! L9 i( n( ~8 }% j
dp.cNamedArgs = 0;2 e# e5 B8 W6 b& X; E8 \, [
$ o" P* q3 \5 \: g3 O& d; |// Call IDispatch::Invoke()* x% c- P3 e; s) W3 K
8 U7 v D7 L+ }) C2 Z t
hr = m_pDisp->Invoke(
1 r) H1 t: m8 j& i pokeID,) i/ u: R4 V' P0 c) Z5 Y
IID_NULL,4 Q. w, _& _. \& r
LOCALE_SYSTEM_DEFAULT,3 D( b8 k) {+ ^( S: u0 W6 e
DISPATCH_METHOD,% q p8 |: z2 r( ?; ]
&dp,
, M, v3 h# j7 K/ ] NULL,/ _' Y$ f3 i3 e c
&ei," D C, I! T( |( h
&uiErr);
" u9 G) g* Z: {( J2 u( x5 z
2 b7 u0 S: M& l* h SysFreeString(topicStr);" |: Z1 |" `* U! c7 P* S! u0 H) P
SysFreeString(itemStr);
) P4 S( n6 Q4 \# H" } SysFreeString(valueStr);+ d; U! }0 `/ w8 ?
7 ~/ V" W9 n$ w, R/ o1 @2 p
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???
/ B$ r: M, l2 H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????7 B3 F& f V( p6 }6 u
5 A/ H0 l, n/ k3 a8 W
1 ?( C1 M5 c) T; a0 A+ _4 F, \; z/ k2.这是request的程序
- m$ c- d+ O7 W/ v4 v9 Z% x! Z// Request a value from Extend
/ d& Y, a# l8 Z3 B5 a- B//
& u1 W# h/ } N7 l0 Q8 t// Initialize the variant that will hold the BSTR. Set the variant's
* c0 P1 ]! _- Y C; B8 X8 L [ Y// type flag to indicate the fact that this variant holds a BSTR. Place the
5 ?) C) c( O z- c# ]/ y [* s// BSTR into the variant structure.6 G) J+ A/ B; o8 T' ?' }
% w/ W& U. ?+ }$ Y0 ~
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);5 _( G) N/ B3 w9 A* A# h
0 j% p5 f; }( T* Y }0 b! A
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");5 a4 R7 H0 \6 V9 p% f. J
VariantInit(&requestVariant[0]);
* v% A* ~0 h# F! W j requestVariant[0].vt = VT_BSTR;" Z. l- Q6 X. i; a- f9 I( [2 Q7 k( F
requestVariant[0].bstrVal = itemStr;
$ r5 A+ m7 V, e
* C9 h) ~, [! ~5 S% \" n3 p topicStr = SysAllocString((WCHAR *) L"system");
d: H3 |3 D+ l8 @$ G VariantInit(&requestVariant[1]);
' ]' n% m! k! G* b requestVariant[1].vt = VT_BSTR;# K) q5 g* p2 d& f5 t3 k3 Y6 |
requestVariant[1].bstrVal = topicStr;
& i) p6 `' ^! N
! i# w9 t( K" C: d/ d3 w// Set the DISPPARAMS structure that holds the variant.
0 X F3 O. e& P. o/ n/ ]) p$ t% V2 h. c% J0 O$ {
dp2.rgvarg = requestVariant;( u# [. o# @5 l. Q2 o, J
dp2.cArgs = 2;
+ N8 o* i. @9 _1 U/ d* H dp2.rgdispidNamedArgs = NULL;
1 n4 F8 s+ C% T; h, O" O) g dp2.cNamedArgs = 0;5 O8 K' I l3 I/ Q$ J
" P: B, X3 g( v& c6 K: m0 p8 A; N, ^ var.vt = VT_EMPTY;. B- x2 P; u+ `+ u
$ |$ m$ a( x8 V+ U
// Call IDispatch::Invoke()2 Q! p. e7 L9 Z1 v1 C6 F& Z! k6 {
8 u: n$ c, b) L: @) f
hr = m_pDisp->Invoke(
. x. O+ J. Q- `; @2 s requestID,
. D7 r$ Z+ I4 } IID_NULL,- ]$ H- T+ l, w' _' z2 T7 G, y
LOCALE_SYSTEM_DEFAULT,6 a+ o( N/ Q5 i$ `1 T
DISPATCH_METHOD,7 C& l( i" s' y) w/ x
&dp2,
0 R& L, ]$ P) O2 s5 X) f# H &var,
+ O4 `% P/ e& q0 m, O &ei,
5 z' e3 E0 `- p! L &uiErr);
+ J s% f$ J" E8 |1 ?
( H# f i- ?3 A: A, Y5 E SysFreeString(topicStr);
3 G3 `, ?/ K4 p8 a SysFreeString(itemStr);
5 n- u3 [* P+ y. h/ \8 x" q请问该程序是获得extend里面的哪个值?
0 m5 l5 a- y4 q, B; N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???? |
|