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:6 q% Q6 \( a; Y' v
Name = (WCHAR *) L"Poke"; Y v( `/ B7 [7 v8 t/ w ) W, `, l+ k8 }1 u6 \" A
hr = m_pDisp->GetIDsOfNames ( ! ]. F4 ?! y: u( a7 l IID_NULL, // reserved & [: t' v; X7 k d, ~5 S &Name, // Array of names to get IDs for ' i0 |6 v- y$ k4 U, K$ t1 ~ 1, // # of names in the array 4 e& M. T# h$ s8 D% G, ^6 Y LOCALE_SYSTEM_DEFAULT, // System locale% q; T& Q0 B9 q* _. l1 u/ |
&pokeID); // Array of IDs to fill on output % l4 X1 S& }* `- v0 t , M) s* q; G. k1 z X
if (hr)9 x- x' @* g7 ~# g5 D
{/ w3 K' s* A' t! z- S) s: g( N3 w
MessageBox ("Get Poke Unsuccessful");4 W7 M5 K+ I+ V0 C) M
return;) a( _8 M. @' V$ A
}0 k. l1 M4 m) Z" p# t/ ^4 B# c
/ ~/ ~; T/ K+ ~! I/ M; m" H7 v/**************************传递数据给extend**************************************/* }# \3 b' [' e/ U% S. ~7 T
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3); $ c ^' e( J9 L ; Q1 m2 I* c: h" L9 v' ~ valueStr = SysAllocString((WCHAR *) L"1232");0 S; [( D* e6 G8 C% P
VariantInit(&pokeVariant[0]); 0 W2 r0 }6 j2 X" [3 q# ~ pokeVariant[0].vt = VT_BSTR; 6 Z w' v8 j2 w pokeVariant[0].bstrVal = valueStr; ( @( l0 {" Z( m' e4 l. B : ]4 D0 v' C% ] U; a) L0 C& e3 u7 _ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");. c; ?; x7 v- [& E; u
VariantInit(&pokeVariant[1]); % Y% m! L( F' a+ p5 V/ K pokeVariant[1].vt = VT_BSTR; 0 x+ s, K4 p/ w* D" } pokeVariant[1].bstrVal = itemStr;% x+ T) Z5 r; K) e, h# t7 h, W' z" |
/ O6 g1 D" m; B5 u8 b" E" x1 B topicStr = SysAllocString((WCHAR *) L"system");9 K# r# b# T; |
VariantInit(&pokeVariant[2]); ) B U* y% X* B8 [4 J. V
pokeVariant[2].vt = VT_BSTR; X0 ]* ]2 {! u8 e8 J' b
pokeVariant[2].bstrVal = topicStr;6 a; J$ l0 y( A: z- N5 q
( z# |1 y6 m; D' z// Set the DISPPARAMS structure that holds the variant.+ p9 g) ~3 Y" m1 Q
8 L2 s) T' k! P! J4 d1 Q
dp.rgvarg = pokeVariant;$ U$ k3 o# I+ }7 ]4 \" e9 n3 H
dp.cArgs = 3;# n: m: e2 [# @9 F( B
dp.rgdispidNamedArgs = NULL; i0 `: X& X) K: K! L dp.cNamedArgs = 0;0 v* x/ q0 [9 t