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: ( P) m- l6 i/ x d* h) GName = (WCHAR *) L"Poke"; . y1 ?: K7 r( O* v1 d ' i5 j- e7 B! U! A, X+ T. P hr = m_pDisp->GetIDsOfNames (! p/ D9 ]0 }0 T# |% J5 ?$ X
IID_NULL, // reserved7 z. I' r- x( h6 m, P. K* Y6 t
&Name, // Array of names to get IDs for : s$ [ u9 E7 ~( @. m/ ^# f8 O 1, // # of names in the array5 _2 V2 W: U7 [) Y
LOCALE_SYSTEM_DEFAULT, // System locale# Z! } `1 A8 R6 b9 U" R
&pokeID); // Array of IDs to fill on output* e/ u" _3 x* S
: ], Q; b9 w- Z/ l if (hr)) u+ {+ } t7 V8 A3 a3 U$ |1 P& Z
{, o D, R( @! a) T
MessageBox ("Get Poke Unsuccessful"); 5 u- t7 ^$ k& q, k( G# D return; ( c2 e8 B2 j5 ~6 G7 } } 8 g2 f8 D0 r9 O, g ) |% }( S# T2 K/**************************传递数据给extend**************************************/ ( B' D( I1 E, w& i; q+ } pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);* t# M' b1 E: S9 m( J7 g5 Y; o+ s' y
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valueStr = SysAllocString((WCHAR *) L"1232");& x) d( r! A% r& B
VariantInit(&pokeVariant[0]); , f6 {' C; k, d/ L& D: |
pokeVariant[0].vt = VT_BSTR;- c3 ~- `& e2 {: Q$ U# _2 u# S
pokeVariant[0].bstrVal = valueStr;8 X1 [8 K3 x9 g- X5 U- g
% T; X2 h9 @$ I+ {- b/ T( _ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); ! X( c) j4 u( Y j& X' e VariantInit(&pokeVariant[1]); 6 v3 ~* P% @ P( q3 m pokeVariant[1].vt = VT_BSTR;4 ^1 m7 T) _2 S
pokeVariant[1].bstrVal = itemStr; $ ?. W# T$ u [& k* w: u- e( ]" q+ ]+ V/ }% [* f( n
topicStr = SysAllocString((WCHAR *) L"system"); ( K. j6 n$ p$ G/ c) Q VariantInit(&pokeVariant[2]); . `. g; x8 u, \* \4 n& L* K3 E, Z; R pokeVariant[2].vt = VT_BSTR; 8 T2 d2 N+ ~! ?4 h4 g pokeVariant[2].bstrVal = topicStr;6 q8 P; y& j) T
% h* p1 X1 t$ R q5 Y; h+ B// Set the DISPPARAMS structure that holds the variant. 9 ^, r" f9 j7 m1 r : `8 _- \5 ]1 p/ O2 A: | dp.rgvarg = pokeVariant;8 J6 b4 u) G, W( |2 W8 Q$ k- n: x
dp.cArgs = 3; * d* c/ c7 Q9 |$ P$ h! B dp.rgdispidNamedArgs = NULL; * x* X$ w/ f9 ^$ j* \ dp.cNamedArgs = 0;( t, l# I* u! w! j1 d2 O3 X+ w) i, w