. b, t( f$ F4 m& ]2.这是request的程序 & W* Z/ h5 F. ?, t9 x// Request a value from Extend8 T, b- G" q9 O( k# `1 y$ S
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// Initialize the variant that will hold the BSTR. Set the variant's; }4 E: a& P3 K. f8 n
// type flag to indicate the fact that this variant holds a BSTR. Place the) ~) n5 B4 M4 p8 U
// BSTR into the variant structure. / {: r& @! i8 _ $ c0 ~: c$ f" m& G5 c+ j requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);. z5 o9 s$ D8 h) p) Q
9 ~9 }+ U5 M. r% k itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");/ Y( `" F9 |! I+ k1 ^
VariantInit(&requestVariant[0]); 8 W% f1 B% h' j requestVariant[0].vt = VT_BSTR;, c, O' K$ x) T+ }
requestVariant[0].bstrVal = itemStr;7 b+ Q/ b" I6 f; Z3 [$ v$ n. N
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topicStr = SysAllocString((WCHAR *) L"system");3 H8 }; l- |# |' M, }) Z
VariantInit(&requestVariant[1]); 1 x o/ w$ {' N* W# w" j+ v# K requestVariant[1].vt = VT_BSTR; 0 v8 C8 {& C$ o& L4 f requestVariant[1].bstrVal = topicStr; . @! G: t( V; ^# p$ \9 W% p7 M8 Z2 X9 q0 @
// Set the DISPPARAMS structure that holds the variant.( D* s% U! E. y, e% T( b
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dp2.rgvarg = requestVariant; 9 F/ c9 T4 \( a dp2.cArgs = 2;# N3 a; ]- O" Q9 t; c
dp2.rgdispidNamedArgs = NULL;* H" b+ h' D7 O* s( S
dp2.cNamedArgs = 0;2 _8 n- v' |7 ?' U. l
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var.vt = VT_EMPTY; - z A; r/ I4 K! x( D. V0 n( ` i 2 P* y! i( u3 I) [+ ?" P6 R. q' m// Call IDispatch::Invoke() " @% W+ a, E6 O) B- n* u* }# C" V( q$ X8 R+ w
hr = m_pDisp->Invoke( + y2 U7 x& e; i requestID,: n* y7 ?; U9 F T; W2 G2 |' L
IID_NULL,+ r; M: K/ w% g/ k( h3 ~* b
LOCALE_SYSTEM_DEFAULT, * G# E# T2 ~$ L& B- s# L* H DISPATCH_METHOD,9 m0 n/ E' F. A0 S4 W$ l D
&dp2,. i6 n- c! I' b% M: F
&var,9 f) ?4 Z* g# K- z- u" z
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&uiErr);; ]! o! _% W1 O- e