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2.这是request的程序 ' x9 }' e `$ [9 Q// Request a value from Extend, y$ A7 b2 ~0 H' G; `+ }7 l
//$ ^0 ~( f/ A3 A3 s
// Initialize the variant that will hold the BSTR. Set the variant's ; y% _6 w! Y4 U+ Z# s: Y// type flag to indicate the fact that this variant holds a BSTR. Place the" J& |! n4 X7 u& H
// BSTR into the variant structure. 1 R) g& U2 h2 C) G2 ^7 _5 e' t$ }! ^+ e
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2); ) Z4 O% c8 Y1 d! y , v7 A" A; z: U! u6 _
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); U h) ~$ R+ {4 ` VariantInit(&requestVariant[0]); 5 e) }0 M R; k' q6 _/ \* F4 T requestVariant[0].vt = VT_BSTR;$ n+ |/ O5 P) X
requestVariant[0].bstrVal = itemStr;7 F/ s; b0 X. l( n Z1 `* y) ~4 X
) g4 Q- G) b" L0 G8 }. {( b) b6 G5 @ topicStr = SysAllocString((WCHAR *) L"system"); % ^( h/ B7 O+ B, J7 T VariantInit(&requestVariant[1]); : k3 }7 F! |$ |2 g* L+ Q Q8 `* B; i
requestVariant[1].vt = VT_BSTR;$ F9 l' ]6 B" v3 B/ C* \
requestVariant[1].bstrVal = topicStr; }+ E1 x# {6 q0 `7 Z1 _
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// Set the DISPPARAMS structure that holds the variant.8 p% ?7 G* Y8 Y
) l$ K3 f( i, L. H! @" v dp2.rgvarg = requestVariant; 4 O( X* i2 }' c" y: ?% N dp2.cArgs = 2; , j T/ w) G6 D% L" [5 r4 z dp2.rgdispidNamedArgs = NULL;* t! {0 {. x# o \0 V. Z. ?, l
dp2.cNamedArgs = 0;( _9 L5 {& s! L& t& F$ S