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: # ~% m I5 O, r; X* p, _ T% uName = (WCHAR *) L"Poke";) @4 s2 [! Q0 c& |" B
: q: K; A! j$ `" Z hr = m_pDisp->GetIDsOfNames ( ' Q8 b+ E+ y* a, ?' w IID_NULL, // reserved& j" O( _: _2 c1 b
&Name, // Array of names to get IDs for# {8 L4 u, y1 O" \. J: f0 {* v3 n, Y
1, // # of names in the array( m0 A8 _ }8 A
LOCALE_SYSTEM_DEFAULT, // System locale% @9 r+ F/ B6 C W, e. _
&pokeID); // Array of IDs to fill on output P4 ^: r2 Y, [! E+ {# `% T6 C ' t h2 X6 B& Z1 W5 j8 |, `% ~
if (hr)0 k# n) }: u2 [4 z* R5 i K* o& W# K
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MessageBox ("Get Poke Unsuccessful"); * l/ u4 T3 v4 Y3 b return; 9 O8 r/ p r7 D8 J3 @4 } } ; D9 ?. Q0 M( ?! C( ?7 p9 \1 F) h) _+ m/ C
/**************************传递数据给extend**************************************// N: i U! V. }& l9 s i0 f
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);( }1 O/ l6 }' E- A" t3 x* X# m* u
/ t* Z9 T5 B( d/ j valueStr = SysAllocString((WCHAR *) L"1232"); 1 I% E% u/ Z1 \6 {0 }3 | VariantInit(&pokeVariant[0]); $ Q; s3 j; }$ `: f; O6 N pokeVariant[0].vt = VT_BSTR; ! B: B' g9 A5 b6 i7 f# v5 b% B pokeVariant[0].bstrVal = valueStr; B& g* ^0 \) v! P( I/ O! Q6 ~/ f# M* n& |8 W
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); ' s+ P0 Y3 d' R' x VariantInit(&pokeVariant[1]); 2 b- `# q9 X2 N" O' A; u y pokeVariant[1].vt = VT_BSTR; # c& i: L9 |3 e, R4 P. s# k! i* u pokeVariant[1].bstrVal = itemStr;& W4 J! c8 t2 a+ n T* I/ y
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topicStr = SysAllocString((WCHAR *) L"system");& e8 _- g2 Y$ W+ i
VariantInit(&pokeVariant[2]); " }# v3 o& `9 P8 o! l' t' ^
pokeVariant[2].vt = VT_BSTR;8 y& i8 u! L9 A3 Z: y
pokeVariant[2].bstrVal = topicStr;( J; {: P( H& m C) Z
$ O+ |' I3 |' \" W2 h// Set the DISPPARAMS structure that holds the variant.# o. W9 E4 d6 c6 r5 i7 [& ~& `) F
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dp.rgvarg = pokeVariant; 1 j' x7 s4 p4 y F) y dp.cArgs = 3;5 \, Z$ w# E" w0 y- b0 Q
dp.rgdispidNamedArgs = NULL; . G8 D% s! d: T. \ dp.cNamedArgs = 0;- ?7 O: [3 g2 ~; s" K; g/ S