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:0 D- c4 d" G/ r8 ~+ h4 T( ? }. Y% E
Name = (WCHAR *) L"Poke";+ u2 @4 C* c% o, m6 B
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hr = m_pDisp->GetIDsOfNames (& y+ G' t# B% q6 v
IID_NULL, // reserved1 ~$ N; R2 t2 O6 f* Y
&Name, // Array of names to get IDs for! t( `9 s9 I' o: l7 a+ k
1, // # of names in the array! ? B- Y" ^/ r0 h
LOCALE_SYSTEM_DEFAULT, // System locale 4 I( ]% x* y/ D/ F, u I4 B- q &pokeID); // Array of IDs to fill on output # Q$ W3 x9 a2 G9 R & \+ C6 |# G) r$ i# Q+ Z$ V! P if (hr)( G) w" H9 l* c. x; Q
{ . Q* S) x5 W; ]' \ ] MessageBox ("Get Poke Unsuccessful");. j1 E, v; k7 \5 B
return; 5 h* h/ ]( A% h1 @( e! i }; B! y. O0 T) P. U: _
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/**************************传递数据给extend**************************************/ ( I' K5 L l/ m: T- J% K5 r1 G pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3); 7 }+ J( i4 ]/ d5 o# k7 L 6 D3 [" W% }5 W; J
valueStr = SysAllocString((WCHAR *) L"1232"); ( A. L& y- d0 V VariantInit(&pokeVariant[0]); + P. w5 h F4 A- @8 X. {. D' P
pokeVariant[0].vt = VT_BSTR;* }1 {% k. k; R: E8 F- c, w
pokeVariant[0].bstrVal = valueStr; * Q0 u$ C4 c& P% E6 k& t% J& D
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); - G7 b) l m1 i; q1 n VariantInit(&pokeVariant[1]); 6 c2 J$ B- f+ i( w# ]) v% w
pokeVariant[1].vt = VT_BSTR;( @% j7 R, J: v
pokeVariant[1].bstrVal = itemStr; " F, D g- ?" l 0 g& k1 j# u! ^" [4 F) I# b) n topicStr = SysAllocString((WCHAR *) L"system");# n' z; f: t6 F( ?" i/ Z3 C
VariantInit(&pokeVariant[2]); ; n! i, W; m) t. ?) n5 w7 z2 F9 S# p7 { pokeVariant[2].vt = VT_BSTR; ! E- a6 L+ K# n R0 \ pokeVariant[2].bstrVal = topicStr; 0 ?4 y0 c) F1 L3 ` % |4 q5 X* S# O9 }// Set the DISPPARAMS structure that holds the variant. , \) I9 o+ ?- {8 U) Q' ]2 g; H( U/ \7 Q; f* L) s0 T Y/ l
dp.rgvarg = pokeVariant; 4 L# s$ E w* t6 ~7 T dp.cArgs = 3;3 m; Y+ `( `" r" i, K, s8 p
dp.rgdispidNamedArgs = NULL; 5 g# t5 F. @1 O+ L" S% { dp.cNamedArgs = 0;3 p( X/ v2 D* K/ ?$ ^, ~
4 t, u' `% V( q// Call IDispatch::Invoke() `" K1 l2 g2 `3 n" C! H; P8 F8 d 8 v8 M# f$ b: J4 R/ w/ d0 @% y$ P% s hr = m_pDisp->Invoke(! R( D: d1 \6 S
pokeID,. \+ ^& w' y- U
IID_NULL,, n2 y, I+ ]8 {9 A" N$ H% J
LOCALE_SYSTEM_DEFAULT,' `3 ]: K& E4 h0 B& S: S: R
DISPATCH_METHOD, + A7 h9 x. T8 C) N- S5 k &dp, 7 V7 ~. V3 W9 W! U8 u$ h- s NULL, t7 x, N: ?/ ^ &ei,; v7 t$ u$ `. d
&uiErr);1 V' ^$ d/ |0 z" g$ r- M
& [4 c( Y$ f2 D$ A# P B2 K SysFreeString(topicStr);7 W: X) S7 U6 k6 p* \
SysFreeString(itemStr); ' Y1 q# l3 E. Q6 T8 d! m9 u SysFreeString(valueStr);9 Z, \8 L* I3 m! N6 C7 t* m, ?
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现在这个程序可以实现将1232这个数据发送到extend,extend有一个对话框弹出并出现1232这个数据,不知道这个对话框为什么会弹出并显示这个数据???5 t' X1 p7 L+ e% n/ ^6 @2 J" P
此外我希望将这个数据赋给extend程序里面的一个变量,请问如何实现????0 O, M* T1 r* I1 f) Z5 h0 k
3 M# l# I" U* T7 E2 @ 6 s, N* A* Q8 K! [+ H* e$ F2.这是request的程序 ; C) ^9 j8 o; c5 k$ d// Request a value from Extend+ {( `' f3 c, D+ D$ `# [
// + r6 h4 i' ?5 H6 N5 u; N0 U// Initialize the variant that will hold the BSTR. Set the variant's ! ~6 X8 ?- }, W6 l9 }// type flag to indicate the fact that this variant holds a BSTR. Place the! \2 Y' D) L0 r' i+ {# U' K
// BSTR into the variant structure. 6 Q) L+ C: |: s5 s! ^4 |: W2 B
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);1 @7 u/ t+ r! K' q