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:! X; i/ A+ t% Q* l6 t
Name = (WCHAR *) L"Poke";: h9 ]) ]; P B( Q% U2 a) v
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hr = m_pDisp->GetIDsOfNames (2 \" O7 x0 ?- \ U i* C
IID_NULL, // reserved 4 K4 a6 l, ?! u2 M8 Y &Name, // Array of names to get IDs for . N! H4 G+ L0 l 1, // # of names in the array # G' g, i$ V+ C# H LOCALE_SYSTEM_DEFAULT, // System locale w* K4 W# ]) y/ [' ] &pokeID); // Array of IDs to fill on output- f& Z2 E% V% H0 G
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if (hr), @2 e, t, O( O# Y* [2 n* T
{ 0 q. s& E2 k$ v MessageBox ("Get Poke Unsuccessful");1 T; k+ T$ E `, }& y
return;" G$ x. n3 o& Z/ x9 i# q2 A# y2 C0 B9 V
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/**************************传递数据给extend**************************************/ % P; B, }1 |5 d; w* X! S/ q pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);! Y3 i' B: S$ Z5 I; k
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valueStr = SysAllocString((WCHAR *) L"1232"); + u$ Z5 f, q, q8 I( D6 j; h VariantInit(&pokeVariant[0]); ' _% g8 d$ o: m M+ R, O' Q2 K
pokeVariant[0].vt = VT_BSTR; : Q$ [1 w4 v. z' `( E9 g pokeVariant[0].bstrVal = valueStr; 0 R1 j {) d% K. W; S/ ` G6 t. W* z: b* ~( \8 L8 G
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");+ K* b5 P) c9 t1 g7 P h; ?
VariantInit(&pokeVariant[1]); " m8 |9 j: M# p7 m
pokeVariant[1].vt = VT_BSTR; : i/ ^( `$ p* g8 b7 @ pokeVariant[1].bstrVal = itemStr; % U+ \: d* w* J. J2 X- D$ X, {# b0 ^) s2 r% H2 z& G4 [
topicStr = SysAllocString((WCHAR *) L"system"); 5 T P3 ?7 p! i! P& B9 ? VariantInit(&pokeVariant[2]); : u w/ I3 [) q* I* p
pokeVariant[2].vt = VT_BSTR; ! }; C, H9 I. ]. @( V4 g5 j+ B1 v& h pokeVariant[2].bstrVal = topicStr; 2 B& L; g# e; }5 t( Z3 f+ d2 S+ C) t, M2 M- r1 ^8 S
// Set the DISPPARAMS structure that holds the variant.2 W& e6 u M( v* j
: m9 O$ |) d* u6 c8 d dp.rgvarg = pokeVariant;2 R1 n/ Q( j1 C4 {
dp.cArgs = 3; / r/ I, |6 B& t& x+ M3 x dp.rgdispidNamedArgs = NULL; ; L/ z, A, m7 G: T9 G! {2 l$ } dp.cNamedArgs = 0; " u. f5 d9 c0 X8 s+ G# y3 ?' F Y! i
// Call IDispatch::Invoke() ! i' n0 U) }& o |. x( s" F# `: o0 @* E" _* C, h
hr = m_pDisp->Invoke( # y* K, o2 A+ V# b7 v- R' L pokeID, 6 W, J0 R# p7 |4 ^0 G# d: [ IID_NULL, ) p9 |8 p7 ?, v; F LOCALE_SYSTEM_DEFAULT, & O. m4 |# W6 M* M7 l/ _9 ^. \ DISPATCH_METHOD, ; t+ c1 m, @/ G& g) A; n &dp,% R* z3 d! Z4 B% N
NULL, : t* U5 E5 x( } &ei, / @9 u E$ F' F l$ Y( q+ T9 J &uiErr);) }- ~' p+ r. i5 X t8 I
% p& }8 C+ [; Q" ]- k+ p SysFreeString(topicStr);; v' ^6 F9 p# }0 @
SysFreeString(itemStr); 2 F: f: O" c( b/ t SysFreeString(valueStr); 9 F" S7 L: a& s / \$ C, F' Z7 t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???# o) e( }( D# ]1 ]5 G$ R. W
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????7 ~4 A q( L; }/ |8 p1 c5 }
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2.这是request的程序5 ]5 I! K6 }* F
// Request a value from Extend) X/ C( O) e; b* V/ t Y- |
//) d: w) u; |9 O7 e
// Initialize the variant that will hold the BSTR. Set the variant's% {+ E: `- K7 [1 E& K
// type flag to indicate the fact that this variant holds a BSTR. Place the2 f" B4 l2 g+ V% y, w' `
// BSTR into the variant structure. `4 s/ e" n5 S
. y @& B6 }" q1 @, }7 I requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);* g& w: S C# O( X B
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); - y0 l$ }7 `6 N" m# e! g$ q VariantInit(&requestVariant[0]); 4 Q" x i$ o: ~4 d4 v7 @# O. m) o6 T; v requestVariant[0].vt = VT_BSTR; ! i8 j0 e) O0 N# v* Y8 l/ b( x requestVariant[0].bstrVal = itemStr; + ^3 T! w7 ]. {. Q3 p" Z& t. {6 m
topicStr = SysAllocString((WCHAR *) L"system");- H. t- z- {# H9 P5 H2 Z
VariantInit(&requestVariant[1]); 4 Q# b$ Q; N* x8 H O7 c% m; g requestVariant[1].vt = VT_BSTR;. j% J, N% h& o; o8 A
requestVariant[1].bstrVal = topicStr; 7 m3 I# k: h$ Q6 Z- g! K ' T6 ?0 O4 E* s: p p// Set the DISPPARAMS structure that holds the variant. ; X; ]+ w1 b. E' }$ k5 j5 j% r9 ?4 @- ~. P. K
dp2.rgvarg = requestVariant;9 D6 y$ r5 u/ {& }
dp2.cArgs = 2;. f! J. ]4 n, b) \5 n5 ~1 y2 v
dp2.rgdispidNamedArgs = NULL; 4 s* ^- l! [5 l; E6 x* N dp2.cNamedArgs = 0; % |9 a, B7 z- H* x6 p( ]; O 3 j7 O& g' ^5 P7 C var.vt = VT_EMPTY; ) X# }* m- U2 T9 [5 u2 E4 B9 g- s" D( ^- D
// Call IDispatch::Invoke() v; V* L" G7 q x$ k4 C" z& k- |* D5 z4 ~) x
hr = m_pDisp->Invoke( 0 P; o( t! e7 W$ \( U9 p( y! S requestID,3 g: r& n& {9 Q+ S- u! k
IID_NULL,' H6 a. P* l+ Z4 e8 b q
LOCALE_SYSTEM_DEFAULT, 2 z& h2 @. Q. F7 C, a& o3 O DISPATCH_METHOD,' p; W9 }1 P7 `% q! y8 b: v) K
&dp2, 0 N' N9 ~+ L- [ &var,7 ~" ^; a, }- Y% m! E
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&uiErr); 0 x4 T) A3 o9 S8 z2 _: Y( O% E. R9 ^5 J
SysFreeString(topicStr); ! t6 |0 J; k# Q) q# { SysFreeString(itemStr); # y( Q2 s* j- I# Q9 r% n请问该程序是获得extend里面的哪个值?4 e$ [, k: M, e% R. a
如果我希望获得extend程序里面的某个变量的数值,那个c++程序应该如何实现????