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:! t: Z# R! v5 A. v ?. p, t' ~
Name = (WCHAR *) L"Poke";& q* C1 S9 K- ^( N
5 H# I8 v6 P' U- P& u$ f' Q9 z hr = m_pDisp->GetIDsOfNames (4 t4 }* a4 | `
IID_NULL, // reserved 6 H" U0 R, l) e! e7 O &Name, // Array of names to get IDs for- L& e: H# [8 `4 \
1, // # of names in the array $ H# G6 X7 n' B' k. U( v) Q LOCALE_SYSTEM_DEFAULT, // System locale( ^! j8 }( Y: W$ x
&pokeID); // Array of IDs to fill on output ?( J! h4 O! x! T
) m% D4 a6 c$ [$ y) B, S7 a if (hr) - ~* T! i- Q9 k# x* `7 X! U {0 O* Q* W( P7 D# j$ x- e
MessageBox ("Get Poke Unsuccessful");3 M* {( f: S; n# F
return;7 E8 I9 r% l* {1 X4 Y
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. U& g9 ~( } f% h" k+ k
/**************************传递数据给extend**************************************/2 m# u. a6 a, v! P) B) R. w0 |5 Q
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3); 0 F) U- k0 w* c1 e* {0 U- Q+ N! I8 l * o: p! p$ j+ n7 b/ M+ G
valueStr = SysAllocString((WCHAR *) L"1232"); : b+ u( i/ L0 f+ U- c VariantInit(&pokeVariant[0]); ( R1 z d R$ G4 k pokeVariant[0].vt = VT_BSTR; ) v0 u. F" a8 U+ r5 u! S pokeVariant[0].bstrVal = valueStr; , c7 J) K% k9 O2 h& d) `" b/ f( q0 o0 B$ [2 L$ H) E8 Y- c. G; B
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");! Z7 O0 B/ L) v" d' X) j
VariantInit(&pokeVariant[1]); 5 n5 l/ k8 x- f) @8 D" @; ?9 k$ T
pokeVariant[1].vt = VT_BSTR;- ?% F$ Z/ u6 F/ U6 p+ i
pokeVariant[1].bstrVal = itemStr; # R# m/ V9 V0 X; E4 p # }6 H# ?8 |! f v0 W: Q topicStr = SysAllocString((WCHAR *) L"system"); $ u& X9 g; |, e# S! m I3 r5 G VariantInit(&pokeVariant[2]); 8 }' X& [+ W2 r7 q. Q Q, M
pokeVariant[2].vt = VT_BSTR; ) H2 [4 G1 |& e8 v3 x pokeVariant[2].bstrVal = topicStr;; L, i1 B: W7 S. q- A, t& W% k
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// Set the DISPPARAMS structure that holds the variant. + X6 K, f( t8 M1 b8 h ' |, W+ E- o. s8 i' c2 f% v dp.rgvarg = pokeVariant;' a' f' M! Z' U. q' E
dp.cArgs = 3; 2 |. l4 Y# `. G& X$ P dp.rgdispidNamedArgs = NULL;2 z( j2 p, y5 z* m/ M
dp.cNamedArgs = 0;$ q8 R6 v- ~4 ~1 l8 `
7 N( u+ `7 V# |. \1 e9 G5 q
// Call IDispatch::Invoke()8 W- \$ V. x( J$ s6 O, E" }) X
. S; F- b! u- F. @) @" h& k3 B hr = m_pDisp->Invoke(; M5 C7 s* ?" E! b
pokeID, 7 I: }! [' l7 ~* }( _, x IID_NULL,( N' E! \; u2 M4 A- ?
LOCALE_SYSTEM_DEFAULT, " c/ n/ Q: D8 w2 p" y7 a% j DISPATCH_METHOD,4 p% j& s# u6 x0 X5 h
&dp,1 v, _1 ?& g: ]/ n. d, t8 h9 C
NULL,. p0 W1 [% y3 t" l, r% z* |5 J
&ei,9 U. c& T+ F3 R# N5 }, A7 E
&uiErr);/ F/ t: X+ r7 z. z5 j# k8 u$ a, i; c/ i
$ v; S) j" `: C- f* O SysFreeString(topicStr);4 \1 I k! ?6 ]( U7 E
SysFreeString(itemStr);3 R4 t- U+ g1 k2 J% R0 r/ t
SysFreeString(valueStr); ' x" X; w" x. _ * N8 {( _+ V l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$ m: J3 I5 x
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 [1 W8 H4 [3 r& e1 F " D+ N* ]6 ^/ r! ~/ D) ?' N) C( O+ {- r
2.这是request的程序 6 P- a# ^, {* P/ O3 o// Request a value from Extend, u5 Y7 \% l3 @) S" n6 w3 d
// ( y1 W+ z$ e& _ |/ _// Initialize the variant that will hold the BSTR. Set the variant's 1 x& u* N5 t# q// type flag to indicate the fact that this variant holds a BSTR. Place the " a' Y, J6 t/ A. c/ r// BSTR into the variant structure. & _' f/ I9 p! i4 }0 o1 C7 R) f# ]* V
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);6 q$ D8 N' y' v
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");" l6 H6 ~& K( S, i. S# |/ Q/ s; p
VariantInit(&requestVariant[0]); 5 @/ O+ d2 C, q' h+ o8 {; d8 q# H requestVariant[0].vt = VT_BSTR; ! W& R6 m2 h- {- m* N0 H. r- p: b7 r requestVariant[0].bstrVal = itemStr; 5 o* d2 \. c7 j9 I, O- |: {6 H2 F0 d6 e, T
topicStr = SysAllocString((WCHAR *) L"system"); ; C2 B) k) C. ?- f9 Q) m6 h VariantInit(&requestVariant[1]); * E5 {) {! Y$ P! v' J
requestVariant[1].vt = VT_BSTR;1 ]" J: C3 J- v9 o: x' ]
requestVariant[1].bstrVal = topicStr; - R* ~+ u; @) X ) ?/ C& s! ^/ P! `3 k- a! y// Set the DISPPARAMS structure that holds the variant. 9 B1 G& P& q& ]! C- w' W! M6 f) z6 [# u ( s1 L; d" A* w5 m dp2.rgvarg = requestVariant; 3 g0 _6 t6 p+ B( h6 k: O7 _ dp2.cArgs = 2;8 h5 V( j0 ^( L1 G2 h
dp2.rgdispidNamedArgs = NULL; ) N% P! l; D( ^8 T& W. ~( f! L dp2.cNamedArgs = 0;/ ^1 v( O- K4 K7 s0 q$ E% K
: \5 n, t- G3 [" H var.vt = VT_EMPTY; : h+ t+ I0 w( ^$ v6 S$ L/ k 1 i) Z4 f( p0 O& k7 b- E6 V// Call IDispatch::Invoke() Z( E2 ?) Y$ j ( T1 g% f. ]' y' Y: m Z; { hr = m_pDisp->Invoke(+ P* ~* ^9 g- Q5 K
requestID, ; y8 v( U# P+ o IID_NULL, 9 o: u3 ?% Q- X2 L/ Q' ~# h) P LOCALE_SYSTEM_DEFAULT,( t `2 u/ `8 S; F; L' x6 l) H
DISPATCH_METHOD, * B6 C m% L0 s &dp2, * n6 c+ F% i$ G- [# J( o5 J &var,1 T) W, r' f) E+ h( Y
&ei,8 d0 ^% Q) E0 _6 @' v( K
&uiErr);" Z0 C$ ~4 [! C4 A$ Z6 d+ Y
. Z& `; h* N5 m, c; l SysFreeString(topicStr);2 w1 @- a3 H! h+ ~) [3 E, @) g
SysFreeString(itemStr); 3 C0 I- f) ]; \请问该程序是获得extend里面的哪个值? 2 O" R! F) N# d4 N. k1 T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????