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: + O3 t# M$ \" V8 j+ z6 ~Name = (WCHAR *) L"Poke"; ' q5 i# T3 z, P X; O" _% i ' p6 l' A9 h! n# ^
hr = m_pDisp->GetIDsOfNames (0 o# H$ N" c+ `
IID_NULL, // reserved$ _5 R* a3 l& d4 e" i8 W+ g' e* H
&Name, // Array of names to get IDs for- v5 ~/ Q/ P o$ m0 n$ O g0 p
1, // # of names in the array : O1 }1 x8 N3 z LOCALE_SYSTEM_DEFAULT, // System locale$ [9 T1 ?+ J3 p: M
&pokeID); // Array of IDs to fill on output/ [+ c& Q- F, Q* ^8 k; P( I
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if (hr) % m+ | V2 {0 e, R5 a {6 O N8 }, D, L' C/ W
MessageBox ("Get Poke Unsuccessful"); 5 j& s. Q% P" F$ [! g return;% ~' F A. r4 T- l9 y
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" c/ ?; ^/ @" t1 l. [3 `( B/**************************传递数据给extend**************************************/* c3 D$ |5 n C% d+ l g
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3); 7 d l& ]4 K8 [3 u7 _6 P% A( Y, _9 N , V! Z$ o/ ~" ^$ E2 W, E4 l0 ? valueStr = SysAllocString((WCHAR *) L"1232");7 q c' h# z6 ?5 R8 @
VariantInit(&pokeVariant[0]); * ~$ Y$ k$ [7 K
pokeVariant[0].vt = VT_BSTR;5 v2 `6 x. n/ y" D9 X! n
pokeVariant[0].bstrVal = valueStr; 9 W, l# u& B+ `' [4 r4 Q" F: A* {% m
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");, O- {. D. z3 D9 I' A; M2 G
VariantInit(&pokeVariant[1]); + ]; n) {# ?1 R1 B pokeVariant[1].vt = VT_BSTR; ! A8 S; r k7 ^; R% I9 s! \. u pokeVariant[1].bstrVal = itemStr;% R# Q& ^7 w# F' I
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topicStr = SysAllocString((WCHAR *) L"system");3 E# q! W4 G8 J- g D$ k
VariantInit(&pokeVariant[2]); * g3 V/ m& ?! R" a4 i
pokeVariant[2].vt = VT_BSTR;# L$ K N M7 }6 ^
pokeVariant[2].bstrVal = topicStr;/ H; d# G; f: v
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// Set the DISPPARAMS structure that holds the variant. + F# |3 V7 s* y5 y7 A: {7 S& p/ G1 r7 N! h; w
dp.rgvarg = pokeVariant;3 X/ I" Z& W3 ~, G5 I1 _3 E
dp.cArgs = 3;! g( ~" z, y$ A: D$ c9 V! r: m
dp.rgdispidNamedArgs = NULL;+ c( R7 \/ D" N; P
dp.cNamedArgs = 0; + M1 J* }, _' ? l1 n: V- [9 P& d3 V: Z8 Z" P3 F V) q8 L
// Call IDispatch::Invoke()! T: U& p k+ a( z' m- y1 J
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hr = m_pDisp->Invoke(/ N/ g8 t5 o- |- G# A
pokeID, : A, G6 }4 M6 A1 L IID_NULL, * B! O4 `- c8 m5 S8 Q9 E LOCALE_SYSTEM_DEFAULT, % m* u6 W7 b( N. Q DISPATCH_METHOD," F) X# V$ x& q- K: g
&dp,9 \ t! S, k" G" q2 H+ u
NULL, . F$ E! b# c3 Y3 S' }1 D% t &ei, $ t, I- K& w/ o2 ~5 {! X &uiErr); # I C9 C5 W$ a$ Z' J2 `$ Y% b# j M( k3 d9 f1 Y% v% L SysFreeString(topicStr); # {. g0 J5 g% r+ O8 S SysFreeString(itemStr); * e- l- T1 h/ d# O SysFreeString(valueStr); 9 S7 ?% T. Y+ K) u: k5 k# h$ z' a' l; E. S
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??? : h# g0 A4 b% ^: K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????1 ~2 T5 b& l- G9 r
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2.这是request的程序 $ m; ?! K- \$ I// Request a value from Extend % v3 s4 q3 u s6 c- w* `/ [( y//0 ~. M9 m) x0 h+ ~2 k. _
// Initialize the variant that will hold the BSTR. Set the variant's ! _4 S' ~: a0 O4 U/ k& A// type flag to indicate the fact that this variant holds a BSTR. Place the% V) `, A& t5 H" ?: D: U% e
// BSTR into the variant structure.! f: } G- Y) @' }% ^2 n
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2); % p7 G$ i* o9 B3 p+ x7 \. J g" m; L. |- m" F% ?. l4 A itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); # }/ `/ b X" q& p- ~$ g( B VariantInit(&requestVariant[0]); ) n3 ~8 p5 L, D+ @* w& J2 V( U! L4 X
requestVariant[0].vt = VT_BSTR;' V2 n, n, O4 J/ ~* V W7 u2 M. T
requestVariant[0].bstrVal = itemStr; ' U7 T- p1 X) J* o6 l ?$ D% v6 j8 ?* G& ~; q. N
topicStr = SysAllocString((WCHAR *) L"system");5 q3 H) u% R, P+ B6 M4 k
VariantInit(&requestVariant[1]); / f! _' |7 K5 ?) y+ M requestVariant[1].vt = VT_BSTR;2 A l6 Q9 ]( `# N5 }8 S
requestVariant[1].bstrVal = topicStr; * ^4 Y% w5 X% A9 s& x9 Z% O& l0 f/ i- c+ Q7 [) d+ x0 \. q
// Set the DISPPARAMS structure that holds the variant. 0 H1 ?; O$ S: ^& c# w 6 u9 {: h$ T8 u3 f dp2.rgvarg = requestVariant;0 L& U" D$ {- ^( F, G1 R
dp2.cArgs = 2; U% g+ j" g; X% f3 @2 z
dp2.rgdispidNamedArgs = NULL;* }6 c0 H" v1 {/ Y4 X
dp2.cNamedArgs = 0;0 ~" N. f s s8 G# [
$ \ e d5 L/ a! C: n# v var.vt = VT_EMPTY;+ f& |, B8 J+ B2 |$ q
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// Call IDispatch::Invoke() * R# }; ^; W6 S$ {2 b5 h/ M- k8 |0 j4 X p; s! V( Z" q- i3 V: D1 r
hr = m_pDisp->Invoke( / k% o' \9 C q7 `+ S2 U requestID, # [7 H2 P! j+ o; t/ }$ f7 y3 l6 o IID_NULL,6 ~" u% u7 k- n; V7 ?8 E$ M" ^
LOCALE_SYSTEM_DEFAULT, # n# ~5 K: C! V$ ?+ ?" N9 @ DISPATCH_METHOD, 8 I% x6 R& h/ z" ] &dp2,9 |( d& v5 m; q/ Y& Z
&var, 4 `+ G& y9 V* l6 O% ]8 X &ei,7 j, h. d& {8 }2 [7 W) Y7 R
&uiErr); ; |- K3 p) ]8 K2 ~9 u2 m& b % _, \. D0 f3 o& F- |" W SysFreeString(topicStr); 3 ]! s* D1 | p4 e" E SysFreeString(itemStr); 1 A# X% x+ Y# g+ t j9 w8 n请问该程序是获得extend里面的哪个值?4 Y0 j$ _! P5 L6 ~
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????