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:, ~6 H3 e0 ^- x! r' V/ v
Name = (WCHAR *) L"Poke"; " Y, c* J% U2 D. Y# y5 u* E' v9 x + N8 o" o8 n7 x1 m! ]
hr = m_pDisp->GetIDsOfNames ( + ~" z7 K7 r K& a$ _# `- e IID_NULL, // reserved ) }/ l) B8 @2 v- Y1 x1 F: b &Name, // Array of names to get IDs for 4 f7 A, @" t! h4 p' d 1, // # of names in the array 1 j9 w9 x7 M0 B; v! U1 S LOCALE_SYSTEM_DEFAULT, // System locale . ^* v4 j& y# L &pokeID); // Array of IDs to fill on output* c0 \5 z3 @8 O( u/ S2 F; D
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if (hr) . J* M6 n5 m* U. H- a$ P2 z { " H9 p L) d3 t4 d MessageBox ("Get Poke Unsuccessful");# h! I% z. n; B/ u. r, e
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/**************************传递数据给extend**************************************/ " u. P8 J2 d) C3 f pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);6 o2 L9 U4 S& O
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valueStr = SysAllocString((WCHAR *) L"1232");/ i8 O8 M/ |* d. g4 D" A" M2 M
VariantInit(&pokeVariant[0]); ' @. o5 H9 Y" }. [' p' D% w& v5 H pokeVariant[0].vt = VT_BSTR;) E2 v# h3 B5 j+ V
pokeVariant[0].bstrVal = valueStr;9 b# s9 H( b" p5 K: y; W
" _+ U4 E# r% o3 C1 X$ J itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); 3 G* J# _- _1 A VariantInit(&pokeVariant[1]); # o3 g( k! u w; a) L) N
pokeVariant[1].vt = VT_BSTR; 6 R+ p% l6 B2 I6 V' C$ k3 k pokeVariant[1].bstrVal = itemStr;5 @0 n) `. Q! w3 w. M- A K
# f( L @" g) p& } topicStr = SysAllocString((WCHAR *) L"system");4 N! n t+ ?+ B5 ]+ E# m& `$ F* r
VariantInit(&pokeVariant[2]); ; m c5 D% P: c7 \8 v' P pokeVariant[2].vt = VT_BSTR;, x1 _! D6 w8 g. M, Q3 B+ I
pokeVariant[2].bstrVal = topicStr; + z- C: @0 u7 M q& G: `3 E$ Q e # F- e( ^& o7 P+ z ?3 O// Set the DISPPARAMS structure that holds the variant.: u3 S4 d, `4 C* X8 W, R
9 R$ b# V) D4 D" O: C4 P+ E, V dp.rgvarg = pokeVariant;! D1 T1 N0 r) b1 j
dp.cArgs = 3; , k' r4 e% @( |. F( @8 k dp.rgdispidNamedArgs = NULL;% I: V4 _4 I( ]$ N: j
dp.cNamedArgs = 0; 7 T' @8 {* |6 H2 T5 i1 r9 }/ Z& \. _( f6 a1 w. ^* N
// Call IDispatch::Invoke() r4 k* A. p4 Y1 |3 r q
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hr = m_pDisp->Invoke(* J4 B, s" b( y/ ~3 }9 o
pokeID,% n6 K& f2 w0 T: `0 ^& u
IID_NULL, ) r/ `$ h0 v+ V$ s( Z) G LOCALE_SYSTEM_DEFAULT, 5 `# S0 B" X8 b DISPATCH_METHOD,, }3 g. ]! K6 {1 p5 T
&dp, 3 \- u4 \6 k+ q" K+ K; H NULL, ! ? j5 c4 m. X: j) S- k$ u &ei,( t* D! |/ [1 G# j8 O
&uiErr);: \7 Y5 o2 I7 \; V- E5 a8 G
& m, ]: K, ~- ?# Q, A SysFreeString(topicStr);; T; F" |( C) G' j) Y/ }: F3 t
SysFreeString(itemStr); , E& s7 a1 n! F% I- F1 L/ t3 R y [, } SysFreeString(valueStr);0 Q% k, d7 f6 j9 n9 y3 a; |
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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??? u) i1 g( N6 a4 b1 }
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????: n* A. I" h8 f ?. o
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2.这是request的程序 $ c: |0 n4 w% p3 M. s% k- q' S// Request a value from Extend0 i+ g0 F( D; }1 x2 B. H2 \# ]
// $ e7 o( `7 Z# B0 d1 J7 o// Initialize the variant that will hold the BSTR. Set the variant's 3 l" f$ X6 C0 h) {: S9 U// type flag to indicate the fact that this variant holds a BSTR. Place the : m* o5 L+ G/ I6 Z; i// BSTR into the variant structure.1 V: h* E7 Z" U U1 X( u5 ^* l+ U
* `7 }9 O: Y6 ]$ V# Q9 w requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2); * L0 I0 {& n' z1 K% a) i G' z8 i* _0 }
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); : Q6 n, ^1 ?( p! g4 ?4 J VariantInit(&requestVariant[0]); + A% _6 {, A( r% s h6 b* ^! U
requestVariant[0].vt = VT_BSTR; ) n ]7 k0 e4 |$ {/ e requestVariant[0].bstrVal = itemStr;( R5 @2 K& e9 T
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topicStr = SysAllocString((WCHAR *) L"system");- f( I0 |7 q& s+ n/ _
VariantInit(&requestVariant[1]); 3 e% Q8 i5 w6 ~3 y7 x0 t
requestVariant[1].vt = VT_BSTR; ! F) t7 `! E5 c. o requestVariant[1].bstrVal = topicStr;, s. h) D, w* F8 i* m' J
( h; w8 ~+ s& f, q// Set the DISPPARAMS structure that holds the variant. - b' Z! Q9 ]9 T1 {1 y 6 m p* m6 B# y/ p dp2.rgvarg = requestVariant; 9 h' T- |4 P) m) {2 n- d dp2.cArgs = 2; 4 }6 }$ l& U2 @/ g8 ~ dp2.rgdispidNamedArgs = NULL; " O) A8 b8 g+ \ dp2.cNamedArgs = 0; * D+ O: I ^ v' Y: E4 b" P# a' t/ j8 v) X N9 a
var.vt = VT_EMPTY;* U, n& i& p. r2 G3 m
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// Call IDispatch::Invoke() % s6 D( K: Y6 K" \0 N 4 ]* E' O) K* I6 c4 _ hr = m_pDisp->Invoke( + m) C( i: K* u- J% o6 r* x8 W0 s, x requestID,& _2 \! }# c7 G) w
IID_NULL, ) ?1 a+ C4 d7 ^2 o1 {2 M LOCALE_SYSTEM_DEFAULT,9 b* u2 v2 j7 Y' d1 R2 h
DISPATCH_METHOD,$ W W0 w3 a0 e- C6 p
&dp2, 5 }4 ~4 Y6 P! i4 H+ e+ k &var,& p# V! y4 h$ W, P) L- k4 S
&ei, 8 h! I% _; W# C& u. F. r+ A$ A &uiErr); ) K8 G7 w- S$ z* e! j( v, m0 i $ P* ^& Q0 Y: X: e" k( j SysFreeString(topicStr);/ D6 e4 m, W! q! ~8 p) L' @
SysFreeString(itemStr);1 P* I; ?4 d* @; ^; H9 I' v" u
请问该程序是获得extend里面的哪个值? 5 b2 X7 `- m$ C- Q& p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????