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:2 N2 g1 I# M' ]6 E4 E4 q
Name = (WCHAR *) L"Poke"; 3 r# }! h. m) O 9 C* r. V5 t! j* G hr = m_pDisp->GetIDsOfNames ( & V6 U7 x* H# u" Q" n IID_NULL, // reserved $ e+ g: T. A8 f: c. P) N6 m &Name, // Array of names to get IDs for' x% Q, a9 ~2 u! j
1, // # of names in the array+ y) ~: U1 b* B5 `+ F
LOCALE_SYSTEM_DEFAULT, // System locale 5 S$ B% r9 O5 [- W/ U: P$ v &pokeID); // Array of IDs to fill on output . {' x e. H$ l- T ?. _3 W% C ! R" {* ` O" F* i1 ~ if (hr), z% L6 O* Q; d. f- y# o. d# c
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MessageBox ("Get Poke Unsuccessful");; s1 _% m) ?& n Y
return;8 ~8 `4 \2 y5 _- {) Q/ e
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/**************************传递数据给extend**************************************/* y& T: X V# V3 J9 D3 @4 z( K1 g
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3); ( _/ Y7 k. z$ @/ C z 6 r V' s2 I; x- D, E: g1 {. k
valueStr = SysAllocString((WCHAR *) L"1232");. C( B6 b3 i0 Z# i2 c$ z! q. Q
VariantInit(&pokeVariant[0]); 3 u! F- g4 R: j1 l0 i' W z' } pokeVariant[0].vt = VT_BSTR;& ~/ L# K' j4 h. ^: r7 T
pokeVariant[0].bstrVal = valueStr; ' j& F$ U. U" p7 p* \# C# ]& a( f& o6 l9 |, Q! a2 v
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); - I. n% v# W8 ]: V! Y0 { VariantInit(&pokeVariant[1]); 0 N0 O8 |! t" S/ y pokeVariant[1].vt = VT_BSTR; $ \ A3 A5 |( N+ d! [ pokeVariant[1].bstrVal = itemStr; $ U4 ~3 G# T# F0 z . U; ~ b z0 H topicStr = SysAllocString((WCHAR *) L"system"); 5 G9 I6 ]; N- w+ h/ |( ? VariantInit(&pokeVariant[2]); . Q' [' k2 G3 r2 _8 w: y: y* j pokeVariant[2].vt = VT_BSTR;5 r. B' s: C" {4 Q3 v7 S
pokeVariant[2].bstrVal = topicStr;- M( w3 D) |1 s0 T2 {, x8 j7 d
9 R- u. B! ]* h4 ]2 V# D$ Z2 I2 r$ H// Set the DISPPARAMS structure that holds the variant." e% V2 [5 a3 p2 n* `
# T; ?! j h( @- i7 ]' M dp.rgvarg = pokeVariant;* J# Y3 S* [: r$ ]3 M# Q
dp.cArgs = 3;3 v- k: ~ p) R, b P
dp.rgdispidNamedArgs = NULL;* j. k' u$ q$ ^7 j1 X' F: L
dp.cNamedArgs = 0;6 l6 D9 p0 Q8 @ Q- c
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// Call IDispatch::Invoke() ( {+ |1 A ^* \3 I" U : w7 [8 O$ h+ k: U3 t/ M hr = m_pDisp->Invoke( & X& J+ D( ?/ S: _ pokeID,( b; o$ F c+ f- ~, J2 f
IID_NULL, . X+ x) h. m! S0 l, M6 c6 ?3 W& S LOCALE_SYSTEM_DEFAULT, ! l2 I1 _8 q' w. U0 U DISPATCH_METHOD,& ]2 }: q" A4 t* w2 j/ p6 o6 H
&dp, # D. K8 p6 ~9 V# R: S NULL,) {) m' s( w+ ^" P4 A
&ei,! A3 E% V1 X% Y* }
&uiErr); 5 {: w% A: T/ \; O) \6 F9 n4 N, }+ @' ^' n( L; l
SysFreeString(topicStr); ! I! [! ?: b% j$ m) f SysFreeString(itemStr);4 ~! ?. P z- C w X
SysFreeString(valueStr); o$ h1 n6 d& Z% \& ] , S* I+ e. o' H3 d) P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???: m/ f( I/ q1 k0 i
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????$ c5 v( o+ U3 e7 _( {, O
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/ e/ N5 f% K+ v7 z2.这是request的程序 $ g, b1 |' {, X% J# ^// Request a value from Extend 9 l+ r. d L* S: N// ) x9 l: V0 I; e7 \6 O/ [8 u// Initialize the variant that will hold the BSTR. Set the variant's , m3 @$ `. S' q. I }3 \& h// type flag to indicate the fact that this variant holds a BSTR. Place the / n4 {9 X& w3 J0 n% ]8 o @ N// BSTR into the variant structure.. q8 ~! e1 Z. r0 E
/ X5 U. V+ z" C requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);, g2 Q5 p3 j; V" n
# V; r& N+ a5 P0 F8 H T( i itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); 0 Y7 v. O/ d1 z VariantInit(&requestVariant[0]); ; k, q" z8 o; p" A requestVariant[0].vt = VT_BSTR;& A# C! z* X- \: L) t
requestVariant[0].bstrVal = itemStr; $ r9 E) D6 i# i! u. v* v0 r2 i; \) N3 ~# ]& k. w9 p
topicStr = SysAllocString((WCHAR *) L"system");6 @# A7 e+ j7 r- S+ d
VariantInit(&requestVariant[1]); ; ]) B# @) E0 T* Y
requestVariant[1].vt = VT_BSTR; 9 x% Q' c. D2 {6 @ requestVariant[1].bstrVal = topicStr;6 L' B5 f9 `# P; v3 g9 `: ~+ W
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// Set the DISPPARAMS structure that holds the variant., ?% a2 R6 O. D. z% {) W* ~, ~2 L
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dp2.rgvarg = requestVariant;6 v; \, a/ [' J$ `- c8 Q$ D
dp2.cArgs = 2; 4 Q0 Q! y( I( u) q2 D p dp2.rgdispidNamedArgs = NULL; 7 O7 }- k. w, D& {; }3 p# }* [7 t/ F dp2.cNamedArgs = 0; # f# v. ]' l4 @* |6 H: n5 s+ N 1 p b( P# n. D7 `# g var.vt = VT_EMPTY;! e$ O" Q& n7 G' f
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// Call IDispatch::Invoke() $ H/ E+ u3 n0 o4 h0 F$ e4 H% D a; |0 E7 P( }8 S
hr = m_pDisp->Invoke(# v5 Q% h7 E( d4 h; a
requestID,& {8 x& n3 k7 j
IID_NULL, 1 x/ z: J9 {; o* J$ ^4 i LOCALE_SYSTEM_DEFAULT," [' \: V, k" Y% ]1 R- k
DISPATCH_METHOD,+ B3 X* X S9 r6 z
&dp2, # d5 h. z0 V1 f8 o, V &var,: _7 U( v: w5 v: t6 w
&ei, 6 _, }, Y3 A' m' Q0 K &uiErr); % g& ?+ a6 [2 _' K3 G, e; @ 9 q0 D* `: [$ W! d$ M SysFreeString(topicStr); 5 u1 z5 P q" X6 d4 }: S SysFreeString(itemStr);3 F9 F* {4 R2 M0 W
请问该程序是获得extend里面的哪个值?; H$ A2 V6 ^( f5 {! M1 V
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????