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 l0 ]% v; q: k" k3 E3 L/ |
Name = (WCHAR *) L"Poke"; ; _, c; s4 n* f- y # ?: h1 r/ Z( ]: _7 a
hr = m_pDisp->GetIDsOfNames (1 S' ^9 Z; e" p6 ^# {: { W
IID_NULL, // reserved 2 h2 \ J% a$ C; r5 ^& b: [ &Name, // Array of names to get IDs for , T) D5 @6 t! U5 d 1, // # of names in the array + {" M0 t9 S3 q+ g6 q# @/ \# u1 Y LOCALE_SYSTEM_DEFAULT, // System locale 4 C, Y4 T3 e2 H I1 b &pokeID); // Array of IDs to fill on output6 L1 A) O. G5 y+ m
1 V" l" ^+ I9 @' S Z+ m if (hr) ' M4 r9 D4 p4 J3 C8 M1 |9 i2 g { ( w: O- y: M! t/ G. x& x MessageBox ("Get Poke Unsuccessful");: f1 G' [6 |8 U& j
return;! b- W7 S. k3 ], j. `
}7 L. x: F1 ]! A+ C
; N9 G4 {+ @4 `9 |/**************************传递数据给extend**************************************/ . u$ N- S P( u. ^" r5 D/ L pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);9 n5 E7 I5 e: v( J
4 [/ @+ K& J# w; z valueStr = SysAllocString((WCHAR *) L"1232"); 0 W1 V8 J# K$ _# W; C VariantInit(&pokeVariant[0]); 8 d' ~& s$ `, c pokeVariant[0].vt = VT_BSTR;1 ?4 J) i% H% |. L& U2 q
pokeVariant[0].bstrVal = valueStr;2 a4 d4 R# Y( g' Z1 w
6 O$ p6 G5 _6 Y8 k* K& R! k& P itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");% o; Q" H+ }& d# U" R* W
VariantInit(&pokeVariant[1]); 3 j' i- h: H1 K
pokeVariant[1].vt = VT_BSTR; 1 w( c. P9 v3 M [8 v% j6 }) Y! h pokeVariant[1].bstrVal = itemStr;; ~) Q6 g- t4 D
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topicStr = SysAllocString((WCHAR *) L"system");7 M( r! c2 s4 M$ V6 x$ z6 h3 K
VariantInit(&pokeVariant[2]); / \2 x7 [7 Q" e pokeVariant[2].vt = VT_BSTR; . b% y, O2 { g: Q( z" z pokeVariant[2].bstrVal = topicStr; % g% O3 s3 ^5 E) s1 \! N $ g( ?( ?8 S: [9 J( f( ], d- ?) x, O// Set the DISPPARAMS structure that holds the variant. * l9 `# ^+ E% ?: q1 [$ @ + Y+ q8 }/ B8 r0 b+ E$ t dp.rgvarg = pokeVariant; 0 h: j5 J1 Z3 [: b, E dp.cArgs = 3;4 B, }4 H* t4 v" W: H8 F
dp.rgdispidNamedArgs = NULL; * k, B" k3 R4 ?6 |8 s% f dp.cNamedArgs = 0;. p* O4 G/ @+ _8 L( a
' n5 v; ], @/ O5 Z+ y0 ^
// Call IDispatch::Invoke()- m9 p' w. R0 m$ V/ P
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hr = m_pDisp->Invoke(8 G1 Q) E2 N. A$ N, l! q
pokeID,* h/ A; A# o: h7 |/ E% M: y
IID_NULL,- g# O) a8 K+ ~, A
LOCALE_SYSTEM_DEFAULT, f r9 W( ~/ g4 W4 ?
DISPATCH_METHOD,& l) L0 t6 M0 t, ^& s
&dp, . n# }5 r0 y5 D: n& N" U P; Y NULL,5 Z) N5 t8 t. F, C3 U4 w
&ei,: [' A$ y8 I. V. r2 C% `
&uiErr); 5 b# S5 [& N" k8 Q* O/ q! O/ t! i s+ ^
SysFreeString(topicStr);7 t' q' F& i4 s& W' J( s
SysFreeString(itemStr);, l; S2 a' t2 d2 _7 ^
SysFreeString(valueStr); $ y: l7 t+ H4 Y9 M; r6 H6 H; i& Q0 d {( j6 [0 ^/ l5 ]
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??? , S* X% Q" m! c& K+ F3 W5 A; ^/ ~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 g* |& q, l1 f6 ^6 E- X m # V1 M- j8 R: F# y! a % n6 u' ~) o! b7 O2.这是request的程序 ; u! y2 R2 b& q+ W// Request a value from Extend o. d$ I# w: T1 O N s0 e// - d7 A( n2 ?2 V! K" v// Initialize the variant that will hold the BSTR. Set the variant's U# e V5 a+ s7 h# w0 @
// type flag to indicate the fact that this variant holds a BSTR. Place the; L5 F/ \. h8 X2 R' V
// BSTR into the variant structure." l! O; k% Z9 r- |. i# m
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);3 q$ j! A9 k/ ]4 x3 J/ N
& d, }3 Z3 U3 _# D( F% @- B5 z itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); ! x* I4 j$ Y& k VariantInit(&requestVariant[0]); - Y" [- \- T8 [& h3 j' b
requestVariant[0].vt = VT_BSTR;, I$ X7 o6 ~ C6 b7 b) M
requestVariant[0].bstrVal = itemStr;- ]6 D& _- z" Z( N y! o O5 o
% K) {: K5 z1 X
topicStr = SysAllocString((WCHAR *) L"system");3 N `/ v4 x+ A! k2 ?' Y
VariantInit(&requestVariant[1]); . @5 l' O7 D# R5 H/ H
requestVariant[1].vt = VT_BSTR;6 P+ L4 E6 i6 j; C
requestVariant[1].bstrVal = topicStr;6 q7 V# c- ]" G$ K8 @1 R w2 s$ E
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// Set the DISPPARAMS structure that holds the variant.4 a" L9 D Y( @) `1 q+ F5 c) h3 j
3 i5 @3 M8 d+ c8 a2 w- |2 t dp2.rgvarg = requestVariant;1 r$ `0 l7 \" B, X4 _# C
dp2.cArgs = 2;, y8 |+ v, a. p, Y0 s
dp2.rgdispidNamedArgs = NULL; ?8 C& Z H+ s9 |' S8 k
dp2.cNamedArgs = 0; N, W6 e5 x" Q6 s8 I
3 j; A( V1 Z- N" | M& I3 e# R% p var.vt = VT_EMPTY;3 w6 R, g8 d) L/ H6 w) Y+ A) q1 X
% u% I( n p! `) R7 j3 q% \// Call IDispatch::Invoke() " V4 H: _* F+ v5 D( M* s3 z3 c8 z7 }+ H& P3 Y8 ]
hr = m_pDisp->Invoke(. l" v6 P+ {: B0 W7 N* u, h
requestID, 3 k7 A3 }7 Q$ `; i% V% S: d IID_NULL, 9 j$ K4 r. y3 b A LOCALE_SYSTEM_DEFAULT, 9 k U) N, ^5 ?% w6 K# Q DISPATCH_METHOD, 8 x8 @7 T. X3 l8 d: @8 i &dp2,# D6 Q& ]! h- Z: R, W1 \& s3 q
&var,* F& c( q- z; j2 I& x* h
&ei, 9 d! Y; S% V H' F& R, d &uiErr);- b7 D1 B, ^9 V- T- B
/ L7 G3 L! F/ F" F* s0 u* S8 M
SysFreeString(topicStr); 4 K; c3 b4 t0 Q SysFreeString(itemStr); 4 [+ O3 a$ l2 t( B请问该程序是获得extend里面的哪个值? 9 c" H; _, l9 z$ W; O* 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????