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: 9 [6 I9 W: Q: t3 l h9 Y0 VName = (WCHAR *) L"Poke";2 d# T7 X5 o" K( A3 L
c( O0 w) f- ?8 G hr = m_pDisp->GetIDsOfNames (' m) y+ ?) o E# L! A0 b
IID_NULL, // reserved+ w1 D$ O" e4 ~# w
&Name, // Array of names to get IDs for! e- T) ?0 _6 o! x. B) k" Q' L* Y
1, // # of names in the array 4 I1 B$ y4 e9 }; d, t! B LOCALE_SYSTEM_DEFAULT, // System locale2 |1 ]" {8 V* n* F
&pokeID); // Array of IDs to fill on output2 N. D6 u' N$ C, v) x- }
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if (hr)8 m, l) u# G+ C q- L
{$ v X% N6 ~5 }) ?% L5 x5 D
MessageBox ("Get Poke Unsuccessful");2 F/ p; }% J! @3 Z" ~" i2 K
return;1 B3 T3 a0 l I; [% W
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5 s7 k/ Z$ ]! a1 z: D/**************************传递数据给extend**************************************/ - @$ E* e5 Y8 k$ `/ h& Q% R pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3); / f1 W, Y- n- B4 F- O% \ 8 D' K, P7 O, \' m valueStr = SysAllocString((WCHAR *) L"1232");2 C/ Y2 f: v1 I9 p9 N
VariantInit(&pokeVariant[0]); 9 b5 D7 W: s1 ~7 B# _/ t2 ?
pokeVariant[0].vt = VT_BSTR; % e J/ s6 c+ C$ V ^+ q ]9 w pokeVariant[0].bstrVal = valueStr;' w: k& w, C9 d0 H) H( |: Z
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");3 f# Y# b1 [/ H+ m( v
VariantInit(&pokeVariant[1]); ; X/ B: {( ?7 d1 U0 F' {* L
pokeVariant[1].vt = VT_BSTR;7 o, b' U2 A) {# U0 N7 ?& n
pokeVariant[1].bstrVal = itemStr; $ E& c; w0 w4 A; U5 Y$ A8 R# k8 ]. {5 H" \
topicStr = SysAllocString((WCHAR *) L"system"); * D+ j' `6 I. [0 Y% m% n+ _5 N VariantInit(&pokeVariant[2]); 0 }: v' S9 [7 R0 n, g( R l; C
pokeVariant[2].vt = VT_BSTR;( V; ], B0 k! D4 s. T
pokeVariant[2].bstrVal = topicStr;* g7 A( ?% ?+ m- L. \
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// Set the DISPPARAMS structure that holds the variant. + t0 z1 q, H0 z6 N- G# R" T4 q" T7 H/ H6 S
dp.rgvarg = pokeVariant;4 T) P# q* ?& N/ s, ~6 ~: ^
dp.cArgs = 3; ( r2 X, V5 W: g$ i% Y* ^ dp.rgdispidNamedArgs = NULL;6 Z3 G9 a0 G9 C
dp.cNamedArgs = 0; ? l& z. N* p5 b" m( j( Q* h, A9 g8 @
// Call IDispatch::Invoke()* Z! t! f( X3 [; l3 \, }
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hr = m_pDisp->Invoke( . g; I$ y2 o( t5 m# \" c pokeID,4 t0 ? \# p# |9 K9 e% [# {
IID_NULL,) G/ A4 o& l- U, P6 G& c. M) I
LOCALE_SYSTEM_DEFAULT, % z7 m, I# W0 G1 b% q' `$ N% ~* N DISPATCH_METHOD,& E1 B6 d ~; L% e: ?: V5 e- ?
&dp, ; k- g/ q6 t) V; Z6 |# a- R NULL, ' r. E: u1 C# q &ei, ( L7 m7 c% @- n' W c6 d+ A# h &uiErr); d+ R# X4 [0 s: ]4 M8 P# w m! K. Z3 l6 _4 N SysFreeString(topicStr); # E( f# f" e- K5 R- ~ F SysFreeString(itemStr); ' ]' A8 A! c1 v, Q% f; m SysFreeString(valueStr); 7 U# }8 M# I8 l9 V( P2 ~' E3 p9 ?5 Q( B7 X) N5 p( J! }! x7 k! 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??? $ ?& G8 W% h2 H1 u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 J7 n4 T' i $ W' L D6 j) h' K& A+ ]! y; w 7 W# y9 y- U. y- Z* O, P: L4 [: n2.这是request的程序- Z Q% J+ Q+ ?) x; [- j4 Q3 r
// Request a value from Extend1 A2 X- z" d" V+ i: Q
// ) r7 o* S4 a3 `// Initialize the variant that will hold the BSTR. Set the variant's $ Q( M; w% @0 x# Q5 ?( E. _: k// type flag to indicate the fact that this variant holds a BSTR. Place the ( g& X2 [7 L' J6 v( @; c// BSTR into the variant structure. $ x+ m$ ? H8 j: B6 L 0 Z( g) D. {' j+ S: t8 i2 m$ G7 }/ |5 @& | requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2); . K( P9 ~9 t$ J + |2 U/ G7 Y" @- w6 l
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); 1 v+ J! p( m% q5 u9 e3 b# _/ ? VariantInit(&requestVariant[0]); ! h i& \; @7 w
requestVariant[0].vt = VT_BSTR; ) ^2 K- ~ z' f, E( [0 V- F7 B9 B1 F requestVariant[0].bstrVal = itemStr; - I( m5 t7 ]+ A4 @; \1 W# G 5 o4 `% Z5 R0 R. G3 R% x topicStr = SysAllocString((WCHAR *) L"system");+ O& z/ b; w" \4 i+ ?
VariantInit(&requestVariant[1]); & x* R1 I: [# H8 f" ` K( W* J
requestVariant[1].vt = VT_BSTR; + `0 m9 ?) h0 m2 C0 B requestVariant[1].bstrVal = topicStr;9 i* j7 x+ C4 z2 K
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// Set the DISPPARAMS structure that holds the variant." ?6 |6 e' T4 ~) d6 [