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: 4 O2 k8 ?2 A( g8 X1 R2 u3 K& |Name = (WCHAR *) L"Poke";- q3 w6 F K9 Y$ s" o
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hr = m_pDisp->GetIDsOfNames ( 5 F: l# _7 i7 }% O0 W% _# E, p' W7 c7 r IID_NULL, // reserved 5 j5 j+ k. T: S- A1 v6 H9 k &Name, // Array of names to get IDs for . b8 @- U7 u* Q- R/ J 1, // # of names in the array2 B, m$ h: W. \, Z; _
LOCALE_SYSTEM_DEFAULT, // System locale " F9 n2 J& Y9 ?8 z &pokeID); // Array of IDs to fill on output/ @) m* Z/ p1 g+ U& I5 Y
' B0 }) W+ n+ t j4 ?2 {6 ]/ n+ } if (hr) . E- K: D2 Q$ \- ]7 Y$ L' M {6 O0 ]2 ]+ L% J3 q( Q: }. ~4 B
MessageBox ("Get Poke Unsuccessful");9 D4 Y$ s Q+ o- R R
return; ' K$ c( P ~5 q- J4 ?( n- i) o5 X& e } 2 p; [1 {2 ]# ?! N8 f7 ^2 ~ r* S& _) g1 u2 H& W
/**************************传递数据给extend**************************************/0 u" y* n) O% \
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3); 9 s7 E( P, Z1 z: u9 G : ~' t- u# _' ] @0 D4 ?
valueStr = SysAllocString((WCHAR *) L"1232");1 Q$ @; b/ v0 M
VariantInit(&pokeVariant[0]); 2 W1 L% W& q8 v8 h5 k
pokeVariant[0].vt = VT_BSTR; - E6 ?: C( E9 k$ B pokeVariant[0].bstrVal = valueStr;& s |% k5 c4 N+ R# N
8 M. |, d, B% `" g$ Z" @ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); 1 K* R" w$ e# u- n+ ? VariantInit(&pokeVariant[1]); s& N% e; h, F: z2 Y$ b. d7 K- r pokeVariant[1].vt = VT_BSTR;) R u- ~. ]1 a1 Y/ v
pokeVariant[1].bstrVal = itemStr;0 V: T3 T7 ?( ^# `. r2 B
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topicStr = SysAllocString((WCHAR *) L"system"); # {1 f; R9 X0 p; M9 _ VariantInit(&pokeVariant[2]); Y# d. \7 ]4 \6 t" }
pokeVariant[2].vt = VT_BSTR; $ T" A% r+ d7 c# T' M pokeVariant[2].bstrVal = topicStr;: F5 G- W* V8 O) b9 ?9 u
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// Set the DISPPARAMS structure that holds the variant. 4 g) `5 ]3 h. B# ] 1 u7 C' R* K0 Y8 a6 X$ A6 a dp.rgvarg = pokeVariant;/ o* r' }% j9 {( d
dp.cArgs = 3; 9 G9 J4 [' W5 w& C9 s# ~1 Z dp.rgdispidNamedArgs = NULL; G2 w* G; U7 r+ }8 H/ J! r dp.cNamedArgs = 0; 4 n4 p* p" h* y+ b0 h& b 0 Q3 C P; n: g5 b// Call IDispatch::Invoke()* v$ o4 F4 e' k& ^2 n# [5 e- n$ {
. X$ O U6 [8 ~& l, b5 R hr = m_pDisp->Invoke(, d) ~2 h) m& y
pokeID, ; u! o& e# z& {/ K IID_NULL, ' k% V0 C; F; `0 h# K6 A LOCALE_SYSTEM_DEFAULT,, j2 K) Z0 k6 [$ G2 [2 I
DISPATCH_METHOD,' m& J8 {9 z) s0 P0 Y1 z* [
&dp, : R1 d+ z& C7 L NULL, # e$ r0 _& {; I7 u3 z' X &ei, / A1 I' a! z3 q) Q% p+ A' f- q &uiErr);1 d& m% z2 d! e2 \7 T7 [/ F
$ r2 j/ W4 `# ?: _. u0 ?7 N+ Q f SysFreeString(topicStr); " S n( B( I \4 y* U SysFreeString(itemStr);5 j* U6 X7 T% ~$ D1 i
SysFreeString(valueStr);4 y7 W( f1 o/ j4 n8 L
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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???! r1 F) ~' \/ n3 P8 ]) f1 l( R
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????' h- u% r: _; s+ V
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2.这是request的程序/ t: ~* {, T l& l! o! ?
// Request a value from Extend , z- G! E( R5 Z( @/ Y$ A// + o* B# p7 l8 S9 u* u: l% T$ x$ ]// Initialize the variant that will hold the BSTR. Set the variant's. k6 D& X* X; f
// type flag to indicate the fact that this variant holds a BSTR. Place the) M( t8 k2 W. m1 E& m
// BSTR into the variant structure. % `& _6 S1 T8 t6 k9 G ' ?: p& v# b0 M% y# O k requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);( @, `! j6 b, q; \8 q# q4 S