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5仿真币
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:; X3 v2 V4 v3 {( c: W' Y
Name = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (% n" z5 }" i X! F. m( ]0 A& p" Q/ k
IID_NULL, // reserved' m/ ^5 C! V' A! k) i
&Name, // Array of names to get IDs for
$ k& b2 `* j% h6 f2 d* a D- p" D 1, // # of names in the array7 L7 z, S3 O/ b! O4 J7 R
LOCALE_SYSTEM_DEFAULT, // System locale
9 z1 D* K; r/ W! C# P+ B" @ &pokeID); // Array of IDs to fill on output
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if (hr)& u! V) E) a4 _- |
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MessageBox ("Get Poke Unsuccessful");
' `* Y2 J2 i' E* |5 i% ] return;
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/**************************传递数据给extend**************************************/6 k+ o. w; R, f6 C4 \- c* O
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");
) Z7 Z2 J; T1 w VariantInit(&pokeVariant[0]);
, G4 M- i' D# ^& X! t8 _ pokeVariant[0].vt = VT_BSTR;
) I0 o3 b. L- M" H$ P: b" U pokeVariant[0].bstrVal = valueStr;
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$ D2 s1 C5 t7 [. Q8 W itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
9 V3 p" H P( l VariantInit(&pokeVariant[1]);
5 z( F8 H) e3 V5 M# s pokeVariant[1].vt = VT_BSTR;8 |0 M4 y9 T! a! O) i
pokeVariant[1].bstrVal = itemStr;, ^( T: I3 N" q- d+ x* J4 ~- R
- _, I" ^% g$ H! w6 a; ? topicStr = SysAllocString((WCHAR *) L"system");
9 X0 X9 v: q1 ] VariantInit(&pokeVariant[2]);
& Y8 I: m1 y/ s( M4 [ pokeVariant[2].vt = VT_BSTR;
# v8 s1 R& W6 Z: Z" ]1 x pokeVariant[2].bstrVal = topicStr;7 C0 o6 `* j% @
1 [1 H) u) I/ f4 I# L3 f// Set the DISPPARAMS structure that holds the variant.
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: | M( W5 I) q dp.rgvarg = pokeVariant;# K1 F' L( r+ d9 P* F4 ?( n
dp.cArgs = 3;. C' f! t+ I* Z& w% R+ i! W6 w c
dp.rgdispidNamedArgs = NULL;% e; U" g- A6 m) I. P* \
dp.cNamedArgs = 0;8 c1 v' C- z0 S( o& u7 J1 {2 |
$ S0 @4 ~& }' ~& v- @) w// Call IDispatch::Invoke()& b, S9 i, a3 P- ? R* X9 W, h" P
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hr = m_pDisp->Invoke(% _/ h! L2 {+ v& O
pokeID,* a" h2 f1 z2 e. y
IID_NULL,! h! _" U8 h) e& u) c! Q A
LOCALE_SYSTEM_DEFAULT,
9 e. {4 X( J# _/ e b DISPATCH_METHOD,
/ ^8 L4 t( x+ V4 s &dp,! R3 k3 ]8 j2 {; Z; T
NULL,% s+ d, [3 G9 p, r
&ei,
2 r: L( N5 |, X o$ | &uiErr);4 E7 U& N o" \1 l5 U9 o8 B
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SysFreeString(topicStr);
' [1 M$ a1 R6 n* ] SysFreeString(itemStr);: Z3 u0 o* {" |6 q, R1 q/ `
SysFreeString(valueStr);' \* T" b( m# J
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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???
9 G0 B! r. C. Z& [& [* t/ s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????
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2.这是request的程序' j: B! o- o( k6 w: [2 B
// Request a value from Extend# ~" [5 j8 T8 m
//9 [' _3 [7 c0 b' v4 ~1 c% t
// Initialize the variant that will hold the BSTR. Set the variant's" E- T& d7 Z- L% e# [
// type flag to indicate the fact that this variant holds a BSTR. Place the
( ]! ~4 i4 W3 V) @6 s// BSTR into the variant structure.( ]! ]1 k' j5 A1 I7 R* w5 j" N
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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# Y& {+ d$ q- {+ {* Z6 K1 G. I1 F. v itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");5 R1 }# \' H3 z0 g
VariantInit(&requestVariant[0]); 9 I) r- U4 y; a' k$ S
requestVariant[0].vt = VT_BSTR;) D( ?6 L3 m% A& z5 l& }7 y
requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
/ u5 O! Z; `' q4 K' }- W VariantInit(&requestVariant[1]); . j; y/ I0 j) }3 M: J1 J% _
requestVariant[1].vt = VT_BSTR;: Z7 S# v a/ U/ ?& S. s
requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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9 k( R, l7 y' Q. L dp2.rgvarg = requestVariant;
- {$ D4 i' g2 q5 A, E0 ?+ N dp2.cArgs = 2;5 O* `+ w' g4 L7 D9 N. B' [
dp2.rgdispidNamedArgs = NULL;7 u- _, r1 L% v* H6 F# t& q- w
dp2.cNamedArgs = 0;8 S. _1 V- Q& G
) W L" c' v" G: _, R2 s var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()
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$ D. V c5 a( ]$ y. C9 |# [4 j hr = m_pDisp->Invoke($ d* Q: C# T+ X; W* g2 w
requestID,
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" [( J3 m4 U, t9 U% S, m( G( a. {% W B LOCALE_SYSTEM_DEFAULT,
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&dp2,
9 y( W# K3 }7 D, v' K+ b" }" n &var," D% m: O% i4 S& n0 N
&ei,
( E) V# s0 w* S &uiErr);
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SysFreeString(topicStr);
2 L6 {! T5 R# E. S& A* G2 ?4 F0 D# [ SysFreeString(itemStr);
" N# S4 ~0 [1 E1 n T. V- ?$ ~请问该程序是获得extend里面的哪个值?
3 a; Z2 B4 Y; y! t- h: |# L/ ^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???? |
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