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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:
7 O% }) Y$ N4 H# g0 B$ ~Name = (WCHAR *) L"Poke";
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3 i# h- ^9 x J T4 u hr = m_pDisp->GetIDsOfNames (- ~# t% \6 @% H$ F k7 D: f: \; ]2 ]
IID_NULL, // reserved
! t( U7 V4 |+ j o Q! l( u0 _ &Name, // Array of names to get IDs for% T( a( m, e6 _) ?, ^, P
1, // # of names in the array
5 r- \8 W F6 L" c1 B. I6 |6 ]5 h LOCALE_SYSTEM_DEFAULT, // System locale( f- ?: z7 g0 g7 o/ k
&pokeID); // Array of IDs to fill on output6 \% s$ T# |) }5 o B/ p/ B# ?$ i3 t
! e) }1 i* e2 E+ l6 e* ~ if (hr)0 k/ g& Q6 }" M5 M
{
8 j4 g9 ?$ A4 u7 v* s/ k( q4 n MessageBox ("Get Poke Unsuccessful");+ [) n, y6 H; M& U
return;
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/**************************传递数据给extend**************************************/& L7 Q% n8 W; A `8 C/ U4 g. ]2 m
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");
: }2 V5 ^1 S' N8 S) l8 l VariantInit(&pokeVariant[0]);
9 h4 ?. u; Y% R l pokeVariant[0].vt = VT_BSTR;
' X! d) r2 c9 i3 ` X5 D pokeVariant[0].bstrVal = valueStr;2 e7 o" y/ G, `
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
! T. _' Z" K p) \- }* L VariantInit(&pokeVariant[1]); : J0 u# o( K. H+ Q& d
pokeVariant[1].vt = VT_BSTR;
/ `1 }) g3 Y, Z5 S7 [, ^ pokeVariant[1].bstrVal = itemStr;
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/ u& b' v3 ?7 G, h$ b topicStr = SysAllocString((WCHAR *) L"system");
" g8 V. T1 u- W: X2 W, [ VariantInit(&pokeVariant[2]);
, N3 I* [ g N4 v pokeVariant[2].vt = VT_BSTR;9 j) a9 Y4 C" g- h
pokeVariant[2].bstrVal = topicStr;8 j/ \0 }4 v. W; q* B% }
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// Set the DISPPARAMS structure that holds the variant.: H0 x2 D5 ?7 e* h' w) L1 ]
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dp.rgvarg = pokeVariant;* Y* M1 b8 W4 \( |2 w; s
dp.cArgs = 3;$ d2 j# x5 O; H8 ]2 o
dp.rgdispidNamedArgs = NULL;, n( i( s( k5 V* j
dp.cNamedArgs = 0;# C& y2 C1 w0 I' ^, G2 k
% m! E# q5 t" y% E0 }6 Z// Call IDispatch::Invoke()
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! r! S, A' ?, y9 A3 p3 Z0 B, f hr = m_pDisp->Invoke(
% g: S* o' C t4 q pokeID,. t3 J; x% \3 _/ g6 b2 C: }( b
IID_NULL,6 k0 o' C& }& B5 i
LOCALE_SYSTEM_DEFAULT, F' w0 X; z0 }; P* J. ]
DISPATCH_METHOD,$ s# j0 [# u# L- g0 {" Y% w
&dp,0 e( F8 J& J$ }% w
NULL,# b6 r- t! ]6 i0 l4 Y) I- q7 U
&ei,+ ]* T; M( E' n2 J, r; t" \' P
&uiErr);# z9 n/ D! q1 b
: T- p f- O J% I E4 ~- a SysFreeString(topicStr);
% j" A/ o- u" Z+ {! O0 b SysFreeString(itemStr);
0 i: o9 h0 p* e SysFreeString(valueStr);
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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???
1 b' S' y2 T0 x" k; J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????6 }, ]- q: {/ U. N4 h" u" i
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/ i4 A7 T; K8 ^; u6 E2.这是request的程序8 e8 l/ v# P" ?9 [6 C
// Request a value from Extend7 |1 `' I7 j- ~# Q$ n
//. E9 Q5 g" L2 q
// Initialize the variant that will hold the BSTR. Set the variant's( F3 J3 K: P- n5 X9 {
// type flag to indicate the fact that this variant holds a BSTR. Place the" |7 m$ K0 |# i5 A0 Y
// BSTR into the variant structure. s& `5 O* H% N/ j
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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4 H- K, o/ `6 k3 `' o itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");" h4 N- ^/ _( V# [- n9 a
VariantInit(&requestVariant[0]);
5 |* q3 m* \- J requestVariant[0].vt = VT_BSTR;, o+ G8 B% K8 s+ ]. z
requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");% ]+ m1 z( D4 X {2 y1 X5 b% C
VariantInit(&requestVariant[1]); ; j9 w/ l$ Z+ G& Q0 S$ C8 f) I
requestVariant[1].vt = VT_BSTR;
2 I/ I }6 d* T3 B7 ` requestVariant[1].bstrVal = topicStr; {0 \5 }6 l2 G1 p0 R3 [* N
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// Set the DISPPARAMS structure that holds the variant.* Q( m3 {$ z/ _+ U
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dp2.rgvarg = requestVariant;8 U5 W" c. D% ~: r$ u. @* L
dp2.cArgs = 2;( B) C8 u4 Y, }% Q
dp2.rgdispidNamedArgs = NULL;) {" n8 c0 F0 D9 p' g0 e5 h! _
dp2.cNamedArgs = 0;
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9 [7 t0 h! N+ {1 l! Z/ k var.vt = VT_EMPTY;
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1 ]7 X/ L; N# G: V# z/ z! S// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(! G q" y2 N: k9 o$ K4 O0 y. w
requestID,
$ w2 h C% D2 ]2 [ IID_NULL," h: E8 D- M- \# \* [2 X. Q
LOCALE_SYSTEM_DEFAULT,# U6 [: V: |* g7 q6 P! |# {; |
DISPATCH_METHOD,
1 j" V8 A- W0 I3 K1 ] &dp2,
, F7 C( t4 n, s- S9 g &var,
2 @/ \! |2 H0 I, P8 N$ p/ e& S &ei,+ c3 d8 Q! b% H6 F
&uiErr);
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# {1 c8 o( c, d# x v5 U; o( S SysFreeString(topicStr);
8 [' _. C8 S l9 ~% Y l: ]5 T SysFreeString(itemStr);
4 V& Y" v- g( `7 ^, ?2 c6 {$ r$ S, ]请问该程序是获得extend里面的哪个值?
! n% i9 x! Z8 B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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