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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 e* Q, I8 H7 Y# lName = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (# S# b8 \* J9 u" O% w; E# b
IID_NULL, // reserved
! V( t. U8 P2 H! ~- n5 z &Name, // Array of names to get IDs for
* d; x o4 |. X6 y( L 1, // # of names in the array
1 g$ g% _# ~- v( b1 G6 L7 r5 C0 Q LOCALE_SYSTEM_DEFAULT, // System locale
1 [) N4 ~/ E0 J# D( J* U &pokeID); // Array of IDs to fill on output
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if (hr)
) r+ A0 W- o6 n4 J; A9 I" F# C m {
, n, ~. P( M, v8 K: U MessageBox ("Get Poke Unsuccessful");, K3 U# H, U8 \1 D M
return;
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8 H% P2 J5 W( r4 `4 A/**************************传递数据给extend**************************************/0 r" \7 Y7 n5 t" R- z: v1 q% D
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");
2 z; }1 t, k2 o1 e% y; P VariantInit(&pokeVariant[0]);
/ ]: D7 B8 \5 e: S pokeVariant[0].vt = VT_BSTR;
' ^ j; M/ c+ I pokeVariant[0].bstrVal = valueStr;& v4 R$ s; p/ Y1 V9 C8 [
' e0 n& u* O3 E# L4 d8 k: s V itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
# n& e' }5 Y( k# t; c VariantInit(&pokeVariant[1]); & a/ r7 Q( s! \1 m) D, ]
pokeVariant[1].vt = VT_BSTR;
( H! v0 v" w0 G% N* J7 O pokeVariant[1].bstrVal = itemStr;
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7 {' }9 Q" C0 ` topicStr = SysAllocString((WCHAR *) L"system");
) a% m# @5 a h z- ]8 U' o9 k VariantInit(&pokeVariant[2]);
1 V6 a5 b. U2 k3 D pokeVariant[2].vt = VT_BSTR;1 V% t2 u" J, F
pokeVariant[2].bstrVal = topicStr;5 A |3 s" u7 |( D. @) e
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// Set the DISPPARAMS structure that holds the variant.* e. a* b: y' |
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dp.rgvarg = pokeVariant;
/ Q+ ?$ O+ U% W6 V# G. V; d& l dp.cArgs = 3;
; `. \3 `: s3 O+ k dp.rgdispidNamedArgs = NULL;+ ~9 A9 Q" f% m f% [* i% t3 |
dp.cNamedArgs = 0;5 s6 u: t4 E6 E u$ D
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// Call IDispatch::Invoke()
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4 r& [/ G6 f4 B" H4 ` hr = m_pDisp->Invoke(9 B# f& u- M5 e& L; v* Y6 j* Y
pokeID,! M" d$ O' W# ]
IID_NULL,4 w3 k, Y) c. V2 d/ e0 L, T
LOCALE_SYSTEM_DEFAULT,: c3 {$ E! j8 q3 h* ]% a% F
DISPATCH_METHOD,
/ a1 }3 W/ K5 e* E &dp,. U$ Z) D+ B( K6 M* @
NULL,
2 Y: r& [( [2 s# o' J2 q0 R &ei,
" P( E& i% ~6 C* Z) G6 y% W) ]2 K. _ &uiErr);, s4 P1 w( B4 P9 T6 S, j3 I5 A
4 H2 o5 B7 o% R! j2 y+ [9 E9 l SysFreeString(topicStr);, a: t8 p3 ]! U# D! S
SysFreeString(itemStr);
& Q9 n" ]) c& k5 f SysFreeString(valueStr);
% J8 v2 _1 w) k8 u& J1 T, Z3 d6 s0 C9 z$ a% o J# U. s) I
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???! Y( T o1 s) w" j0 h
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????4 q5 D4 `1 F' |1 O6 n/ M* S
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2.这是request的程序6 D+ U* C8 l) T) y+ Z9 g4 j
// Request a value from Extend& U& w! ~" [, o; K, g3 C
//5 K1 d/ I5 \6 J3 F
// Initialize the variant that will hold the BSTR. Set the variant's
* s$ E1 d: p9 t% h8 n2 e% e+ V// type flag to indicate the fact that this variant holds a BSTR. Place the
" ^' T' o3 `' c2 W// BSTR into the variant structure.
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) X5 t- B( C/ i0 E: ]9 P requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);! C& M- {& h1 I% u$ f8 @9 H* d
# k, h4 l0 n% B& r3 z itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
8 B* `3 c9 O C8 g/ R VariantInit(&requestVariant[0]);
) E' f0 R1 Q8 F3 T2 ~+ {1 R requestVariant[0].vt = VT_BSTR;
5 Y" R$ k& J+ _8 m' [ requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
- U$ r( S6 ~. B" w# P; @ VariantInit(&requestVariant[1]);
2 ]: |" S6 s+ S2 B& A5 g8 V requestVariant[1].vt = VT_BSTR;; f+ i4 J0 ]% P, ~8 q) `
requestVariant[1].bstrVal = topicStr;; |2 H+ t. O; o/ P
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// Set the DISPPARAMS structure that holds the variant.( V9 k: S$ t6 y, j
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dp2.rgvarg = requestVariant;
) ]$ Z2 ]5 g0 C& P5 D! V( w) ? dp2.cArgs = 2;
7 r3 P+ H& l/ y+ A1 |; { dp2.rgdispidNamedArgs = NULL;
; q7 y& b' M8 G N0 i dp2.cNamedArgs = 0; [8 z) z5 X0 y/ ]
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()7 v4 `$ }8 L* ]* k8 k
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hr = m_pDisp->Invoke(
: v1 I, ]/ I/ w requestID,
+ F1 L1 k, l4 f2 C5 e IID_NULL,
7 W- g# X% I) P# ^3 ? LOCALE_SYSTEM_DEFAULT,' ~3 X w' {" o6 S, n$ T
DISPATCH_METHOD,+ p8 s1 ]6 [5 e/ J% ~+ J
&dp2,* U0 {8 n3 \6 p' n6 N
&var,. y, g" `# J3 p
&ei,
( X3 |! P4 b' y. }/ S &uiErr);/ O0 G* e" D0 r1 n, Y
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SysFreeString(topicStr);2 J h0 @$ H. q7 ]' _8 Q) V
SysFreeString(itemStr);% g9 S; D! J1 _- L# h' Q
请问该程序是获得extend里面的哪个值?
+ i% ]) U* z9 p' a6 }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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