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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:
2 ^) Y9 O D. ^( G$ iName = (WCHAR *) L"Poke";# B4 s/ R, S# f% H
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hr = m_pDisp->GetIDsOfNames (
8 V5 x( y1 x+ ?5 B7 |0 t# O0 b S IID_NULL, // reserved
h% A0 ], L4 O$ r! v1 w &Name, // Array of names to get IDs for
p1 ]3 c9 d2 @$ L: T m 1, // # of names in the array
4 M9 D y4 {6 J1 u) s J5 X$ r LOCALE_SYSTEM_DEFAULT, // System locale; l" l, K, q. B
&pokeID); // Array of IDs to fill on output
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if (hr)
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MessageBox ("Get Poke Unsuccessful");" K! I$ X& e. v
return;" e5 u! V) s# l6 L5 M8 K' ~7 u
}
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/**************************传递数据给extend**************************************/
4 O- N7 v/ w C0 R5 T1 m6 f pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");
[5 }6 A/ s4 i; j' U1 \ VariantInit(&pokeVariant[0]);
) ]/ `% ^) J# B, i pokeVariant[0].vt = VT_BSTR;
: Z1 d7 ?: y: @0 k pokeVariant[0].bstrVal = valueStr;
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2 a2 R. M$ e' N7 x5 P itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
. R7 q' V# Y7 N% k) @4 Y VariantInit(&pokeVariant[1]);
K3 s+ V3 b5 d6 S pokeVariant[1].vt = VT_BSTR;1 d' w5 x/ T6 x5 A P
pokeVariant[1].bstrVal = itemStr;" ^% n. Y% G) A; }) J
0 J6 b. I ~& }3 A7 d7 i' s topicStr = SysAllocString((WCHAR *) L"system");
$ F e4 I& U) h/ f. { j8 ? VariantInit(&pokeVariant[2]);
. C- K' M) J3 [- R+ y$ w4 A# C4 E8 M pokeVariant[2].vt = VT_BSTR;
( F5 x) B8 W p2 @& H pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
! B3 `3 {; L S5 I/ b dp.cArgs = 3;
% y) |) L5 h9 w* v3 J dp.rgdispidNamedArgs = NULL;
' y- c# x0 F( v4 R dp.cNamedArgs = 0;; _; O( s$ m4 | M8 S
" l- L2 _# G$ g( K4 n2 i
// Call IDispatch::Invoke()2 S( `1 ^, {% u' `7 C2 ]8 B7 H
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hr = m_pDisp->Invoke(1 M" Q7 V( n: |* M- J4 E# t* I* X
pokeID,8 S4 M1 x; l; g Y9 G% h1 _6 O
IID_NULL,% O- k: |4 Y( Q& a$ d( |' y. l. D6 D
LOCALE_SYSTEM_DEFAULT,- | Q# w: h2 |* i
DISPATCH_METHOD,) ~4 S( V6 e) \7 R$ X4 I o! C
&dp,
% _2 W+ z. E i, a" M G NULL,
6 C( P, y* t4 h& O- ^& s( ~ &ei,
9 \( [7 `. h0 f &uiErr);
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" W N- \. e; ?7 q$ B8 C9 D0 i SysFreeString(topicStr);
9 V9 N3 U6 E% t1 m- y; a SysFreeString(itemStr);
! ?- \4 h. O6 v SysFreeString(valueStr);
! L; H" @9 i; H I3 M- Z3 M p W" y5 o% H3 K. l" ^& S$ `$ }
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???
( l% \5 r% i, Z$ W8 g/ m$ d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
5 [4 F b) ^$ n5 s1 q. y// Request a value from Extend' m5 g' d. N* S+ G. Y$ E
//
1 ~) ^8 I! s% E/ N/ h* I// Initialize the variant that will hold the BSTR. Set the variant's3 M) N/ d6 [( [ b
// type flag to indicate the fact that this variant holds a BSTR. Place the
! t9 \; ]! k- v6 P* r// BSTR into the variant structure.8 B. ?# W0 Q4 @
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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2 G* z. C, q$ a, E- P7 @+ \ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
! z0 G+ H- y3 X8 C VariantInit(&requestVariant[0]);
t- q$ ?6 N. `6 ^/ z: Y) G requestVariant[0].vt = VT_BSTR;5 ]& j/ c6 I: f' _5 [
requestVariant[0].bstrVal = itemStr;9 Z* }* l) B6 C t6 A1 z
1 w6 |# g4 ~. c topicStr = SysAllocString((WCHAR *) L"system");& Y' ^5 o3 ^7 ]% q* h/ I3 d
VariantInit(&requestVariant[1]); 0 f; |6 Z" t, R" O) t
requestVariant[1].vt = VT_BSTR;/ s, m( n' E: g. V5 }, j& A- h
requestVariant[1].bstrVal = topicStr;' X$ r" y4 h1 O: Q% U7 W
" ?! v B, a2 b- u& y \// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;
7 H3 P. M7 T- c+ y, O dp2.cArgs = 2;
; L$ e5 r9 c8 f5 F' i) y: z dp2.rgdispidNamedArgs = NULL;8 H- }2 {. ~0 Y! X
dp2.cNamedArgs = 0;8 S7 ~7 {9 G; u6 Y8 v
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var.vt = VT_EMPTY;- W3 y; h" q, V; T( q( p
4 j% }0 a; `6 c1 ?! w% p// Call IDispatch::Invoke()
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$ } N: ~- w0 p- ^ hr = m_pDisp->Invoke(
( y& i( e! p# B requestID,! P) ?# r$ m/ x, l' H
IID_NULL,4 w1 c7 A; A2 D
LOCALE_SYSTEM_DEFAULT,, E2 H {9 ]4 x7 F- Y
DISPATCH_METHOD,( Y) a. G! f5 c# O# A
&dp2,
1 L0 p7 o+ R! ^. | &var, d4 k: t5 w! g5 P, a
&ei,
^5 l4 |% I4 i/ v &uiErr);! i- N( v' H# W2 ^6 v) r$ d% P0 G
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SysFreeString(topicStr);; E7 Y2 Q( |0 H% {# w0 m+ u
SysFreeString(itemStr);
5 x5 a/ b# |, {. i( \# d% ^. t请问该程序是获得extend里面的哪个值?
. _4 |9 p% T j2 f5 w# |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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