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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:
, y9 p2 D' Y; i8 kName = (WCHAR *) L"Poke"; e! {; ^4 \* `- k' b
# V' ?) S- n* z8 a& I hr = m_pDisp->GetIDsOfNames (
* C @9 m& }3 |+ D1 k: k" X IID_NULL, // reserved
' ?) W8 v. S' T& q8 P &Name, // Array of names to get IDs for
9 G- g1 H* S& d0 W4 ` 1, // # of names in the array o7 N6 \& k3 l/ e: [3 M e
LOCALE_SYSTEM_DEFAULT, // System locale
! L' c+ Z5 f# j8 e% t# Q3 R" x8 @ &pokeID); // Array of IDs to fill on output
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if (hr)
# [. A! D' _: \( @! ~0 X {' u: a6 J1 m& |" I1 P6 ?
MessageBox ("Get Poke Unsuccessful");/ O$ B% l/ D1 f& N3 U% t
return;9 O5 G' O/ l9 P4 ^0 b$ v( @8 u9 f
}
/ s1 t: D. S4 N) X P" d6 K7 ~; x3 s* J$ b' @! J1 Q5 L
/**************************传递数据给extend**************************************/
" Q* P4 ^7 [* T3 @6 R. f3 m pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);. `# e) g) K- D5 I$ M9 n1 C
+ N7 x2 K7 c* e, ~, _/ w& {
valueStr = SysAllocString((WCHAR *) L"1232");
( @% [) Y; }; X5 V$ r! J7 G VariantInit(&pokeVariant[0]); 3 y7 X% C/ J2 Q/ f3 S2 C
pokeVariant[0].vt = VT_BSTR;
6 Z- w0 u8 l/ m+ j* @ pokeVariant[0].bstrVal = valueStr;/ U; T |6 U- ]4 d. x$ M. U
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
, }. f) n2 n, L2 x VariantInit(&pokeVariant[1]);
" v) Y% g1 T6 Z' d" [1 Z" N pokeVariant[1].vt = VT_BSTR;
4 ^* h9 ?3 Z1 S9 @! J4 w* ?! Z n pokeVariant[1].bstrVal = itemStr;6 e: A* t# p/ |& K
' S2 v7 p5 `0 k
topicStr = SysAllocString((WCHAR *) L"system");
% L- u( N9 r! ? VariantInit(&pokeVariant[2]);
: a2 w0 `1 {" I4 S8 i% J B: o% h pokeVariant[2].vt = VT_BSTR;
% q) ]" s; }: z9 {, T- `5 T pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;* F4 ~" X# }7 _+ Y: V
dp.cArgs = 3;2 v& h$ I- l5 {; U) K$ U
dp.rgdispidNamedArgs = NULL;7 B0 w; t7 ?, C$ ^3 m/ W. A
dp.cNamedArgs = 0;
. |$ J' x# x( n: A% g0 T! x1 D
! K$ b# y# G+ {1 ~// Call IDispatch::Invoke()
4 Z: X2 G# c6 t; O
# R( |; [: Z4 M T/ u6 w8 { hr = m_pDisp->Invoke(
8 Q4 A+ ^* z& @; a! P1 | pokeID,
3 g# a' h- E# y* n/ c1 y IID_NULL,
9 e& n; t/ l6 Q( a2 E' a+ H0 `6 K% { LOCALE_SYSTEM_DEFAULT,- T9 P; Z0 _' N' Q
DISPATCH_METHOD,3 R3 R* J! Q, n1 D& _ J7 q7 L2 F. q
&dp,
. U1 r z. r1 m0 S7 `- i. m NULL,
* m+ v1 T9 m5 J5 h. ]9 [9 @ &ei,9 p- q* _# B4 m2 C$ k L& W
&uiErr);
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SysFreeString(topicStr);/ a: @- W* N" C# U
SysFreeString(itemStr);4 W5 P1 y/ [4 X
SysFreeString(valueStr);
! Z8 J2 v2 t9 [" R- G
6 u4 X+ [! L: K* i+ 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???" A* g. i! v$ i
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????# e: X9 V5 K8 _
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2.这是request的程序
( Q* Y, G& I* W9 H, t k9 _// Request a value from Extend5 m" e1 b; Z L8 n
//
- O" ]8 J+ Z( V// Initialize the variant that will hold the BSTR. Set the variant's0 |4 R6 c* t3 f" u7 L$ d- U! \: `
// type flag to indicate the fact that this variant holds a BSTR. Place the
3 G E! i+ r8 F. _6 Q7 v5 Y& d, J// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
! R5 i* S; W! ^- ^( ~) T1 s
9 U. F+ u! K) {# z itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");# D1 {5 N z" W1 L! l, f3 b
VariantInit(&requestVariant[0]);
+ t; v! F, H; ?; f" y! R requestVariant[0].vt = VT_BSTR;0 m8 f" `: s5 m: m* O6 c, O9 i
requestVariant[0].bstrVal = itemStr;
# B k3 ?# s' b" o
# L W: |1 V( r# i% p0 c topicStr = SysAllocString((WCHAR *) L"system");3 I+ z/ `/ I( _. s% P
VariantInit(&requestVariant[1]);
( A% g9 |( \) U6 h3 M requestVariant[1].vt = VT_BSTR;- T' ~- O5 k+ W8 Q
requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.( _& X' t6 Y, e! F7 n# h
9 C+ O, H7 M1 X/ b- b
dp2.rgvarg = requestVariant;4 S; ^* q8 b& t5 l v$ e' h
dp2.cArgs = 2;
& D5 l# y( G2 C. r7 ~3 d2 I n6 t dp2.rgdispidNamedArgs = NULL; t! S! J* n) |- m' D
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;
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' O: L6 M" N3 c" Y5 i. i// Call IDispatch::Invoke(); S" l" `+ p# O( t: A# N/ w2 |7 \
y( L# Y/ z v. E6 z* W hr = m_pDisp->Invoke(7 I2 w, \/ u: R8 U- z
requestID,, y0 N* ?0 u" k# [& l% i
IID_NULL,
3 _; m3 s2 q& A S3 \& c% r LOCALE_SYSTEM_DEFAULT,% }! L9 p7 c0 X/ L
DISPATCH_METHOD,
/ b4 k- L% w8 L" N8 c7 T0 ]9 v6 |4 Y &dp2,3 F! m% Z+ c" l& ?7 v
&var,
" N0 \7 _5 ^5 M, W &ei," ?1 e, {& J/ w3 r
&uiErr);
" M! f- i- |8 ]. A U- ]
+ k3 s8 T/ }+ N9 L G2 C SysFreeString(topicStr);7 y" K! L. ` S& E" J
SysFreeString(itemStr);
' t7 o( L0 r1 l- Z0 A+ `请问该程序是获得extend里面的哪个值?
9 ^9 t. g4 q" C6 |+ f9 X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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