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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:: k1 W+ k7 {9 X& B9 r) [8 N! @
Name = (WCHAR *) L"Poke";( E. e) } O; T1 o, |
2 r9 u; z1 f* D2 M: D, G hr = m_pDisp->GetIDsOfNames (
2 W& z0 e9 }$ e2 F5 E8 u IID_NULL, // reserved e5 ?4 E4 Y3 I% O. @
&Name, // Array of names to get IDs for/ Y' c' C: m" C' f3 n/ i
1, // # of names in the array! V0 P8 q2 m0 {! G; N7 c
LOCALE_SYSTEM_DEFAULT, // System locale
) [* L7 Q+ j' v &pokeID); // Array of IDs to fill on output
! R: l+ m) f: z4 `4 ]! v7 j9 e
R% Q- M K& n0 A: V8 a* `+ { if (hr)
+ b. q& _, R6 ~5 G {
' g4 _- y, n3 G8 ? MessageBox ("Get Poke Unsuccessful");
5 f2 |. z2 t r* T7 _3 F return;: C% A/ ^; W2 }6 J+ l/ B. W0 |
}
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2 f, O; h8 h' R; e/**************************传递数据给extend**************************************/
1 U' C! P, r9 b3 q pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);8 M2 @9 ~- `$ ^9 O
@2 v& q& Y) Z% C6 o valueStr = SysAllocString((WCHAR *) L"1232");2 _+ _4 y, k: P i
VariantInit(&pokeVariant[0]);
_) z+ z/ g( j8 C/ \7 c- y pokeVariant[0].vt = VT_BSTR;5 S6 l, ]; {/ X2 F4 |" s
pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
2 h/ x$ {0 Y! m" ?7 S2 y$ d1 H( h VariantInit(&pokeVariant[1]); 5 H: H6 f( v% }+ k) r
pokeVariant[1].vt = VT_BSTR;
# w6 N% M4 u# u( x pokeVariant[1].bstrVal = itemStr;
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D2 g% l2 R9 n% r: i& U topicStr = SysAllocString((WCHAR *) L"system");+ Y" E$ }" k. e) @7 H% _$ i
VariantInit(&pokeVariant[2]); 2 M/ j& H5 c, F M/ s8 |( J w# N7 |# q
pokeVariant[2].vt = VT_BSTR;' ~/ e1 |. [( B2 N: @
pokeVariant[2].bstrVal = topicStr;+ u. |( q# y" u" d
% h6 `4 g0 d: T/ }// Set the DISPPARAMS structure that holds the variant.1 \ ~1 ~7 P2 I2 B% i
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dp.rgvarg = pokeVariant;
% s1 Y# \1 i- S! y$ v; l dp.cArgs = 3;5 D7 G" p, X/ ]; C) |
dp.rgdispidNamedArgs = NULL;
, U5 C5 ]" _3 h% x# ? dp.cNamedArgs = 0;* Q& n j7 b3 Y1 O; d
/ e& R& d+ z/ R' N! B$ H( I
// Call IDispatch::Invoke()
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. ]7 i9 R% V2 i/ |& _ hr = m_pDisp->Invoke(( h# J5 a7 N6 L/ W: u/ A
pokeID,. P. _1 l8 B7 f4 d" m. i/ P
IID_NULL,
! K, Z, S# }- u: s LOCALE_SYSTEM_DEFAULT,& @- s# R% x$ m1 h* k' M
DISPATCH_METHOD,
6 P1 K# q% H3 ^+ q &dp,8 x. \# x2 P7 T7 p" `* O5 M
NULL,
' T% J( i' ^% v* I% G ?. J- k* o &ei,
2 s- l2 e# J7 c% Y7 ` &uiErr);
% ^" x1 _0 V0 b+ ]# {7 w* A
' s$ m& l$ }1 }7 O ~ SysFreeString(topicStr);* f4 L! F& ~) H5 k" ?/ \
SysFreeString(itemStr);7 h# b2 C, ~1 y) _7 b/ x3 G
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???# f; d# ]; y% s; K; o" z/ b
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????& f" r* Q8 j! V O( D* t
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2.这是request的程序9 r0 N% O: [( S4 y: Q# G
// Request a value from Extend2 J) X1 ~& ?* H' t4 Q
//" U" ?2 f# |" C+ C! i7 }
// Initialize the variant that will hold the BSTR. Set the variant's$ V: J) r. a/ B2 V2 F
// type flag to indicate the fact that this variant holds a BSTR. Place the
6 S* n* Q" `% I d// BSTR into the variant structure.: D5 r, U$ g0 H: E% a
$ V2 l9 g' H. F- a requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);5 R* `/ n$ N- B
m; O7 R5 e0 b8 P itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
, F# E( s$ a) S7 i5 a VariantInit(&requestVariant[0]);
M. P$ x' `2 R6 E1 }5 X requestVariant[0].vt = VT_BSTR;- G1 {- N( G- X2 {" a+ M9 s) N+ q
requestVariant[0].bstrVal = itemStr;
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* |: b) [: A$ t0 g* b topicStr = SysAllocString((WCHAR *) L"system");
& `, ^* N% s; K% c# A3 X VariantInit(&requestVariant[1]); 0 t5 W I# c( r
requestVariant[1].vt = VT_BSTR;
( j0 m. o' x2 {+ f& ~ requestVariant[1].bstrVal = topicStr;
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0 a, E8 Q. t# m4 y; B// Set the DISPPARAMS structure that holds the variant.
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2 a# s- p6 }# L: i: b dp2.rgvarg = requestVariant;' _3 G- W5 B8 J& L/ |, ^' F8 \; h
dp2.cArgs = 2;4 g- z# j/ q7 c: M% s' d
dp2.rgdispidNamedArgs = NULL;4 g2 t4 }7 S# l- V) ]3 E: y+ `) \
dp2.cNamedArgs = 0;; C9 P! L9 M7 b; e; d' k
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var.vt = VT_EMPTY;
# {" R" m) O |; i- y
- y/ u+ D3 v* H8 M$ j" V4 K// Call IDispatch::Invoke()
% Z5 x/ Z2 l, S+ ~1 [9 R) M* O; o+ s: U9 S* l2 n7 L
hr = m_pDisp->Invoke(
% l1 x+ |) n5 z/ ^1 s: K requestID,: d. L- p. @7 ~! F$ O- u
IID_NULL,1 l5 A/ h3 Y3 e0 @# Z! o
LOCALE_SYSTEM_DEFAULT,
" V- G$ ~, H4 Z DISPATCH_METHOD,6 j6 L5 H5 q Y
&dp2,& t5 L8 O+ d2 p4 D
&var,
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&uiErr);
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* f; c. v8 H0 G8 l. \ SysFreeString(topicStr);# R+ O* o" S @& j* R/ s
SysFreeString(itemStr);
7 T0 r: f6 R2 s- K) @+ Z" Q( w4 x+ `请问该程序是获得extend里面的哪个值?6 ]& ^& o8 T7 u7 E. _2 U% k- J
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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