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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:& a' }2 U ^! G6 v) t1 o
Name = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (
( [ u2 S1 A$ U/ @, o) ~3 q) w3 v IID_NULL, // reserved- T$ _+ f/ r) |4 Y& d
&Name, // Array of names to get IDs for- z. G: h% x, X
1, // # of names in the array+ w0 S8 F* J9 g
LOCALE_SYSTEM_DEFAULT, // System locale
$ o8 ~5 J( ?9 |. [3 J# Z &pokeID); // Array of IDs to fill on output: s6 N' ?6 h8 I% X; t
# {4 {4 e; d( Z3 H
if (hr)
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MessageBox ("Get Poke Unsuccessful");
; M# G6 h1 R6 ?* b9 Z return;# g) R* B- N2 O5 G' D
}
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9 W2 K) Z; ~+ y8 N9 k* T, j/**************************传递数据给extend**************************************/
9 c3 W( }9 u p, L. m, z8 _ pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);8 ?( N) k: f- {% Q6 v% m& S9 u7 D
9 L, y9 V0 x$ D- X+ k valueStr = SysAllocString((WCHAR *) L"1232");" @5 @, Y: Q5 F l' q
VariantInit(&pokeVariant[0]);
. K1 F' t- O ] k pokeVariant[0].vt = VT_BSTR;
1 y" x; n4 W" J9 p/ K& G2 k pokeVariant[0].bstrVal = valueStr;
" c, x$ [1 ]$ C7 b$ T+ j, ~) S# C* s+ i, ^$ L8 u! e/ @0 Q
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
3 L& E3 o7 b( F2 T1 K6 L VariantInit(&pokeVariant[1]); # d( L# K* F; M W- y; ^
pokeVariant[1].vt = VT_BSTR;4 i$ {* r2 ~6 e6 [ ~
pokeVariant[1].bstrVal = itemStr;
. I$ W2 H1 P* D8 M
5 X1 e7 z* I7 ]& i( i+ k3 ]$ n topicStr = SysAllocString((WCHAR *) L"system");
: J/ x$ a1 k7 J X% H- j VariantInit(&pokeVariant[2]);
# ^& b- A/ K+ x1 B pokeVariant[2].vt = VT_BSTR;: Y9 v& g; N/ T2 {- U9 y9 G' m+ X
pokeVariant[2].bstrVal = topicStr;
# `: S$ _) X* n6 P
* l$ z+ z& C. R// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;# n2 ~9 g2 \$ \$ _4 Z3 q
dp.cArgs = 3;
t. ]5 Y: D. A dp.rgdispidNamedArgs = NULL;1 s: v& t# J( E: T& L! L
dp.cNamedArgs = 0;) r) D9 M& M8 g0 ^
: V. M4 r1 z% I9 _// Call IDispatch::Invoke()1 e$ k; ^) d, ?9 |( C
& H% |0 K3 I" [# G, S$ r
hr = m_pDisp->Invoke(
) [- E* L9 z" |2 D pokeID,/ m/ O2 r- o$ F9 @; f" h; F. |9 D
IID_NULL,! j' |: L" d! P3 V) Y
LOCALE_SYSTEM_DEFAULT,' p T% \1 H7 v: o& ^
DISPATCH_METHOD," ^/ D2 Q, [3 M1 |8 M( T; V
&dp,5 |% p7 S/ \* b$ r& |
NULL,
J8 Y) a, h8 S( w! A &ei,. k) w! y/ d! C! a3 b" T
&uiErr);
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SysFreeString(topicStr);
( P8 g/ Q7 Q0 r; r3 o SysFreeString(itemStr);& t" Q2 W- }% y/ k
SysFreeString(valueStr);1 R* N5 S3 s" K3 _
$ e+ W% M! k4 }$ 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???
$ Z' U6 p6 [! K& u7 N1 R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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/ Q7 ^, \) v& j& C3 N0 A1 V2.这是request的程序
. A( S: ^" ?, L8 j" s% T5 D% {5 K// Request a value from Extend) Q/ u% r: i1 a G5 m
//: i# Q& A5 a* C' }3 j
// Initialize the variant that will hold the BSTR. Set the variant's
Y0 _7 X# f; [, R( o// type flag to indicate the fact that this variant holds a BSTR. Place the
3 B. R6 S9 e* d4 K// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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* v9 e' P$ r. m5 H: @ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");! A8 L- E" K0 p! c6 L0 {% h& H
VariantInit(&requestVariant[0]);
$ v) N6 W! p8 ~# l' l7 j" y requestVariant[0].vt = VT_BSTR;" n1 z5 L/ [* ~. K
requestVariant[0].bstrVal = itemStr;
3 z9 o, ~* v5 E4 t% k; U b" w/ C' g4 ^
topicStr = SysAllocString((WCHAR *) L"system");4 \3 i% d$ f9 g# A
VariantInit(&requestVariant[1]);
2 r: F- i# B' n z requestVariant[1].vt = VT_BSTR;$ G- T# q2 S, C: e
requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant. l. x5 l3 I9 o$ Y; B0 Q' |
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dp2.rgvarg = requestVariant;) l' f# x" ]; h, a
dp2.cArgs = 2;
; Q2 i1 b" k( f6 p( b* F1 } dp2.rgdispidNamedArgs = NULL;% c$ C! z- D7 q$ `% K: L
dp2.cNamedArgs = 0;) \5 ~: i. f0 D/ X9 q& `
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()6 R4 ?- E; k! p2 `0 R [+ D
4 } h* T* f3 Y& \% M9 t; r hr = m_pDisp->Invoke(, l" |$ n1 P" L( y
requestID,
9 ?# B7 K$ H9 q* O6 z IID_NULL,* m1 ]- u, r+ E# I
LOCALE_SYSTEM_DEFAULT,! v+ I. n+ x8 Z- i9 v
DISPATCH_METHOD,
) p; ^' y% @8 ]) S2 j; ~ &dp2,/ |# u; e5 N5 |
&var,0 d5 U0 c! f+ h9 z7 T* A+ a
&ei,
w! N$ P# I" _# }0 q: n3 E/ b& B &uiErr);: u5 J9 {1 o# ^1 W# Z9 Q) u
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SysFreeString(topicStr);+ ^1 u2 t/ Y/ q$ Z6 a* A" s
SysFreeString(itemStr);; u( V3 u+ n) L. L# P q
请问该程序是获得extend里面的哪个值?
- A2 ?4 A4 e) @+ X; 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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