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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:
T. J3 o' L# Z) M" y ?/ VName = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (+ ^' Y4 ^2 J- S0 X
IID_NULL, // reserved2 K0 a6 c6 T7 I1 e; g
&Name, // Array of names to get IDs for
& G" D6 X, ~5 V1 } 1, // # of names in the array
% {, _6 f. U' J' B; u- R8 m) g LOCALE_SYSTEM_DEFAULT, // System locale) J2 V- H8 H( c, a |
&pokeID); // Array of IDs to fill on output
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if (hr)
- v" ` [6 {; A5 [ {
8 p: L& j' v6 \+ [/ g% l) H1 Q7 ^ MessageBox ("Get Poke Unsuccessful");+ Y% u" p' E% A: e
return;# c: M3 h' ]4 U0 }
}
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/**************************传递数据给extend**************************************/
( k* r0 E$ x6 B9 I/ O pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);: b/ A% M. c& Z/ q
# l' K5 ^( o0 n( S; K" W2 [ valueStr = SysAllocString((WCHAR *) L"1232");
& r7 X( ?3 ?6 ~- K9 | VariantInit(&pokeVariant[0]); 8 |, X8 q9 m; b% ], D# e
pokeVariant[0].vt = VT_BSTR;
# y% b: {& D. Q pokeVariant[0].bstrVal = valueStr;* W: ]0 {3 Q" l& G' f4 I% i/ o
# S/ _& E* [# ?9 {1 I3 x
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
% z _: M; L5 j- F; N+ q7 ? VariantInit(&pokeVariant[1]); 4 K* u% N7 Y( |3 a0 H2 E
pokeVariant[1].vt = VT_BSTR;/ {4 W, o5 a$ J2 {
pokeVariant[1].bstrVal = itemStr; v, J* s, a% l4 A1 `
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topicStr = SysAllocString((WCHAR *) L"system");* i! t7 K; H1 p s* d
VariantInit(&pokeVariant[2]);
- `# ~1 _5 J. D" K, o pokeVariant[2].vt = VT_BSTR;
, N w7 `. _5 F: |, L- l; B pokeVariant[2].bstrVal = topicStr;- Z; B( E9 w% p4 W) W6 A5 h/ f! a
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// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;6 j* g* u* w% K" [- W0 `
dp.cArgs = 3;
! |6 a" o @. J7 c8 A( P dp.rgdispidNamedArgs = NULL;* {1 [ @* }. C6 P6 J
dp.cNamedArgs = 0;
/ C# J: h( n. o' m
6 |# J1 {9 l& L, P# A// Call IDispatch::Invoke()
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P- q- }8 p# h( {: k$ F. @ hr = m_pDisp->Invoke(% D8 O9 \6 t3 ]) |
pokeID,
2 Q: R/ X; q9 ^+ [# G IID_NULL,7 Z" c1 P/ f$ r4 j m% t# ~1 F
LOCALE_SYSTEM_DEFAULT,7 D; \- p3 m+ Y4 M* X
DISPATCH_METHOD,
M; X [& @ F7 f* S &dp,
7 ~& W6 r6 F3 e7 [& f NULL, Y: u0 I" _+ ] b8 ?$ g
&ei,% G, n- K9 T0 c9 m4 Q
&uiErr);
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SysFreeString(topicStr);
3 a' h2 W9 \( H! h! X/ p SysFreeString(itemStr);
& T4 Y3 J& q6 [4 O3 c SysFreeString(valueStr);
z) i( A/ n5 r$ q" e$ Q7 b* I$ T, ]; }6 N% _1 W
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???& R, ]' J$ N& @, ^; s3 H+ P
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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$ N8 c( y* U9 ]! z2.这是request的程序
; {, |6 Z( g: ^/ r2 c; ?// Request a value from Extend
, _7 J1 M9 [* m1 n/ S9 {3 [//: Y: i" g: F m, q5 i
// Initialize the variant that will hold the BSTR. Set the variant's
+ D* H |8 p2 R// type flag to indicate the fact that this variant holds a BSTR. Place the6 K0 D3 w& }$ z& ~( |% L
// BSTR into the variant structure.. X" J1 E4 v3 h" x7 {
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);+ J% S# Y# _& q4 v/ a3 H
0 Z: F, K4 ]! A9 j. e itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
Y' o, M. y- D( | VariantInit(&requestVariant[0]);
% \9 C7 p& p8 C8 S) a- G requestVariant[0].vt = VT_BSTR;% J! l3 _- K7 _" }) U
requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
1 |* P8 @2 G0 U' H VariantInit(&requestVariant[1]);
0 L0 ~% R0 ~- c& e3 V+ A requestVariant[1].vt = VT_BSTR;
" }- V5 v& o% q$ K$ v& U1 e8 E requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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9 K" u0 y1 U$ j. D1 ] dp2.rgvarg = requestVariant;
1 f L8 k7 u% n dp2.cArgs = 2;- d( ~$ j6 q8 J) S( V# N
dp2.rgdispidNamedArgs = NULL;
! a/ @2 a. @% ^, X dp2.cNamedArgs = 0;
% I# V8 J9 W) e F
3 L! U8 f% Y" l& Z9 D var.vt = VT_EMPTY;
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0 _0 |. t J z// Call IDispatch::Invoke()4 T3 ^( z! s8 ]1 z6 I# b7 s
" z7 V% f5 a+ K2 {8 F4 N4 o+ g7 l hr = m_pDisp->Invoke(
7 v2 D0 m- Q! y" n requestID,
8 P1 f q7 v$ ~( X, @: Z$ C8 N IID_NULL,
3 Q# U3 Q' M# d/ n( s p LOCALE_SYSTEM_DEFAULT,+ v: ]6 t8 c/ X# H
DISPATCH_METHOD,/ Q$ `4 G: A: q
&dp2,; {5 ]' v1 Q4 S: ?
&var,7 U; C# ?: k( d% a/ p! S
&ei,
$ o7 R# D, d: z4 a9 A &uiErr);. m1 R) e% Y! F6 h
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SysFreeString(topicStr);
; `4 o8 Z* k: k* J SysFreeString(itemStr);: ?; P; Q& { ]
请问该程序是获得extend里面的哪个值?
4 H) G$ `" Q( s6 v/ q2 D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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