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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:8 v" A( O7 L4 s+ n) ^" J
Name = (WCHAR *) L"Poke";
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2 B* b- j/ w8 ~: k- C hr = m_pDisp->GetIDsOfNames (* Y( q; P* q, \% T
IID_NULL, // reserved
* s! m. k. F# ^& w" p, _& J &Name, // Array of names to get IDs for( t7 T+ F! [2 d; z2 |; S
1, // # of names in the array1 I# O, [4 K! r" ^- m
LOCALE_SYSTEM_DEFAULT, // System locale
/ L, ~! Y! A# ]& A7 M$ C &pokeID); // Array of IDs to fill on output
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if (hr)
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MessageBox ("Get Poke Unsuccessful");) U# e" u1 U, F3 K2 ]
return;- W. G( q6 |* i$ V# h
}
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/**************************传递数据给extend**************************************/
: W8 L; t K% C$ z pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);9 c# o" C3 _* U% s' k+ N( o
# Q1 a; e! Q" Q' ?' _' j valueStr = SysAllocString((WCHAR *) L"1232");6 z6 V0 K6 x+ V' ~
VariantInit(&pokeVariant[0]); , j5 f. t/ i! i* A
pokeVariant[0].vt = VT_BSTR;" w: H, [% C+ Y( |' G6 ]6 Y- r
pokeVariant[0].bstrVal = valueStr;
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/ G3 t6 |6 @& g; a. P; l+ C itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");) L+ c1 H6 j3 H" Z# L
VariantInit(&pokeVariant[1]);
; T n) G4 v; w3 g+ _" ]& k pokeVariant[1].vt = VT_BSTR;8 ~" { ?, G% u
pokeVariant[1].bstrVal = itemStr;4 @* r5 b4 i5 \+ a2 s
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topicStr = SysAllocString((WCHAR *) L"system");
% ?: D( P5 b& U" W$ h' G VariantInit(&pokeVariant[2]);
* a8 I1 t7 q8 |3 p: H& n8 F pokeVariant[2].vt = VT_BSTR;
4 O ~8 Z" ?" f pokeVariant[2].bstrVal = topicStr;2 \ M0 {% N |* {
$ Z$ b( ? C! W, w# N// Set the DISPPARAMS structure that holds the variant.) s3 O9 g; b+ O) |
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dp.rgvarg = pokeVariant;
5 ]4 w% L" U% l: J" @ dp.cArgs = 3;
8 O0 |9 E# @8 E+ ]/ _0 z dp.rgdispidNamedArgs = NULL;8 u3 S! a. [' @7 `3 `, t
dp.cNamedArgs = 0;
8 G& @2 ~) U1 S7 n
, e1 n" k A! t' B9 G3 G3 T1 [( F// Call IDispatch::Invoke()
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4 b+ H( q0 T' V' x3 p2 O hr = m_pDisp->Invoke(+ @2 e- ]2 K1 W( _" a1 w- V
pokeID,
8 ~9 {, z2 C' G2 u e I9 z5 O+ F1 S IID_NULL,0 w( t$ u& K3 _4 [
LOCALE_SYSTEM_DEFAULT,
' j1 ~. O! V7 a0 e DISPATCH_METHOD,
( C! g: X& \( s* B &dp,
# v1 Z6 w" Z2 p4 L0 l5 G NULL,
; W: U! [/ Q5 z2 r &ei,
5 g# [$ B, D7 ^& f: J/ w: y/ R &uiErr);$ r) y) }, p+ _' |* u
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SysFreeString(topicStr);
) x3 ]$ @9 u F9 Q, F SysFreeString(itemStr);# ~4 R1 ]' T- n) z
SysFreeString(valueStr);& }$ g1 w, X- n3 W+ J+ t2 w" n3 z! K
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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???: t; a- I( m& K- e' 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????1 F# m& C8 O+ t% U8 { }7 j$ W
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2.这是request的程序$ g" H5 y- q G, J0 c- O
// Request a value from Extend
+ p6 B" _* q' R3 L+ z# f- j//
0 m5 l9 n/ b0 i1 } y// Initialize the variant that will hold the BSTR. Set the variant's
6 }6 n) z4 }7 q C, Q2 w// type flag to indicate the fact that this variant holds a BSTR. Place the: x7 ~4 \2 L# U1 D" U* o
// BSTR into the variant structure.$ p G) `" T6 b
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);- c% e+ K3 ?- P3 U5 o3 l
7 a, D" V% T' ~5 I5 S: E$ H itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); l% c( k/ g8 y$ M6 F2 R& s: K
VariantInit(&requestVariant[0]);
$ I$ A8 U+ L$ T6 u/ A requestVariant[0].vt = VT_BSTR;
. d# ]/ ^. P1 K( ~ requestVariant[0].bstrVal = itemStr;
* v7 N) q a5 A6 K/ K+ Z
" I0 \! X! E6 x$ M0 \3 S7 E7 E6 L topicStr = SysAllocString((WCHAR *) L"system");( _- [7 u) L n
VariantInit(&requestVariant[1]);
" }! h% @4 J4 y4 k; |- t/ p requestVariant[1].vt = VT_BSTR;0 |' i( H5 A4 h- ]" }4 A
requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.8 z( i3 m" v. G+ A5 p6 I8 ]
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dp2.rgvarg = requestVariant;
1 p: v3 o$ l! y6 B5 E: d) E dp2.cArgs = 2;
2 a, I6 u1 W9 F6 h) Z& p dp2.rgdispidNamedArgs = NULL;
}) T% |' p/ m! Y0 z dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;7 z8 o$ y6 D/ A! h( J
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// Call IDispatch::Invoke()- V" e" n: i% z9 w, s- {
0 f% Y) q/ ]( M/ K, k& \0 E; F hr = m_pDisp->Invoke(3 {, x3 q0 R& }
requestID,+ u( f b/ y0 `$ |
IID_NULL,
$ y$ Z. I; G, o4 W6 z LOCALE_SYSTEM_DEFAULT,% d+ b" ~1 f1 c; o- E6 h
DISPATCH_METHOD,9 v7 E* ]% q& w1 r. a) h
&dp2,+ d5 `: ~9 P# `0 q8 }) u
&var,9 d0 |' }$ y2 L7 K
&ei,
0 P& i" K) k2 M2 l &uiErr);* t+ Y/ e r7 S. c& {/ d! s9 a
7 ~- i0 B8 D+ R% b+ Q SysFreeString(topicStr);
3 y/ t+ h0 W1 u- h! Y' { SysFreeString(itemStr);
! L) }" S9 \% s0 S! i0 k- N8 P请问该程序是获得extend里面的哪个值?( }& F- G5 Q" E1 F/ ?7 V" u1 @
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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