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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:
- K& R, T' r2 a# {, r+ o6 YName = (WCHAR *) L"Poke";
& L/ E; j8 R; _' b- O$ Z
' m! Q& ^3 s0 Z: r' y$ E; q hr = m_pDisp->GetIDsOfNames (
% M9 b% w$ O3 s# l' q IID_NULL, // reserved
- w5 ~5 W' v3 n8 i* m/ s0 | &Name, // Array of names to get IDs for
) K1 q$ ]/ H f# @& R" f( Z e/ ~7 q' J 1, // # of names in the array
- ] S2 p+ Z* T% G LOCALE_SYSTEM_DEFAULT, // System locale9 r- l" W0 w4 P- W% d
&pokeID); // Array of IDs to fill on output: S; ]: e7 S) R% ]" h
% I" Z& h4 ?1 Q2 _ if (hr)6 l; @( a' c% c4 j; U1 @
{+ a0 q1 s) u* J8 B9 C- A8 E
MessageBox ("Get Poke Unsuccessful");
4 T3 l" i4 k/ ^4 s7 @ return;
N% V* [3 ]. S. A/ y; u; l7 w }$ e. m. N2 O0 ]% ~% s6 X3 D1 q
5 a% d% N" V: { U8 E, H/**************************传递数据给extend**************************************/3 J- P8 Q, l4 U7 J2 i, u
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
# v2 J( Z. g8 Z7 p6 N( S. ^2 i
p2 a/ T5 M1 N5 v9 z3 ^4 I" O2 \ valueStr = SysAllocString((WCHAR *) L"1232");
7 k/ K6 k" U7 Z VariantInit(&pokeVariant[0]); % P* H; n, ?/ }1 j1 }/ G4 _2 Z& s
pokeVariant[0].vt = VT_BSTR;
2 A2 C- A( b% }9 C# L4 N pokeVariant[0].bstrVal = valueStr;
: L0 [8 ^9 w2 a: f. ]
& `: ]0 B8 i8 x0 H7 s itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
& n( t) G7 ~8 {. X3 W VariantInit(&pokeVariant[1]); " S" ^* y/ O. m
pokeVariant[1].vt = VT_BSTR;6 J2 o0 ^" _: f7 v, Q7 q+ }
pokeVariant[1].bstrVal = itemStr;
# ]1 S2 w& D5 F2 v
/ f$ j; T4 W% N6 ~ topicStr = SysAllocString((WCHAR *) L"system"); j9 R$ @9 j9 ]( Z" ]9 G4 d
VariantInit(&pokeVariant[2]); 4 Z6 H) y' h+ W' F, N( j
pokeVariant[2].vt = VT_BSTR;( {4 u* O* B3 ]" z
pokeVariant[2].bstrVal = topicStr;. {5 G `0 j5 R) d* C& d2 r r
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// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
# o- E4 a8 q" B( Q6 B3 t6 \" D dp.cArgs = 3;
" D! k; ]0 \1 ?1 U1 W: z/ C: ] dp.rgdispidNamedArgs = NULL;
) U: I8 r5 S9 ?9 u% b! e dp.cNamedArgs = 0;
! `7 e0 G1 L5 W7 M( ~# ]% F1 ?- M7 o$ x' R7 a2 ~- K: |9 q
// Call IDispatch::Invoke() M4 P" r2 W+ H" ~0 F
! V7 I# V4 ^$ J" A) ] _ w hr = m_pDisp->Invoke(4 d( E# S$ Z" ?" X2 z: `
pokeID,, z" ]$ \. c! x* K3 B4 a$ J5 D
IID_NULL,2 V% b1 y7 a& d0 N$ M
LOCALE_SYSTEM_DEFAULT,6 R- W' ]2 `) x
DISPATCH_METHOD," w$ A, C8 D) C9 ~* L. L
&dp,
) m: v3 A5 r# P0 E& {& h/ u& X- _ NULL,8 W1 f$ g& {7 }# `8 U7 E
&ei,
6 N5 k# b8 {/ M" {* ` &uiErr);& M3 n+ j/ U, Q# x$ u- z
: |! i8 u" U9 H& l: @
SysFreeString(topicStr);
4 \5 v+ ]( ]# F5 [ SysFreeString(itemStr);$ s* @/ l+ ]5 I
SysFreeString(valueStr);" d( n3 K0 T1 n( `
4 ? x4 e j% d" X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???8 r8 }' _8 Z. `/ X
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????9 x% N! T. E6 ^2 s8 j9 w0 e0 l& H" g+ z
" T* P$ x$ d3 W. ` A1 _, z' L5 }1 L9 t5 z
2.这是request的程序
5 f1 j4 E+ `& P4 v( B// Request a value from Extend
9 E% X% X _ O; l# W: k8 f9 J//
3 `; H5 B! B7 p- o' D6 L: T# w// Initialize the variant that will hold the BSTR. Set the variant's
2 K3 J) {, `5 L7 q8 Y1 x// type flag to indicate the fact that this variant holds a BSTR. Place the
8 G, X3 m# `( w# F' _* e& M! y// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);7 g$ |4 `5 i* l
- }3 K. h$ F3 C/ @" N
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");9 [+ {& L7 G$ A9 r( |4 [' h* B& X
VariantInit(&requestVariant[0]); . M0 u+ g6 ~1 w8 `
requestVariant[0].vt = VT_BSTR;
7 ~# d5 X6 Q6 g5 b4 p; r/ c3 y requestVariant[0].bstrVal = itemStr;
- G; i E. v, Y0 @/ |5 M/ X* i: T/ [! l/ r; @" F; k; B
topicStr = SysAllocString((WCHAR *) L"system");
5 ~2 ~* v7 p/ z; O VariantInit(&requestVariant[1]); 7 x N+ _0 ~3 \! n* J3 l
requestVariant[1].vt = VT_BSTR;
; E- d/ q0 |7 N$ Y4 P requestVariant[1].bstrVal = topicStr;) o+ [% E; r% s" R! A; `# V% f
$ O& e4 w% ?% J$ t! V2 U9 X( y// Set the DISPPARAMS structure that holds the variant.! ~: U& p) O- d" M. I$ G
7 \% s& y9 ?; {' q- j: t1 X! b9 Z dp2.rgvarg = requestVariant;1 U1 R! r4 t; w2 G I6 j9 N
dp2.cArgs = 2;
7 z" _% S. w" J& s dp2.rgdispidNamedArgs = NULL;
& }% v9 o7 e0 _* k6 k/ o dp2.cNamedArgs = 0;
9 `' {) h1 z6 E# h9 ~ H
$ c* K$ h9 s* T5 v; \$ i var.vt = VT_EMPTY;
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// Call IDispatch::Invoke(): n* Z. d: U5 E1 {0 [( ~$ J
" i/ Q7 k1 L/ O4 b+ | hr = m_pDisp->Invoke(
; O" G* S s9 `$ g% R( ` requestID,8 j6 s7 ^' o, T. Y, i
IID_NULL,
+ i. T9 b& l5 `8 o/ k LOCALE_SYSTEM_DEFAULT,
4 @1 G+ E9 V& W) [% p) p( u$ @0 E DISPATCH_METHOD,- `. C5 {# h/ | }* q% b
&dp2,2 {! U% S+ |5 {$ k$ \
&var,
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&uiErr);
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SysFreeString(topicStr);" ^2 v& A5 D6 Q, T* q q: h
SysFreeString(itemStr);7 e& Z3 z, Y, [
请问该程序是获得extend里面的哪个值?
; j* K4 p3 d6 q. {$ ^ _: c5 N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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