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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:; G: @) x1 R, K' {
Name = (WCHAR *) L"Poke";
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( _8 f% x" H& C- Y2 b. D0 j hr = m_pDisp->GetIDsOfNames (
l- L) v. ?+ u IID_NULL, // reserved0 p. v' H8 o, \" t3 _+ y" z- C
&Name, // Array of names to get IDs for
! d. K2 O+ y! }% V8 N 1, // # of names in the array
& x$ t8 @, q1 a! F7 U5 ^; g LOCALE_SYSTEM_DEFAULT, // System locale
G1 h# w) }4 g/ N5 y L &pokeID); // Array of IDs to fill on output3 c2 y1 @) R) L: j# ~/ y
& U8 ?* F3 Z% A/ R! d$ O/ t& h
if (hr)
1 |% T. U- s+ O8 { {
/ k: x2 I2 l) T; M( o( h" i MessageBox ("Get Poke Unsuccessful");! m: X7 t/ Z+ u e
return;
4 m, m* c. H6 e }
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/**************************传递数据给extend**************************************/& I2 R$ k8 @3 N5 C8 [
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");: Y0 P5 \1 w* I0 }: [8 o) h
VariantInit(&pokeVariant[0]); : N; _* k( z3 E1 g; L; Y1 I8 L
pokeVariant[0].vt = VT_BSTR;+ f/ Z2 @2 T- J
pokeVariant[0].bstrVal = valueStr;3 H7 o7 B$ L, }5 e8 [
( a' q& ~7 S; W0 I+ u* c. x itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
" Q ]6 ~% d7 u' N4 N VariantInit(&pokeVariant[1]);
9 \- r0 g* k' x T8 G/ M8 { pokeVariant[1].vt = VT_BSTR;
0 e% k% G& e0 C6 f+ R# p' V pokeVariant[1].bstrVal = itemStr;
! u. R" k8 W8 U( `! B# `) S
' b/ x. K2 u4 E1 O2 S2 a topicStr = SysAllocString((WCHAR *) L"system");
" C( @& Y- U6 s) s3 V8 |$ V/ k VariantInit(&pokeVariant[2]);
5 [% z' l5 X( l1 f! G3 ?8 d$ z pokeVariant[2].vt = VT_BSTR;4 ^0 @" K4 V B$ U
pokeVariant[2].bstrVal = topicStr;
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, e9 b0 E5 a: ?; E; c! T& @& z- U// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;% b! N" f, L6 \ O# R
dp.cArgs = 3;! E* i8 a; t: `+ I
dp.rgdispidNamedArgs = NULL;4 A! u3 z* c8 Z* F" C8 v4 F& Z6 r
dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(" L \" Y( c) I- b1 S! a
pokeID,
3 a' ]( ?0 b2 W/ b, D IID_NULL,
, P3 x% j1 m" h7 i& J LOCALE_SYSTEM_DEFAULT,* |+ k G# Q6 U. r/ h5 k
DISPATCH_METHOD,
4 j J5 I$ d! K ? &dp,$ Y; E& e0 B7 Y. e5 K; M4 a
NULL,! h9 M( v/ {9 u4 P) N
&ei,; B+ X; e. s- g
&uiErr);! z( \) y- U3 c7 Z4 _
# L. n$ k2 P" |2 r. p4 z/ H4 f7 q
SysFreeString(topicStr);
# L0 p* e& u# p! P: X SysFreeString(itemStr);
& N% u8 {& m& i1 H- l4 p+ i, | SysFreeString(valueStr);7 [' x8 h0 {. X, R6 h8 }
7 E! ]& @8 M4 T# Y7 l( ]' i6 _0 p$ A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???/ Q6 i" x( Z5 v7 }' {$ K) ?
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????' E1 a- }% C" J. _ P
2 A4 L' g7 R0 Z T* |4 F
- ^1 V) V7 P) _2.这是request的程序
. C! _$ H% v7 [9 w) J// Request a value from Extend5 ]( H- @' a9 z4 H; Z4 ?0 @, y9 X
//6 s, Z- F5 e1 }8 V# i- ^
// Initialize the variant that will hold the BSTR. Set the variant's& y6 u! Q' c9 l8 Q1 R1 d* _
// type flag to indicate the fact that this variant holds a BSTR. Place the
2 Z8 x% c+ `, a5 a( P// BSTR into the variant structure.
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' Q V- u9 O- ~5 a6 H! D3 f1 ^ requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
9 u6 z4 c% q4 _6 T / u( N" l+ {3 |+ s" [1 B7 w0 g
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
+ u$ H! x9 p/ y4 d1 G) O$ s VariantInit(&requestVariant[0]);
9 T$ V, d7 ~2 r9 C* M4 M q requestVariant[0].vt = VT_BSTR;
! ]1 f$ W+ e0 Z+ U8 C requestVariant[0].bstrVal = itemStr;+ d! ^$ n2 q& h
' q# ?. G% H& F+ b% I( L0 Z5 p0 {6 B topicStr = SysAllocString((WCHAR *) L"system");
, |5 Y* W* K0 \& } VariantInit(&requestVariant[1]); % q, y( \9 Q. L* {. `$ _
requestVariant[1].vt = VT_BSTR;
. c9 `# R6 X$ @7 S/ L requestVariant[1].bstrVal = topicStr;9 B) X0 _& |7 [+ g* J! D+ M: d
! U/ ?4 X9 C' {' N' X" Y) b- ]
// Set the DISPPARAMS structure that holds the variant.. }, h" G8 d) d' l g4 R9 q( E
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dp2.rgvarg = requestVariant;6 u2 u/ ]5 @" j+ b5 ]
dp2.cArgs = 2;
% @: R, [) z: G+ h dp2.rgdispidNamedArgs = NULL;" W8 b: l% t/ C2 t
dp2.cNamedArgs = 0;$ t1 W" z1 ~7 b3 T
2 C2 H( X* V# `% X
var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()
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T& n+ S0 Y8 ]: U/ i& L' S hr = m_pDisp->Invoke(% I; y( H8 g" D
requestID,3 [3 g6 [# Z& X" e% {. w( g
IID_NULL,
* Q3 T4 t# ^& M8 n4 v LOCALE_SYSTEM_DEFAULT,' j) f8 n! V+ l( h
DISPATCH_METHOD," x) @* `9 M5 z5 X* t
&dp2,
) l( O) U, H4 O1 B &var,
8 ]* D& N! @+ j: K! e, B &ei,+ L; h: f3 r- }" B
&uiErr);! P: [' }! i' w' B. e
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SysFreeString(topicStr);8 R7 t8 ~7 n- J- Z) u$ n* i+ W4 D
SysFreeString(itemStr);
6 d6 _4 }, B3 l q1 z9 ]请问该程序是获得extend里面的哪个值?
) \+ t! v( X& ] H: H/ C3 ~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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