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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:
, t1 S' [ T* R4 ~' lName = (WCHAR *) L"Poke";! m+ S2 R0 R0 V$ \3 J6 k- Q
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hr = m_pDisp->GetIDsOfNames (
3 {0 x9 p' g( K3 X6 V. \& M IID_NULL, // reserved1 Q& g8 d8 d6 o+ s# k
&Name, // Array of names to get IDs for4 J y6 K i/ I, G9 `3 A1 A
1, // # of names in the array, D) h9 {, A* m" j% P
LOCALE_SYSTEM_DEFAULT, // System locale* P3 Y$ U& H _4 B9 D6 C
&pokeID); // Array of IDs to fill on output( \/ T' j: X# U" d( J
l1 }# k3 z7 p# g
if (hr)5 o( H i& A& J K' G) z
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MessageBox ("Get Poke Unsuccessful");
9 {, M( q* R$ o( b, d return;
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/**************************传递数据给extend**************************************/
+ }/ l/ p4 {1 `, }+ Z0 k k( k pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
/ |3 k& w. t4 k: V; W 5 U! Z- h. ?! t K; |, b8 G# ^5 u
valueStr = SysAllocString((WCHAR *) L"1232");5 m' `8 V/ r I. [1 Z2 n
VariantInit(&pokeVariant[0]); ! R4 Q# D. Q4 z) b" k
pokeVariant[0].vt = VT_BSTR;
% r) k2 G+ B5 T+ _; X pokeVariant[0].bstrVal = valueStr;! a( O" z4 M/ V G
" g% M) \! G& @) L itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");) x8 G& H+ z: X8 }/ c# s# [1 `
VariantInit(&pokeVariant[1]); 9 `' q: A w9 G4 h7 B- v% h* r
pokeVariant[1].vt = VT_BSTR;
) C: O8 R$ D0 J r; n2 D pokeVariant[1].bstrVal = itemStr;) _$ k) y. O; I' t3 E
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topicStr = SysAllocString((WCHAR *) L"system");
7 j# g! ^$ B% P; P, Y6 L VariantInit(&pokeVariant[2]); 1 S( e. S" o8 T4 t0 A' K
pokeVariant[2].vt = VT_BSTR;! Y5 M* E& K. }- g/ W
pokeVariant[2].bstrVal = topicStr;. q# n9 @: Y0 f) d$ X# M$ M& M0 x/ {
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// Set the DISPPARAMS structure that holds the variant.2 f8 s- a5 U, E
; ?0 k- n7 h& N; G. Z dp.rgvarg = pokeVariant;
8 x. I3 _; p" _. v! m0 ~ dp.cArgs = 3;0 H" O, H J' _- H7 j, |: T: V
dp.rgdispidNamedArgs = NULL;
p$ p+ i8 L8 r; S8 H; S8 @ dp.cNamedArgs = 0;
4 N" e# m( W4 g
: Y$ M" q5 I3 G9 y// Call IDispatch::Invoke()
6 I* r2 m9 l8 f) s
! B: p: x H" r# ~4 a; Q/ F8 ` hr = m_pDisp->Invoke(4 B. Y8 k: L1 D& d6 q8 M+ |- X
pokeID,7 S1 E4 r# m, ]7 a0 i( W$ i- u
IID_NULL,
) ^; r) ~& @! W7 z0 [, w5 O. h LOCALE_SYSTEM_DEFAULT,1 K# c: A3 [. c$ ~5 b) [
DISPATCH_METHOD,
7 S% R1 \# b9 e9 f: X* M &dp,
, B9 J2 w3 q4 K NULL,
5 f- V8 p& j G( G &ei,
. O$ m- p- A( x4 p &uiErr);
- R5 E/ E8 r% c5 \. d `2 _/ ^; f4 \- c2 \% f3 ^
SysFreeString(topicStr);
4 _0 Q3 ?4 ^& s SysFreeString(itemStr);
, D9 E' F/ a' S1 F( ^- A* b, K SysFreeString(valueStr);
! z3 Z6 \ I5 G# ^+ V* H/ i) x
; @- M8 S3 ^: s! p5 x ?- y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???/ B3 V9 Z; o7 u7 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????
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; P& p/ Q$ C5 V* D3 O2.这是request的程序- o% E7 K: e( z
// Request a value from Extend% ~/ x! I) C5 }! o. t' I
//& |, Q. I- n" M$ w6 I5 b
// Initialize the variant that will hold the BSTR. Set the variant's R+ W# H: ~; @2 k$ G# G# E
// type flag to indicate the fact that this variant holds a BSTR. Place the- F" O9 q2 ?& s. C; N# ^
// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
2 H& c7 ]2 }+ [) r0 P0 w VariantInit(&requestVariant[0]);
, E$ h- f3 q v* \; x( v8 o requestVariant[0].vt = VT_BSTR;) l) E' G" W/ i/ A
requestVariant[0].bstrVal = itemStr;/ S+ y. o3 W5 \9 V* B5 K+ ~
+ [- }6 q* p6 `5 ?* a- k
topicStr = SysAllocString((WCHAR *) L"system");5 X( V- C- [$ U; M
VariantInit(&requestVariant[1]); 3 z3 H% r4 P, ?
requestVariant[1].vt = VT_BSTR;& \, E2 ]* n" e
requestVariant[1].bstrVal = topicStr;# {! @5 K5 W0 O+ s6 j9 n
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// Set the DISPPARAMS structure that holds the variant.
; ]& Z! Q% o0 V6 t$ B! ~" X6 G) @1 o+ T+ }
dp2.rgvarg = requestVariant;
6 [: W3 V' d8 S4 R+ }! @$ e dp2.cArgs = 2;% N, ^; D/ X: N. `5 J0 p' t/ E
dp2.rgdispidNamedArgs = NULL;
, b4 c8 g* H! Z/ t dp2.cNamedArgs = 0;) T. O" C3 o3 N9 w
0 \8 f! Y) ?# G var.vt = VT_EMPTY;
2 w1 `9 Q7 b$ C# b ?. d: j
: i9 K R% r- ]5 [: t) W& N// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
2 i+ V* w$ {! U6 \7 t4 V requestID," z! I' b/ l5 `, O% V0 u/ |% T
IID_NULL,7 t8 L+ j) [8 ]( T
LOCALE_SYSTEM_DEFAULT,
2 W' N e- Z( J# D DISPATCH_METHOD,
5 k3 Q7 `3 V; o( X. p &dp2, F. e& D% o# U. \
&var,
2 g- o: l9 ?. Q$ I &ei,
* F* I; ?# h4 f3 f- N, Y5 i &uiErr);. C9 I# C* }# [( K, s, B+ w
8 M2 Z! v( F# ^# L( H; y H, W: \+ d SysFreeString(topicStr);
" g* q% E+ i. @0 t. b- V! A SysFreeString(itemStr);
/ Q9 I6 }- ]) Q& B# H$ w请问该程序是获得extend里面的哪个值?
, O+ z$ f% B$ h% E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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