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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& U. _$ L. I6 N- D3 ^Name = (WCHAR *) L"Poke";" M. s3 @( c4 a: q# v
; w$ y5 `+ F. A hr = m_pDisp->GetIDsOfNames () ~( k" g# ~& U. J
IID_NULL, // reserved
+ ]: O5 _# z D, ^+ g! m &Name, // Array of names to get IDs for7 _4 F; Q: x0 Y. b4 K
1, // # of names in the array9 v- m2 D" a2 ^* x: g
LOCALE_SYSTEM_DEFAULT, // System locale Q% l. s. i7 x9 W
&pokeID); // Array of IDs to fill on output
# {& t* X7 m1 w- u" t
/ z! C$ k* I" b4 E2 R if (hr)$ }& t0 R4 ^' g
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MessageBox ("Get Poke Unsuccessful");
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/**************************传递数据给extend**************************************/2 b: b. E# M X6 |' n" Z3 x- ?4 f
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");# W6 b) I! t! C8 i4 w4 _5 B8 [
VariantInit(&pokeVariant[0]);
v7 x5 j" z; v pokeVariant[0].vt = VT_BSTR;% G* l* G$ E; t# p* s$ E
pokeVariant[0].bstrVal = valueStr;
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+ t( v7 | j+ p5 p. | itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
$ `. }+ l" f6 W. w' b! g9 R9 c VariantInit(&pokeVariant[1]); ( Y n8 ^0 n' b% \% k1 V5 _
pokeVariant[1].vt = VT_BSTR;' H3 ^% L$ N9 k# C
pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");: n# V3 T- `2 J# h: X, w( v. F
VariantInit(&pokeVariant[2]);
4 B2 v7 S/ v) B3 {' K+ p1 X* t- y pokeVariant[2].vt = VT_BSTR;
# ^# B3 w$ u* u( E) \ pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.- g$ Z. n: \) b$ K' r |7 l( ]
6 s" s- M7 J, `8 K dp.rgvarg = pokeVariant;
3 V6 t& p! {9 q dp.cArgs = 3;
/ q9 v: {( M/ ?# e+ R) r dp.rgdispidNamedArgs = NULL; m# O2 |" R' T+ [( v
dp.cNamedArgs = 0;6 m- [) Q/ S! a0 l1 o
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// Call IDispatch::Invoke()9 X {7 q4 `5 y) r
! I7 v) Z0 h! W hr = m_pDisp->Invoke(
$ V7 M5 T$ W& f pokeID,
0 q0 q4 O" u2 \0 k7 F6 X IID_NULL,+ l- J5 u: E# Q. Q n& H: R5 c
LOCALE_SYSTEM_DEFAULT,
0 l( M# w$ a c" B( ] DISPATCH_METHOD,& u$ c4 ~8 I$ _- e/ D% J+ u- ]
&dp,7 q) g5 S' Y0 B- [6 P+ E! O( @* P
NULL,- r0 j6 _! p6 b* {! l/ Q. S
&ei,! r/ e9 \! i7 z5 J4 y
&uiErr);
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SysFreeString(topicStr);
7 P9 k9 _8 ?" U SysFreeString(itemStr);
& K* `5 A8 O! W/ n9 ]8 v1 C SysFreeString(valueStr);
$ E, ^7 i7 N4 S. f# o9 r/ f
! j9 F' w; ^& C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???
% b$ k H+ V3 R3 s" o8 ]- G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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2.这是request的程序
& h) y& w, `/ Y) T7 l) e, F// Request a value from Extend3 A( W8 C1 a7 \0 j5 ]
//
6 A- R7 j/ W* d/ k5 M v4 q6 a: O// Initialize the variant that will hold the BSTR. Set the variant's
& T& u3 c1 j0 p1 m7 G! P5 {// type flag to indicate the fact that this variant holds a BSTR. Place the1 I) ?6 X( ?$ M9 U
// BSTR into the variant structure.
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" F0 o" J- Y1 i# ?" k requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
9 v2 O. I1 G8 J4 m+ G& i8 j VariantInit(&requestVariant[0]);
8 m( K' g& r, E$ D! M requestVariant[0].vt = VT_BSTR;$ B& m% n0 o/ s6 H
requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
" n5 A* i% y, a) K1 o- @) p2 P VariantInit(&requestVariant[1]); % c4 F# m0 S- |, z
requestVariant[1].vt = VT_BSTR;. v3 J4 y$ B, l% F
requestVariant[1].bstrVal = topicStr;
+ D( h' H) B( ]/ e+ _: y
, a! m9 ?( N5 U' |1 w// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;
- L1 u. {9 [. G( O dp2.cArgs = 2;
. `! P4 q. ?! X% H: R dp2.rgdispidNamedArgs = NULL;* y& @$ h8 B+ _8 A3 R
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()
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2 W$ w& F2 C( f hr = m_pDisp->Invoke(
' R' f9 @$ O1 |2 F3 K. d, L1 M7 _ requestID,& s7 t5 l2 v: @6 M0 I6 C4 w9 ]
IID_NULL, c% n6 J; b. e5 h @5 w# p6 @+ k
LOCALE_SYSTEM_DEFAULT,
8 `! R8 o: v& Z0 A DISPATCH_METHOD,8 G1 |- q9 C& V, e
&dp2,- s# s. n) _; n# u4 h
&var,
, Q% d( b, A/ ~* l5 k &ei,. b& K7 w0 y& A& c& C* [5 n
&uiErr);
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SysFreeString(topicStr);
1 _6 v2 M9 N1 P, J SysFreeString(itemStr);0 {1 R; k9 P# H6 e8 l
请问该程序是获得extend里面的哪个值?
/ N6 O! X9 H C" `4 u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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