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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:, c& t- ~$ [. F
Name = (WCHAR *) L"Poke";
4 }2 u$ h% E; A8 T5 ~2 ^ . w- [* N; O+ a' _
hr = m_pDisp->GetIDsOfNames (
; D S& [% C+ z) j IID_NULL, // reserved
4 u; V/ l/ j; u# k, j0 Q5 r &Name, // Array of names to get IDs for
; |0 H' I9 b# r 1, // # of names in the array; b6 g5 m! u! _; I: f I
LOCALE_SYSTEM_DEFAULT, // System locale7 m( C W6 [" z
&pokeID); // Array of IDs to fill on output
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, a7 [+ F3 J0 E% V if (hr)- V( c$ j6 o% ~7 e1 T
{
0 k+ ?! k+ A& F8 L5 @& X MessageBox ("Get Poke Unsuccessful");& w- X8 I+ v# w6 K4 g3 J) h( }
return;, @6 Y/ w# D+ [0 P
}
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/**************************传递数据给extend**************************************/
$ n Q5 m/ Y0 }, ^6 l2 ? pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);5 C E- \) g4 Q: {0 p$ B
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valueStr = SysAllocString((WCHAR *) L"1232");
, E& Q R% _' K# o. D' y VariantInit(&pokeVariant[0]); : y% l5 r; s- H8 @0 ?* r+ \( S1 X
pokeVariant[0].vt = VT_BSTR;
1 C/ E+ B7 u- e" q2 [ pokeVariant[0].bstrVal = valueStr;
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; t$ G1 Q7 S& K# T- A* v itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
% w" K) }8 q4 T VariantInit(&pokeVariant[1]); ) \# |. D. I, L
pokeVariant[1].vt = VT_BSTR;
+ p! k: ?* b2 i" q pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
# w% p2 h7 u- I5 P) | VariantInit(&pokeVariant[2]); 7 T1 }2 \' d3 b
pokeVariant[2].vt = VT_BSTR;+ v" o3 P8 Y9 D1 K Y( L1 ~0 A, d
pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
1 `' s( D* U$ n0 O% C1 N _ dp.cArgs = 3;
; x; @0 ^# i7 z* \. C. O9 C( o dp.rgdispidNamedArgs = NULL;7 m7 n* f8 @9 `, L
dp.cNamedArgs = 0;
4 z% n0 F8 c `+ `2 x
3 P* f, y- P+ ?2 s// Call IDispatch::Invoke()
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, ?6 C% F! r4 \# {) o- e hr = m_pDisp->Invoke(7 m& }3 d' e. R2 d1 X) A
pokeID,' g; K7 a/ _' q" M Z- c! j
IID_NULL,( D' d7 ?7 _1 N2 F
LOCALE_SYSTEM_DEFAULT,! K/ S* r6 X4 J7 z1 v* { M
DISPATCH_METHOD,8 ^# |' ~1 k. Q1 J3 A
&dp,6 B+ e# ]# \9 Z; e
NULL,0 R* e( k& a$ D+ ?4 }0 V
&ei,
- A; U8 b5 ]8 a6 u2 l &uiErr);. i0 C9 f- h9 x9 _7 T
1 s! Z% i$ j X/ M" p5 O' I
SysFreeString(topicStr);! j3 g, u& I; {5 ^- s E4 D
SysFreeString(itemStr);" e S# z( P% F. l
SysFreeString(valueStr);. S* ~. b( W: u" Y
- y5 T( z" T' Q$ y( K( k2 l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???
% |" ]' F8 C2 D8 H4 Y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7 h, A! j3 }' x K
// Request a value from Extend; k6 T* p3 X6 x
/// h( p4 o7 l! q* b: J# k Z
// Initialize the variant that will hold the BSTR. Set the variant's" |$ M. Q6 F: }6 o u6 K
// type flag to indicate the fact that this variant holds a BSTR. Place the
) k5 n: i# y9 S' ^// BSTR into the variant structure.; Y6 b' X( [" x0 k$ H& g$ j0 V: D
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");' ^6 g" ~& N6 E# l& d2 n
VariantInit(&requestVariant[0]); + g) Y7 g% X) ~5 W0 {
requestVariant[0].vt = VT_BSTR;/ u2 \2 }! S6 f
requestVariant[0].bstrVal = itemStr;" x% L8 U. h7 ~ K
! K1 e$ A# N5 N
topicStr = SysAllocString((WCHAR *) L"system");
7 n8 [* Z" F; T8 T& l VariantInit(&requestVariant[1]);
# w! S" C0 n6 @/ e! [! { requestVariant[1].vt = VT_BSTR;
* \% L# P) J* u& T- u requestVariant[1].bstrVal = topicStr;$ Z' F- Q. Q) F% G. ?
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// Set the DISPPARAMS structure that holds the variant./ V: W% n: r5 {3 G% G8 V* x' R
5 b; I7 l# n; P* X% k dp2.rgvarg = requestVariant;
3 A4 O4 J! R! X, M2 I: A dp2.cArgs = 2;
! h/ V4 _. X8 a' {! j% m dp2.rgdispidNamedArgs = NULL;
8 | Y4 D( F9 M6 `$ X/ P* d+ B dp2.cNamedArgs = 0;) X- O/ D; A8 G! M: F3 g
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var.vt = VT_EMPTY;
. h) y* C9 }8 {
2 Q) X; T; {" s! U// Call IDispatch::Invoke()
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0 c$ z$ H6 c% p2 C+ V/ p- n hr = m_pDisp->Invoke(5 I& B" s8 \6 m" P; P ~
requestID,; q; j; G- u- _- }
IID_NULL,8 g: d5 o1 a2 S" ]9 [/ ]4 w
LOCALE_SYSTEM_DEFAULT,$ [8 K$ l4 y F1 B( n* Z
DISPATCH_METHOD,
`% h5 P1 T9 g. b/ `9 V- w &dp2,4 _) i4 t! s4 {1 v! T* n: K
&var,1 z6 ~5 @( x) N {2 N' i
&ei,
. |; a! A: F/ ~. `% X0 x' m* O &uiErr);
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4 y$ n6 q# V) Y& |% b# `3 d SysFreeString(topicStr);
; [, e. A( \& z+ Y; y" g7 K' p SysFreeString(itemStr);3 ^8 V* z( P* [! _% x7 m9 Y- p% H
请问该程序是获得extend里面的哪个值?: z! W7 e* G |; T
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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