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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:7 [. B2 ?* O) X; n3 R
Name = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (& E9 p z9 V' S% W) a) o
IID_NULL, // reserved* s/ |4 x3 V7 G" E: s5 K
&Name, // Array of names to get IDs for- D$ Z# o" d4 q9 C, E$ w
1, // # of names in the array
! w0 B" ]1 |+ |1 l$ D LOCALE_SYSTEM_DEFAULT, // System locale u7 p2 m: Y, a6 {3 b; x' s2 Z3 U3 q
&pokeID); // Array of IDs to fill on output
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if (hr)1 B: O) r P8 d. J# ~1 Y
{
; v" y% U- O/ a9 G6 A MessageBox ("Get Poke Unsuccessful");( C+ b4 s& H; @/ [
return;5 \- ^) {$ K! @- R# M. g
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/**************************传递数据给extend**************************************/$ [" H, K8 S6 H6 h; f5 j% d
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);! \7 J$ {0 h3 d, X9 q9 C
/ |; a* R0 @0 y5 D1 s; u+ T/ ~9 q7 ? valueStr = SysAllocString((WCHAR *) L"1232");
% y" \/ t8 u; W; b VariantInit(&pokeVariant[0]); # i& E3 O' W& b" N0 i* X
pokeVariant[0].vt = VT_BSTR;
# ?! J) G* q3 V' X, h7 n pokeVariant[0].bstrVal = valueStr;, E9 U* u* P. o O* H+ ?) z/ O! C
9 L# X- J4 R# G+ o* I, w5 o( g itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");: @3 h, C: p# _% e) i( }
VariantInit(&pokeVariant[1]);
4 J. \7 p3 b: ?: Q4 e pokeVariant[1].vt = VT_BSTR;( G3 }2 O! l% a$ J9 D3 h$ @- L% j
pokeVariant[1].bstrVal = itemStr;0 Z* x, [2 e) y/ ?% G) I* F# z) `
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topicStr = SysAllocString((WCHAR *) L"system");" L% i0 ^" A) d8 y7 v
VariantInit(&pokeVariant[2]);
9 C0 `; u; v+ |! Z; \ pokeVariant[2].vt = VT_BSTR;" j4 w, {2 ]; l( M9 |: ^
pokeVariant[2].bstrVal = topicStr;
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: T. L6 j& N: J4 U' \# f// Set the DISPPARAMS structure that holds the variant., U" m4 G- E) c
: e7 E7 ]9 J0 I- }) v& V5 }% ?0 H dp.rgvarg = pokeVariant;
: H" Q1 C0 c9 h& Z" M8 ] dp.cArgs = 3;" }2 i3 l4 E# s* ^* U% [% @9 h& q
dp.rgdispidNamedArgs = NULL;1 i5 f9 Q/ S7 h+ e
dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
' w( q% k& N2 X" B3 Y3 o+ Z pokeID,
8 t* _7 A* I R5 q# n4 @' R IID_NULL,
8 w( E/ L5 L8 h( |( d+ s4 V0 @ LOCALE_SYSTEM_DEFAULT,
& y3 u7 b* V: k$ t0 q DISPATCH_METHOD,: ?9 K6 J. B& R; ^
&dp,$ |# O' r( f4 Z7 @. @. n
NULL,* d$ x8 g; i1 r3 N2 z; r. U
&ei,1 Q' L. q) e+ C2 n W
&uiErr);% R+ E; k' e) t8 x$ n i/ z' a9 V
; Z1 F1 k) P1 f8 R; Q SysFreeString(topicStr);2 ~ E* T9 @1 ^3 s' w
SysFreeString(itemStr);, `' T b5 K5 o; S' ^0 y3 z
SysFreeString(valueStr);
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- N" N+ B7 u+ B# y& ]8 r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???/ r7 [7 l3 R: ^, H$ ]
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????& R% \; i A, R' y( |
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2.这是request的程序
, [ e/ k, d- B- G& e a// Request a value from Extend4 C* b# |- X3 [
//) W: d/ C7 f3 [) ~0 p: b& @2 j+ a
// Initialize the variant that will hold the BSTR. Set the variant's
! m( p/ x$ q7 Z2 q' D! P6 W// type flag to indicate the fact that this variant holds a BSTR. Place the
, B: i l9 x* x; W; G$ }' C// 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");$ X% M+ F5 U3 Z7 {; C0 {3 ?7 s
VariantInit(&requestVariant[0]); % c% V2 O+ h( U, X6 O/ ^
requestVariant[0].vt = VT_BSTR;( u. J" S) U! f/ i% Z
requestVariant[0].bstrVal = itemStr;
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( K+ Y3 n/ Y. H0 ? topicStr = SysAllocString((WCHAR *) L"system");
1 ~2 M$ l! j. D/ W8 U! a VariantInit(&requestVariant[1]);
4 D7 T0 ^% R; D: f7 v& A requestVariant[1].vt = VT_BSTR;
+ t) \( t8 y. O- u requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.7 ^* y9 f- ^: e6 p3 ?
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dp2.rgvarg = requestVariant;- C Z m3 ?4 Y6 [- ^9 D5 Q
dp2.cArgs = 2;* ~! e% m% B% s; z
dp2.rgdispidNamedArgs = NULL;
Y1 `6 _" q% a0 N+ x dp2.cNamedArgs = 0;) f' A5 t! E; t J% w/ G
/ I5 ?4 ?7 m0 \ var.vt = VT_EMPTY;
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7 Q- s; W5 O1 {* g4 |! N// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
! v" e; I: I; K" G l6 D. [ requestID,
3 x5 m0 I1 x! X2 k: C7 o IID_NULL,
; i1 g% _6 p9 T2 t+ l0 b LOCALE_SYSTEM_DEFAULT,4 M: V1 C. H8 B! Y. m2 G! t
DISPATCH_METHOD,; F' Z8 M- D, T9 O. N/ K+ x. j
&dp2,# R1 `8 z9 T+ s* F5 n
&var,
4 D; _4 v( U$ m0 G7 I& u& | &ei,
2 w8 v: W' A2 S &uiErr);
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1 ?6 ~. m! e! u1 J SysFreeString(topicStr);
+ u& B9 C/ s/ p' j# ^% I SysFreeString(itemStr);
- p3 y2 x& a& X请问该程序是获得extend里面的哪个值?2 \$ X9 Q$ C5 Y. v0 z0 o$ |
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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