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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:6 D% N3 `0 k, j" ^) N' x6 s6 o
Name = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (
/ F, x) f- V( _, _6 w9 `9 j IID_NULL, // reserved
7 T: l& T% ?+ O9 Q$ e/ o; a+ f |/ g &Name, // Array of names to get IDs for$ e- H0 A) {% c9 Z/ Y
1, // # of names in the array
7 D- b, S- i8 T% K$ H LOCALE_SYSTEM_DEFAULT, // System locale
, P1 a8 e' u; A8 i* D8 J% J+ W &pokeID); // Array of IDs to fill on output T, O B: _ j3 }
$ O" V- o/ E* j: u4 \7 B* K# [
if (hr)7 z0 H" z3 X: m! v
{; V4 I7 ?' `1 V; ]
MessageBox ("Get Poke Unsuccessful");
+ N2 Q- M" K- t2 t return;. R& W7 {7 M( B1 T' x5 ~& O; f
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4 f) K% R' W! @. Z0 p) K7 C8 r/**************************传递数据给extend**************************************/
! }; e: ?( v( M3 i! f! J pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);4 S% T o6 Y* l2 [3 ]
0 Z" T. y- R2 I- m valueStr = SysAllocString((WCHAR *) L"1232");
4 a7 {0 D5 [" W% Q- B" _ VariantInit(&pokeVariant[0]);
" |( ` U+ d) g( C2 ^! D pokeVariant[0].vt = VT_BSTR;
/ ]! J4 }+ x* d! I; K2 L pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");3 [* v7 w: X: |2 l
VariantInit(&pokeVariant[1]); , }9 F. r; }& f& l
pokeVariant[1].vt = VT_BSTR;& e x7 ~$ h3 N" h( X
pokeVariant[1].bstrVal = itemStr;$ S+ n) A% [9 y4 B6 X
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topicStr = SysAllocString((WCHAR *) L"system");
+ Y% U ~5 {# Y$ U VariantInit(&pokeVariant[2]);
" a7 {4 C4 R- G# c' w pokeVariant[2].vt = VT_BSTR;* K8 C, S" O# \+ x) \( |
pokeVariant[2].bstrVal = topicStr;8 f( v! k9 N7 x/ g# I! Z+ I
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// Set the DISPPARAMS structure that holds the variant.) r" f9 M5 {* E. P& b
2 y) _0 \. k) j0 e dp.rgvarg = pokeVariant;
# C* E6 Z- R8 k- e) ] _/ r$ O dp.cArgs = 3;- X: u6 p' s5 d( A2 c" B
dp.rgdispidNamedArgs = NULL;5 s6 K' Q) a) A9 Y- V3 t
dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()& |: K) I6 }9 R0 i4 l9 r. ?' j
4 x1 ]/ q ~5 Y1 D hr = m_pDisp->Invoke($ |# Q9 ^) ]) Z C; @+ H+ {$ p
pokeID,
: V' r( k& R" i1 q IID_NULL,9 x8 F: ^ N& c E/ Y2 Y
LOCALE_SYSTEM_DEFAULT,
. J% p/ C- d2 ]; s+ f7 {! k9 Y DISPATCH_METHOD,
$ F% } A5 B/ u: @* r &dp,5 S7 r& D* q2 J# ^" `, m9 X' I
NULL,9 I6 C' K/ q/ J, |# q' h' N8 X
&ei,
) ^# A$ h6 i- Y6 N$ Z b &uiErr);
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SysFreeString(topicStr);$ J) f; e) _8 }5 A3 F0 b
SysFreeString(itemStr);
; x3 |) K V9 ^- r2 W4 x9 a SysFreeString(valueStr);$ I- \) z$ ]$ i J9 m$ S
4 E8 Y8 a% A& \/ ]1 r; T& f' g4 E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; V6 c, n: @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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& A* \/ u1 p9 _' ?" Z2.这是request的程序6 g5 @/ [1 H, m* y2 f; Z* h
// Request a value from Extend' }% R* A1 O2 P8 h+ z/ }& _
//
7 Y! |1 X T" \" u. h; w// Initialize the variant that will hold the BSTR. Set the variant's4 s- `/ L' b( [! M" A* T, z7 m
// type flag to indicate the fact that this variant holds a BSTR. Place the1 Y; }2 M( C5 y6 E
// BSTR into the variant structure.+ k9 Z5 A; o6 J2 t
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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+ p' v1 a7 A# M* ^2 ] itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
3 V5 l" \, B! Q+ w VariantInit(&requestVariant[0]);
: Q _# H% l% b0 r8 d5 k requestVariant[0].vt = VT_BSTR;( G! |8 Z$ V- x+ E
requestVariant[0].bstrVal = itemStr;( W4 e9 m' n+ q# K' b
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topicStr = SysAllocString((WCHAR *) L"system");
$ A5 q! E N( `; O VariantInit(&requestVariant[1]);
( S% f2 B3 R/ j/ q requestVariant[1].vt = VT_BSTR;
8 }9 G( w# M; S; q# A; D* T3 b8 W, S requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.# S6 r4 m4 u) M- Q6 u) B
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dp2.rgvarg = requestVariant;
# b6 P4 H: I ]0 W. R dp2.cArgs = 2;
; A# \) w6 a; `" O7 @, c; G dp2.rgdispidNamedArgs = NULL;
$ }+ f1 a& Y8 V' k dp2.cNamedArgs = 0;
; U* z+ R% v* L: t) d% d. z
$ k4 u* Z& v1 T% C var.vt = VT_EMPTY;
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' f% m% h. ?3 l* K/ B. y// Call IDispatch::Invoke()8 |8 B5 ^2 E) p, K0 N9 k0 H) O
$ B6 L A1 n8 D# p/ |7 F/ w hr = m_pDisp->Invoke(& {; }& ^! c9 T* T- B6 @& Q! t+ E
requestID,
2 P, g: R: b' h/ e- W$ e: r. A6 F IID_NULL,2 c8 M: Z1 \3 C% ~2 O0 F# y
LOCALE_SYSTEM_DEFAULT,
- N4 |# M, L- J DISPATCH_METHOD,
( \" t: x: a$ _ &dp2,( T$ g+ ~2 ~; M- w0 f9 ~
&var,
/ V5 d4 G* p3 I &ei,
/ |* D; @8 ^9 E. B! v$ ?9 ` &uiErr);# I; S$ l7 W! T/ x/ k# R
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SysFreeString(topicStr);. \2 B" U/ `! F
SysFreeString(itemStr);
/ K" U, e1 T, K' N9 A# n, h请问该程序是获得extend里面的哪个值?
) ~" j" v# L3 m' k& _ p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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