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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:/ r0 {3 c1 C) l6 t/ h2 w% t
Name = (WCHAR *) L"Poke";
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8 s9 R8 J; b2 ]$ p hr = m_pDisp->GetIDsOfNames (
* b: \* d1 @9 K# X, A IID_NULL, // reserved
5 \( t5 b) ?0 \, q: S &Name, // Array of names to get IDs for( k5 L6 Y! l+ w- \4 q
1, // # of names in the array
+ A, h6 [% f' n! W9 D7 ~# L LOCALE_SYSTEM_DEFAULT, // System locale! H* [! {( u; U) A) f9 S9 _
&pokeID); // Array of IDs to fill on output
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if (hr)
6 k2 h! o1 H$ k, Y( I, d {
1 @7 j4 e6 y) R7 s MessageBox ("Get Poke Unsuccessful"); k* [1 }6 ]9 s3 ^( Z c
return;
+ C2 C+ R: u- q, J }
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* d- V: L2 x. k- O! S/**************************传递数据给extend**************************************/
& B% r3 i" e" r* |7 h& h* \; Q- f+ q pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);* a/ k7 q5 J+ U# W
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valueStr = SysAllocString((WCHAR *) L"1232");
6 F$ X( P" z: c g1 Y4 { ` VariantInit(&pokeVariant[0]); - i' L. _) X, ?' t; ^0 }
pokeVariant[0].vt = VT_BSTR;+ g z8 `- N% c3 ~0 q
pokeVariant[0].bstrVal = valueStr;* { ~) ?2 A) O8 Q6 ~9 m
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
9 c2 @+ Z/ ?! G! |( K VariantInit(&pokeVariant[1]); ! S+ L6 x! b( _! [. L
pokeVariant[1].vt = VT_BSTR;& Q8 r8 }2 ^/ C0 t0 P( B; q0 o; m
pokeVariant[1].bstrVal = itemStr;
; Q% Q# E% w, [
$ n$ N, b1 U; ]" S: s topicStr = SysAllocString((WCHAR *) L"system");3 b* m" I0 F8 ?2 i5 f
VariantInit(&pokeVariant[2]); 2 G! L$ W/ d: I% @, n/ Z
pokeVariant[2].vt = VT_BSTR;
1 s6 g3 w4 N% @, e2 a, z: L pokeVariant[2].bstrVal = topicStr;& J" S4 Q4 A2 x. Y, |* p1 M
" u% `7 }4 h) U; ^// Set the DISPPARAMS structure that holds the variant.' {3 O% u: Q& t: s1 t0 {, N0 h
C% V! I1 r& `8 M$ s2 V! T
dp.rgvarg = pokeVariant;
2 j8 V4 ?$ I; S dp.cArgs = 3;
$ ^8 _; L& Z+ o k4 Z: S dp.rgdispidNamedArgs = NULL;
4 R3 F" x, S- L# R0 \- A* h' X t dp.cNamedArgs = 0;2 O% U- t2 m- p# E a
( N9 U1 j% v! y- Y: y( t// Call IDispatch::Invoke()+ s" n+ Q8 l" g U) f5 X4 y
7 `6 h8 H+ ~# ?4 u' W' f0 r4 s+ Q/ O hr = m_pDisp->Invoke(# A% x6 |4 U( \3 z" {, d) T
pokeID,* J: b, N( ?" `3 B" W) u: x
IID_NULL,
. ~! g" y6 s9 V/ W LOCALE_SYSTEM_DEFAULT,% U; q1 b: [3 P$ N2 i
DISPATCH_METHOD,
5 \) t4 s1 [2 D5 @( ^( {. n &dp,
' r. Y; ?6 g1 C NULL,
7 L2 p% a+ e8 J" x O' U: o8 J &ei,) t+ j8 a. N* M
&uiErr);! x+ {6 J6 [. F( @
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SysFreeString(topicStr);
! O8 ^6 ~2 `) D2 J SysFreeString(itemStr);
- O, n/ g5 K2 B/ O6 L- q2 P SysFreeString(valueStr);
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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???
0 N" n7 j3 u) 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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2.这是request的程序6 J5 W. |0 Q7 ?
// Request a value from Extend
5 G5 Z- F+ }, a1 B( I$ @3 p8 B//( N$ V. o Z n: ?% ` P
// Initialize the variant that will hold the BSTR. Set the variant's
# F2 w# i; C% t// type flag to indicate the fact that this variant holds a BSTR. Place the! Q' ^1 r& \0 e: ~- j5 R
// 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");
" m }: t: m, e- s6 u' t) z0 J VariantInit(&requestVariant[0]);
# h2 T$ T& H% O% O( E/ c5 Q9 \ requestVariant[0].vt = VT_BSTR;
. y% y* c. x- O8 f$ Y requestVariant[0].bstrVal = itemStr;
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2 d/ [' g$ W. D2 l" K topicStr = SysAllocString((WCHAR *) L"system");' v. {& _& f$ H& S. e1 h5 |
VariantInit(&requestVariant[1]); ' \; [/ F1 B9 u6 b6 w" B8 D2 v: E4 Z3 D
requestVariant[1].vt = VT_BSTR;
2 L6 ~2 i, _) l7 a requestVariant[1].bstrVal = topicStr;) Q' n( ] r: h! E+ s$ i3 Z
% k& a$ I( u6 G: C* W1 a# A// Set the DISPPARAMS structure that holds the variant.
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4 ^+ s, T/ I5 k7 g dp2.rgvarg = requestVariant;
7 b/ e6 A% r$ ~6 T. @ dp2.cArgs = 2;
2 H& H+ r1 f7 P' Y" B dp2.rgdispidNamedArgs = NULL;& c1 k) O# N- O
dp2.cNamedArgs = 0;5 O7 e3 A7 o8 i6 I( S6 e' r) `
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var.vt = VT_EMPTY;
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$ s5 @9 X* ?0 d) M// Call IDispatch::Invoke()
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- j& y [2 W" d4 _ K3 I% s3 F hr = m_pDisp->Invoke(6 ^% l& i/ l3 k9 s# A" K4 ?/ p! Z
requestID,
7 l( c- d( j$ V! Q2 v Z; e IID_NULL,
0 Y' I4 E. `5 N: f$ k LOCALE_SYSTEM_DEFAULT,
6 W5 F4 K0 n; ^1 \$ i. J0 c DISPATCH_METHOD, f' z6 |6 U( @
&dp2,
2 O5 S. s! g# k8 x Z &var,2 W$ l* z) j& t9 h/ x6 L: d
&ei,! r# a/ E2 ?$ v; Y# {" U7 s
&uiErr);3 F! I2 t. T% x
" G! `7 U2 Q6 T" W7 b SysFreeString(topicStr);* e( m, A6 V) x8 I, i& p
SysFreeString(itemStr);
' K& k, k4 z4 N! ~2 P请问该程序是获得extend里面的哪个值?
5 v( L5 V! x8 `* V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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