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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:
( d3 q6 V; J+ t; o; n" J' LName = (WCHAR *) L"Poke";! A( D" t c% q$ Z, L5 w5 _
! e; T8 ^" Y: L# r0 [5 ` hr = m_pDisp->GetIDsOfNames (5 L% z$ a# z1 F( E' H" |
IID_NULL, // reserved
/ P3 F8 b7 N y4 S; N6 t &Name, // Array of names to get IDs for
2 k* K/ z b" { 1, // # of names in the array
, i! p1 B2 c$ J5 U. m! ^ LOCALE_SYSTEM_DEFAULT, // System locale/ G$ r2 v6 A$ m+ e2 u7 x
&pokeID); // Array of IDs to fill on output
. z5 ], Z) B* S! s
3 \; J7 O. h( E5 w4 V5 d if (hr)
! H3 u5 B! a S; U/ y1 O5 ] {
: }: u/ D, K5 H) O- }! ? MessageBox ("Get Poke Unsuccessful");7 \7 t. Z- I B/ r1 z
return;
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P; I1 Z8 g$ B# K- a' `3 z' c7 N/**************************传递数据给extend**************************************/0 A( I: R2 F6 A$ V' d
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);6 Z% O$ E0 k8 o+ [
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valueStr = SysAllocString((WCHAR *) L"1232");
! W) q* q, K" U3 Q) M- m9 Z y VariantInit(&pokeVariant[0]); X" z+ K, ?4 k" f3 a, v% L/ \
pokeVariant[0].vt = VT_BSTR;, C/ Y3 c" k" F4 A+ Z" C2 f8 Y
pokeVariant[0].bstrVal = valueStr;
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% J, `0 X4 U. o( m) L; n itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");5 ^& F: M! U; G D: b+ A2 I& k
VariantInit(&pokeVariant[1]);
8 ]4 s, w/ _1 y* _- Z9 k9 I pokeVariant[1].vt = VT_BSTR;
j" d: j7 \# H! ?4 S: ^ S8 K pokeVariant[1].bstrVal = itemStr;: r& p) m* a3 W- E1 { A/ k
/ ~# h' j9 L4 D+ a- U2 d5 ^ topicStr = SysAllocString((WCHAR *) L"system");
. h( ?% _# t8 ]8 A" I0 h+ m9 o. z" ~ VariantInit(&pokeVariant[2]); / |& _0 i: M0 H) @5 H* W# R
pokeVariant[2].vt = VT_BSTR;" K' p; [9 E0 j6 ~. C
pokeVariant[2].bstrVal = topicStr;% J/ V1 s* S; J5 [
- }2 M/ i9 {- L7 ]0 I" ^, {1 I// Set the DISPPARAMS structure that holds the variant.
7 G4 U7 s) a7 A2 s- I/ H
9 J* t* b9 J0 A1 f+ L1 _* D- l dp.rgvarg = pokeVariant;4 ?- j3 D5 e' { e( U
dp.cArgs = 3;- G6 Z2 U9 j" H/ D" u; ^ u& Q
dp.rgdispidNamedArgs = NULL;& F0 J+ ]4 U$ ^" t8 ~
dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()
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' \' t& k7 W7 t hr = m_pDisp->Invoke(
) }1 \# c0 N' A; t7 y4 W pokeID,0 Y1 C8 u/ K) D2 V/ v
IID_NULL,$ e9 z4 F7 l0 N% Z0 m' }, W# B
LOCALE_SYSTEM_DEFAULT,! \1 x7 e4 S, L3 G
DISPATCH_METHOD,
# Y9 r9 Q6 X9 Y* z6 k" {' ] &dp,, {# c7 k a4 p; k. w4 l% J/ x1 o
NULL,
; h. q$ X/ ]: U) \4 G6 b O) Q &ei,5 ~3 f4 a4 }1 m
&uiErr);4 ?3 T9 ]% U7 [2 U
% t% m- r( U! E- H; k1 h& X SysFreeString(topicStr);
$ K6 E7 E/ o4 Z( F( J. B) L6 b$ s SysFreeString(itemStr);2 w X0 X: m/ y1 i9 \: P
SysFreeString(valueStr);
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- i$ z @3 d" K: H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???4 j+ ^3 t; ?9 n! s0 |9 I, K
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????+ X7 Y( \! x( Z0 X+ v% i' V
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, e4 b. H* r. x+ X+ D% ^0 H2.这是request的程序' M" z, k& j4 l- Y
// Request a value from Extend
, ^( |" b* i+ S: R//
: v/ g) `2 P# D// Initialize the variant that will hold the BSTR. Set the variant's- h2 B9 H8 M- b- ~0 C( v
// type flag to indicate the fact that this variant holds a BSTR. Place the0 A. k$ w+ I% n; |1 a: L8 o
// BSTR into the variant structure.! u) B3 y+ @% B; r' u b1 F, [
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);/ V) a. g/ p$ t( E
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
9 P; ~0 s% r; h" `1 p7 C VariantInit(&requestVariant[0]); ; R' w6 W# Z/ Q- u/ o% r1 s
requestVariant[0].vt = VT_BSTR;
+ g/ E: v+ H: u! v* S2 ? requestVariant[0].bstrVal = itemStr;
2 X& v; U. L) n$ K# C/ H- r& B
' l" |# n' F# F topicStr = SysAllocString((WCHAR *) L"system");
! h' v/ d2 d4 M+ n ~) x- F VariantInit(&requestVariant[1]);
' M2 G6 g; N4 }7 { requestVariant[1].vt = VT_BSTR;
4 w$ l' v) s8 i9 h) {4 h requestVariant[1].bstrVal = topicStr;; Y- X% i3 E- W9 W& d- D
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// Set the DISPPARAMS structure that holds the variant.4 k' a$ @7 ]7 u
U* P$ u2 d; P dp2.rgvarg = requestVariant;
* v$ G* q0 l+ s/ `0 O8 v/ ~6 y' p dp2.cArgs = 2;
/ j6 a- G8 T! D dp2.rgdispidNamedArgs = NULL;
& S' e+ P3 \8 G: ^9 Z dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;: \( j, ?5 S4 J9 o
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// Call IDispatch::Invoke()( [' |) p! e) S) z5 E
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hr = m_pDisp->Invoke(' v ^' W1 b7 A- @% I) b
requestID,5 S6 p7 W4 o) Q4 m
IID_NULL,) }. j2 V# q8 w9 x! m
LOCALE_SYSTEM_DEFAULT,, t: |5 T! f) S5 L
DISPATCH_METHOD,
$ v& q4 j( R& I &dp2,% w6 H' x: W8 u1 D
&var,% n/ [% A0 c! W, K3 J0 N" q4 j
&ei,( V% D0 _2 [# f
&uiErr);) D) h7 U5 l5 j
b2 ?" ^5 S' v' ?( | SysFreeString(topicStr);. e6 J W, u2 v. c4 Y
SysFreeString(itemStr);
. l* L# \& A* [7 }* w( J8 w请问该程序是获得extend里面的哪个值?
# g' {0 r5 P1 c5 F J) ^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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