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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:
. \5 l* c6 A- C ?) O# [Name = (WCHAR *) L"Poke";
- e- t. m, y: N: d% ~6 X2 |+ j
5 {: w1 d; ^( j z6 p B hr = m_pDisp->GetIDsOfNames (
7 x2 e5 l @- Z. G$ P" {- K8 D IID_NULL, // reserved" p( d0 |- g" n1 @ X
&Name, // Array of names to get IDs for/ l' ~4 |- @' A3 j( d0 O
1, // # of names in the array, N% E: @6 U+ m3 |' T- c
LOCALE_SYSTEM_DEFAULT, // System locale: [/ K- V) b. m; c3 ~
&pokeID); // Array of IDs to fill on output
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; P+ S& J$ d$ v, F' k5 E if (hr)$ m1 P" y+ ~- k4 Y$ L1 V6 Y
{" l6 A1 ^3 k9 Q# a
MessageBox ("Get Poke Unsuccessful");" J+ j9 F7 C0 T! T) |9 y' P# I
return;8 m' |+ [1 e, U2 C7 L& o+ @
}% L7 I+ _* d' U2 v8 P+ }
3 C! w$ y& t _- h4 U/ R/**************************传递数据给extend**************************************/
. _* ~ E3 {+ I pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);" Q3 g# X0 {: v9 t
4 F2 R: f" G+ g- L' L1 D4 E6 H valueStr = SysAllocString((WCHAR *) L"1232"); G5 D( u+ Q1 h& @( ]: t, _5 k' q
VariantInit(&pokeVariant[0]);
6 G: ? k7 S( w( q, E6 C3 V+ W pokeVariant[0].vt = VT_BSTR;
# Q! W% D: g& Q# `; V7 {% F% \3 z& G pokeVariant[0].bstrVal = valueStr;
0 {. | c7 f# C/ ]* ^
7 h' B) u) q7 r itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");+ G3 G9 \1 v" D; A' @! s6 \
VariantInit(&pokeVariant[1]);
' @( @/ G, z5 r( h, o) w5 p) m pokeVariant[1].vt = VT_BSTR;
4 z1 [, p( r$ u5 T! j: c" h pokeVariant[1].bstrVal = itemStr;
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4 @5 c) t0 P8 `4 ~: a5 @: R! Z/ Y1 g topicStr = SysAllocString((WCHAR *) L"system");5 r7 c# \8 ^" B& \% A# R" {& H& L* s+ O
VariantInit(&pokeVariant[2]);
1 c4 y- W* Z& R$ t' E! p9 P pokeVariant[2].vt = VT_BSTR;
' M/ A; x! p8 _& Q( z* ?9 O pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.9 s- s$ F2 m% o2 Y0 T
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dp.rgvarg = pokeVariant;
: R, ?" J: _" C' ~! ~5 h dp.cArgs = 3;
; j& a9 J' \$ R dp.rgdispidNamedArgs = NULL;; m* n# M/ ~: [/ u' x4 w$ A# [) p/ [
dp.cNamedArgs = 0;
) Z2 I' O8 q- r. v
- L6 A* k' c L// Call IDispatch::Invoke()
0 z& T: f) u0 S! }( F4 {% P# Q# Z z6 p# z: a0 B, N. a/ h7 ]2 U9 Q
hr = m_pDisp->Invoke(
, q& Q2 |# M0 d$ q$ R6 |4 @- M( D pokeID,/ d* O5 r5 ]5 Z! t; v
IID_NULL,
7 F( t5 N" B( B" |2 Y4 y$ T LOCALE_SYSTEM_DEFAULT,
3 ~! w* E- l2 C+ K( K' |4 Z DISPATCH_METHOD,9 O% w4 x, U. L* p2 ?
&dp,/ a5 c% i9 T4 o8 F
NULL,0 X" P( W5 w) u( X
&ei,
# C* Z B) D6 G &uiErr);
* Q# g! _1 ]3 u, S+ Z. l$ h% x' W8 a& @) X
SysFreeString(topicStr);
@- R& W! W0 c8 N& @3 E SysFreeString(itemStr);
% @2 S2 m6 J6 a, g/ T0 f SysFreeString(valueStr);
% J# p; C1 L) b% i9 E4 a/ j" m1 X9 T0 i9 q
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??? X% W4 r% R$ N5 K; C2 W$ N/ b
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????# z, |+ J' [4 v6 A' c
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* i# R ?7 M0 W5 a- w$ W3 l
2.这是request的程序9 ^4 D. G6 S: l9 ^" }& Z7 N
// Request a value from Extend
2 N# s$ @- m" i7 e3 ~' b//
) |: J. o% P; `; k: D3 R! ?// Initialize the variant that will hold the BSTR. Set the variant's$ _( E. p7 r: I0 D p; u
// type flag to indicate the fact that this variant holds a BSTR. Place the8 S, m( t9 K {
// BSTR into the variant structure.
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$ s' W2 o/ [; P t* ` requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
7 H8 e. q0 c$ A n
! D8 h: m3 P! t1 a; q6 K! p* H itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
e: V+ b2 y, C# d: ?7 } VariantInit(&requestVariant[0]); - _* M! b7 ~9 l1 b
requestVariant[0].vt = VT_BSTR;
& i* c& }( r. Z" {1 ]8 B1 d requestVariant[0].bstrVal = itemStr;% @/ Q& f* Z: i6 h/ ^
% Z( e' _8 b8 d& { topicStr = SysAllocString((WCHAR *) L"system");
' {) j, P! y1 o; V VariantInit(&requestVariant[1]);
4 k6 b1 a. u- T, a0 }) a5 x: h" Z requestVariant[1].vt = VT_BSTR;
, d2 B$ v; W* O% P; U requestVariant[1].bstrVal = topicStr;( Y0 R$ Q7 x; X' g& h) n& h
, s& G$ ` m5 A0 B$ W- M3 }
// Set the DISPPARAMS structure that holds the variant.1 |8 J% A2 B! U, o6 x3 W
I, [3 h, L8 ?: `0 u! l% z- q
dp2.rgvarg = requestVariant;1 s5 |/ U8 Z# H, t; I* J2 }
dp2.cArgs = 2;
4 A; x/ ^% F/ K2 L: v dp2.rgdispidNamedArgs = NULL;" h( \1 r, H) b2 D% u* [
dp2.cNamedArgs = 0;
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2 t' p) @1 V; v" ~: A; g var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()) x: e# d2 n# y3 H
' d6 i g( J S& f% f' q hr = m_pDisp->Invoke(
) ]$ n# h4 k- Q2 u1 G$ h0 m requestID,6 T w. W, k2 Y, S" e( r2 L+ d
IID_NULL,
; C8 r% Q1 R5 u+ m2 q LOCALE_SYSTEM_DEFAULT,
5 p" e# X- b H% E& \/ o DISPATCH_METHOD," G. \5 l, A3 J" e
&dp2,
: ^: ?0 }3 s R/ R) {% |0 j v &var,
; h/ H+ B$ u& d* H/ O0 r &ei,
, W3 w* o9 ]* M5 a ` &uiErr);$ D8 k( I5 R6 A# q. |% B; T- W2 T
3 Q9 Z- _ }( ^: U i3 n5 v SysFreeString(topicStr);0 y' l7 _, q d' o w
SysFreeString(itemStr);
1 `% c3 l; m& ~/ k, A+ L) \" M) `# L请问该程序是获得extend里面的哪个值?
: d8 k: F4 Y- p2 z, B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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