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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 X; i- p6 Z, ?2 B5 ?3 C
Name = (WCHAR *) L"Poke";5 g4 J8 D( X0 K% v' x2 ?) I. u
7 I0 R/ \7 |4 X3 F z D hr = m_pDisp->GetIDsOfNames (1 {- L8 h. ` S5 e: N7 _' q
IID_NULL, // reserved6 Y* f4 c- a; |' Y# d, z) H
&Name, // Array of names to get IDs for
0 W* u2 V# `6 n1 e: O 1, // # of names in the array
" ]2 E1 m i' ]$ X& g: n LOCALE_SYSTEM_DEFAULT, // System locale8 J; m7 G! e5 ~2 |+ | F/ U! y4 v2 y
&pokeID); // Array of IDs to fill on output |. H4 d5 o$ w+ p' S) R& C/ ~! j
# S9 P ]+ j* c9 a* ~% ]6 v4 @; a' R2 Y
if (hr)$ v" L# `8 B. C8 T, Z
{
8 o, n9 Z3 J6 g) H MessageBox ("Get Poke Unsuccessful");
) T" ?' U2 U* z3 b return;
9 U1 A# C% F7 p. r# e }
+ A, n! r6 }; M: T& {' u
9 ~: O6 D' H2 o5 | ]3 h/**************************传递数据给extend**************************************/
5 L: D8 L, {' @# @; w. |% R! L pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);: q; M I2 e$ p# s- w* t9 P8 }/ Q
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valueStr = SysAllocString((WCHAR *) L"1232");
2 @/ Q6 n8 w& b% R+ @ z VariantInit(&pokeVariant[0]);
; v2 @2 Q- i. u2 c: f& ~; @4 g+ [ pokeVariant[0].vt = VT_BSTR;
y1 t8 d2 E! m$ ~ pokeVariant[0].bstrVal = valueStr;
' k: N; g4 k- E; [+ w. L- p- D
: m. x8 a! N" V itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
2 ^2 i+ r: y) S3 f' N, _, p2 D; W VariantInit(&pokeVariant[1]);
; o$ W( j3 ~% D( b& F: X! e8 J( Y pokeVariant[1].vt = VT_BSTR;0 }0 i1 Y0 A2 F* ~! J/ r }# V) A" l8 \
pokeVariant[1].bstrVal = itemStr;
# ]& F4 r- x% X' M4 f# |$ Q9 | @# I( r! F1 l4 u
topicStr = SysAllocString((WCHAR *) L"system");! G+ U) C$ v# z- `+ G' u: ]
VariantInit(&pokeVariant[2]); + _3 A$ t* M- {$ J5 A: l, i- V3 `2 {# ]" q
pokeVariant[2].vt = VT_BSTR;
7 F- y' J. ^( T5 u/ w! N, \ pokeVariant[2].bstrVal = topicStr;, j" J* \! {- a- H5 V/ F" u7 B4 \
% X% a* w2 \ ~3 h// Set the DISPPARAMS structure that holds the variant.! G3 _" r: g& t' {' D
# T0 Q9 c& }- K8 _ dp.rgvarg = pokeVariant;
. X2 |. a9 F% b8 a! x' F dp.cArgs = 3;
1 Y7 X: t1 f5 y6 e; B dp.rgdispidNamedArgs = NULL;7 z! I9 C4 n- J
dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(9 D6 h/ |; D! a0 s3 v4 g
pokeID,
* G) k' O) S0 b! D IID_NULL,% H" I n% ]. T$ ?6 v6 A w
LOCALE_SYSTEM_DEFAULT,! ?- ?& b ]3 `4 l0 k
DISPATCH_METHOD,
1 c+ ^( j" O. k% ]% G &dp,4 b' z- z \' t7 b
NULL,* B: \* E$ R3 c6 `9 m7 F6 ?
&ei,
% }" O* {% s8 _, o &uiErr);' I k9 n. X" O( Z- X9 z X. P
8 @' {$ a6 |# ^* r- c SysFreeString(topicStr);
9 V% |9 j Z6 [ w SysFreeString(itemStr);
7 {" I* f7 f) i" b- T, p$ g Z" u8 t SysFreeString(valueStr); x! r# ~& z+ W' i
% v' z. M- p9 X$ V$ }& |0 B: a. F
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???" X0 u2 [! T- W
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????8 Z$ N( S( `+ ?6 B
7 R" r- Z& J) D- H
2 [' D6 J7 Z% h3 q e+ J! e2.这是request的程序# J0 m% h* c0 I B' l3 i' r0 v
// Request a value from Extend
) t/ j. ?# J1 q5 {/ K//: S- [9 z1 I5 Y' q3 U3 D
// Initialize the variant that will hold the BSTR. Set the variant's
' v9 l# @( i, o/ |; O) A// type flag to indicate the fact that this variant holds a BSTR. Place the
3 }5 D2 v& R5 r// BSTR into the variant structure.
3 C$ ]5 w$ y& b! T
6 X' `% A, _: X, m" P7 k* C requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
% q0 j7 `3 K5 G" f& _- a3 E. J
# u! b( d/ O ]* Q" k itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
. ]7 r8 p! g/ B7 G) L, c VariantInit(&requestVariant[0]);
6 Y o/ [8 X0 b1 J1 |& i% _ requestVariant[0].vt = VT_BSTR;
& I4 o3 B5 v6 e* |( ?' E" P: ^, L requestVariant[0].bstrVal = itemStr;
7 N4 U- B: Q2 _/ t* R( ~+ J6 W8 p- E% Z
topicStr = SysAllocString((WCHAR *) L"system");7 L2 D5 F$ A D* H
VariantInit(&requestVariant[1]); 3 ]+ P- C. `7 p6 N% i% [* \/ D
requestVariant[1].vt = VT_BSTR;
0 H( b) `( ?4 I' R3 h requestVariant[1].bstrVal = topicStr;
; Y' c9 @% K/ B2 R4 L1 G+ }/ D4 D7 _
// Set the DISPPARAMS structure that holds the variant.5 _6 Y* `( K( u+ F
( Q7 g4 d; }+ F U! \ dp2.rgvarg = requestVariant;
2 h5 g5 I# O3 R C- O' U dp2.cArgs = 2;
: r( X$ O: M8 t# U$ Q dp2.rgdispidNamedArgs = NULL;
6 p) |$ b% O$ `5 d( u dp2.cNamedArgs = 0;
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. o0 ]- G; p2 u$ z0 [5 @. { var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(0 D, O8 z) C% k2 Y! l
requestID,7 n% {- O& ]) l+ n; `2 `& _
IID_NULL,) ~1 F9 Q1 `' x+ W3 p
LOCALE_SYSTEM_DEFAULT,
# y5 u2 @7 g4 F% U8 I) F DISPATCH_METHOD,
- w6 c7 d9 S0 F1 s5 c$ I- V &dp2,
, j G2 v. X# P &var,$ H* S y: w3 b+ P
&ei,2 V8 _3 S h4 s; F( A. t# H: f( h
&uiErr);
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+ n( p' c4 Y2 m) Q& f SysFreeString(topicStr);6 F' _9 t% x! Q& g( b9 _% a
SysFreeString(itemStr);
! K1 `% O1 B, i# |请问该程序是获得extend里面的哪个值?
4 {' Y s# v" I" 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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