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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:
& @: |$ G) l% f* F) K5 hName = (WCHAR *) L"Poke";9 Y$ V% w% V; G* e) ~9 c
- ]. f C S4 T0 a9 i- y; K hr = m_pDisp->GetIDsOfNames (8 ?) s6 w& f4 \0 p1 f& n/ i: `
IID_NULL, // reserved2 D# [3 r/ E9 C' o& K* L( I# G
&Name, // Array of names to get IDs for
) f3 ^) c! _ c1 ]+ S( p! a9 k' H 1, // # of names in the array
4 O0 m1 D4 b) F! e5 s! { LOCALE_SYSTEM_DEFAULT, // System locale
1 N ]% g O/ i" N8 L- ` &pokeID); // Array of IDs to fill on output
( W. z6 m1 F" p1 N) r
: T, x. V6 W" v& n) v% H- R if (hr)
+ v5 S+ N8 X' y; L. D {% T# A* v: l" u8 e/ M8 X
MessageBox ("Get Poke Unsuccessful");
) F6 p1 Q7 w6 M2 ]5 u1 l! a! z return;- f& \3 ~6 L; R1 T( o! @
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/**************************传递数据给extend**************************************/
$ c/ q5 I0 Q% B' y; c/ j pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);8 I. F7 c; b0 n5 w: R
: ]4 |' L3 q+ b5 B
valueStr = SysAllocString((WCHAR *) L"1232");1 v. B( r/ b1 i, w* F' f) d- o& k! }
VariantInit(&pokeVariant[0]); - l0 f8 @9 ^( k3 U( B) y4 |
pokeVariant[0].vt = VT_BSTR;/ e! @# p0 J: D+ H; b/ `
pokeVariant[0].bstrVal = valueStr;' v0 g# Z! |' t. n! y
6 z: K# K% n0 v5 E/ z3 y9 t+ ~ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
( p( M9 H5 |- S& S# @ VariantInit(&pokeVariant[1]);
6 X* e& }: k( F0 _ pokeVariant[1].vt = VT_BSTR;/ n* A7 } I2 P8 S5 y9 n8 ]
pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");/ K8 e! ]3 R- l
VariantInit(&pokeVariant[2]);
$ `$ ~; |5 ^& U$ f* g pokeVariant[2].vt = VT_BSTR;' T0 q( z/ l* f. }7 `# s) J
pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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6 M: d; ]& w: R/ m9 n* E dp.rgvarg = pokeVariant;. G( f( {) r1 N# j9 a
dp.cArgs = 3;9 C$ {( f/ J% t3 ^2 Y5 E( x* z
dp.rgdispidNamedArgs = NULL;- S4 g% B$ ?* h( ~
dp.cNamedArgs = 0;6 z( E+ Q7 b! {# m1 S+ K
x& D/ @0 O- l
// Call IDispatch::Invoke()
+ T b$ F+ c$ ^% C0 q4 |+ @/ r4 F: z. }6 G+ N
hr = m_pDisp->Invoke(
$ D9 o# f' P$ A pokeID,& g- y$ F8 L4 F6 v5 k: l8 K1 x
IID_NULL,
6 u c$ F( } G2 I2 ^ LOCALE_SYSTEM_DEFAULT,' F+ q0 ~0 Q7 b) h; S- z
DISPATCH_METHOD,. `1 f- |9 U, v, S- B" |
&dp,
* M$ i a% t* U2 h8 @9 X7 O NULL,9 `# J H: e# f' R- s0 j
&ei, m9 m2 p4 o ?* E, y1 Q3 m
&uiErr);3 `6 Z8 g! ?9 |$ z2 Z$ _3 ^- L; y
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SysFreeString(topicStr);' K$ W+ w/ ]( o
SysFreeString(itemStr);) u5 q9 M5 Y3 _* U' @* h2 t) m
SysFreeString(valueStr);
5 \- n: |# h' v7 r# u1 G
3 p: T- H" o. F+ R0 y+ y7 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???; \/ ^% g: n8 @- M' c1 ~9 B: E
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????4 N( L+ w# X! m& Y$ o8 o2 Q6 r- V# c0 B
C0 g% r- M2 f8 R- g! y, H% p* h5 _
2.这是request的程序# j+ P7 S" g% w3 ^( g* j2 S
// Request a value from Extend' B/ K" |4 z: }) ^3 S) b$ I4 k% c
//
. x5 p' v/ \2 p5 [// Initialize the variant that will hold the BSTR. Set the variant's
0 O/ i: |5 C- \// type flag to indicate the fact that this variant holds a BSTR. Place the
! w$ P j1 x. Z; I9 _( Z// BSTR into the variant structure.
! b6 {4 N% B8 d6 I" D* z9 {* |6 z9 O2 N* S
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
$ ]* x B, b; {; F, k ' T0 v" |' y$ z) W1 `
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");: y: W7 f7 }# ]5 D( j G! n4 v8 O$ W
VariantInit(&requestVariant[0]);
5 w9 O. [( \. r) E requestVariant[0].vt = VT_BSTR;
2 J* t5 q. E$ X0 u requestVariant[0].bstrVal = itemStr;
4 i" c; A, w/ \. S4 F! ~' u6 _9 ?0 r5 N b& s, l
topicStr = SysAllocString((WCHAR *) L"system");5 \" o' v% }5 ~: D
VariantInit(&requestVariant[1]);
3 s, U5 P |* }3 p( @/ T$ P requestVariant[1].vt = VT_BSTR;
7 ~! f% L( G3 K* Y7 M$ i$ U6 Y requestVariant[1].bstrVal = topicStr;" J& D. k0 {% v6 `! x# i" g
; T/ ~1 f1 s' P$ m// Set the DISPPARAMS structure that holds the variant.( b, T2 R3 l( ]1 a; w) ]. X
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dp2.rgvarg = requestVariant;# o4 r) @0 ?& L& I2 G
dp2.cArgs = 2;
" g: T' |8 Z: u# M( g dp2.rgdispidNamedArgs = NULL;, \/ L1 ^7 \7 ^" ]% v v; s
dp2.cNamedArgs = 0;9 J) l2 f3 E7 s+ v- F
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var.vt = VT_EMPTY;
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# N# n! d* l: P9 Q// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
& K0 }, S' ]/ s! d7 Z- T requestID,
& q- r! \ Q. ~- B7 ? IID_NULL,& h$ n; u6 L1 X4 f7 ?2 U
LOCALE_SYSTEM_DEFAULT,
" y# @- c9 H o3 ]! k; n DISPATCH_METHOD,
! A! r) o- `/ B9 [- F& ~ &dp2,
. r& ?& z2 B1 Y7 S &var,
4 a- W8 i5 j" w+ F& A$ g &ei,# y+ c3 S `! k
&uiErr);& U$ F5 h# T7 {& U) v, y8 a; l5 G
$ R0 I3 o' B$ V3 X2 j SysFreeString(topicStr);1 j# Q0 B0 F; y5 w' @
SysFreeString(itemStr);/ K6 J) d0 w0 f1 R0 O
请问该程序是获得extend里面的哪个值?
6 g7 N0 ^/ E! i2 v, Q K6 R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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