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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: q: I2 d2 U9 E/ q; Y* S
Name = (WCHAR *) L"Poke";+ U& @% ?- |2 n. g, C
. y0 i6 v D- |1 C hr = m_pDisp->GetIDsOfNames (& }6 t( c: E& S+ K: v: f
IID_NULL, // reserved
3 t$ z8 K0 s- ^' V6 r &Name, // Array of names to get IDs for" a! C+ m( y& q
1, // # of names in the array
+ K' u4 ]: n5 y. q- e; ` LOCALE_SYSTEM_DEFAULT, // System locale# }4 D) a7 |* x5 z: J# J
&pokeID); // Array of IDs to fill on output
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! w9 O: ^& o- A. k8 K& p: N if (hr)6 b% G4 Z- q4 R# {; g% n/ p
{
9 S1 g8 f* i) F. m1 q MessageBox ("Get Poke Unsuccessful");
: `: j" Q/ {& t- ]# s return;' [& u0 J* U0 k
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/**************************传递数据给extend**************************************/" b+ `, Z3 h7 D" {) y! I
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);, `$ [# P7 G$ e7 p( c5 {
+ Z% w3 m, p0 Y- q" i
valueStr = SysAllocString((WCHAR *) L"1232");
; Z( W% c: o- w7 {; D- I4 T VariantInit(&pokeVariant[0]); / b6 l/ N/ W- v3 L1 n$ y" H
pokeVariant[0].vt = VT_BSTR;
/ r" ~+ _2 c' J pokeVariant[0].bstrVal = valueStr;; d. k1 {: u- [' V) C! N
" Y8 m: b* [& K. D itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
3 s) Z. @2 E8 y- Y8 Q* J) R/ { VariantInit(&pokeVariant[1]);
# L: h4 y9 G8 a9 @ R7 M pokeVariant[1].vt = VT_BSTR;5 f5 k* N2 q3 D4 c7 D! @
pokeVariant[1].bstrVal = itemStr;9 D" l8 |7 E) W$ G
5 ~% Z6 g4 k, P- Q4 _0 F T1 w* f# Y topicStr = SysAllocString((WCHAR *) L"system");, p. Q, V1 A2 k; g" U
VariantInit(&pokeVariant[2]); $ X& X. D9 Y6 j/ w0 |' T0 q$ K$ M8 J
pokeVariant[2].vt = VT_BSTR;/ d7 U2 B2 q) A- h6 C
pokeVariant[2].bstrVal = topicStr;0 {. z8 q# M8 u7 L; v0 a
+ n, ^: j0 e: b$ g$ c// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
, L9 h" J3 h# m U& B; G6 N- G dp.cArgs = 3;
! C8 K& H/ p! @$ C2 z dp.rgdispidNamedArgs = NULL;' M: K, V" Q0 R8 z3 o2 ]% S L# }
dp.cNamedArgs = 0;9 B# j! m& \9 S7 U" U
( w: w& U2 `0 c4 v3 u; F// Call IDispatch::Invoke()( Z( A/ s- E4 v0 `/ g8 |- j
' P% l6 B- k6 h4 f- u4 V& U hr = m_pDisp->Invoke(
$ q$ a6 T. T; J( n: Y% d. u pokeID,2 Q8 V6 d4 L# k' H* g4 G
IID_NULL,1 k* k/ u4 N% _# h
LOCALE_SYSTEM_DEFAULT,
9 r9 S. o5 d! @1 q DISPATCH_METHOD,* l3 W* I; B6 `2 T8 O1 D
&dp,
, U5 U) E+ h0 m1 `' @: H NULL,; s- H! A, N5 N W) x0 k
&ei,( `# l0 E P( f1 E* c3 F
&uiErr);# ]' H; a, n# m+ t
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SysFreeString(topicStr);
" m/ L- r9 Y8 i& `; Z6 Q SysFreeString(itemStr);: U1 s/ `0 G( W' J) S4 B
SysFreeString(valueStr);
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9 ^% g" k" d8 {6 L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???
& `% L0 g6 F( _) i3 q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1 G1 ~3 D5 b- n4 n9 v) n( {! f. L+ N
// Request a value from Extend
8 H' @% u g! Y/ d! H3 h. H//$ f6 g0 [# j/ k( q
// Initialize the variant that will hold the BSTR. Set the variant's
* n. u q$ Q; y [// type flag to indicate the fact that this variant holds a BSTR. Place the1 M" z, Q* w6 r Z, L
// BSTR into the variant structure.
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( W, Y4 @- A" K. q2 Y) X3 T requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");- R+ b/ S* j2 {) U
VariantInit(&requestVariant[0]); & ]( R; h% i$ c+ [+ ]9 o3 n
requestVariant[0].vt = VT_BSTR;
& Z' E0 `1 g3 g0 A6 y9 m9 | requestVariant[0].bstrVal = itemStr;
q) H* L' b$ Y
; T# h0 c0 Q4 c0 ~5 z* S/ r topicStr = SysAllocString((WCHAR *) L"system");6 C2 g$ E- X% q7 n5 y) I' x* _
VariantInit(&requestVariant[1]);
z- W! S) {% W' g1 S7 @, V( r& y- p" w requestVariant[1].vt = VT_BSTR;
. c- \2 K0 k3 g3 t9 x, T" Q! I requestVariant[1].bstrVal = topicStr;
0 @# |# M# U7 u- Q( p: ~) K
: g8 o( L5 X& u1 W% H7 w9 S7 B// Set the DISPPARAMS structure that holds the variant.8 Z3 W8 R: y8 R) _* l5 f+ N
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dp2.rgvarg = requestVariant;
' `. M( |4 a; F L4 P9 `+ t dp2.cArgs = 2;
# H- P. H; y. [7 W- `( m. ^: j) h" S dp2.rgdispidNamedArgs = NULL;
7 P. j% m; N Q& v! k0 O4 H- s8 M dp2.cNamedArgs = 0;
, G3 ^) Q& J4 T* D, `# u) R, ^
% B4 A! n+ A. x* v+ ` var.vt = VT_EMPTY;3 S/ i; c1 A# q7 C5 ]0 ^
( w( Y( d1 K/ a7 P/ W% H: `: `' D// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(- a+ X% i. o) ?9 d! }$ N
requestID,
0 |& m7 l! {3 w1 R2 c% Q IID_NULL,
* t7 l- `$ S8 o3 { @6 E LOCALE_SYSTEM_DEFAULT,4 _1 T; }) ]( y# _' z6 \
DISPATCH_METHOD,8 w: A( e2 Y# S/ ~- C8 t
&dp2,$ a1 V/ G9 @% u8 M
&var,) S3 O+ _0 i, }
&ei,# a8 {. v) g% V O
&uiErr);
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SysFreeString(topicStr);0 f) ^# ] P+ E, c
SysFreeString(itemStr);' E1 u$ l) _3 n& }! v& W
请问该程序是获得extend里面的哪个值?- H4 B+ o+ F0 A" ]5 I# n 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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