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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:
( C: w" e+ w/ C. c8 S% xName = (WCHAR *) L"Poke";
+ I$ `' O; U# Q h* @
, f% X6 l$ A: Z hr = m_pDisp->GetIDsOfNames () i- Q* l* `, X' c
IID_NULL, // reserved
) K9 i) r# I$ C/ P& U+ z &Name, // Array of names to get IDs for
- H5 y- L, I3 P- P 1, // # of names in the array
& I: i* h6 |4 w LOCALE_SYSTEM_DEFAULT, // System locale
/ h+ ~* v% d0 d `" R, g+ F &pokeID); // Array of IDs to fill on output
! E: p% _8 I. s+ U1 U6 {
: M$ I: S( B; N+ T) j if (hr)
: n J% |( y, \4 I) M+ C {
1 q4 l2 R0 e) i I- j0 n MessageBox ("Get Poke Unsuccessful");
$ M8 |% `6 O" M; x J8 B7 Y0 H return;8 A! ?5 Z7 @4 }. S/ }
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/**************************传递数据给extend**************************************/
: F/ E( v- l+ \" Q% a- H pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);% p$ o; \6 w$ J
/ L, C$ Q( a0 p7 a valueStr = SysAllocString((WCHAR *) L"1232");
( b' E; Z1 A7 G. [2 x VariantInit(&pokeVariant[0]);
& Y& N G/ T( U7 f0 z) i: \! E- B( y pokeVariant[0].vt = VT_BSTR;4 e/ [6 T5 b, i! E4 `6 l
pokeVariant[0].bstrVal = valueStr;
# T# g- {2 e( }2 B6 ?# \0 A
9 F0 v4 A1 V) `9 M- Z itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
5 {3 O7 R, F1 u3 e4 h4 a VariantInit(&pokeVariant[1]); & g! R4 t9 \# c, y. U5 i. ^
pokeVariant[1].vt = VT_BSTR;$ F3 @- t6 a U- K) l' O
pokeVariant[1].bstrVal = itemStr;9 H! s; x" T. s
0 U+ }! W3 y2 D% m5 W. R9 z: o topicStr = SysAllocString((WCHAR *) L"system");
0 M) L& n8 r8 i' u* w, [) k: }$ L VariantInit(&pokeVariant[2]);
6 v1 `" N1 F. F. s4 W pokeVariant[2].vt = VT_BSTR;
+ [* a+ ~1 n4 N- W pokeVariant[2].bstrVal = topicStr;6 b" a `- i4 ?' N* h) G
% |) c. D0 E/ D) X+ b1 @// Set the DISPPARAMS structure that holds the variant.) e! ?4 w: D" S3 Z# m. j
; f) P. a4 l7 | dp.rgvarg = pokeVariant;
+ ~: a% g/ ~1 n( K: Y' P8 o dp.cArgs = 3;
2 d3 m" l( Q3 s dp.rgdispidNamedArgs = NULL;3 k% ?9 B& B* n. i% ]
dp.cNamedArgs = 0;) U8 w B5 @" h3 C
) X# \8 e- a' s5 b& @. ^& ]
// Call IDispatch::Invoke()
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! x5 I+ X9 `$ ~9 ? l+ U hr = m_pDisp->Invoke(! F/ o1 |; v+ I) X! A! h1 O
pokeID,0 T+ Y) {9 N( Z5 J" Y! }
IID_NULL,
: |0 B" y# Q! G. i) M LOCALE_SYSTEM_DEFAULT,3 h+ K6 J" P* d
DISPATCH_METHOD,+ E/ f ]( U( ~
&dp,
7 \5 o5 w2 M# w. b* V/ ^. q NULL,& }# k' w8 \6 W
&ei,
; ]3 W2 B/ B6 | F &uiErr);
' Q: N/ _8 H1 J4 n
7 _+ q2 ~8 u+ k3 M. V4 `8 ~ SysFreeString(topicStr);$ I6 v4 W* @5 E& e4 {
SysFreeString(itemStr);& o* Y* ?: r7 o) {* l* ?* E
SysFreeString(valueStr);
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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???- Y8 Q/ }" }5 Z
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???? H, ^. U& m( n3 S! Z; x0 I
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2.这是request的程序7 r% U8 s; [ K/ P
// Request a value from Extend
3 W8 i8 h8 s5 l/ |7 P; ]" ~) {//9 m% K* w% H5 [/ r
// Initialize the variant that will hold the BSTR. Set the variant's4 d V, F- [& o x
// type flag to indicate the fact that this variant holds a BSTR. Place the2 C, p- C# q& _% z
// BSTR into the variant structure., H4 x) `9 q( V: l/ Y: n
) |, n# Q. c5 _+ q requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");1 x2 g' l+ ^4 x
VariantInit(&requestVariant[0]); / Y7 g$ K6 U6 k) q8 A2 M% I
requestVariant[0].vt = VT_BSTR;& d# e! h# w$ g7 m3 F% T6 M, y- q
requestVariant[0].bstrVal = itemStr;9 d' B, ^5 b \0 k6 h! u% M
2 i- @% X/ V& g: s9 F% I* w topicStr = SysAllocString((WCHAR *) L"system");
$ p6 a. X7 r6 I ?7 J: L; g VariantInit(&requestVariant[1]); ( f# Z9 D9 `! k5 I( W" z+ g$ M
requestVariant[1].vt = VT_BSTR;
! Z' w; y& P9 D9 g, l+ t requestVariant[1].bstrVal = topicStr;
; j% V$ B) [- L! D8 e
4 o4 A+ @5 n6 s, B1 v// Set the DISPPARAMS structure that holds the variant.
/ N& m, X# I# L! e
4 \. C" e8 Z6 i) w2 n6 i! N+ B$ T dp2.rgvarg = requestVariant;4 W$ E" ^5 }* o7 ] b! f
dp2.cArgs = 2;1 P/ i& D% B- s, V
dp2.rgdispidNamedArgs = NULL;
8 ?; i" g* m" |- |! V' n' e) \& N8 i dp2.cNamedArgs = 0;
% X. [+ q+ f @& e# I2 ?$ i3 H7 G3 K& H1 \% p' d+ q
var.vt = VT_EMPTY;
$ ]) y0 C, U' l
- @3 m4 ?: Z& n" @, j$ x, j// Call IDispatch::Invoke()
! j/ ]4 `5 f: T3 k h" {7 J; u) l! z0 f% X2 ^# Z: ~) Q, m; K. b
hr = m_pDisp->Invoke(
! M2 C: p& V6 e& ]8 ]9 [" g% X: S requestID,
( u; Q$ \5 \) U! Z [ IID_NULL," @0 `. F/ d6 C( O
LOCALE_SYSTEM_DEFAULT,
* h7 C' O7 N2 D5 H DISPATCH_METHOD,
% b* D+ j# Y- ~) W, I; x &dp2,; M+ [6 A$ ^% E b5 K A
&var,' ~( o! B& E' U
&ei,6 E5 _' h& o/ @, H1 D/ u
&uiErr);0 R# L, W6 Q3 e$ ]. {9 m
. ^6 }, g. G$ f, i
SysFreeString(topicStr);7 G+ R1 L; S7 {+ t( [& S |$ h
SysFreeString(itemStr);+ s, h* `5 V! r' z
请问该程序是获得extend里面的哪个值?8 |7 l- N3 H- @0 D
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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