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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 Q! g0 |7 I4 O2 S. K+ JName = (WCHAR *) L"Poke";% v, c, @4 z5 N0 E+ |3 m- ~
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hr = m_pDisp->GetIDsOfNames (( \5 ]& n9 r' G
IID_NULL, // reserved
; R2 [* A' Z X) S4 u7 ? &Name, // Array of names to get IDs for
/ g! f9 B4 i% R c 1, // # of names in the array+ _* D1 {- o$ ^1 `# {
LOCALE_SYSTEM_DEFAULT, // System locale
5 p3 {( o, @, ^) n &pokeID); // Array of IDs to fill on output' n; g, ]$ U6 q' V
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if (hr)7 y3 Y$ q% d4 Q2 @
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MessageBox ("Get Poke Unsuccessful");
7 Z" u5 `+ j p# `: P9 A. t+ A return;
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2 }, t% f( q5 A. ~* M- Q/**************************传递数据给extend**************************************/* D. S6 r& B$ P6 n! s7 e$ n1 H
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);; A2 K) i; O! @+ J
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valueStr = SysAllocString((WCHAR *) L"1232");
# Z) G( d/ z4 o VariantInit(&pokeVariant[0]);
/ S0 V4 x# e: l9 h' a7 B pokeVariant[0].vt = VT_BSTR;
8 B3 h) F$ J0 z& _/ j3 { pokeVariant[0].bstrVal = valueStr;
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b8 i* t2 E3 ?' ^1 p: c itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
& ^$ h" N5 N& z% W VariantInit(&pokeVariant[1]); + x! C% P4 M6 C3 T/ X
pokeVariant[1].vt = VT_BSTR;9 s' Y. d: R5 t: E0 E& P5 C
pokeVariant[1].bstrVal = itemStr;, F: X4 K `; ^, p( y2 [
) N9 E' e D- O' f1 \3 C& o topicStr = SysAllocString((WCHAR *) L"system"); L) m; B# m' E4 C A
VariantInit(&pokeVariant[2]);
. ]& ]' ~% f. x* q6 O4 {6 R9 F pokeVariant[2].vt = VT_BSTR;4 m3 v9 {; b/ L6 w/ s9 Q
pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
* j2 w- \0 ?& U1 r3 r dp.cArgs = 3;
& V+ n5 O m5 x1 m8 @( Y0 k3 H7 R/ } dp.rgdispidNamedArgs = NULL;
4 s C3 \6 D3 k2 L$ L; u, t1 W/ ~ dp.cNamedArgs = 0;: u: N! i% ^8 V3 a+ E- Z
( g0 W+ G y. t+ Y// Call IDispatch::Invoke()8 m" t6 u% {7 F4 H
" M6 E* t+ W! i7 Z3 j9 s- H+ D; C5 Z hr = m_pDisp->Invoke(
! \+ Y8 {3 ~4 r7 f% R( k" t$ R- l8 a pokeID,+ k9 ]8 ?* B g$ u6 z! z# c
IID_NULL,
+ B3 W4 r3 g' H& m/ k LOCALE_SYSTEM_DEFAULT,
! _/ Q% ^4 s2 s4 r" H' v9 _ DISPATCH_METHOD,8 \/ I+ b! ]/ j$ m
&dp,) [. D+ _; S n9 M* E: o
NULL,
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&uiErr);
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SysFreeString(topicStr);
( ]- @ r) r; }' Z4 C SysFreeString(itemStr);
- p; `0 |/ T4 w5 _! p SysFreeString(valueStr);
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- N/ I/ H- T. n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???' r5 S2 X" G% O, ~' h5 f! B7 `
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????# Y/ A- \0 W5 x+ U. B5 f) X7 n
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2.这是request的程序
5 b' q1 L# k1 \// Request a value from Extend' M! t. O: ?9 g- d4 ~: E7 i
//
, h3 N$ t! Y! a7 f/ ~# G// Initialize the variant that will hold the BSTR. Set the variant's
( {7 t9 `+ i& x0 G) }" X- v0 F// type flag to indicate the fact that this variant holds a BSTR. Place the; H1 x* O W% J& i/ u1 h' B
// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);: s r$ \. ?: w0 W' ]6 J0 c L+ r
4 r8 d2 a- F4 A# T) o3 [: V itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
- N% U3 N2 {& _" }6 k, ?/ R VariantInit(&requestVariant[0]); 2 o& y" W3 b7 w2 Y1 q- W3 |& Q% X# p7 q
requestVariant[0].vt = VT_BSTR;% t! z* S+ p; a0 W
requestVariant[0].bstrVal = itemStr;( L% z' ]9 i P4 y4 W
/ v5 B# `) s) Q# E topicStr = SysAllocString((WCHAR *) L"system");
( Q& V- ^2 O. U9 q& v; \ VariantInit(&requestVariant[1]);
6 B/ |6 W% T L3 ]' f# l requestVariant[1].vt = VT_BSTR;
* q* f* p2 m# ]! t9 ?$ `/ u requestVariant[1].bstrVal = topicStr;
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2 U8 Y6 R0 ~) P% W, r// Set the DISPPARAMS structure that holds the variant.
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' Y2 I9 N K$ A4 [3 }" e dp2.rgvarg = requestVariant;
% Y/ D0 G% l' Y4 j& S& z; R dp2.cArgs = 2;
2 h( V8 ^( B; ?4 c' C: d% A dp2.rgdispidNamedArgs = NULL;- x$ s- i6 Q* H7 Z: m: x
dp2.cNamedArgs = 0;5 k9 a6 B2 N) D( ~, [/ x6 ]8 A# s3 Y
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()
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" X7 A6 C; `& Q! Z- O$ g1 Q, I hr = m_pDisp->Invoke(
" N0 I0 r$ x: _$ f% p. U requestID,
3 T/ c; V, Z; P5 V0 S IID_NULL,' h" l8 _4 C6 D; M9 m( \
LOCALE_SYSTEM_DEFAULT,
7 f1 r; Y# L7 O6 v( F DISPATCH_METHOD,# }" E. P1 V6 Z3 m% s- p. x
&dp2,$ |9 L4 H! y" r: G/ U/ a
&var,
& K7 f, u5 N0 L( r &ei,. g% R% T9 U u& S
&uiErr);
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SysFreeString(topicStr);" J7 z% R3 M3 g2 I
SysFreeString(itemStr);$ ~" V0 n5 b" y. [% `0 _
请问该程序是获得extend里面的哪个值?* u8 n2 u. O. I
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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