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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:" s3 i; }8 _; G
Name = (WCHAR *) L"Poke";1 A1 s5 b6 O3 ]# |% L% F
/ V2 S' I7 q; S: j# s5 \7 b hr = m_pDisp->GetIDsOfNames (6 T7 N3 X# |; z. ~& G/ r7 w
IID_NULL, // reserved
- S1 c1 h, o' Z' k; c- o3 M &Name, // Array of names to get IDs for
, h; U) V# X3 v; x 1, // # of names in the array& D% d) X! a6 x, x2 |0 ^# t" `
LOCALE_SYSTEM_DEFAULT, // System locale
/ r; z7 v2 _2 C3 d3 [% k0 A &pokeID); // Array of IDs to fill on output( e5 a1 k0 K, l# L, x3 N
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if (hr)& k0 \( c1 P% H, l' n
{
2 z" B; h: J+ h: U% m" d$ q MessageBox ("Get Poke Unsuccessful");$ F4 z/ g8 j1 A9 Z; E
return;
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# U/ o3 ~- ?2 l8 f6 y( m6 H k/**************************传递数据给extend**************************************/
6 Z3 u% h Y7 U# L pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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; Q; J. y; Q C. m) b/ S2 A valueStr = SysAllocString((WCHAR *) L"1232");5 v9 ]: f& R9 L
VariantInit(&pokeVariant[0]); ; Q A9 ?: I+ G
pokeVariant[0].vt = VT_BSTR;
# \! [ x3 w8 X" s; l pokeVariant[0].bstrVal = valueStr;( \- C& W" [% T9 O2 ]$ p
# Q: t/ G6 R; @ p6 c itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
" t7 A. t1 _( ^ VariantInit(&pokeVariant[1]);
' Z1 R: p* D7 m pokeVariant[1].vt = VT_BSTR;# O: T# W6 ^$ J
pokeVariant[1].bstrVal = itemStr; R/ d; p- }5 K( u0 w
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topicStr = SysAllocString((WCHAR *) L"system");
3 c' c; T& L- {6 Y) f VariantInit(&pokeVariant[2]); 2 q3 Y2 F, E. |7 e
pokeVariant[2].vt = VT_BSTR;
5 z; |7 R4 |" {6 C3 x pokeVariant[2].bstrVal = topicStr;8 O+ j6 O3 g7 G# ?3 Q8 _
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// Set the DISPPARAMS structure that holds the variant.% d N" `2 I$ A* D, z: L
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dp.rgvarg = pokeVariant;+ ~; x5 I4 e, b8 }9 F6 _: w( G
dp.cArgs = 3;( Y& e* _4 e* K. z6 p8 R
dp.rgdispidNamedArgs = NULL;
- V4 T7 `# r2 m8 o% _ s( f: [7 _ dp.cNamedArgs = 0;3 v3 q. V2 n4 Y7 l
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(/ O9 P/ i- |2 \3 A5 l# h7 u
pokeID,
1 I$ S. O/ d4 l" b$ O IID_NULL,$ c7 ^$ X; e, y0 f- u, L
LOCALE_SYSTEM_DEFAULT,# V" p4 n$ y5 Q3 r
DISPATCH_METHOD,
( W9 x% H2 F4 W0 ?! |) ^ &dp,7 i. ~ R0 ~& P" d* B' _# L
NULL,4 T& |+ m$ G4 S; Y2 n
&ei,% t: B- z8 S9 n
&uiErr);
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SysFreeString(topicStr);, U; [3 I4 }$ ~; S9 o
SysFreeString(itemStr);
9 A4 ~0 d. {& ]* S9 A" P; A SysFreeString(valueStr);
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1 w1 u$ _- R- I" 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???5 g+ y6 O6 [, K# y+ L. \
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4 k6 z H( {8 v& B6 r, G
// Request a value from Extend6 C& o2 A2 }; e+ ^
//! w: ?9 J7 u" o
// Initialize the variant that will hold the BSTR. Set the variant's) ~- W3 g+ I4 w9 t5 o1 j; a5 `
// type flag to indicate the fact that this variant holds a BSTR. Place the
" W; F8 \ o" R9 o! y$ o// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);1 J4 ]' q7 p. X
' q5 u6 D3 x7 l$ E itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
- z+ ]3 d, ?# r$ ^3 ^ VariantInit(&requestVariant[0]); 2 i3 Y' |/ j T& o
requestVariant[0].vt = VT_BSTR;
- C9 |% l9 K; R4 I, K* k requestVariant[0].bstrVal = itemStr;$ F. {3 W! m* i( l- u, Q& B3 I6 y
' U' }, V& [0 I# g6 i5 X: ` topicStr = SysAllocString((WCHAR *) L"system");; ? H3 U% f# C8 l+ m6 W9 @3 j
VariantInit(&requestVariant[1]);
7 V" x) [4 f( @; k1 q requestVariant[1].vt = VT_BSTR;" v* a* E% f6 _: g3 A# j0 E
requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.! K4 \3 u9 B# S- V/ U
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dp2.rgvarg = requestVariant;2 {2 [* m+ @- Q' i! ?: w. w
dp2.cArgs = 2;
/ e2 m6 t# |8 w/ O: a dp2.rgdispidNamedArgs = NULL;2 L9 Y- p; K. M1 e% A! A
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;6 H1 J- z# C: _# v- c4 f9 H
: W) g+ G; z( n// Call IDispatch::Invoke()2 z6 f! C9 r; [( E4 J2 w# N
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hr = m_pDisp->Invoke(
0 \3 W: P8 e7 M+ w" ^4 z0 B) L) U requestID,
5 p$ w( W7 v3 G' A6 K/ g IID_NULL,3 [9 U. G4 o3 k: m- H- e: M6 J4 [
LOCALE_SYSTEM_DEFAULT,
" \. f" j+ Z/ }8 g5 j# {# Q9 C DISPATCH_METHOD,) x+ T, E( o9 A5 d9 G1 K# L+ h
&dp2,
7 \$ @8 x9 j e8 Z: ^+ X( ?2 f &var,, v5 ]* ^ c: f3 A" R, T2 L
&ei,6 [' z1 l! j% z7 z2 @1 B
&uiErr);
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! N4 `+ t$ R% D9 N SysFreeString(topicStr);/ V* b, Q9 ?7 w1 N7 ]
SysFreeString(itemStr);
4 c8 b+ n+ q. }" s" s k. e# c请问该程序是获得extend里面的哪个值?. F0 O7 z& r8 M2 |
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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