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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:8 |9 a4 i# E: E' v
Name = (WCHAR *) L"Poke";. r9 h# a! t9 ^5 K( ]
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hr = m_pDisp->GetIDsOfNames (
. {6 P) e' O9 I" V IID_NULL, // reserved
$ z& h5 D# M# B( R &Name, // Array of names to get IDs for7 W8 I* A1 _! W( G; b
1, // # of names in the array: n" ?' `9 E1 ?* I9 U) p
LOCALE_SYSTEM_DEFAULT, // System locale5 j7 @' B: Z' N9 [' w
&pokeID); // Array of IDs to fill on output1 T. M6 r/ G( k& x5 s. C! s( I! O
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if (hr)- J8 F; t2 d) W/ h
{
6 r9 A, S* `, F0 ~3 Z MessageBox ("Get Poke Unsuccessful");
. I% ^- {0 ^4 s* C. ^, ^ return;
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/**************************传递数据给extend**************************************/& G3 m$ @, H( D: j+ E6 N" J" a: Z# i
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);3 U& [2 Q2 R6 ]# a* I, v
3 i$ w% U* d G valueStr = SysAllocString((WCHAR *) L"1232");
1 n) j7 h% ?, Z4 S0 L f VariantInit(&pokeVariant[0]); * `$ c3 t, ?# I/ a6 R- i, x
pokeVariant[0].vt = VT_BSTR;3 F& @% L/ q6 o1 \5 e0 A h
pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
8 F6 Z0 H& s8 X% F# F" Q VariantInit(&pokeVariant[1]); / F* [+ h# B& b) C' }# ]0 W
pokeVariant[1].vt = VT_BSTR;
( N2 z6 |' D8 [0 k pokeVariant[1].bstrVal = itemStr;
. {0 N7 o, i: X# j- a& i8 z! N8 ?( K6 T0 |0 G9 O+ ?1 b
topicStr = SysAllocString((WCHAR *) L"system");
# H& @6 `. i3 \+ j5 F0 G VariantInit(&pokeVariant[2]);
~( m1 H& h; ~7 U pokeVariant[2].vt = VT_BSTR;. a* d2 ~9 v0 ]0 q+ e
pokeVariant[2].bstrVal = topicStr;* V1 O5 {5 ]* K) ^; @9 s+ @) T
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// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
~2 U$ h1 I$ U! D* k dp.cArgs = 3;
6 i8 v: k& s# l( T, u& z) ? dp.rgdispidNamedArgs = NULL;
8 b2 o3 v( z# V dp.cNamedArgs = 0;+ ^" y3 H; h$ R. s/ f
% a" O1 `: l) R8 }7 V3 r) u; _! k" ]// Call IDispatch::Invoke()+ l% T4 r' X/ ~- L) p
7 N$ {$ @4 y U: w1 H8 B
hr = m_pDisp->Invoke(
8 C: G0 o" a0 Z- k/ H: a pokeID,! P# q& y, n6 U4 S$ ~, Y
IID_NULL,# J8 D' B9 D) |8 d. _: A2 F
LOCALE_SYSTEM_DEFAULT,5 @2 v, B4 ?$ u/ C- Q9 p+ i
DISPATCH_METHOD, z; H" o) v3 q3 r0 J/ S3 ^
&dp,
6 k( o) P" z6 Z( W NULL,4 b. z% b$ I% Z( a
&ei,
; F( C$ y) v7 _; H9 g5 ? &uiErr);! Z8 V0 a+ E3 N/ U! o
4 j4 [4 B2 k, s3 t A8 ]5 e( f SysFreeString(topicStr);
: L! A9 \3 J: Z! w( G- n; G" R- Z4 F SysFreeString(itemStr);
! w" @) f& V+ s7 c4 g2 I9 |6 a8 b SysFreeString(valueStr);
& C' A) }1 c/ k v {# H' F# J
" ~5 G T3 r! }: U" x- K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???
8 v A) f" r4 B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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" h3 O+ {, }, G) l2.这是request的程序/ \ j$ @+ n- ^
// Request a value from Extend3 t0 p8 Q$ K$ H1 c% ^0 Y
//& X& Z; A9 W. k0 g
// Initialize the variant that will hold the BSTR. Set the variant's& {$ c0 b& t: Q5 K4 t
// type flag to indicate the fact that this variant holds a BSTR. Place the n0 C9 c, b& p. U- Q' B" N
// BSTR into the variant structure.
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4 J: t, m1 C6 u" B requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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/ {( ~- T" o; F% ] itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");8 o" p# D, U/ i6 x F, a1 A
VariantInit(&requestVariant[0]);
+ t. L$ e3 Y* m: p8 Y1 u requestVariant[0].vt = VT_BSTR;4 W3 p+ b4 x, o& p) F q; O
requestVariant[0].bstrVal = itemStr;) K# o/ u: c5 x& R3 p; l3 X, ]' t: Y. x
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topicStr = SysAllocString((WCHAR *) L"system");
$ }9 o$ D! b2 x2 O* y& s% F VariantInit(&requestVariant[1]); 9 l: ~* A$ } j- S
requestVariant[1].vt = VT_BSTR;3 b B" a, e. d3 ~9 N0 Y
requestVariant[1].bstrVal = topicStr;
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; D4 Q( J W7 |2 E+ T' m% X) }// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;
4 f) N6 ~" r# g& |% a dp2.cArgs = 2;
1 j0 S$ }7 c; C" O, o0 V# h dp2.rgdispidNamedArgs = NULL;
, G5 e: \1 i' L0 E dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;
4 @+ n5 Q0 s+ N
, M4 O6 l o r// Call IDispatch::Invoke()1 v$ b1 j: a/ @2 E: |% Y3 c, ]
% }0 }8 e! O* R5 D) q. L hr = m_pDisp->Invoke(8 G. O5 s9 Q. k' a7 s: @2 q
requestID,8 B( M7 C9 M/ ` t5 M& L. b
IID_NULL,
$ q1 P! U7 ?( f/ w. ]5 |; h" y LOCALE_SYSTEM_DEFAULT,
8 o+ z. v/ q7 S) d5 b% b5 c* ` DISPATCH_METHOD,
# j, u! t. B& ~1 _5 t5 ]: Y &dp2,
4 p5 e* E6 l1 B ^3 | &var,( x2 u5 \, ?9 F
&ei,
: `8 t- b( G( Q6 g3 }2 I; ~% a &uiErr);
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' b9 v3 F' W Y0 G2 I2 i4 _1 A SysFreeString(topicStr);
5 G$ H0 T6 g0 t7 h& K7 |6 p8 J: ` SysFreeString(itemStr);
8 d6 J( }& s( E9 W+ p2 Q请问该程序是获得extend里面的哪个值?
& o5 m* t X) u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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