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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:
& z6 r0 W% B) \4 A9 {4 AName = (WCHAR *) L"Poke";/ _; l1 X+ M4 o" U* U
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hr = m_pDisp->GetIDsOfNames (
7 p. W r! @; s B4 J IID_NULL, // reserved0 F1 Z8 F0 F" }9 E0 V9 s
&Name, // Array of names to get IDs for
6 U( D" x6 |' f, x3 I% ?, N 1, // # of names in the array6 S/ i& O4 } J( z, G: |
LOCALE_SYSTEM_DEFAULT, // System locale
. h3 \8 J( ` [4 @% P+ N &pokeID); // Array of IDs to fill on output
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if (hr)
/ T+ x- o, A; W; b3 l {
/ }2 A6 Z: T6 P* S/ n) U5 A MessageBox ("Get Poke Unsuccessful");
; d r/ j: H( Y( \' B5 ]( Q" u return;$ Y4 J" @' H) t. w3 n$ Z
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( I+ Y4 {( ?: O3 t/ o- d/**************************传递数据给extend**************************************/
' c4 R3 @- |1 l; u pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
+ M1 a) u# x, k 3 c4 N: U$ [; ], G w, w$ g
valueStr = SysAllocString((WCHAR *) L"1232");
0 i! A* Q+ s* {2 C* W VariantInit(&pokeVariant[0]); 1 _9 \1 P; j. k" ~/ I
pokeVariant[0].vt = VT_BSTR;; r. n1 r ~. Q+ L2 t! A
pokeVariant[0].bstrVal = valueStr;7 G$ t* D& G0 y( L! O7 u
0 Q3 W' d4 O8 h" [: Q& ?' a itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
1 F: I6 }7 }+ t1 M: i/ ]0 z! d' w) ` VariantInit(&pokeVariant[1]);
^* I3 D0 z0 C pokeVariant[1].vt = VT_BSTR;, [# g$ F9 t1 P" N* r* l
pokeVariant[1].bstrVal = itemStr;6 S/ ~0 N f" ~* o3 g8 t6 G; Y( ~% S
0 \$ k$ M( K0 g* r: `. }1 M topicStr = SysAllocString((WCHAR *) L"system");- t. g/ F- t! |8 W* g
VariantInit(&pokeVariant[2]);
, d P( M2 j* o. G0 C pokeVariant[2].vt = VT_BSTR;
% z: V! A1 O0 w. N5 | pokeVariant[2].bstrVal = topicStr;' u/ h, t8 l5 v. x5 W
/ k/ ~: ~# M8 ^ Y& I2 X: j2 ~// Set the DISPPARAMS structure that holds the variant. I! a$ Z" I' D
! o7 Z, C6 ]' I" @$ _ dp.rgvarg = pokeVariant;
4 Q8 Z. |* u8 [; A E5 r+ D dp.cArgs = 3;( l8 J# ], c! N# h5 T+ x
dp.rgdispidNamedArgs = NULL;
% f: g) _3 Y2 m) j( d dp.cNamedArgs = 0;# V+ f% t6 p, \& y
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
! a) E- i8 Y x4 L% Z, @) g pokeID,
6 M$ z) u. w. A IID_NULL,8 F9 y* J9 H" B. e: K0 Q* y7 Y
LOCALE_SYSTEM_DEFAULT,
0 |3 l* m* r4 g7 E1 W3 q8 s9 m DISPATCH_METHOD,
0 b( ^$ n* o7 e8 O& A1 c &dp,# E" b8 v0 S {4 D" l, D
NULL,2 }5 w! b, t+ i4 d3 G& C
&ei,- C1 d# J. D+ @% U
&uiErr);
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SysFreeString(topicStr);: F- Z# J8 N( h% O) P" u
SysFreeString(itemStr);' \( ]* d8 p5 j" D1 W
SysFreeString(valueStr);7 m9 X# V9 f! m, i0 o/ p
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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???6 m! I5 R6 ^8 g7 r& 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) j( C# v, R( W, a
// Request a value from Extend
9 k4 k: { y, \5 U* @ A% E//
9 o: }3 |0 _& D: M8 u. g" I) o// Initialize the variant that will hold the BSTR. Set the variant's
: s+ a8 g9 Q3 V7 F( F) g// type flag to indicate the fact that this variant holds a BSTR. Place the
) e9 C3 ^7 t/ I// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);& P' N4 P* H) G8 P9 \7 B, |8 Y8 _
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
/ \0 g0 D4 \7 }5 h' Z5 r* c% D VariantInit(&requestVariant[0]);
* J, z- u; m6 z" x3 T. D% M requestVariant[0].vt = VT_BSTR;' g# P6 J- ^$ T9 {: }
requestVariant[0].bstrVal = itemStr;+ k% M1 I+ |) O% L& {+ t0 q; @
/ H6 x& O/ o3 D4 e: \6 ^( w7 ~ topicStr = SysAllocString((WCHAR *) L"system");# t# _5 X8 W, t/ w2 M- D! Y, e
VariantInit(&requestVariant[1]); 0 b4 P( l. u) ^4 d
requestVariant[1].vt = VT_BSTR;3 s$ ~! }/ R% v1 |
requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;
( q; ~7 [4 L& z4 C dp2.cArgs = 2;( _* P5 y: @+ \
dp2.rgdispidNamedArgs = NULL;" j5 l" \5 ]% n k" E' f6 H6 q; r
dp2.cNamedArgs = 0;
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4 S9 V3 P2 s. S0 L4 g: Z+ e var.vt = VT_EMPTY;# Z. p, \. O7 D2 k
( n) U. t% J8 A! N+ ^' G: W// Call IDispatch::Invoke(). M8 N' z: V9 U3 h3 \. A j
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hr = m_pDisp->Invoke(- `% Y2 } F2 _2 J$ s/ P; p
requestID,
- }& Y! U' B+ ^ IID_NULL,/ t$ J! x) T m! m' G4 S/ I
LOCALE_SYSTEM_DEFAULT,3 F9 D7 j& R' U' G) x
DISPATCH_METHOD,
" v O7 e4 @$ i &dp2,
) P9 F6 h+ K9 f$ j! r2 f/ Q6 s) c &var,
2 [, w/ P, e4 G. h* {3 |3 k) z &ei,- I4 D4 Q! |( t9 u9 @% t/ y
&uiErr);
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# R; D% |# B; o SysFreeString(topicStr);
2 C. D% f6 ^" Z }. x% { SysFreeString(itemStr);6 J- O4 g, K# a) Q9 F) U
请问该程序是获得extend里面的哪个值?
& }+ J0 S5 M8 a* f( `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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