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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:1 f$ d7 E; s( J9 }
Name = (WCHAR *) L"Poke";8 } ^: L( z9 K: S$ N/ x2 M
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hr = m_pDisp->GetIDsOfNames (5 g, f; q0 N* K5 \# c9 [
IID_NULL, // reserved4 K, b. s1 p' d3 l; j
&Name, // Array of names to get IDs for! a3 \9 K, a# t, H- G' P
1, // # of names in the array/ E- Q: }& f1 _# F/ O$ A% L
LOCALE_SYSTEM_DEFAULT, // System locale) T7 l6 a& U1 n
&pokeID); // Array of IDs to fill on output; V9 M" u- z: Y1 V8 y, O8 K
W# i, S: t9 e% C! k0 d) K5 O if (hr)
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MessageBox ("Get Poke Unsuccessful");
4 m c( H: X2 G6 q return;/ V% ?# E! S) v5 Q& M, Q
}3 }" _: s0 d5 J; ^
* D6 k7 @7 ~6 O% g3 |% H( O' r8 i/**************************传递数据给extend**************************************/
0 O6 a4 ~! w# U& |5 g2 z pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
: v& D6 c+ P* }, ~, e, z; g' u+ C
- N8 j* B" M' V7 S# N$ h9 V valueStr = SysAllocString((WCHAR *) L"1232");, o& b, p( F+ E
VariantInit(&pokeVariant[0]);
7 z* P# J6 c3 L' G) S pokeVariant[0].vt = VT_BSTR; s: @; U7 R2 A0 m* R* k6 Z- N
pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
# o. K( X" b5 z+ E VariantInit(&pokeVariant[1]); ) X5 K/ T" L9 l3 [
pokeVariant[1].vt = VT_BSTR;' \) ?8 B9 O+ P. P% y: J
pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");4 N( N, X# S) O5 o* u0 p
VariantInit(&pokeVariant[2]);
3 i7 q2 R! ?. h pokeVariant[2].vt = VT_BSTR;6 {" o" j% g. A* S# u/ O
pokeVariant[2].bstrVal = topicStr;; _' X( k# `. W0 O5 Y) g
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// Set the DISPPARAMS structure that holds the variant.
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7 j, z3 o$ P; | dp.rgvarg = pokeVariant; C7 u8 r: s& c, v4 r
dp.cArgs = 3;! H5 P1 R. d `" G+ Y
dp.rgdispidNamedArgs = NULL;2 i3 A7 I/ n3 i6 E2 g- m+ G' J" ]
dp.cNamedArgs = 0;
! p( C7 `0 o0 i
% |5 J. f6 ~: g6 `5 z// Call IDispatch::Invoke()9 \6 N0 T4 G; u( `7 t! ]
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hr = m_pDisp->Invoke(
b ^- v& o% @5 V% y) K9 D% F) u pokeID,8 Y' B6 o B3 j7 d) ^% [
IID_NULL,
% L) u4 m8 s) ?4 Q7 {# J( U( y LOCALE_SYSTEM_DEFAULT,
; v- v9 B% j+ v+ m! Y( m s4 d1 R DISPATCH_METHOD,
) Q7 w; l7 }! K, h &dp,' X. D1 B7 U4 f$ u) @3 `) ~- h
NULL,) r( X4 u( T. V5 j+ e1 w
&ei,) ~( A: u6 P% F9 n% [+ i
&uiErr);
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SysFreeString(topicStr);' c$ M- h( ?6 n
SysFreeString(itemStr);
0 W8 e9 C; \9 [+ U) j& l+ z: |; P 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???
g ?& U2 x' o1 p9 q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
8 H& a. d- |( X' Q6 R// Request a value from Extend
, j1 I) ?% I! p2 @" @2 T//
) r' G+ m& O2 U/ A// Initialize the variant that will hold the BSTR. Set the variant's
4 s$ \9 B) b. I. O/ F( \// type flag to indicate the fact that this variant holds a BSTR. Place the
9 {. j6 x w# T P, X6 k// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);7 O4 Q# l! l& a
' z) T0 j L8 r% u2 ]# c itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");# R: i& h+ I5 z. P8 I u
VariantInit(&requestVariant[0]); & x& o* B" n' t/ y0 I" V
requestVariant[0].vt = VT_BSTR;
+ x# h. F& W( t! E) A) i requestVariant[0].bstrVal = itemStr;
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2 @- u0 o0 k9 Y% s" B. n+ y topicStr = SysAllocString((WCHAR *) L"system");
7 E) K, ^4 d% Y5 B VariantInit(&requestVariant[1]); 4 O& f- n" b% B2 \. ]
requestVariant[1].vt = VT_BSTR;
1 u/ f9 L" c5 [4 z# X requestVariant[1].bstrVal = topicStr;
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( O/ T! G V- U& Q1 Y( y- d5 \5 y// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;
- C7 x, W: {* z$ L dp2.cArgs = 2;5 w; v, y, r; V# T" Y) Y! V4 p
dp2.rgdispidNamedArgs = NULL;1 X# t7 Y& ^, V7 h" w8 |/ w4 t
dp2.cNamedArgs = 0;- N3 |: B% |. }
" T; _# d2 ]' o- u% G var.vt = VT_EMPTY;
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* [0 O% o8 O8 v9 c6 @9 N( o// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
% V+ w: P' [" h. j+ n( R requestID,
( H* M6 B i9 p/ G1 w8 _ IID_NULL,
2 a$ v, A5 ?1 H& L2 Q% V LOCALE_SYSTEM_DEFAULT,) [7 `% z6 e8 O' Q3 g1 v
DISPATCH_METHOD,! |9 j, o( O9 ?" k, H% H
&dp2,
, w/ M" `- V" } Y. m5 J &var,. T, ?+ a4 F2 g* ]
&ei,
* B/ `* C/ u' k5 a) r &uiErr);
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SysFreeString(topicStr); ~5 r" J U3 G" n1 s9 D
SysFreeString(itemStr);
/ i% Q; s% R& Z! K请问该程序是获得extend里面的哪个值?
- r; \- n* Q5 _* B, h t* 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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