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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: T+ l+ Q3 g2 J% S& F
Name = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (
# r ?) D4 r5 P IID_NULL, // reserved
# N/ G3 w& k* @1 c! X% H8 k% R &Name, // Array of names to get IDs for
( V; `0 ^1 x3 p3 o: S 1, // # of names in the array
2 C, e; b F% w8 J3 C LOCALE_SYSTEM_DEFAULT, // System locale" P1 H- T3 Y- Q4 w! `
&pokeID); // Array of IDs to fill on output S( c8 o+ I3 B" _6 o0 e
! ~1 |) V) h, }
if (hr)) W- t E8 s- V6 w8 V
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MessageBox ("Get Poke Unsuccessful");6 T, R; @! j9 e
return;( R' H4 ~/ y. Y8 L* z
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/**************************传递数据给extend**************************************/
+ Z) @# `' C! j, J5 ?& z pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
& W; l% P7 e! D7 o" r
+ `1 j6 L) R* \! l: e" T E5 c valueStr = SysAllocString((WCHAR *) L"1232");
' Y( L1 i" K7 V& B VariantInit(&pokeVariant[0]);
# M2 c# n3 B/ C- G pokeVariant[0].vt = VT_BSTR;
2 L- a9 E8 `( A pokeVariant[0].bstrVal = valueStr;! P) j+ M/ y a0 l2 l$ |0 y& ]
' G, p H# X9 Y$ n4 k' e9 K0 [ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
* W2 ]# q3 m- j8 a VariantInit(&pokeVariant[1]); * j, [! Q$ \1 |5 ~
pokeVariant[1].vt = VT_BSTR;
. {- Q. ]5 A; X; J pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
3 U5 G' M6 q, f VariantInit(&pokeVariant[2]); 2 b6 ], w+ c0 G; n0 U
pokeVariant[2].vt = VT_BSTR;
3 g+ `4 l3 M O1 h4 r& t( T pokeVariant[2].bstrVal = topicStr;
Q- G, q& S/ s& F- M, o
% W, _6 _# H3 F) X4 V1 ^2 ?// Set the DISPPARAMS structure that holds the variant.
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2 c/ B3 [! a7 F dp.rgvarg = pokeVariant;; v. W4 Z: V3 L U
dp.cArgs = 3;0 K# X; S a; u; f
dp.rgdispidNamedArgs = NULL;5 \7 r. M7 h( J/ p! F" O/ i, i0 ^3 V( Q
dp.cNamedArgs = 0;
: S$ F. |6 {( Y, f) x: L0 o
0 ^" P5 ?( k- c5 s// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
9 m! r0 {4 O8 v6 Z pokeID,
, g: P! J9 W1 t8 ^ o IID_NULL,) s! a; d/ F! S3 j9 I! ~. y
LOCALE_SYSTEM_DEFAULT,
/ R8 r8 P/ V& O' }: E7 U: m DISPATCH_METHOD,! `) s1 f9 o+ n! U
&dp,; E; m. |7 o+ u1 J
NULL,
9 F9 R: P% Z4 ]) U N5 E0 L &ei,
3 }" L0 D; o- g# S) b+ c& Z2 Z &uiErr);' O, S6 z- Z9 C; z$ X! X
+ Z1 t! @' |3 [* D$ b& ] SysFreeString(topicStr);
. @* L5 e6 [; `! j3 w1 e SysFreeString(itemStr);
0 [8 ?) v5 M3 q2 w8 v, q5 J SysFreeString(valueStr);
7 [" q9 b6 m! w3 i6 g. g+ `1 \9 R/ U6 n. @- q7 p3 D# `7 a- r$ A3 `+ k8 b0 u
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???
: @; c! y" R1 V' s# U6 w$ B$ s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- U6 \8 j, k" [/ ]3 P
// Request a value from Extend
# C1 l8 h3 b' k3 g//) S/ f0 i! s B/ x" W% N
// Initialize the variant that will hold the BSTR. Set the variant's) ^/ N, y: x, O# Y
// type flag to indicate the fact that this variant holds a BSTR. Place the
3 U% F$ {8 l) M+ Z4 f7 G+ @// BSTR into the variant structure.& Q; Y1 B5 U' G& a# k: w4 |0 G3 i3 g
, _/ f) m6 Q( l( |- S requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);5 F& b% I8 R, G" r7 P3 k
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");6 p8 `+ R+ u/ ]) x4 C& P6 B
VariantInit(&requestVariant[0]); L' E7 c. p0 i5 e
requestVariant[0].vt = VT_BSTR;
( j% W1 _! D8 V& V requestVariant[0].bstrVal = itemStr;' s* M* i& W& `; N
) }# J& x4 i, e& \! ]5 m topicStr = SysAllocString((WCHAR *) L"system");+ `2 q' E8 Q4 K# @5 {
VariantInit(&requestVariant[1]);
7 [/ X W3 d0 R requestVariant[1].vt = VT_BSTR;
( v& l! n6 |9 L) z3 Z requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;
# \7 W0 y0 k5 i! L( q! O& p+ [, s1 r dp2.cArgs = 2;
# j. j, R1 J! h2 o t dp2.rgdispidNamedArgs = NULL;* ^! {# b' _- l* a; X% [ l; O4 A
dp2.cNamedArgs = 0;+ |- X/ x& `8 J. v; T0 u7 L
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var.vt = VT_EMPTY;" H y+ Z! v- _- q4 f! q! z
# `/ [& W+ v, y) W- L! r// Call IDispatch::Invoke() n; P1 b% n# i# p9 F: ?
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hr = m_pDisp->Invoke(
' b( d6 S, ?% d1 ^/ o' T requestID,/ s% l$ |* b' i0 W, X2 z
IID_NULL,
1 E: d r, a* x" E+ s: N LOCALE_SYSTEM_DEFAULT, x: b, X4 q6 Z9 K7 C
DISPATCH_METHOD,8 q6 k! J Z0 j4 W; r6 |, t" u/ T
&dp2," d7 L' B- O* ` o* g' I
&var,
}7 n0 _/ X% K4 ? &ei,
' A( j& e) I7 b4 |* N &uiErr);1 Q# t9 V- w) w( ^( E0 n3 T
1 E5 ]: \/ C2 \ SysFreeString(topicStr);+ L( t+ n8 H6 |
SysFreeString(itemStr);
7 w4 g9 l# s! |5 j$ j请问该程序是获得extend里面的哪个值?
% p! s/ t" t: k" 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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