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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:0 t" o, z' L- K7 Q0 d6 m
Name = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (
4 ~# ?8 Y: Y- V' ? IID_NULL, // reserved0 A" L* a; j4 n
&Name, // Array of names to get IDs for
( N2 Q/ ^6 |' J" i% v' { 1, // # of names in the array6 j6 {( R- d7 K* Q$ y2 H& C* Z! I
LOCALE_SYSTEM_DEFAULT, // System locale
( n/ e% M& [% r+ E) a6 k- y &pokeID); // Array of IDs to fill on output
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3 Q% t8 J+ r, z if (hr)6 T) h6 H& b0 R) w% {, s5 x
{) p6 _/ Z; d- T( v
MessageBox ("Get Poke Unsuccessful");
% ~% ?+ t+ ]4 ^- W' s. t i; @ return;
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/**************************传递数据给extend**************************************/
4 X/ j. v3 I1 M3 ~' w0 d o7 ? pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);9 X I4 r g1 R6 Q+ u
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valueStr = SysAllocString((WCHAR *) L"1232");9 }7 x( n4 g. I. k% N# n2 g* C
VariantInit(&pokeVariant[0]);
5 o! g; [3 k7 R- T# g# ~! @# k pokeVariant[0].vt = VT_BSTR;- Z, l7 _3 ]2 D
pokeVariant[0].bstrVal = valueStr;
1 W/ A/ y# @! }
! y8 s* u6 A( v; ~, ?# n itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
! X$ q$ ]) F( T7 u8 s% | VariantInit(&pokeVariant[1]);
4 j/ B. Y+ {. O9 x4 m1 L% A6 C pokeVariant[1].vt = VT_BSTR;5 O2 `& s- g% E0 w. L1 X
pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");) A# x7 G7 y* `
VariantInit(&pokeVariant[2]); 8 Y% K% O7 ^0 f* S3 Q
pokeVariant[2].vt = VT_BSTR;& a8 {" `4 D0 k# m3 w% x: I' j
pokeVariant[2].bstrVal = topicStr;
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* M9 H8 x: X( [3 E// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;# \) s0 U' o+ G2 ]0 B1 v
dp.cArgs = 3;7 M5 M/ D9 C/ M9 R9 d8 g3 F5 q
dp.rgdispidNamedArgs = NULL;
w; {, I Y* _* { dp.cNamedArgs = 0;* H' w& H4 z6 R# P. W4 b
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// Call IDispatch::Invoke()2 e2 z( M6 R$ V Z0 z6 n7 p% T) H
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hr = m_pDisp->Invoke(7 G3 c! e& B, O) ~
pokeID,
. k( w" n1 M* O9 C* a) C8 m IID_NULL,! E% y- \! P8 G" }. _9 I5 R
LOCALE_SYSTEM_DEFAULT,
5 v+ F: v# E) o4 r" L- W/ Z4 l; p; o DISPATCH_METHOD,
- ^( U/ e$ X j &dp,
2 i6 n% Y% u& c y) L V NULL,
M! t1 p6 b0 @2 l' l' Y &ei,9 v; {8 S1 X% P" M; C- ] t8 R; ^
&uiErr);- l; X% c- X$ r. T J+ I
0 ?0 e' ?3 |9 l/ X' I SysFreeString(topicStr);! x2 ~' y1 d; l s( R4 D
SysFreeString(itemStr);
+ l, f5 j/ `/ Z) J _# _2 V 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???# z" n3 s( r$ ^0 C" o
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????- m4 X& F5 n+ k. |/ U' i6 t- s/ ]
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' C2 e+ ^4 V9 U3 [. u2.这是request的程序% ^3 `5 j4 Y( R, x3 T6 |. s: w9 @
// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's
2 u( L: t9 D! d" T" W: H// type flag to indicate the fact that this variant holds a BSTR. Place the
+ M7 m1 l2 Z) S9 w// BSTR into the variant structure.5 y9 `+ i6 H1 O6 _1 l
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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7 }/ v g) Q6 y itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
! K% K3 T8 C ~% C VariantInit(&requestVariant[0]); 0 g9 U1 l5 D1 Z! M' u& ^% \
requestVariant[0].vt = VT_BSTR;
5 p7 z- l' a9 {% J! r! w requestVariant[0].bstrVal = itemStr;6 U# P& b: o# |2 z3 c! M" f. C
6 j. R, }& t5 g R+ W topicStr = SysAllocString((WCHAR *) L"system");
* H6 i! F' P) \ @! o0 t VariantInit(&requestVariant[1]);
1 {; i* K o) y4 Y( }! K requestVariant[1].vt = VT_BSTR;
X& g5 }" d$ H requestVariant[1].bstrVal = topicStr; H7 }3 R9 ?& @2 d) p1 r" j# N
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// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;
/ Q# y& i3 {1 Z: W) p, a, x( C dp2.cArgs = 2;- [, `' P4 K9 F4 a
dp2.rgdispidNamedArgs = NULL;, m$ r" u7 }- a
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
) d- [. \1 q& l requestID,, v: i9 Y* |8 R
IID_NULL,$ X9 u* J7 e0 I1 ^
LOCALE_SYSTEM_DEFAULT,) k E4 r2 o9 u' ]4 w9 A% [
DISPATCH_METHOD,
' I6 Y t4 n- ?3 H; h! \) ?3 h0 U &dp2,
3 I2 G% B6 d q8 d$ o! \ &var,
3 d2 U- R. ?" p9 C t }* z( D &ei,
2 h) V+ R6 J y+ j, j( H6 A0 i* z &uiErr);
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0 s8 y, z0 M6 O1 G# b8 f0 E- W/ S SysFreeString(topicStr);
7 h0 ]8 o2 m" A& n0 Y9 i SysFreeString(itemStr);
- d u' g4 n& c( ]% k/ ]: K请问该程序是获得extend里面的哪个值?
0 K9 ]3 g7 \& z. a% h& H7 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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