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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:
$ j8 c- f1 r, V( |9 T; M# a1 C( y8 tName = (WCHAR *) L"Poke";
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% \) F& w( b B! E hr = m_pDisp->GetIDsOfNames ($ p- O; v8 b4 Q- k6 R& Q6 z- l5 I
IID_NULL, // reserved
# K1 R% v. I! h; e &Name, // Array of names to get IDs for! O7 k! T' T' S3 s
1, // # of names in the array
- j8 U- j6 v/ @# ?0 ~; j0 t% ? LOCALE_SYSTEM_DEFAULT, // System locale! K$ x6 Y) y& h* D6 u
&pokeID); // Array of IDs to fill on output2 H3 V. M5 q2 k0 ?. R5 l
: B- n7 Z; M! _+ i# P) C* {3 J1 q if (hr): c0 \; r# L6 P5 }. Q
{
' }; h& J: p) t+ W MessageBox ("Get Poke Unsuccessful");" ], o8 E. G1 X( X) R9 ]
return;5 }2 }5 l8 Z; F; w
}
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) Y" ~, r1 b. W/**************************传递数据给extend**************************************/
* a% ]' C2 P/ x: o, E8 D# U pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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$ K: X* r8 j7 T4 l r7 S valueStr = SysAllocString((WCHAR *) L"1232");
3 O) T7 i( `1 c; ~. U: f- O VariantInit(&pokeVariant[0]);
+ ?+ u( m) o& W/ b; i5 D+ d pokeVariant[0].vt = VT_BSTR;& l! N5 H9 V9 E8 h; i9 [
pokeVariant[0].bstrVal = valueStr;* I4 W& W; L5 H! F1 h
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
) A8 _( b4 K3 u VariantInit(&pokeVariant[1]);
& c8 D# T9 X0 ]2 g pokeVariant[1].vt = VT_BSTR;* y) f( Y$ K2 i4 f- [
pokeVariant[1].bstrVal = itemStr;/ q7 _# t$ `) b, g! @% c7 z; b D9 t; t
% U' Q3 H( ?+ H& t topicStr = SysAllocString((WCHAR *) L"system");0 g2 }8 m# {' d4 B) v9 G
VariantInit(&pokeVariant[2]);
5 D: S ?7 [' X1 b8 l pokeVariant[2].vt = VT_BSTR;% [& Z2 g, y( `; s: e) o3 s
pokeVariant[2].bstrVal = topicStr;1 O+ F/ C1 C$ a8 X
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// Set the DISPPARAMS structure that holds the variant., W! `5 ]3 V# m( { u' O
3 S! j i* D; u dp.rgvarg = pokeVariant;
. I7 g9 m e7 y, s dp.cArgs = 3;
. ?8 n# B! w! Q" n" A dp.rgdispidNamedArgs = NULL;$ Q+ ~/ l. S$ |' f. `; g
dp.cNamedArgs = 0;
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& B; |# T0 `, [3 u// Call IDispatch::Invoke()
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+ V) d1 h+ y' V4 X hr = m_pDisp->Invoke(9 b' S; z$ b- t. X0 p
pokeID,6 I; q1 ^9 |+ {) ?
IID_NULL,3 U( h4 ?1 }7 R
LOCALE_SYSTEM_DEFAULT,
) ^$ j9 V$ x' B" C DISPATCH_METHOD,* H3 s* Q* S& T
&dp,
0 T* e' ?# j9 b NULL," Z, Y) q# ?/ e. Z% O! p
&ei,' W# d2 }" Q! P7 S
&uiErr);
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" |. }1 U- p p SysFreeString(topicStr);: g$ I; d" I5 Q, I3 ]' o8 }( ?* ?4 `5 A
SysFreeString(itemStr);
) r% G: l; O7 \" K# Y SysFreeString(valueStr);
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, D+ E, d. D F5 u6 d- t) n \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???% v- d. _9 v2 b* n! |
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???? Q: Y: T- G- M1 k# Q, B- H/ o
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2.这是request的程序
3 z4 n8 |0 `1 I" ~* }// Request a value from Extend
% V. h3 L9 o5 ~& v9 E//& Z/ `- k. ^! U
// Initialize the variant that will hold the BSTR. Set the variant's; @/ M6 \* ^" o8 C
// type flag to indicate the fact that this variant holds a BSTR. Place the
. K, y0 B4 R' ]9 U+ I0 R! J// BSTR into the variant structure.
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( [' m0 g4 a% t/ w requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");! ]: E( B) H( `
VariantInit(&requestVariant[0]);
6 x0 b% N8 s$ ~, X. i) r( @& j' Q requestVariant[0].vt = VT_BSTR;
# T w) v3 m6 [6 A2 o0 _8 m5 J2 q6 M requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");4 B+ w6 i6 O0 V9 Z7 x* E& E
VariantInit(&requestVariant[1]); 7 j; W7 \0 x0 p3 V; a
requestVariant[1].vt = VT_BSTR;8 D* D |2 A: a2 G
requestVariant[1].bstrVal = topicStr;
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0 Y$ f9 P& S7 n1 c// Set the DISPPARAMS structure that holds the variant.0 g0 ]: B/ V' }: D# u* e8 @/ l
$ F, B& m8 p- Z. k7 ~ dp2.rgvarg = requestVariant;$ ^; u; F0 J) ?% Q
dp2.cArgs = 2; F2 u1 Q0 D9 ~( R' s- d+ x5 d
dp2.rgdispidNamedArgs = NULL;3 B! @- R1 {& {- F
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;2 h* C4 o: E3 |; P
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// Call IDispatch::Invoke()" ~8 w9 D3 A- V1 {( [/ z: Q
' X+ F- y' t9 Z0 U: \. i hr = m_pDisp->Invoke(
' V" v- s/ d5 J/ o requestID,! | [" d9 v8 [( z J! n' Y4 G
IID_NULL,
7 ^3 R6 { x4 N* C- U' ~ LOCALE_SYSTEM_DEFAULT,9 m" |) Q$ E* _: @) Q/ i
DISPATCH_METHOD,
/ `9 P) s# X2 y X &dp2,
0 A' U3 x9 ^+ ]6 @4 L; N &var,( E* y5 `2 i, l/ L% S- V' H/ k
&ei,
- G @$ a, [1 A: @' P &uiErr); }& b. {8 V1 D8 b& m5 _, x
3 K" U9 p, n F* u9 z SysFreeString(topicStr);. @7 l: }, {& g9 T* a& P6 J
SysFreeString(itemStr);
3 ?) X% z& U( K% N请问该程序是获得extend里面的哪个值?& b+ Z1 z& ?+ ^" x" B$ g
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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