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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:
9 O3 Y+ G* [% r7 C: zName = (WCHAR *) L"Poke";/ q/ a/ D9 f$ Z! Z0 o- P
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hr = m_pDisp->GetIDsOfNames (
5 g, m' ? @ W5 t3 \3 b2 h IID_NULL, // reserved! i; z6 V( U4 L. ^4 P) v) S
&Name, // Array of names to get IDs for! ~% g$ W' E* O. O! t, q
1, // # of names in the array% O4 H; b, c% v
LOCALE_SYSTEM_DEFAULT, // System locale
. s5 g9 C6 g" h0 D+ v! g &pokeID); // Array of IDs to fill on output# H8 m& @; z. J9 @5 `9 ]+ Y: j! k
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if (hr)4 b/ _2 L7 N' X" T6 `- E% `
{, r2 d. Q! K ^, y: q0 E& i
MessageBox ("Get Poke Unsuccessful");7 a- M0 r |+ a- e+ s
return;( p# @: I, D' c0 D a" ~7 ~
}
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6 _5 P4 n+ k" N: H# X+ o8 D# M/**************************传递数据给extend**************************************/
: w' n7 W4 E+ t* F1 u" U pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");& t' Z4 N, [1 x5 y/ G5 P- R
VariantInit(&pokeVariant[0]);
5 C Z8 Q; b, r! N9 { pokeVariant[0].vt = VT_BSTR;
7 m4 ]8 W$ @) X% y* Y, L; \ pokeVariant[0].bstrVal = valueStr;' C. ]) L' Z9 R6 t2 @! i' u: }
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");/ V3 ^* @! F+ G9 L, ]1 D
VariantInit(&pokeVariant[1]);
" ]# B, G$ c4 H8 w- i6 @ pokeVariant[1].vt = VT_BSTR;
( ?6 R: N/ V4 n# I" o" N0 p( x; h pokeVariant[1].bstrVal = itemStr;! J% ] o5 u. B1 @/ `- w' }
5 p! A- c- _& ^. }! E, z- ] topicStr = SysAllocString((WCHAR *) L"system");
9 [! N( e- J6 o6 k VariantInit(&pokeVariant[2]); 0 i1 _! {$ Q2 }* W2 u$ n( a
pokeVariant[2].vt = VT_BSTR;
5 S6 e& D' a7 w+ K/ m. z pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.! i7 s4 `$ s$ t1 w) w% |8 J0 l, S
8 L3 H q: v3 c/ D$ I# g dp.rgvarg = pokeVariant;
1 N. G; Y5 R7 p3 n8 O! h5 [ dp.cArgs = 3;4 v' }: J7 e( P3 v" X- `
dp.rgdispidNamedArgs = NULL;4 W/ n* F7 H. v7 c$ t0 G7 I1 N
dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()1 R/ F: D) ]8 V% u
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hr = m_pDisp->Invoke(- D1 {+ ]# @, p. l. _" O" P8 r
pokeID,; C% h& Q5 S' W3 V2 a
IID_NULL,+ Y$ A6 F: b1 K x0 p
LOCALE_SYSTEM_DEFAULT,$ R( |4 L0 z) s) h z
DISPATCH_METHOD,
9 ]5 c! y0 p$ c/ P3 V1 [ &dp,
4 |; f7 N+ O5 q9 I# P2 Q NULL,
( z0 X2 }. @% G5 Y5 ] &ei,
" H/ K# \# _. p l4 N &uiErr);/ F" l: x+ F; d' V
1 o% j x; s9 ]" h
SysFreeString(topicStr);6 v4 V4 g- e0 V9 @6 f
SysFreeString(itemStr);
5 g9 n5 ~7 Q ~$ K SysFreeString(valueStr);
+ r! S! k1 ]8 J$ x
9 M4 x2 ~4 o" m3 j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???
0 a# ~: U3 ~9 x# @2 |3 I( [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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3 C: N( Y! J& _) V# ?# F# j1 j2 d% f7 g2 d- E8 `# Q
2.这是request的程序6 |7 y, I; _9 y0 }' l
// Request a value from Extend
* p; I6 A/ Z2 Q) Q//7 o- i* L3 g. Y( Z. P) N
// Initialize the variant that will hold the BSTR. Set the variant's
9 ?* |! L: A1 E' p) g. ?( g, w5 v// type flag to indicate the fact that this variant holds a BSTR. Place the
- g) T J6 c( B. F# [// BSTR into the variant structure.& |. J4 @" `' A' ]
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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- L5 {& V. U1 ]: P itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");+ j/ A2 \8 |1 W- D: H# E' Z( f
VariantInit(&requestVariant[0]); 2 O: l" ]( O, B/ {
requestVariant[0].vt = VT_BSTR;* H, x7 m* a, ^" \; r+ b5 h
requestVariant[0].bstrVal = itemStr;+ G. B6 ?7 b6 f M) p6 e
+ e) ?& l) L7 y/ E- q* m, J) E$ L topicStr = SysAllocString((WCHAR *) L"system");
+ |) ]1 d- s6 m( w8 t/ _ VariantInit(&requestVariant[1]); / ~% q3 J, J+ b' l9 q G9 \! a
requestVariant[1].vt = VT_BSTR;
# J7 k! ~; r+ d9 ~$ ]4 r8 y | requestVariant[1].bstrVal = topicStr;3 r+ a4 a. j8 P# g, V
4 ~& V5 {8 s! Z4 J& B, e+ x/ K// Set the DISPPARAMS structure that holds the variant.
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( W' w" {' t7 q9 A dp2.rgvarg = requestVariant;. m9 j5 Y6 z4 i" L1 Y
dp2.cArgs = 2;
. y. y: ^2 S: f& ~ dp2.rgdispidNamedArgs = NULL;8 n S8 W! T1 F( B8 [- M* g6 P
dp2.cNamedArgs = 0;
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( I& k/ q! e4 n1 m+ T* c- @- q5 K$ J var.vt = VT_EMPTY;
! Y W7 {9 @: j- f; g. `
8 v/ l4 N) w0 j% J// Call IDispatch::Invoke()
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% \4 V* z r" \0 I hr = m_pDisp->Invoke(3 f5 ~/ S2 g: b( b8 {' {
requestID,
4 p' [( V; J8 E IID_NULL,! O6 j& Z" S5 a' a1 \! P
LOCALE_SYSTEM_DEFAULT,
5 A: ?, I! f0 q) m2 G4 K9 Y& y: T4 b DISPATCH_METHOD,1 m y, P' y3 f
&dp2,. v3 }- [( m+ N$ Y q4 m
&var,' f$ V5 U8 r! j
&ei,
0 m/ v" d: U/ m V5 Q; P/ x4 G/ y &uiErr);4 \! P6 \4 R, C' O0 x
1 s* j3 Z7 }* J% O+ ?7 J8 H6 Y( ~) K
SysFreeString(topicStr);
, x. }" n! A3 A9 ?7 f; ^ SysFreeString(itemStr);
/ M3 Y2 ?' |. r/ K! A请问该程序是获得extend里面的哪个值?: Z# K/ N4 a9 S3 T$ ^
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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