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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:! E1 S4 q+ s! p6 h% z: l: u& ^2 P
Name = (WCHAR *) L"Poke";* O* y6 n( V% y: k; ^8 d7 N4 U* Z
9 Z7 ?# r( N& N% U* ] hr = m_pDisp->GetIDsOfNames (5 D3 |$ z9 `) h
IID_NULL, // reserved7 O6 d1 T1 i2 `4 V1 k1 X: v
&Name, // Array of names to get IDs for
6 @1 X* `5 u9 s# I! z7 m) j 1, // # of names in the array
& K7 A0 h' v+ |" E, J3 d: c LOCALE_SYSTEM_DEFAULT, // System locale
$ w7 H* @3 w, {, Q4 Y4 D &pokeID); // Array of IDs to fill on output2 x( d5 C- [3 R# F& O! @9 r
& Z: V( x! E2 t/ x6 F. a if (hr)
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MessageBox ("Get Poke Unsuccessful");9 ^. K* j' C+ s8 e B* T. @, I3 }
return;
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. K2 X2 r- Y; A7 g( M2 E/**************************传递数据给extend**************************************/
# W4 [1 ^. p+ l% d' A o pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);4 m& ]$ o) y: ?
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valueStr = SysAllocString((WCHAR *) L"1232");
" Q0 _9 H3 X: `2 _8 G& V VariantInit(&pokeVariant[0]);
% A8 c# [; g) r9 `5 R pokeVariant[0].vt = VT_BSTR;
4 x7 J# |' Z. s# | pokeVariant[0].bstrVal = valueStr;
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2 U6 k( u9 @6 _7 y# ^ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
- i9 B- D5 D7 A; v9 U4 k VariantInit(&pokeVariant[1]);
0 U2 A3 d! Z* d7 n) V pokeVariant[1].vt = VT_BSTR;
$ t, {7 ~: z- O- e pokeVariant[1].bstrVal = itemStr;
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2 B1 \0 ^5 M2 ]1 m$ w; V7 I topicStr = SysAllocString((WCHAR *) L"system");7 i A4 r2 k1 \& [* O
VariantInit(&pokeVariant[2]); ' l8 m- F$ |, A) s) s
pokeVariant[2].vt = VT_BSTR;
8 ^6 Y8 R2 P4 K# T2 O0 R1 ]& N pokeVariant[2].bstrVal = topicStr;
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0 F$ B1 c8 b% |( |// Set the DISPPARAMS structure that holds the variant.
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( |) @$ D, ^! ?+ l d5 ^ dp.rgvarg = pokeVariant;
% l5 r8 F- Z/ A' P o J dp.cArgs = 3;
$ G) i# l6 m' }: L0 ^# { dp.rgdispidNamedArgs = NULL;
" ~' I% j; H, i2 x( ~3 r1 } dp.cNamedArgs = 0;
; J: {& I3 c% k- p$ g" R# B6 _( y" \" e5 |8 |- h# U0 D/ T
// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke( {0 Q5 @8 F) z1 C
pokeID,
5 z! @2 C' ?) b7 z IID_NULL,* u0 d# x2 |9 y/ T1 ~
LOCALE_SYSTEM_DEFAULT,
+ S5 y& \) }5 ]1 V; Y+ ~ DISPATCH_METHOD,
2 Y2 r: P+ g& a- z2 U$ I3 a: T4 G &dp,
) h) q( Z$ G; X! i NULL,
, x) m2 j5 T2 \! t6 {1 Y4 w8 C &ei,
+ ~0 r. g' ~% d! ~ &uiErr);
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SysFreeString(topicStr);
5 Z ~2 l! l* k$ O& b' L& U SysFreeString(itemStr);
) a ]! j2 ]. p6 a0 \: E SysFreeString(valueStr);
. @0 k6 d6 T5 g. |. {
# }! d$ ^# d# h5 i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???% q" V* D3 g: A& J3 p- }/ B7 {- ?
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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4 E6 {' F( @5 e. t9 L+ g2.这是request的程序8 |" F) z" t' ~
// Request a value from Extend
" z/ b, J1 G% \3 v( U//
7 O; w5 M9 `* y: e// Initialize the variant that will hold the BSTR. Set the variant's/ e) L3 {# _2 D" Z8 U/ U5 }8 V! z1 j
// type flag to indicate the fact that this variant holds a BSTR. Place the
' z3 W/ u- W) @( |3 }// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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/ e! X6 T' V8 t i itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");1 M5 t/ h( ]0 [5 J- k- F/ a3 L- y
VariantInit(&requestVariant[0]); , r. P0 X3 F1 z1 U& q# A4 x
requestVariant[0].vt = VT_BSTR;
" v+ P: w9 ]# m8 a2 @ requestVariant[0].bstrVal = itemStr;) T9 R1 k4 v- S% Y4 J' U
5 [% B$ c7 d! T topicStr = SysAllocString((WCHAR *) L"system");1 y. m3 j9 ]& C1 A
VariantInit(&requestVariant[1]); / j" J2 |* {$ P% c+ w" g0 F
requestVariant[1].vt = VT_BSTR;
/ I4 z2 T* O- P" H requestVariant[1].bstrVal = topicStr;& [8 H$ | z8 ~8 e1 V/ D# m
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// Set the DISPPARAMS structure that holds the variant.! m0 Z0 x3 m( k3 i1 b
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dp2.rgvarg = requestVariant;5 V0 j0 w2 k$ A$ I
dp2.cArgs = 2;) O/ E Y; l2 H9 g# i
dp2.rgdispidNamedArgs = NULL;! b* ~4 \, s" |( Y
dp2.cNamedArgs = 0;6 `( N f. h+ d
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var.vt = VT_EMPTY;9 i5 p3 R, u6 q" R3 U1 y" p! P4 S
" \! ~( e. Q7 ~' z1 }" q// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(2 s! U( I: s" z- ?' o
requestID,0 r; f4 Q; x8 _6 l7 ?% s+ V$ O
IID_NULL,
( F8 v i0 ^- f# s% _, I* V LOCALE_SYSTEM_DEFAULT,
" t- S! O' Y8 h8 \; ?/ m# Y5 r" l DISPATCH_METHOD,
$ H3 n1 C; D+ M L% O &dp2,
9 m. y. K% V0 x" Z &var,
% u% k0 S: j* X( h+ ?" D &ei,& `0 W, o6 g/ [1 o2 H; x/ g8 W
&uiErr);8 V, q3 o+ W3 U: m9 ^8 V' P7 H# A2 F0 A
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SysFreeString(topicStr);' Q% T T& A. H3 a2 U7 n
SysFreeString(itemStr);2 _0 t5 N1 a+ f) M: T6 D
请问该程序是获得extend里面的哪个值?
6 c2 j3 H4 O5 r; A' M5 x1 w) e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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