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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:$ b$ b, t) N. v7 d; ~
Name = (WCHAR *) L"Poke";
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D/ h% d. N; r8 C- v' @* I2 | hr = m_pDisp->GetIDsOfNames (
0 X# [/ G! g! O0 |9 L3 R IID_NULL, // reserved
" L. v- U' K7 I7 ] k+ h &Name, // Array of names to get IDs for
( b% \! C9 X4 y 1, // # of names in the array( N4 [$ {" T$ v9 H! l5 Z
LOCALE_SYSTEM_DEFAULT, // System locale9 ^2 t& j1 v/ k& m7 I f. U- Q
&pokeID); // Array of IDs to fill on output
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2 {2 a. i( l4 W3 I7 e* a9 }4 f8 v9 \1 R if (hr)3 ~2 Z$ U: H! I3 d b* j; I
{
. A9 @- D- a: S& S MessageBox ("Get Poke Unsuccessful");, C7 W" C6 ~; k6 A# x8 P. `
return;
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5 @9 \# W; T, B. |- j/**************************传递数据给extend**************************************/0 u, j: [8 K) O- H
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
# U0 p I0 m& w0 _, V' i
. K! i+ {0 u7 f5 M9 S+ | {& j3 x8 S valueStr = SysAllocString((WCHAR *) L"1232");
; V2 X# Z. C& Y/ R, j VariantInit(&pokeVariant[0]); 2 a. c- B1 M( t! V
pokeVariant[0].vt = VT_BSTR;
9 S( ]! S/ a4 a pokeVariant[0].bstrVal = valueStr;6 m1 j/ C- m# v$ D. N- ?
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");" w5 W' s) s8 m; o; t
VariantInit(&pokeVariant[1]); 6 A, [$ a. ? R6 e; ]5 r' _
pokeVariant[1].vt = VT_BSTR;
# z# o3 U, O& @1 K& y pokeVariant[1].bstrVal = itemStr;$ l1 b! i: [7 G5 ~( v: h
. a8 I; I- l' G$ ~8 B _
topicStr = SysAllocString((WCHAR *) L"system");
( @3 }+ L0 }3 K1 L7 j VariantInit(&pokeVariant[2]);
0 j6 z" Z' b( ^- O- u pokeVariant[2].vt = VT_BSTR;
+ {8 g u( R8 E# U. d* t0 a3 P8 s pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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# z4 J+ E! U3 r7 [; u" X4 ~7 x9 I dp.rgvarg = pokeVariant;
' U! r" z& O* L dp.cArgs = 3;0 @+ T* ~& ]6 M8 t9 P& ~
dp.rgdispidNamedArgs = NULL;
& U+ H" K" n% q% f- \ dp.cNamedArgs = 0;3 M" ]$ O1 e& K1 x3 M& ?9 Q# e" G
5 ?9 U7 B' j, H// Call IDispatch::Invoke()% d% _8 ?% d: D- H' e* W
8 `: J& b2 F3 l- k* S" z* M hr = m_pDisp->Invoke(/ A$ E- f ?$ H' J' A7 c
pokeID,# b! y+ _. r& L/ Y
IID_NULL,
. K0 K: @1 [9 X3 S+ i9 t LOCALE_SYSTEM_DEFAULT,
: T' A+ p) p0 A3 Z3 }2 C5 \ DISPATCH_METHOD,1 `8 Q. w2 F% K3 |1 ~ d
&dp,
! X' e# Y8 h$ _ q NULL,
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&uiErr);. R4 d) _4 y# D2 S% S/ i: \4 U
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SysFreeString(topicStr);, w7 [' m2 ?0 K5 H& B k
SysFreeString(itemStr);
- ^ _8 w8 j, x+ p SysFreeString(valueStr);9 o" l( R8 E6 A) O
9 ]& i9 E! _- P7 V
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 h! r! b# T; Q" k+ w Z+ Y
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????7 z* }' a& K3 M+ H" y u1 N
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2.这是request的程序6 d9 |' y9 R% X8 @7 \
// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's
e! Z0 @9 j+ Z: c- k2 [// type flag to indicate the fact that this variant holds a BSTR. Place the
, {. K& d7 P( d5 H6 V" }2 i$ Y// BSTR into the variant structure.
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, k8 z) Q1 [/ L' [ requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");* |( G9 J" F3 B1 F) ~
VariantInit(&requestVariant[0]);
, { q+ M! _( E requestVariant[0].vt = VT_BSTR;5 |0 |2 Q' Y# f
requestVariant[0].bstrVal = itemStr;' l4 ^1 {) M \" s
* @2 ~8 L& J# v+ ? topicStr = SysAllocString((WCHAR *) L"system");
5 X b8 u0 Z5 S' L- _ VariantInit(&requestVariant[1]); : T9 e3 }6 K, r& ?8 \
requestVariant[1].vt = VT_BSTR;
$ z6 ^, W6 ?, B0 c; V requestVariant[1].bstrVal = topicStr; I9 o2 L+ c0 r5 O
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// Set the DISPPARAMS structure that holds the variant.
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0 v, I( t; l# W: f3 P+ I( _ dp2.rgvarg = requestVariant;! ~% G( L% C* y q' v; I8 J' ^* i4 o6 o
dp2.cArgs = 2;& J9 U7 t9 ~6 c- e3 ?
dp2.rgdispidNamedArgs = NULL;3 T7 f4 }' z |( y! Z5 a+ B
dp2.cNamedArgs = 0;; w O; o% v2 d- P
+ {7 d7 P# w$ F3 m1 O! {0 p var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()2 {5 O: c+ P6 O
/ R) e) V/ l+ E! w3 q: H hr = m_pDisp->Invoke(
) H. Q& t! G& q; W# I$ U; I2 B4 G requestID,+ Q$ ` f2 h2 u5 _& v0 u
IID_NULL,
) W' l: W7 x6 E# ]& [0 Q6 l LOCALE_SYSTEM_DEFAULT,/ [5 e0 Z) I) Z2 @
DISPATCH_METHOD,; f' ]/ Y, |1 j0 Y/ E: {
&dp2," d2 G9 a H, p I- [& r
&var,
. w) ~- ~% z: J p+ I1 Z &ei,
" ^: o1 k1 }4 Q2 l1 ~ }# | &uiErr);5 I; c" S6 ^& j, x: p0 n
3 W- k. P+ E: O8 g5 [% X% P) Q+ W SysFreeString(topicStr);
3 N" R6 N- w8 k, N6 a, g+ V, g0 ? SysFreeString(itemStr);
+ `" X* I/ t$ T请问该程序是获得extend里面的哪个值?' d8 c6 n5 W8 z& ~- q/ R
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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