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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:
7 {/ a$ ]/ |- j- s! d0 pName = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (5 Y- `! u# e0 Y: i8 j
IID_NULL, // reserved2 D8 S3 {: Q. {) Z" D) |; _
&Name, // Array of names to get IDs for
% E# O1 {3 X. J. G0 i' b+ y 1, // # of names in the array) @3 q t7 N+ U& }9 R0 X
LOCALE_SYSTEM_DEFAULT, // System locale2 Z- V" {6 N. @- _
&pokeID); // Array of IDs to fill on output8 P" J: [7 ~3 y8 i- y5 a
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if (hr)
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MessageBox ("Get Poke Unsuccessful");
% O: b/ [( a. q' x8 ^, Z+ j g return;8 \' D9 l' s Z8 D# F% J$ M5 r. L
}
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! P" F" A* i* I8 G. h2 Z* J/**************************传递数据给extend**************************************/! B+ ?, l9 ]" H$ E8 @: w9 \
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);! L( j8 R& W: Q4 v' I! _
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valueStr = SysAllocString((WCHAR *) L"1232");
0 Y+ R6 P. A) G$ F- `# D VariantInit(&pokeVariant[0]);
' d# T9 ~( o* g- k3 e pokeVariant[0].vt = VT_BSTR;9 Q9 n; m+ A; v( K: t
pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
- x [) m4 v2 k( @( f: u VariantInit(&pokeVariant[1]); 8 h* K& T7 f: q
pokeVariant[1].vt = VT_BSTR;
# [5 a$ B7 ], r/ m( u pokeVariant[1].bstrVal = itemStr;
0 [+ K& Q" `; C$ u
Q7 @$ l- \3 w1 c topicStr = SysAllocString((WCHAR *) L"system");5 c( U" x x# |
VariantInit(&pokeVariant[2]);
; x; R3 n# p% B3 G pokeVariant[2].vt = VT_BSTR;- Z2 ^; Q; b) r. U3 e
pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
7 `- r) a% \" a7 u/ Z6 Y dp.cArgs = 3;
/ P3 M4 t6 j5 S dp.rgdispidNamedArgs = NULL;
0 W; A/ S; i" ~& C" ]5 W+ p% j dp.cNamedArgs = 0;
7 A5 C) {: Q( {/ a
* R7 e1 Z, u# ~5 y% `; V// Call IDispatch::Invoke()0 b' C3 C* L; l/ c) b- @
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hr = m_pDisp->Invoke(
. u% X! a( Z% a$ N) r8 Y+ @ pokeID, L* l; E0 w3 Q% i- J: x0 B
IID_NULL,
4 U& @- ]0 Y+ U( d. I LOCALE_SYSTEM_DEFAULT,7 f; v( ~- J3 \0 K0 |/ X
DISPATCH_METHOD,* F) F+ [+ t0 W- f; }% b+ z" b
&dp,& [$ I4 N9 o5 N. B6 u8 T
NULL,
9 P+ `% @3 f5 F3 F. f &ei,& _3 Q1 r0 Z* \9 E
&uiErr);& P$ E, }5 t9 @$ S. ?0 O
/ E& G1 Y; r) z SysFreeString(topicStr);
5 N) P* w+ ~3 H( J$ \ SysFreeString(itemStr);, L& g" G5 c6 ~! a+ D$ _
SysFreeString(valueStr);
1 M+ t- }& [" a4 A
1 G% D& ?( ~9 O* N+ q( q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???5 M! t6 W7 {( \: R5 J* V. d6 F7 }
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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- ?0 u$ T, X' m# `3 v" }* @9 G3 [( H
2.这是request的程序2 t% `, P0 z7 T0 O
// Request a value from Extend2 X% A" g3 V8 }8 q
//+ d' ~% w4 j' j% x& d0 B& Z- b1 r
// Initialize the variant that will hold the BSTR. Set the variant's
' F6 d" w3 [ F R! V3 a, v; `+ Y// type flag to indicate the fact that this variant holds a BSTR. Place the
* \4 o4 ~$ s/ _6 B; \// BSTR into the variant structure.
/ u4 w3 v. C/ F# f
5 p3 z% W( ]$ o/ p* I requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);. a$ d$ ~& o, B7 k$ ]
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
4 X1 ~* l/ K7 H VariantInit(&requestVariant[0]); ) a2 V8 g- `# r2 ]# x) I% l
requestVariant[0].vt = VT_BSTR;$ [' w# W! B' W; b# E( T
requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
* A% n) }9 @; P5 b- }) s VariantInit(&requestVariant[1]);
8 a) @/ C4 X4 E# }! q requestVariant[1].vt = VT_BSTR;6 x9 n* p! f% F; y" `. E
requestVariant[1].bstrVal = topicStr;- b, F; Y) a5 Q! |
$ S$ e& g1 C: E8 x0 x |! ?// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;0 c6 d! B8 P1 c/ [: C
dp2.cArgs = 2;& J5 [* Z* W; I, {8 d+ v
dp2.rgdispidNamedArgs = NULL;4 _. L/ C1 B" j. i
dp2.cNamedArgs = 0;
r; y' \+ D7 N. I
) e. W* k: A: W" ?4 k% M4 f var.vt = VT_EMPTY;+ Q+ Z$ O- }& r: b. p+ R
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// Call IDispatch::Invoke(), T- [/ U# ~ V" }4 F% m2 |* w" Y
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hr = m_pDisp->Invoke(1 ^' r# P! b \& x% v2 H2 X5 ?) y
requestID,
0 {- N' ^. J1 a IID_NULL,9 j7 S% U/ T: r3 I9 R; e0 g3 j9 O- i
LOCALE_SYSTEM_DEFAULT,
9 [7 X, K {0 P2 K+ I DISPATCH_METHOD,1 t5 V. x- E4 Q3 O2 z; G* v0 V4 t
&dp2,
6 x& w# o9 M. Z2 G; E, W& h& ^ &var,
, n) C* W, {$ ` &ei,: H; J/ k* P% ~- P# _( E. O- Q( S
&uiErr);
# ~9 ]% Y. ?% |& ~2 t, b
( M# g }' A6 v4 O SysFreeString(topicStr);/ x2 W: H" R$ ?) a0 r
SysFreeString(itemStr);% K3 {3 C/ q9 L7 f7 h" W
请问该程序是获得extend里面的哪个值?
- E2 p/ q( S4 i" v. 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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