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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:! T6 ^# j6 Y0 m# q8 F
Name = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (
# L, N9 Z' L7 [' d7 D* ?2 L0 s- u IID_NULL, // reserved
8 M8 a3 |7 S6 b7 t4 A6 U4 }+ u! r! L &Name, // Array of names to get IDs for
( L6 S. b2 {- [2 \% d8 R$ ]: A9 X+ m 1, // # of names in the array
& v' b# ~6 w i6 E/ `, p L8 K LOCALE_SYSTEM_DEFAULT, // System locale
_- Y2 s' V! O; W &pokeID); // Array of IDs to fill on output
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if (hr)* p% f% C# T5 c* t6 ?4 ~
{
* f! y, f4 E- w: ~ MessageBox ("Get Poke Unsuccessful");
4 D4 A t# y1 c0 H return;4 L/ D1 K" f$ y- W4 Q
}' u. @# K% |' }
9 R+ j1 [ e% k( c; {5 g2 u$ ^. \/**************************传递数据给extend**************************************/
) `) s, P. i, N5 D' n" i pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");, p) ]! Y4 e1 W/ n8 ~9 Z; j
VariantInit(&pokeVariant[0]);
# D* V$ v) W( j3 u pokeVariant[0].vt = VT_BSTR;
$ n8 I! r7 R/ q- @ A) k pokeVariant[0].bstrVal = valueStr;
& q f p2 c! q, c
! S7 p' N X0 C& ^, s itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");- G8 ]% _6 x1 F4 t# v( X0 x
VariantInit(&pokeVariant[1]); 7 [5 _% j! L) C, t2 N/ n4 x4 ^
pokeVariant[1].vt = VT_BSTR;1 H+ X! j# H) K& U0 Q! \& e5 y
pokeVariant[1].bstrVal = itemStr;; C9 L: g) L7 n G! Z: R
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topicStr = SysAllocString((WCHAR *) L"system");& O7 T% ^' U8 ]1 v
VariantInit(&pokeVariant[2]); $ a# |4 G/ Y: Q4 `5 m+ N) ^& |" ^
pokeVariant[2].vt = VT_BSTR;3 p+ i* V0 ]; T- r5 G
pokeVariant[2].bstrVal = topicStr;
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0 c: q( r* F. S// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
+ h1 ?- i6 w y# t- S- p8 @ dp.cArgs = 3;
1 T* G, k8 q7 }, e dp.rgdispidNamedArgs = NULL;
* q3 I& p2 a7 S' ^2 ^ dp.cNamedArgs = 0;4 b7 H, B- z9 n7 F* U
/ p/ n7 }) g+ q( {6 ?// Call IDispatch::Invoke()
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. ]( n# Y8 b' J* z @$ S hr = m_pDisp->Invoke(8 g# M6 ?3 M$ i4 A- B1 |
pokeID,
2 M3 }4 r& d! V% `9 `# y: Q3 V+ O IID_NULL,' z% d8 t( M6 e- E8 p4 C- Q2 s9 s
LOCALE_SYSTEM_DEFAULT,
9 K$ m% F1 `2 Q1 E; B' P DISPATCH_METHOD,
5 ~3 E( f7 k. L9 k8 h9 ^# w &dp,/ r/ s- C- l: f4 Q1 A
NULL,; l+ n7 m5 Y8 O$ Y
&ei,: G* a2 z4 a- ^) ?3 B
&uiErr);
6 W7 ~( e( T2 q* E
% i/ h( D M, L4 S0 i2 W SysFreeString(topicStr);
4 z3 v/ }7 d7 {. \3 @ SysFreeString(itemStr);& {9 E, W1 a0 {- N2 \1 Y
SysFreeString(valueStr);( t7 v% U! Q0 b; Q ]8 ^
3 Q# T6 T! N. Y$ d8 R
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???" d* [4 h( E1 Q) x2 K3 A$ T* 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????
: s' r1 e8 N3 f- \5 ?4 s; c5 y* O, y' O4 [
7 c1 f1 K( @+ l6 Q/ i# W' M2.这是request的程序
, k- R" H1 A$ G# L. \// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's( r K2 A: h8 q+ d* h
// type flag to indicate the fact that this variant holds a BSTR. Place the7 q5 T" I; |, p, u) @$ ?
// BSTR into the variant structure. D! A- y" W# p$ \# H. F" \# H# X
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
5 d3 \* b- A. `7 g$ u2 J VariantInit(&requestVariant[0]); ) ?' Q! f* [3 U' [: W8 i% l) s
requestVariant[0].vt = VT_BSTR;
" p, {; E) `% J requestVariant[0].bstrVal = itemStr;
+ i U9 [& w/ Z& a1 q0 v, s7 m9 \8 \4 C
topicStr = SysAllocString((WCHAR *) L"system");9 f4 W6 Q3 i( N+ J, v" J7 l+ A" _2 k$ E
VariantInit(&requestVariant[1]);
( |( b1 c1 y% a$ H% ]/ g1 ?$ v requestVariant[1].vt = VT_BSTR;) ^& a9 W* c% F6 \, J
requestVariant[1].bstrVal = topicStr;
% ^' ~+ F# ~0 f; t8 |9 \2 \4 j" i e* {
// Set the DISPPARAMS structure that holds the variant.# M5 x! K. ^6 ~# F+ T
9 T' _2 m; z6 r4 }4 { dp2.rgvarg = requestVariant;
# E }% |4 o$ H; r6 C dp2.cArgs = 2;
7 u) b. D0 A1 {" M4 W1 X9 e dp2.rgdispidNamedArgs = NULL;
* r$ W4 i( [: q' Y5 S( c2 E: ^+ @ dp2.cNamedArgs = 0;" j3 o* f9 }! L! z& C- I4 Y
! X+ A5 z+ w% r( f$ R. V1 } var.vt = VT_EMPTY; [3 z2 W4 m" e# C
- U) Z) @2 i" S( W) Q% E( K
// Call IDispatch::Invoke()$ y& p/ ]* X9 e8 D9 B, |, T% O
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hr = m_pDisp->Invoke(* |% g/ p1 O$ g* r& m
requestID,
; e7 v3 S" D/ T# y5 ?! l) v IID_NULL,
) w; O' i w# v2 O LOCALE_SYSTEM_DEFAULT,: ~: m# Q$ X, ~& t. I# p
DISPATCH_METHOD,6 _1 `8 s n/ g; h; m! A t) i1 p
&dp2,* ]( j8 V( E# R) ?( G; P
&var,
" w! u. `& k( h7 X5 i &ei,+ b+ V" t; J4 T$ q# y
&uiErr);- Z' V( J. L3 B3 {
* x+ `$ W5 ]1 u1 ^/ ^$ I: X: Y/ d SysFreeString(topicStr);8 t7 \8 d$ I- e2 ~+ h H$ G
SysFreeString(itemStr);- j4 E" K# I5 ~% t
请问该程序是获得extend里面的哪个值?
, ^" w( o% F2 \1 P) S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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