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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 z( w& z( q% ^9 f: _$ }( z
Name = (WCHAR *) L"Poke";; s$ `* T( A1 t e3 X7 ~, X0 b4 I: l6 l
* s3 {) q5 s) O; l/ m, q3 {
hr = m_pDisp->GetIDsOfNames (
/ z3 W2 f# g9 u/ Q2 L6 h IID_NULL, // reserved
/ @( @6 t; x1 q& H &Name, // Array of names to get IDs for T# @0 z1 h) F; |" C5 n
1, // # of names in the array
1 [5 I$ `' _5 { LOCALE_SYSTEM_DEFAULT, // System locale
% i4 y& w2 L, Q0 { &pokeID); // Array of IDs to fill on output
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if (hr)
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MessageBox ("Get Poke Unsuccessful");
% C8 r+ N" J' g' E$ U return;/ k# s4 ~2 x/ O' K3 _2 U
} L Z% }% K% Y3 q% f5 I
" I% N; @6 l+ q1 V1 A6 q! M+ `/**************************传递数据给extend**************************************/! q5 \, P) {+ ?
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
. b2 u& j: a1 Y5 H" }# t3 u
1 q* D) I1 [$ {5 v9 |: ?! b valueStr = SysAllocString((WCHAR *) L"1232");
' b' L6 P# c" i5 `/ Z VariantInit(&pokeVariant[0]); ' T9 y3 d! ?6 n
pokeVariant[0].vt = VT_BSTR;- J e3 }/ o% X% B. _. F: ~
pokeVariant[0].bstrVal = valueStr;4 }- u/ F9 R3 ]: T" K$ s4 d( m
# [2 k; y! k6 L3 f9 S itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");3 V" d+ s( l' H% u `
VariantInit(&pokeVariant[1]); % U) }' D9 w7 y1 I; B
pokeVariant[1].vt = VT_BSTR;
7 P8 J$ R3 S4 k6 T: x* O pokeVariant[1].bstrVal = itemStr;
) c& ^. F7 ?( }+ h8 A) c0 S
: O& A2 t6 [7 r" Z topicStr = SysAllocString((WCHAR *) L"system");( m6 T+ w" P; n
VariantInit(&pokeVariant[2]);
6 s N0 B4 |5 F) c' h) M pokeVariant[2].vt = VT_BSTR;" `& K' d6 M/ o. D M
pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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$ H$ E S7 L* z dp.rgvarg = pokeVariant;
" @! ?- L# t% G( Y/ j# t7 @ dp.cArgs = 3;
# w" z# v" Q6 x5 h/ [0 g dp.rgdispidNamedArgs = NULL;
3 d* L) t5 x9 `4 p5 z dp.cNamedArgs = 0;6 s. y2 p2 [! {5 p4 G
! @5 c4 g! M' E& B' ^// Call IDispatch::Invoke()
" \# J! W7 ] y- e. ?0 o3 m7 B0 _8 e% B0 u1 H6 W( Z
hr = m_pDisp->Invoke(
- p. }, x4 ]3 |/ D' u pokeID,
& z( e/ z2 k+ D3 f% n5 i$ M IID_NULL,6 b+ Z `0 ~1 e4 i
LOCALE_SYSTEM_DEFAULT, v0 t! T3 `$ Q, U) m: D- ?
DISPATCH_METHOD,2 c5 a! I l0 Q2 q. q) ~
&dp,
5 _: y, C, U9 N* C NULL,3 k4 i/ E1 H$ [1 N
&ei,1 G+ q, M, r9 r6 C
&uiErr);
2 T- A3 J) }% U1 C8 V; L. w
: j4 h; \2 i/ Z/ z SysFreeString(topicStr);
0 I4 p- I. H$ i6 J7 u SysFreeString(itemStr);
3 f7 d( j. M$ ~ r4 M SysFreeString(valueStr);! r) z" @. A& h: j4 ?+ e
2 t# m) I; K* e$ q& U0 t; p
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???9 [1 D3 p' g8 q2 F; Q
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????
/ I. j/ O# D8 a1 k# I0 u, o2 Q, l" Q1 ~/ A) \" t4 }
+ M5 z; _: t) ^0 J
2.这是request的程序0 v$ T1 d$ q2 m. y+ ^
// Request a value from Extend8 V/ H# m7 u0 }' t( n" ~
//! H( A3 k! j+ B6 n
// Initialize the variant that will hold the BSTR. Set the variant's- N- C5 c4 o! ~' ^
// type flag to indicate the fact that this variant holds a BSTR. Place the
& X$ z1 {' O# w2 t// BSTR into the variant structure.
# a7 \) V3 f5 W
+ ^4 b: u4 h; g) j4 B requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);1 n5 [4 @: d0 [( F* _7 q) Y
6 f2 U! H) R9 W0 O
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");0 U6 w0 d6 @6 O' d: S2 r
VariantInit(&requestVariant[0]); 4 Q1 d1 P; s- n6 s
requestVariant[0].vt = VT_BSTR;0 X& S, B4 M3 c( \
requestVariant[0].bstrVal = itemStr;) W4 g3 U3 ~; B- | s9 a
$ |+ V% |! R) m& B+ y topicStr = SysAllocString((WCHAR *) L"system");
) i- r7 d% {" E5 U! b. z, W VariantInit(&requestVariant[1]);
1 @( e- [9 Z7 p' ^1 h: D requestVariant[1].vt = VT_BSTR;4 A6 |# U6 O8 H7 O, W
requestVariant[1].bstrVal = topicStr;
3 |) a3 m& w$ j) x' @5 I
0 K6 T! K* b5 r/ o// Set the DISPPARAMS structure that holds the variant.2 X: X3 { f/ { }
3 Y' H$ J* r; n% x7 v- c/ s dp2.rgvarg = requestVariant;, n3 b, j, [' F( `; Q- ~0 u9 s \
dp2.cArgs = 2;& X, e: `2 g: R# m
dp2.rgdispidNamedArgs = NULL;
1 |7 z/ s* ~( N dp2.cNamedArgs = 0;
- b M" T3 H3 W) {* R0 }; {
2 Y5 V) u$ X% Y1 y var.vt = VT_EMPTY;- g K: _) e0 d& m
* J, f2 e/ j+ H$ t& m// Call IDispatch::Invoke()
2 \0 i% i- `. o9 i+ G# t* T( O {- ?7 N
hr = m_pDisp->Invoke(
2 a# Z# F% P. `/ ]3 b requestID,/ z5 p+ x2 p/ r: g
IID_NULL,4 {2 _9 _! g0 S, W- {6 k0 l0 z
LOCALE_SYSTEM_DEFAULT,
8 F9 q O: i1 J! M DISPATCH_METHOD,
2 z/ B* C# x# `. i/ A% _ &dp2,' g* q b* u7 _) t$ N3 `) d) Y! J
&var,: F6 w" y" B- I
&ei,0 Q! H3 Y. ^4 x3 Z4 N
&uiErr);
/ t, |5 d! Y0 K, ]3 O1 Y
( |( M9 V4 {1 w* x: C SysFreeString(topicStr);
- l" F/ b1 ^) q- }& Y+ b SysFreeString(itemStr);6 X3 \3 i: |" g" L0 |0 r( K" V
请问该程序是获得extend里面的哪个值?
" ~* U3 U# }& e# Y, z7 _) 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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