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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:
- w$ A$ \& `* P/ VName = (WCHAR *) L"Poke";
P2 W# R7 y, z! A3 m
5 _$ m+ f6 p. i8 @4 b hr = m_pDisp->GetIDsOfNames (
! B3 x! T7 M8 s A IID_NULL, // reserved/ s! L9 S& S, X @4 q- E
&Name, // Array of names to get IDs for
! D) k# D- z: g2 @* _ 1, // # of names in the array8 n1 m" ^# \' R; v0 {
LOCALE_SYSTEM_DEFAULT, // System locale
/ R6 k; B* X5 V: _7 t/ r9 L- k, z &pokeID); // Array of IDs to fill on output
; z2 J. H" K1 s; U8 @, s * E. z! W( ~3 p/ ?6 Z* U
if (hr)
# |/ N4 `3 W) E" Y5 t2 t' K4 f7 c9 j' i7 ~ {
$ S4 `2 `" ?2 z& p MessageBox ("Get Poke Unsuccessful");
' \6 R; t& @! d4 O; w2 l9 U. ~ return;' `" s) ^2 r! O$ T j; Z) ~. H- G1 k+ o
}
/ [+ h* N, R: Q& B2 C
. g* r) X/ T8 R: G4 P5 L/**************************传递数据给extend**************************************/, G" `" @5 Q6 j7 m2 p
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);& U$ Z, Q4 _8 [* C. Z( v
1 }" q0 y3 ^; r2 r- B
valueStr = SysAllocString((WCHAR *) L"1232");- R7 Q/ B& y3 [- P% M
VariantInit(&pokeVariant[0]); 0 q& N1 c. i) h* `+ ?4 F o- ~
pokeVariant[0].vt = VT_BSTR;# m% d6 I1 `0 F: N, o( O \
pokeVariant[0].bstrVal = valueStr;8 p" d2 M( a% r1 o8 X
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");+ _, J/ }) {& P0 b6 U
VariantInit(&pokeVariant[1]); 1 j! x0 t9 b0 }# a c
pokeVariant[1].vt = VT_BSTR;; q+ f" a( ~4 @. K; y
pokeVariant[1].bstrVal = itemStr;
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! o" ~! R1 S3 @$ `$ } topicStr = SysAllocString((WCHAR *) L"system");! x! V% `7 P. _, Q
VariantInit(&pokeVariant[2]);
, Z- r4 |/ w' d& E2 f pokeVariant[2].vt = VT_BSTR;; e) [+ { M9 L1 ^1 ]; h9 N
pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.- B7 j" C$ \) e: e7 J2 t% V8 d% t
5 \7 }' ~) v ]5 d dp.rgvarg = pokeVariant;, Q4 L' A& }$ r; b
dp.cArgs = 3;
g1 _- B: e' u4 k: m5 | dp.rgdispidNamedArgs = NULL;" n- s* u9 \5 C+ G. S, y
dp.cNamedArgs = 0;9 i. L5 m. ]6 |
! B: X% Q$ R- h; A1 d
// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
y4 G e1 a7 r8 @ pokeID,, a5 {7 @4 X0 s. I4 r* H3 _
IID_NULL,' }& _. W ~7 w, s- i
LOCALE_SYSTEM_DEFAULT,& {" B c/ }+ B
DISPATCH_METHOD,
1 W+ Z$ Y4 Y0 a. x" f7 f &dp,$ n. F- ~7 L- j# {
NULL,
2 U4 W9 }( ^" M7 E3 Y( {8 h &ei,
* x* s, t1 e% Y& ^+ q+ C/ x6 C &uiErr);
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SysFreeString(topicStr);
+ ~6 V& V9 v; H4 `9 y; T: n SysFreeString(itemStr);* ~, E- v( k5 C; ~: z) x) ?2 U1 e
SysFreeString(valueStr);( ]6 h2 a. |4 u/ @6 p' E1 X, G4 _9 z
2 J; C. O: h; w2 X I! e
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???
! ?4 S- \0 A/ |+ [. J8 M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????2 W( c( @- j8 z* r
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7 s+ ~9 t L4 `( ~$ n1 e( h2.这是request的程序
; p0 f( f6 ~( u0 N// Request a value from Extend
/ N# A1 S: u" _ ?//
1 h8 H5 B m0 K5 F, K; U' S% i$ d// Initialize the variant that will hold the BSTR. Set the variant's+ b( H2 f% O) |+ }; M
// type flag to indicate the fact that this variant holds a BSTR. Place the. c9 g \, _2 w3 {1 `( ?. ^3 y
// BSTR into the variant structure.
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" A0 B7 z1 p' }3 {6 v/ ]: @. E requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);! \1 p' K# x: L. ^2 \. S3 V
& \1 A \. D6 m3 `2 d& [9 y& m" j1 \# N
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");4 {# d/ _# @; r% S* I* [
VariantInit(&requestVariant[0]); . Z# F" ^# j/ {4 ^3 @8 m
requestVariant[0].vt = VT_BSTR;
3 X U- Z# g4 q5 R/ e requestVariant[0].bstrVal = itemStr;. x2 u5 g; n9 B0 X; ~* h" p
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topicStr = SysAllocString((WCHAR *) L"system");
" z' i! E) d- ~# V) R VariantInit(&requestVariant[1]);
7 {% O+ G3 n' H: B3 C: b8 L6 _ requestVariant[1].vt = VT_BSTR;. J, _$ u1 `% O T
requestVariant[1].bstrVal = topicStr;8 ]7 D* n x9 P0 B. F- n: [
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// Set the DISPPARAMS structure that holds the variant.5 Y% x7 w5 c1 l/ W+ Z) d
8 O k/ k. N1 ~
dp2.rgvarg = requestVariant;& M+ I3 a* M4 _( ]% @9 f3 o
dp2.cArgs = 2;6 p( U2 x+ v5 c' v6 ]9 |
dp2.rgdispidNamedArgs = NULL;
5 U- U1 w: w; k dp2.cNamedArgs = 0;3 q1 V1 K7 @8 ^
6 {$ U& @7 H% ^- \% N
var.vt = VT_EMPTY;/ @% v: U: d, _ g* |
- q$ T" j6 t7 J6 B$ \
// Call IDispatch::Invoke()9 H$ I5 ^/ l3 _3 A& Y
3 m' U; G8 S J5 ^ V5 d* G hr = m_pDisp->Invoke(
0 \6 H+ ~2 @0 V, S9 R4 j N requestID,, T) U+ X! [4 ^$ L! y: V1 c
IID_NULL,4 k8 s6 D6 ]: g" l2 _
LOCALE_SYSTEM_DEFAULT,. V& H3 _ G, v$ C0 N) \ m
DISPATCH_METHOD," `! i) @4 _, D7 r% B- Y# ]
&dp2,1 h- `, I7 U5 `0 Y) R( s
&var,
5 y1 ^3 C9 \1 t } &ei,
( B0 I% [6 p2 N3 W &uiErr);) c6 k' c$ w6 M+ k: W
6 ]6 j( ^1 @6 ~5 I- ?, m- t SysFreeString(topicStr);; {5 T- y' O! G( ~& T6 E
SysFreeString(itemStr);
5 k+ u1 ^! J& O/ p请问该程序是获得extend里面的哪个值?
# Z' P6 g: o$ g* M7 f H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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