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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:; ^& \& F# I' u! Y
Name = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (
% N% D$ U: u N3 b; Z8 v IID_NULL, // reserved& ^9 J1 A7 {5 S! H
&Name, // Array of names to get IDs for
0 S; l. o( J) V: }4 [. d 1, // # of names in the array
8 ?9 W, r- N3 t7 B LOCALE_SYSTEM_DEFAULT, // System locale4 T8 p, C* r( o6 f
&pokeID); // Array of IDs to fill on output, H& @- {: D# g4 n+ q7 z
5 _" R7 w" K0 f: V z% t5 \' @3 ?
if (hr)
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MessageBox ("Get Poke Unsuccessful");/ f- [9 F; \% H3 y' D
return;; `. X' A0 h; J% ^# f
}
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: @8 b: J. h" `2 a* W, N/**************************传递数据给extend**************************************/
) o* |) D7 U2 @& ^ pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);. B! O6 s! {6 J7 X* ]. I
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valueStr = SysAllocString((WCHAR *) L"1232");
" y6 q* z. f# g& C* E+ N. C VariantInit(&pokeVariant[0]); ( y) [1 M1 U0 W# l! u
pokeVariant[0].vt = VT_BSTR;/ L! B: C+ n% a5 X5 I: `5 A4 h
pokeVariant[0].bstrVal = valueStr;% |5 c' b! q% c1 n* D) {
+ H3 j; `4 k- D7 N' Z
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); R& }& O! v: K: j8 W4 n$ k
VariantInit(&pokeVariant[1]); 7 j, Z/ t, U) F' N/ c+ r' w
pokeVariant[1].vt = VT_BSTR;: _) w' `+ A3 k: z
pokeVariant[1].bstrVal = itemStr;0 D+ r' v8 \) h0 g! K) T
9 y4 Z u% }9 s* z topicStr = SysAllocString((WCHAR *) L"system");" c. [' q4 \# Y1 I1 x8 w
VariantInit(&pokeVariant[2]); 3 h, ^" B/ q: _' ^/ t
pokeVariant[2].vt = VT_BSTR;
+ J+ L, z8 {# X% s$ b2 k: q5 B, P pokeVariant[2].bstrVal = topicStr;5 y' s# \! P" _) m% D$ J/ y
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// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;; O% O5 y z+ b0 R; y
dp.cArgs = 3;
; \: I, S- Y/ M o$ b2 ^: N dp.rgdispidNamedArgs = NULL;
3 ~, \$ s% s0 X9 P4 _, H8 ` dp.cNamedArgs = 0;: ?3 b( Z5 ~8 d5 V3 X
; Q% j( A6 H7 @, E- g
// Call IDispatch::Invoke()
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V/ X$ M( K4 ] hr = m_pDisp->Invoke(
. H5 N' ^& e2 R6 z pokeID,; W+ c' i. d2 \3 p- r
IID_NULL,
: u# N; @# B) D2 }$ W6 J LOCALE_SYSTEM_DEFAULT,
& ~% e' W1 B m+ I DISPATCH_METHOD,
. y" g. m0 Y/ ~5 I4 U &dp,
$ k( B) R: T& n# v NULL,7 Z b: z7 }! u) a# y- n$ \# }: j
&ei,) d' _, T z2 @% c- ^* W
&uiErr);
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SysFreeString(topicStr);
9 g! _# c4 ^ r x8 X- U SysFreeString(itemStr);4 o0 d5 {2 U/ j; [: u
SysFreeString(valueStr);
% K* Y5 `4 |3 u! e6 z% D- y2 Z) {/ L. 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???% I! `4 ?3 ?2 `8 J' j6 J+ ~
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????3 \. Y. z) x3 H/ H- r4 q* F
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8 ?0 a0 G. }' V" _- n2.这是request的程序
, R5 N9 k2 ^8 h) E' B {8 i// Request a value from Extend
+ J- V( K5 |9 S3 L//+ S' n" J9 j- ~' g: H% d
// Initialize the variant that will hold the BSTR. Set the variant's
, B: n4 D4 z- Y) a5 ^3 y6 X# F- _" ]// type flag to indicate the fact that this variant holds a BSTR. Place the
. t, {: S0 P n" Q5 P9 ?/ l8 U U// BSTR into the variant structure.
/ R4 H# S8 V% J- s( H; u
7 R$ m! w A: l requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);- G4 V4 O, Y7 I) _
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
$ V6 P j) m" L3 I$ u' G& l' e% j VariantInit(&requestVariant[0]); ' h8 z2 H5 x) D: h! B/ j/ p% k1 U
requestVariant[0].vt = VT_BSTR;4 J. M5 e& {* ?9 I' i# n0 M e @
requestVariant[0].bstrVal = itemStr;3 W; |2 d# B; k8 G) P
/ \: r& p- Q0 |# Y: ~6 m
topicStr = SysAllocString((WCHAR *) L"system");
3 h% u( J" R& N! j, N/ z% N0 Q VariantInit(&requestVariant[1]);
' c3 V8 Y( u9 G( r/ i5 N0 } requestVariant[1].vt = VT_BSTR;
$ Z2 g: }% L- ^/ ? requestVariant[1].bstrVal = topicStr;
) F3 ?2 ^0 J M5 h j" T- w
4 Q. |' V$ b2 |' w+ t// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;/ c* `. L( m( V, \8 l
dp2.cArgs = 2;
: s1 v, t; v; x. e, f# w1 ?/ h dp2.rgdispidNamedArgs = NULL;
* K9 p. I5 v' V) R/ }& ~$ \7 Q$ N dp2.cNamedArgs = 0;1 W) `$ y. V# K$ O' |' X
, f0 _. ?! o: G7 X4 U8 O i& K* Q var.vt = VT_EMPTY;; e# ?( H4 e& ?$ e
( B H" ~! O$ n" u' W7 e* x2 J h// Call IDispatch::Invoke()" |3 Q j' M8 v' y* x; W
0 J: s! S# f, a( T( u& J hr = m_pDisp->Invoke(. x# F4 i* ?% q( I
requestID,$ T7 u. C. ^) h. ~6 s& ?& L" R! H
IID_NULL,
# X P* s4 T' H9 ?0 z LOCALE_SYSTEM_DEFAULT,
9 F, H j v8 B2 ` DISPATCH_METHOD,3 [: R( c; K4 |1 m4 V2 U
&dp2,
) a( @+ @ f: R8 f8 U7 _ &var,9 F8 b- R) l& a! O A! e) l
&ei,3 @4 W) X4 H6 N+ O; \! X4 Q! R* y
&uiErr);
& q+ A7 o( A$ f; ^0 c d/ ^. l5 s; w5 g& o3 j' a8 I+ v
SysFreeString(topicStr);
- N2 N" O* R: T) { SysFreeString(itemStr);
g7 I( ~7 n7 d5 {6 v# _2 S请问该程序是获得extend里面的哪个值?6 x8 @/ K% P) l2 k- s) n6 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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