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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:
5 `5 N/ n. }1 `) C/ r7 RName = (WCHAR *) L"Poke";' v. p$ U, E' \; `2 b
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hr = m_pDisp->GetIDsOfNames (
& Q* P+ P/ g K" K IID_NULL, // reserved# ]3 I1 F' B9 q4 z3 T
&Name, // Array of names to get IDs for
( R5 b) O# D5 V" X( O, u8 N* A 1, // # of names in the array
: W1 N( |& H0 b$ P: ?! B$ S LOCALE_SYSTEM_DEFAULT, // System locale4 ?. f4 [/ ]+ A6 f# k) d% F
&pokeID); // Array of IDs to fill on output
" W- ?4 h+ k# g' h
: [& s0 ^' `* Z if (hr)+ w; u% _! W- j6 v
{
' L, k- l& v/ _ y MessageBox ("Get Poke Unsuccessful");
3 h$ I/ t, L. y* u! c4 ^ return;
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. j+ ~" S+ `( J$ a/**************************传递数据给extend**************************************/5 y- z* \$ N$ ^4 P& N) A+ {2 V' B
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
" E% T3 c/ {+ n) t$ X2 _9 v
; m1 u6 e0 W7 n: W7 r' i valueStr = SysAllocString((WCHAR *) L"1232");
& y8 N0 w- d! R6 B, F+ ] VariantInit(&pokeVariant[0]);
I7 v$ H! J. c% w4 g pokeVariant[0].vt = VT_BSTR;1 O2 w7 Y# Q: G; R3 Z
pokeVariant[0].bstrVal = valueStr;/ n& O; Q- Q; U" Q' D& X4 x- Y) a
* e6 t J6 T+ C' l; k. g itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
+ E3 i7 J' i0 L9 ~0 s$ { VariantInit(&pokeVariant[1]); , G. ?+ X9 }6 d% T- C
pokeVariant[1].vt = VT_BSTR;( K4 Z- C$ L/ C' W# [! y
pokeVariant[1].bstrVal = itemStr;4 Z$ b2 Y3 h. |4 n+ I
" Z1 J; I/ G& t) e e topicStr = SysAllocString((WCHAR *) L"system");
6 d/ x) f; O3 w5 |, F4 N$ U$ M VariantInit(&pokeVariant[2]); 7 \6 _+ M2 `: F5 q/ I
pokeVariant[2].vt = VT_BSTR;5 v% J; m% X4 u/ a
pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.: A3 l2 C) e/ K5 V# V1 ~( o8 R
& c6 C* N8 N) n9 A' h" H+ o dp.rgvarg = pokeVariant;+ n5 c. u; {( E6 b; N; U3 \1 k
dp.cArgs = 3;
5 _- w/ e+ s) I A9 D2 [$ \ dp.rgdispidNamedArgs = NULL;& n4 w/ o! ?+ Y
dp.cNamedArgs = 0;: B; S9 r B1 I% N
' B/ x2 q& R: L8 n; Z) e// Call IDispatch::Invoke()7 h: |' c$ ~. L+ J" Y V. z- P
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hr = m_pDisp->Invoke(8 a/ e7 I+ X n
pokeID,0 D ?5 H, U: b
IID_NULL,. X) {, }+ r* |0 ^) H' W" o
LOCALE_SYSTEM_DEFAULT,
( j& Y8 b% g" j1 Q: Y5 u DISPATCH_METHOD, x; s, C6 K) }; w# u
&dp,
2 J# x% g }7 w5 Y2 l1 @6 `) O NULL,7 Z: o- V h( f1 P# I4 c/ f6 q5 E0 b
&ei,
5 u$ Y7 R7 z! k$ c% e &uiErr);
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SysFreeString(topicStr);
$ ` o+ R- y! W* }& y SysFreeString(itemStr);
* Q& M s6 q( Y7 f4 A: {/ Q SysFreeString(valueStr);/ m. h1 I& v" m1 P3 I ]4 E# L
% o/ G7 c V A$ z7 B
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???+ R4 a" G' ?5 G1 u3 R
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????0 m; H. |$ j1 l
: K9 V+ ]8 I" d0 Y+ \; h
5 x/ ~- F& H: i* \* v2.这是request的程序
: o( T& d f9 v2 W. f// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's# p% y/ w8 o! j
// type flag to indicate the fact that this variant holds a BSTR. Place the- Z- z; x3 w/ h0 u( s9 r* I
// BSTR into the variant structure.% J+ i* J) o% \" h
! ? A) Y1 j& {
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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* U h: f2 d1 s4 B itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
* i- Q) M( l6 ]* H/ b0 r9 ]5 [1 \( ^. M VariantInit(&requestVariant[0]); 2 F3 N; J2 S& @/ P* z
requestVariant[0].vt = VT_BSTR;
- M6 h4 ^4 T7 c4 e" v7 k6 C requestVariant[0].bstrVal = itemStr;$ A2 B( i3 M, G* b$ E8 F
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topicStr = SysAllocString((WCHAR *) L"system");
# }9 w& B3 J5 \0 z; K VariantInit(&requestVariant[1]);
# Q$ o, o3 W* H5 { requestVariant[1].vt = VT_BSTR; x3 \3 H% |" R o* }
requestVariant[1].bstrVal = topicStr;1 S7 F$ r, m! o! @/ C+ G& F
& I# \5 J- a$ ~ p$ X5 G// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;, F! x( _( d- I% U E% p
dp2.cArgs = 2;5 m" g: J. P* d
dp2.rgdispidNamedArgs = NULL;
+ e) K7 ^3 v- t8 h- m2 [$ { dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()9 _; ]9 r0 n/ j, X% K3 y' M% U7 k A
( i$ Q \' K( p hr = m_pDisp->Invoke(
% c9 a, t( l6 T1 V requestID,2 Z2 t' V; g/ F" Y1 X( [+ j3 x
IID_NULL,
+ X. _! x$ d: Q5 h& l) K LOCALE_SYSTEM_DEFAULT,
" I( l! n p7 b4 V DISPATCH_METHOD,! P4 u+ A; l1 Z$ H8 T* j( _
&dp2,2 o- g4 b' g( P
&var,
8 W4 l; V& q$ k8 E &ei,
- U, R9 n' n! X! ~) A9 @ &uiErr);; {6 O4 `1 W1 Y4 ]
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SysFreeString(topicStr);
% {# u- b8 |$ `+ l5 T+ `8 p& ^ SysFreeString(itemStr);6 o @2 h5 j" r' J
请问该程序是获得extend里面的哪个值?8 g. k2 W0 N3 B3 q5 V" O d% p) y; y$ _
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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