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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:
3 f9 |" K2 ?+ C3 @* U) ?Name = (WCHAR *) L"Poke";
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3 D+ i7 z# Z2 u9 C9 Z+ q hr = m_pDisp->GetIDsOfNames (
8 |1 k( e9 J/ ?- x# ? IID_NULL, // reserved
# }% Q3 y- A) c( D+ _5 g &Name, // Array of names to get IDs for
- F. N) k3 ?& q) d% z9 I6 T4 E- d7 p 1, // # of names in the array# h6 P7 o: e' W/ P6 J: ^
LOCALE_SYSTEM_DEFAULT, // System locale( s; l3 {$ l6 Z9 L3 V
&pokeID); // Array of IDs to fill on output4 J1 [$ s4 @1 l( D. Z& L6 i
3 t7 z g2 V' n. a2 \0 v if (hr)
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MessageBox ("Get Poke Unsuccessful");) T+ j. q X( m; a/ U/ I7 L+ {$ X
return;
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1 o0 q$ B b5 u3 n3 ^/**************************传递数据给extend**************************************/. A. K% u$ F9 I
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);4 W3 L3 v' x0 J( d
- _& K! u* q4 n valueStr = SysAllocString((WCHAR *) L"1232");
9 @( v( h- W7 R, T% E0 v VariantInit(&pokeVariant[0]);
- L) r) L' s( s0 @2 B/ P pokeVariant[0].vt = VT_BSTR;
% u" q, F. D* ], P# Y% Q pokeVariant[0].bstrVal = valueStr;& @, @1 E6 S8 ]# b% x. Z
. U# k: i# j+ E5 G itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
0 ]4 a% J6 [3 g! Y# k0 E7 D VariantInit(&pokeVariant[1]); 5 U( w. Z; t! T7 N% v& X
pokeVariant[1].vt = VT_BSTR;) I8 ^" Z6 K! K0 E
pokeVariant[1].bstrVal = itemStr;. n5 C% R8 w4 Z+ R
/ x' Y5 k9 T z5 V topicStr = SysAllocString((WCHAR *) L"system");
: Z }0 G5 w1 @ k VariantInit(&pokeVariant[2]);
; b9 k6 Y9 m" K" ]- ^3 k' h pokeVariant[2].vt = VT_BSTR;
% |1 p7 W5 H/ D1 B, g9 K# \ pokeVariant[2].bstrVal = topicStr;$ C8 ^, R! E) o/ e" }
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// Set the DISPPARAMS structure that holds the variant.
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/ {, A! f4 ~5 \% v8 P( D dp.rgvarg = pokeVariant;* }5 @5 O( C) l: z0 T' _. F
dp.cArgs = 3;
9 |/ T7 Z- }6 }2 D6 l8 p$ S! N dp.rgdispidNamedArgs = NULL;% }4 p- \; d9 i3 p5 h: P6 N
dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
. R% W0 K1 b% }; T1 z+ j2 W1 K$ i6 D pokeID,
$ ^8 p0 J Y% S& `; k+ T# x/ C6 _ IID_NULL,8 Z/ u) }3 J5 M' l
LOCALE_SYSTEM_DEFAULT,
$ W- V7 ?: B& o. |) q" H DISPATCH_METHOD,
5 U, U' ~4 ]1 O2 a8 b! }( ?% P &dp,
+ }8 [- ~& X7 u0 j$ m NULL,( C. h3 ^3 v- p
&ei,) N/ X% r+ l5 B% d, S& R' }2 [
&uiErr);2 J t! G" R1 n* G+ g1 j
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SysFreeString(topicStr);6 @, k; q( b! J2 K% G& P
SysFreeString(itemStr);3 `$ Q! G, s( a' c, `
SysFreeString(valueStr);
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* s( u/ k3 j& W- a1 h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 t4 i$ F5 y# z
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????9 v% x5 ]9 M- O
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2.这是request的程序
$ }" k( d2 O- w, j; i6 x* F// Request a value from Extend
% x5 D3 g& Y% B8 B//$ D) a* }! R; R2 |
// Initialize the variant that will hold the BSTR. Set the variant's/ D& \2 \: G3 o4 Q) B
// type flag to indicate the fact that this variant holds a BSTR. Place the# T. t1 y/ w- ?) I2 T2 [; T
// BSTR into the variant structure./ a! K- Y3 @8 p2 S* Z; I/ p0 N
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);/ k' N% Y! l; w6 C- V0 v+ `
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
# D, U F8 M, u* l VariantInit(&requestVariant[0]);
% A- i& K8 g* o1 F requestVariant[0].vt = VT_BSTR;2 T8 Z8 X7 J3 R0 s# `2 R8 j# a
requestVariant[0].bstrVal = itemStr;- J9 K- E0 c |3 n7 ~6 q% T# C
* X5 s, t: k+ C0 Q$ W& x9 b& r topicStr = SysAllocString((WCHAR *) L"system");: \' n% [% G- U1 m0 t
VariantInit(&requestVariant[1]);
/ y& F- n* V* y$ ^3 \4 m requestVariant[1].vt = VT_BSTR;
; N' P) R# l& [! ~, g5 |9 J! W3 h9 s requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;6 C& Z6 R9 P6 N6 B
dp2.cArgs = 2;: B% ^5 `9 H1 O- w* _ j8 l
dp2.rgdispidNamedArgs = NULL;
' T+ t% N* n9 W dp2.cNamedArgs = 0;+ N2 a2 F; S8 ?! K0 {+ y
& r. q r% v0 p9 A9 F' y' [ var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(4 K$ F- h2 Z5 n; g% x
requestID,1 u1 M, Q s7 B: w2 G
IID_NULL,
% k! z$ r: i0 q. B0 K* x( j; h) R LOCALE_SYSTEM_DEFAULT,( O% v1 L E9 b' c2 ^9 T) i( E7 k
DISPATCH_METHOD,3 C+ \& B- q% o( x
&dp2,
. b( }9 s# f: r4 c6 R: m( ? &var,# m+ Q+ ]; S% U
&ei,: Y9 O/ o/ k6 o. y6 Q0 z' }" a
&uiErr);
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+ S& b M) V# g2 y j) e5 z4 \; v SysFreeString(topicStr);9 ] H6 ], j0 X* v
SysFreeString(itemStr);8 u9 q# ?3 Q- u7 }/ j
请问该程序是获得extend里面的哪个值?
& W- O! u' s$ g; D) h8 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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