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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 N9 R' n8 P8 q W/ g2 T* {Name = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (
7 c$ |" u0 T/ g1 L, B; f+ E" `: v( p IID_NULL, // reserved
! S; }' Q, c8 K; a+ Z &Name, // Array of names to get IDs for- F+ L Z) b) }6 K$ p
1, // # of names in the array( {" ~3 L6 S; D$ v" }5 D
LOCALE_SYSTEM_DEFAULT, // System locale. |( @0 h! Z% Y4 X2 v
&pokeID); // Array of IDs to fill on output$ i- O; i% E/ p" S, B) f" l6 B
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if (hr)
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MessageBox ("Get Poke Unsuccessful");+ R4 ^, J- L @! i) ~( m8 p: s% ]
return;
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/**************************传递数据给extend**************************************/6 Q! g( r M1 P; H: I% t
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);+ @% @9 u$ C8 @0 k' x5 T, ~% t9 b. g
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valueStr = SysAllocString((WCHAR *) L"1232");
/ ]3 e" o, Q& ~, p2 a8 F VariantInit(&pokeVariant[0]);
8 m7 G3 e- n# m; \$ r7 K pokeVariant[0].vt = VT_BSTR;0 u: H8 _! c# m4 v* ~2 Z
pokeVariant[0].bstrVal = valueStr;
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: C. W$ x5 i$ l: y- B) b6 S itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");2 ~9 j w9 U, I) Z" k
VariantInit(&pokeVariant[1]);
- b6 N6 g- [/ U1 b! s* r pokeVariant[1].vt = VT_BSTR;: J' l0 R$ x3 D; Z) k
pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");& _5 A! t& K& B7 q
VariantInit(&pokeVariant[2]);
5 F7 j* w1 f* P8 J( d$ o pokeVariant[2].vt = VT_BSTR;
: @& B) G. J, L* o/ {, p pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.6 ]7 h3 j1 f% @( a) X0 V2 J
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dp.rgvarg = pokeVariant;8 h0 L0 r6 |+ {
dp.cArgs = 3;
6 n. R, o2 H7 w7 i dp.rgdispidNamedArgs = NULL;: Y* I+ `# L( s) h/ }( K3 `. k3 t
dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()
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$ k) \* g9 Q a+ U% H) w$ p! u hr = m_pDisp->Invoke(
4 n5 V. ]; q. [7 m/ A+ {9 k2 M pokeID,0 m) o1 I& N) a& _8 M8 r v9 K
IID_NULL,% O @/ ?- K7 c* A
LOCALE_SYSTEM_DEFAULT,9 Y/ h% f, i5 z7 X4 K* B' R
DISPATCH_METHOD,
; \5 S) x; m, }& m9 w &dp,
) k0 S( B9 U/ c1 w1 Y+ b3 z NULL,
/ }3 q% ?% P: }8 [/ H &ei,
0 h' e1 c* d3 F &uiErr);
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SysFreeString(topicStr);2 \" W& `( O8 \- w# @8 _
SysFreeString(itemStr);; }# `$ q* G& h
SysFreeString(valueStr);
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0 i2 a1 n+ @8 r) K" i9 C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???' q/ i* ^7 v: ?( {7 ^( @* L$ f
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????& r4 k" _& K7 l9 E W1 j, E
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2.这是request的程序
% w; u" u4 } ?# e9 H+ Y8 A// Request a value from Extend# u; x/ Y$ e7 M9 E9 P
//, _: w9 M& a2 f
// Initialize the variant that will hold the BSTR. Set the variant's
& S8 d7 X& g0 J// type flag to indicate the fact that this variant holds a BSTR. Place the
7 f# J! h" D( B8 n& t& h// BSTR into the variant structure.0 d$ f8 E" U$ @6 n4 A" ^
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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) j' l/ X% h8 |8 C itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");+ U2 q+ B: |# \0 E0 A+ C/ m6 C
VariantInit(&requestVariant[0]);
& o7 ?& w) Q+ p8 g1 B requestVariant[0].vt = VT_BSTR;
6 E* N+ ^4 l* Q3 Z* L# W% Y. t requestVariant[0].bstrVal = itemStr;8 O) U( H1 Z3 I+ e; R8 c
, K+ t6 y7 C# B, e; x' T/ f0 G) t! N topicStr = SysAllocString((WCHAR *) L"system");" B5 J( r% i$ Z( O
VariantInit(&requestVariant[1]); 0 \) c9 J& w6 z
requestVariant[1].vt = VT_BSTR;. r' [) C0 L3 j* M; }5 P2 G
requestVariant[1].bstrVal = topicStr;) F9 }$ }/ I& h# A3 I
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// Set the DISPPARAMS structure that holds the variant.# H$ p8 Q% g' O3 d" p: `
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dp2.rgvarg = requestVariant;+ u3 B. ~( w. F4 a8 @4 n
dp2.cArgs = 2;; Q! d! T7 G( ]% U$ r% j
dp2.rgdispidNamedArgs = NULL;
4 i5 I" g @1 V: T! A dp2.cNamedArgs = 0;/ N+ o5 i5 Y$ P. [1 i
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var.vt = VT_EMPTY;& M! P7 U6 h1 D9 l" p
0 L2 @4 d$ V; I4 L$ c6 F// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(' G$ r0 b$ f, @0 c0 C2 K% r
requestID,2 V0 ^& K& c! p# p0 i, ?2 j7 h
IID_NULL,- k; a8 u! d; o2 R( K' D! B
LOCALE_SYSTEM_DEFAULT,
' `3 f9 [/ y# A& K E DISPATCH_METHOD,& Z6 C% G" D5 \; {& g8 ?# c3 a( c
&dp2,# S4 p6 Y. P& H2 ~* o7 u* Y
&var,* }; w% j* x# {+ Z Z. ~
&ei,
6 C6 m4 c+ m- o- c &uiErr);
p' B( ?0 M. @; p! N/ ]: p
# H5 v _ e$ n6 Y" G1 S4 \' O SysFreeString(topicStr);. G: Y* ]& G5 i) }
SysFreeString(itemStr);
3 P% T# y- n: W请问该程序是获得extend里面的哪个值?& Y. ~: h4 V6 v8 d& r
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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