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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:
- d1 k8 \% |+ {) @/ yName = (WCHAR *) L"Poke";
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7 g. L9 C& o, g2 O hr = m_pDisp->GetIDsOfNames (" p- c/ @4 S! w
IID_NULL, // reserved2 C2 e* D* ^$ x/ U5 l; C
&Name, // Array of names to get IDs for$ r* r0 M4 |0 q3 f) S! S
1, // # of names in the array0 ^* b n/ C1 p# s( M
LOCALE_SYSTEM_DEFAULT, // System locale
% r6 k* j1 x2 `$ [9 d &pokeID); // Array of IDs to fill on output7 q6 {/ Q9 {, L
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if (hr)/ c, j8 G+ A. V4 x2 ?( S* J% ]3 b
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MessageBox ("Get Poke Unsuccessful");
- r5 s. \7 b2 }4 J$ L return;
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. O: A4 k# o$ n5 D# B/**************************传递数据给extend**************************************/1 M( Y2 t+ i* W
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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) T, ~0 p' {) C2 W1 ?. ^: } valueStr = SysAllocString((WCHAR *) L"1232");" H0 K) i3 T* y* l7 K j7 K) C6 Q& F
VariantInit(&pokeVariant[0]);
6 e& k9 U/ G; B! q pokeVariant[0].vt = VT_BSTR;
% g! ~& {" w7 _: ^5 A( u! z) k pokeVariant[0].bstrVal = valueStr;- s: `9 ~5 x3 M7 ^+ c5 _# W
. i$ q; Y" [% C2 x$ g itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");7 j4 R8 B7 r, U+ b8 D- M
VariantInit(&pokeVariant[1]); % Y) Y4 Z6 |% n9 i/ O3 N
pokeVariant[1].vt = VT_BSTR;
+ y0 k5 g* Z0 \4 L/ `* F7 L; x' d pokeVariant[1].bstrVal = itemStr;2 j' `0 W# J! T# `9 C
3 R* c/ V* B. B; z2 J) ~ h' n topicStr = SysAllocString((WCHAR *) L"system");2 p4 K1 n& M3 x4 L- A& R
VariantInit(&pokeVariant[2]); ' G# l, y! n1 o. M0 I0 k- q: S
pokeVariant[2].vt = VT_BSTR;4 N5 {5 y5 w( e' E* l/ b1 x P5 z
pokeVariant[2].bstrVal = topicStr;
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2 D6 H7 S# {% y- m% G) B( |; K7 x& ]1 `4 ^// Set the DISPPARAMS structure that holds the variant.
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T* n% d! D: k( k# p4 `# n dp.rgvarg = pokeVariant;0 W/ l% g- t. N' z/ B1 m9 G' j
dp.cArgs = 3;
" @7 A& r6 o8 C7 U! A( n dp.rgdispidNamedArgs = NULL;! @& j3 {+ p: f! R
dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()/ O S1 X1 }) _4 e# {) b0 ]4 E1 a& u; c. Z
0 o3 @/ J# e6 _; W) { hr = m_pDisp->Invoke(5 X: m* P2 d5 ?/ q! l" ^
pokeID," Q7 l! S9 y: E/ S
IID_NULL,
$ s( N6 K& m" p# I9 N& b+ H F! J, P LOCALE_SYSTEM_DEFAULT,1 a$ [6 w! s2 H# B
DISPATCH_METHOD,/ |. m8 f j! r7 C d5 V3 ?$ |3 O
&dp,
- C w# q ]" | n$ x NULL,! {, Q6 \! G8 p& @! Y$ n
&ei,1 A. d3 [+ ]8 w$ Q1 A7 }
&uiErr);
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0 F P- x; }. ~# L8 y) w' K SysFreeString(topicStr);' ^1 _, c/ p5 }* t# D) L3 c: O! g
SysFreeString(itemStr);; A' D$ @6 F5 o* r: I
SysFreeString(valueStr);1 I$ W4 C3 k7 U
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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???% G6 u2 y/ L6 F! u0 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????
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2.这是request的程序
$ d$ N3 m) f: b5 m; V// Request a value from Extend
( E$ w% o: @ h! \; a; o# F/ u//
% B2 c' S7 m( k1 k* a/ ~// Initialize the variant that will hold the BSTR. Set the variant's# h1 H- Y. E# V/ T( f5 z [
// type flag to indicate the fact that this variant holds a BSTR. Place the
8 @. N' M5 P- P# D4 S& m// BSTR into the variant structure.
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9 s% W& m' ^9 }( R- L1 l' |8 F! ` requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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) [$ C! t% R5 }4 @ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");9 U) C* J1 U/ k! y4 ]+ ~8 Y
VariantInit(&requestVariant[0]); + _0 p) t1 K1 p; v [
requestVariant[0].vt = VT_BSTR;
8 Q& i( t2 w; D( w7 f$ p requestVariant[0].bstrVal = itemStr;
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$ D: i s' E6 H: e topicStr = SysAllocString((WCHAR *) L"system");
7 ^ }( ~. `# E9 v VariantInit(&requestVariant[1]);
1 c( N5 l( V+ ]. a requestVariant[1].vt = VT_BSTR;2 u \, B7 ^1 ?% B' Z
requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant., b& x9 F0 S3 E* E% x6 j
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dp2.rgvarg = requestVariant;0 }4 g0 B2 O P+ g9 V5 }& i u) B
dp2.cArgs = 2;' N( p( E% ~$ Y5 Z
dp2.rgdispidNamedArgs = NULL;
7 i" O$ k, p5 { dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;
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" m/ G8 ?% Y* S% h// Call IDispatch::Invoke()& L. O7 |4 ^+ k9 S5 d( e
, _8 K/ M+ T# R. y0 X. W* H hr = m_pDisp->Invoke(( t' X$ O) t6 Q" q
requestID,6 s8 o$ O( N1 n
IID_NULL,
8 G3 h8 z# {: j3 P- {/ y1 J- K! W: x LOCALE_SYSTEM_DEFAULT,
' z5 \& Q* S6 z( z DISPATCH_METHOD,
% C, l" X" `* \4 j$ M3 @3 y &dp2,
6 B% [4 M. Z# D. H7 u' _ &var," B) T3 S7 _" `
&ei,
6 Z) _3 O5 v6 r% S& a% m/ t; R L; r, _8 a &uiErr);, p# j7 w$ h$ k# d+ m; E7 M7 ^
, V; F; m# k/ I, N9 D0 A SysFreeString(topicStr);
) ^) e2 h# z% L SysFreeString(itemStr);
# `7 y: j, ~8 Y+ |7 q) z9 Q2 W请问该程序是获得extend里面的哪个值?2 [! g- Z7 U, Z# I
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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