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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:/ ~- M1 A5 a: q5 E# D8 |8 n, o
Name = (WCHAR *) L"Poke";& i0 B9 Q! x' v2 e$ q$ w
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hr = m_pDisp->GetIDsOfNames (
, _) h: y/ Q1 L' D: o IID_NULL, // reserved6 X; `4 _ t' E: R( Q/ m
&Name, // Array of names to get IDs for# l" _ f" ~) o: b- n
1, // # of names in the array' f, i8 v+ \4 j- b- A# m. B% [
LOCALE_SYSTEM_DEFAULT, // System locale; X& e9 C# A/ b! `. h
&pokeID); // Array of IDs to fill on output
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0 u6 B; r/ x" {3 O F. W if (hr)* b! `3 K. I6 n H: ?3 B+ w5 ~
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MessageBox ("Get Poke Unsuccessful");; Y' o. ], k1 O/ ?
return;2 M- `- v" r0 ~7 R0 Z
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/**************************传递数据给extend**************************************/, f* @/ F6 [* e* Q+ s& s, i
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);5 N3 _" v+ ]7 \! ^
9 r3 j2 k2 e, L valueStr = SysAllocString((WCHAR *) L"1232");/ F) \& }2 O. A* L
VariantInit(&pokeVariant[0]);
+ T2 e1 C2 ~+ A5 v# V# n pokeVariant[0].vt = VT_BSTR;* Y1 z% X& ?! e9 `1 ?
pokeVariant[0].bstrVal = valueStr;
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# f* I" h- Z" K$ \ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
0 x' z) d$ J) E5 v- d# X9 l2 ~4 G0 E VariantInit(&pokeVariant[1]);
( b" @1 |& C: {8 L# _: @ pokeVariant[1].vt = VT_BSTR;2 V3 E) N8 o+ P$ J g; l
pokeVariant[1].bstrVal = itemStr;
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3 b* j( _& M4 W! S topicStr = SysAllocString((WCHAR *) L"system");7 k* o9 \6 r# l: o
VariantInit(&pokeVariant[2]); - r) @! u$ l& r
pokeVariant[2].vt = VT_BSTR;: j J- B O5 _0 {0 f
pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.$ ]+ n6 i1 |3 K8 O: M
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dp.rgvarg = pokeVariant;2 `; w0 `# Z$ m2 t
dp.cArgs = 3;4 r5 Y$ V) x/ A3 {: o8 ?# _' D
dp.rgdispidNamedArgs = NULL;
9 Q- T0 [- R3 Z+ r, H dp.cNamedArgs = 0;
+ ?/ t8 Y+ }3 U# f+ Q5 q1 }4 }2 g p. [- r; G, W8 J3 q
// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
2 |6 B) ]+ j6 }# s$ \4 q5 C( `( B pokeID,
4 X* ~& o1 m3 [7 r8 r IID_NULL,& @% M) d. T5 {" J f& d
LOCALE_SYSTEM_DEFAULT,6 Y& A }( L: w5 {3 }* ^( V' O7 v
DISPATCH_METHOD,
% T+ P/ s) [5 P+ H7 G &dp,& x) H0 k. I; R' [
NULL,: N) Q8 ^, B" T7 \1 r1 `
&ei,( v! u9 Y# h9 Q
&uiErr);
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SysFreeString(topicStr);( b3 a) M& h# o, Z! G
SysFreeString(itemStr);
* K) O' ^. _9 c) p5 y* Z SysFreeString(valueStr);
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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???
& |5 |) Z0 g) d8 I! e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????% t1 T+ v) d" A# e) M' |( h8 {
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2.这是request的程序+ \1 J7 P% [3 W4 q( G% y
// Request a value from Extend
3 Y x; z1 f8 _" R//
3 s0 e8 |+ f2 q0 c// Initialize the variant that will hold the BSTR. Set the variant's+ X- U L) c% s) _
// type flag to indicate the fact that this variant holds a BSTR. Place the( t4 ?5 s3 I7 G, N5 K
// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);# y: a$ @7 D2 P2 e1 P
5 N. E! ~6 l4 N& A* Q itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
7 \, x2 ]! F* x VariantInit(&requestVariant[0]); . v0 J+ Z' g: x% i Z7 }
requestVariant[0].vt = VT_BSTR;, B% C; {9 H9 {/ `6 V
requestVariant[0].bstrVal = itemStr;7 o) P9 K, g, ?' b# r5 n, J: v
9 ^) {3 x# S) i" b& ?2 ^+ q) r topicStr = SysAllocString((WCHAR *) L"system");
# C8 q( o& o% x7 j8 S: ~8 B1 _ g VariantInit(&requestVariant[1]); - X( o5 g. r! V1 @$ t" c+ |- o
requestVariant[1].vt = VT_BSTR;
; R8 |/ L. t w% f+ E3 \ requestVariant[1].bstrVal = topicStr;
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+ `5 w+ v7 U% P, O* V, m2 b, _. u// Set the DISPPARAMS structure that holds the variant.
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, ]/ ?7 R9 }) m& D dp2.rgvarg = requestVariant;2 c6 r' g( F9 B/ A3 s- p" i
dp2.cArgs = 2;; o" c! C$ k; s+ ^
dp2.rgdispidNamedArgs = NULL;- F. q0 L% h2 G" a; P! i5 Q5 v1 R; V
dp2.cNamedArgs = 0;% v0 A* a1 ]1 V) ~) A9 V5 w2 j5 o
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var.vt = VT_EMPTY;
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1 x1 L/ Y6 o( W# t* c j: F% R// Call IDispatch::Invoke()
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" R+ @+ i) {4 k7 X+ k. U% D7 ^ hr = m_pDisp->Invoke(
& O4 ?% ~( k* p0 ?0 v requestID,* v- H6 r' j( [7 Z
IID_NULL,$ j/ t, |: b' t( m3 N6 M
LOCALE_SYSTEM_DEFAULT,
, c& p: [* r0 ]9 J* L2 Z- v$ ~6 J DISPATCH_METHOD,' k F! j& g4 X: \8 L8 W/ y
&dp2,
2 V2 l( w2 c/ C, x1 T4 u2 j &var,% J3 P( i; ?" u& @5 h* l
&ei,
% K2 x) E4 S: D2 K &uiErr);6 P/ J; } K/ s9 Q1 ~) \
. q( B! p" A& g4 f9 M SysFreeString(topicStr);+ F# T& {6 u/ {/ T ]7 u' d
SysFreeString(itemStr);, u5 Y- |. \8 M8 p0 D# E
请问该程序是获得extend里面的哪个值?
& o( V: }2 e/ K1 B4 x* S; S) h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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