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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:) b2 o# A" T& `
Name = (WCHAR *) L"Poke";- |% l( k+ \( L! ?8 m
+ K9 F" I* ]& j+ P hr = m_pDisp->GetIDsOfNames (
% Y% M" ?! [' U( R7 A* D1 r4 _& _ IID_NULL, // reserved
$ f+ a6 }2 j) P4 h &Name, // Array of names to get IDs for" [+ R- G$ V6 W* B, d) A6 g. b# S2 z
1, // # of names in the array
7 I( c* s; z8 a3 y) q LOCALE_SYSTEM_DEFAULT, // System locale) N" c3 v' F2 w3 }- ]
&pokeID); // Array of IDs to fill on output
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if (hr)
' N) E9 ?6 c. M& } {7 @/ e0 U! P+ c' k4 @4 q
MessageBox ("Get Poke Unsuccessful");5 j' l* s U" ~# w: C4 q
return;
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' }/ t# R8 \% N* U/**************************传递数据给extend**************************************/: q3 a( J+ U- H- x
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3); L5 s8 z! `& S2 D2 Z0 i' j5 ?
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valueStr = SysAllocString((WCHAR *) L"1232");
6 K5 f; a- L; K" E VariantInit(&pokeVariant[0]); $ T5 ]/ {7 F I$ h8 ?' }
pokeVariant[0].vt = VT_BSTR;5 o7 A; v* R: R8 I
pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); E! M5 `: T$ u4 T9 D( }: E* T7 e
VariantInit(&pokeVariant[1]);
- j1 U7 F$ E& D! N8 Y pokeVariant[1].vt = VT_BSTR;5 F8 `8 W" m( M, P+ Q. a
pokeVariant[1].bstrVal = itemStr;0 e9 Y4 O E* [* t" G
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topicStr = SysAllocString((WCHAR *) L"system");
' k" `/ x) ~5 q. }2 S9 e2 J* { m1 { VariantInit(&pokeVariant[2]); $ X3 x3 Z' [; k M; @8 i w; V& `
pokeVariant[2].vt = VT_BSTR;: {8 }# j" K* x4 [ }0 c- L& Z8 U
pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant. r/ j/ F4 a5 {2 R$ x0 x+ i* y
6 y/ Z0 `/ j3 T4 y/ t8 o dp.rgvarg = pokeVariant;
~! y t! z$ h dp.cArgs = 3;
, s5 ^. g: B: D8 ], S2 q& x! ?3 O dp.rgdispidNamedArgs = NULL;1 T+ Q- q2 D V$ C' N
dp.cNamedArgs = 0;' A6 u( M) {2 P# O7 D O
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// Call IDispatch::Invoke()
+ \& y ]1 M) D
+ O1 Z3 G/ U# T; }& M. K5 B hr = m_pDisp->Invoke(
" F2 h+ r, f+ N pokeID,
4 Q2 T. {( |3 }+ j/ H5 U% ~ IID_NULL,. ]& K" u {+ N" u2 L4 ~! ^& e1 g
LOCALE_SYSTEM_DEFAULT,4 y" l+ s1 ]" A: \6 T4 d
DISPATCH_METHOD,
% B. h' z. z% ^$ {7 }5 n &dp,
1 b# X1 G8 M2 [# t6 g' T- ]7 Q; I& n6 \ NULL,
( ?( X! W @# T& e5 _; y+ c% R. F: X &ei,: u( v6 e, E* O
&uiErr);( b) a9 }5 [( s3 Y) T' g# V. @
. n. t+ }* Y/ ], S1 @9 _
SysFreeString(topicStr);% R' M$ f" z' p: \
SysFreeString(itemStr);; Z1 F. g& Z1 i3 L2 U1 W
SysFreeString(valueStr);# R ?( p6 ]; U) n1 R
+ c8 w9 Z/ o5 V2 r8 U' o
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???
3 I7 a: i; P9 o- S3 \( x' U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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) I/ j* d7 f) Q7 W2.这是request的程序
; ]! C. J/ U1 D$ Y3 P* H// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's4 Z `/ t- n7 W4 y* o' J4 d
// type flag to indicate the fact that this variant holds a BSTR. Place the
; [6 K2 x* F9 {/ X// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
( F1 x0 q* ]: J. h" \( z
0 [& p% L( e# @- T# M1 x: m itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");6 ]' k$ b+ k; Z) K/ {! E
VariantInit(&requestVariant[0]); . K: e! m2 j. V" `
requestVariant[0].vt = VT_BSTR;
; ^2 M% _& R# ]. `2 R4 V* \ requestVariant[0].bstrVal = itemStr;" W5 T! y- S+ M% k" i
2 D- ?9 }3 |8 W( \- |8 R% t2 b topicStr = SysAllocString((WCHAR *) L"system");/ K9 u9 @6 _. s7 M5 \; Z( u
VariantInit(&requestVariant[1]); ( S# ]6 z2 L) R
requestVariant[1].vt = VT_BSTR;
P/ J8 ]+ e! Q" r0 [- L requestVariant[1].bstrVal = topicStr;. L$ M) k& ~1 N* ~
2 u0 \7 u7 D) B: I5 b// Set the DISPPARAMS structure that holds the variant.
L+ E9 a8 @5 ]
4 Y) s( J; s; S4 I" V7 ? dp2.rgvarg = requestVariant;
6 `- {1 a7 e2 W4 K! G+ K( V dp2.cArgs = 2;! y' |5 ~9 N- O
dp2.rgdispidNamedArgs = NULL;
# `: h$ e' ~1 @ R+ M( V dp2.cNamedArgs = 0;
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% s, T8 z, b8 `' C var.vt = VT_EMPTY;1 l' |0 v- b( a. ~. Z
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// Call IDispatch::Invoke()4 g7 C/ f3 f+ V% {4 b
% p- X2 A* q6 E6 @4 Z. ?4 Y hr = m_pDisp->Invoke(
2 K, `# {' z O+ R y requestID,
3 U4 f6 q8 ~0 v$ E( k/ F7 R IID_NULL,
# t4 B7 Y1 O( z, { LOCALE_SYSTEM_DEFAULT,
8 e! m: E1 D& v: Z, b: \1 L DISPATCH_METHOD,
; {/ v( e4 o6 U# r8 I1 M &dp2,
, c, F/ X% k; H- J# v &var,# v4 s1 p) [" H" W" [ o
&ei,
" a& o2 u# H" {. q0 [ &uiErr);
. d: k* v$ g! k# H4 s5 ^# z) s( S! X0 u' `4 e! A" Y1 C* B
SysFreeString(topicStr);) n4 O# O3 Q6 s; K( n
SysFreeString(itemStr);4 F) m5 y/ ?1 @9 l; N
请问该程序是获得extend里面的哪个值?
% a# B& X$ g r m: 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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