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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:
1 b; k) k8 Z9 x2 O ZName = (WCHAR *) L"Poke";9 ?; m2 ^& z2 l8 n/ m/ s
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hr = m_pDisp->GetIDsOfNames (& }. ?8 N* }' h" k$ m: W9 U/ |: M
IID_NULL, // reserved
7 [. ]9 P5 G; C* d &Name, // Array of names to get IDs for) @6 w7 K6 B3 q4 D3 ^+ j
1, // # of names in the array) \1 E- H5 x; Z/ v0 w
LOCALE_SYSTEM_DEFAULT, // System locale7 Y( J) L7 ]/ M: f9 i
&pokeID); // Array of IDs to fill on output4 f. k1 t$ D1 e, w' `
0 V& a2 K- a. @4 d if (hr)
, k% J$ _4 `0 N {
! h3 [ l9 j0 H MessageBox ("Get Poke Unsuccessful");
2 }. F" Z2 O! V* d return;& d4 y, q p6 j$ M8 ]1 N
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/**************************传递数据给extend**************************************/, x! W, I6 F9 r2 M2 \" v# @
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);6 V: S) }2 D+ o1 |
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valueStr = SysAllocString((WCHAR *) L"1232");% l% `$ R* L6 N$ x& y# N! z
VariantInit(&pokeVariant[0]); # T" U3 }' Y7 r
pokeVariant[0].vt = VT_BSTR;: G( e" `! k* ?" ~: b
pokeVariant[0].bstrVal = valueStr;7 N; `- D, a7 B/ n* f& `7 i: ]2 F
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");1 ~, `+ M& F( e9 ?5 Z: _8 K- I$ S% c
VariantInit(&pokeVariant[1]); + w, ^" o% z+ ?% Z5 ^: Z. R' r
pokeVariant[1].vt = VT_BSTR;% k% X$ I& F W4 J' C4 p& G
pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
; `( ^: b5 S" z+ p VariantInit(&pokeVariant[2]);
4 B& c; m6 e3 t. v5 A7 }, M* f' | pokeVariant[2].vt = VT_BSTR;
9 V* }4 a+ i& Y/ [7 E0 I pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;+ o! S5 k1 }- S6 Y# ]- K
dp.cArgs = 3;3 L, h+ k! r1 L y+ t
dp.rgdispidNamedArgs = NULL;
5 _+ U; v$ V! z, W) J# H dp.cNamedArgs = 0;
% {( [. R& K. L. [& ~
/ a7 u* c/ a. E5 G// Call IDispatch::Invoke()
2 { F E' E, k& ?+ Q/ k7 _
3 I4 T/ n* Q4 a, G, j hr = m_pDisp->Invoke(
( J2 a# V7 A4 M1 ?4 L7 h pokeID,
# r. r3 j# T- V' [8 \+ l! T6 S IID_NULL,$ v9 s7 t' G# n" Y" k
LOCALE_SYSTEM_DEFAULT,
9 Z: x! h8 ?4 P5 } DISPATCH_METHOD,
! N, z( a7 u4 s &dp,
2 b. O: }3 j8 i; A: p/ U$ q NULL,
: ~& O5 L. v( N) | &ei,
1 w& V9 R9 i$ b* I$ b# f1 v7 l- t &uiErr); C$ I7 U. p' Q
7 K1 ^- e# }; d8 X4 q5 _( }
SysFreeString(topicStr);2 {- ~0 x& x9 Z. G
SysFreeString(itemStr);0 h/ f, l( S8 K. N
SysFreeString(valueStr);6 l6 F3 v z2 T. _/ F: X
+ ]5 E% f6 K$ s" Z- }2 X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???
8 H$ Q1 H; ?0 d- J, ~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????1 G6 g5 b" R0 {: f: j: @+ @
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5 M! I" W: b X% g2.这是request的程序4 a! X; {, a3 \
// Request a value from Extend9 C7 W/ g r. e
//
4 j8 `- R v& r4 w3 f$ M// Initialize the variant that will hold the BSTR. Set the variant's
1 h# X1 y0 X9 U# A/ t! }$ @// type flag to indicate the fact that this variant holds a BSTR. Place the
- y$ p5 {$ D, C) P! ?' g G// BSTR into the variant structure.
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# J( Q$ D/ s0 g3 N, J5 j requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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Y9 b8 }, o! F itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
# C. D0 S1 ~- _9 t2 z4 p VariantInit(&requestVariant[0]); 6 M' }* E; I }1 j1 i% v7 y" _' X
requestVariant[0].vt = VT_BSTR;' D9 N+ b" ?; W' z/ s! z
requestVariant[0].bstrVal = itemStr;
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# a7 N) e. h, w/ J X4 S$ z- U topicStr = SysAllocString((WCHAR *) L"system");; y! Y6 z/ M" R" D' N- v9 M
VariantInit(&requestVariant[1]); 3 A/ M( P! O' |, m4 x8 v6 V- k
requestVariant[1].vt = VT_BSTR;; W2 ~' I2 ]6 a- x/ J ~
requestVariant[1].bstrVal = topicStr;
+ H! }. c% z9 S/ b3 v6 _
: h9 r! a( \3 V* I3 B) U) Q6 i// Set the DISPPARAMS structure that holds the variant.$ ^" b6 j* i# h e0 m
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dp2.rgvarg = requestVariant;) B! T9 H3 E3 M( C
dp2.cArgs = 2;
. B8 V+ ?+ ~6 z! { @$ h& @4 L dp2.rgdispidNamedArgs = NULL;
$ b, B! j: v- M9 n( T dp2.cNamedArgs = 0;. D) n/ C& i$ y$ o+ K; p
) S1 z0 v0 |" `. G' ~5 ] var.vt = VT_EMPTY;+ C( j! }: u6 G
0 X( v3 Y3 q9 z// Call IDispatch::Invoke(). o$ L7 _4 `" \
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hr = m_pDisp->Invoke(: K1 e5 X( T$ \( W8 v: {, X
requestID,- ~* I/ P3 P+ c; L0 z
IID_NULL,
! L4 ~8 i- t- k( H2 l- m! ] LOCALE_SYSTEM_DEFAULT,
/ {9 y. Q9 F: Q2 b7 x DISPATCH_METHOD,
1 u! F; H. g# B! F5 ^5 t# i. r &dp2,1 T' s' W6 D# Q4 m% [6 F0 G' h4 m( D
&var,
3 v6 o4 E: w# l4 U5 b. d &ei,
- @# Q% v& C" s( _3 N0 v# d$ F &uiErr);" L( ?( k# N) H" b, W! S
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SysFreeString(topicStr);
# |# L; R% e# ]$ p' i SysFreeString(itemStr);" t. d% m# V$ C+ M4 y" z
请问该程序是获得extend里面的哪个值?; K/ w4 s- C* {" y- ?1 C' M) ]0 s* v- v
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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