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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:) i) a# q9 i! O. p+ z
Name = (WCHAR *) L"Poke";" n6 A/ X8 |2 e0 R) }
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hr = m_pDisp->GetIDsOfNames (, ~2 ~; i' y% i- o. T% j3 S
IID_NULL, // reserved
8 _7 _5 n+ r" o- u8 n &Name, // Array of names to get IDs for2 ^: O; ]& M8 I0 M0 J5 o: z4 B& h
1, // # of names in the array+ ~" ?2 O2 E! i1 f& R, H/ l1 o
LOCALE_SYSTEM_DEFAULT, // System locale" S# R6 h) ^# T: z
&pokeID); // Array of IDs to fill on output: A6 i/ _) [1 Z) ~
( H/ P0 K8 N$ i) i6 P( I! i8 y if (hr): s+ Z% X7 a: Z$ a& \
{
0 B/ x9 C% x M MessageBox ("Get Poke Unsuccessful");
* g# `0 P! J; L9 D6 z4 c3 {6 l2 V& v$ K return;
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/**************************传递数据给extend**************************************/! l% i, \ D8 L
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
! V3 e% B$ O8 Y1 Y* `' R) | 1 _3 q4 u5 C! d# I9 j
valueStr = SysAllocString((WCHAR *) L"1232");
* V/ s/ p; y$ t- Y4 H i VariantInit(&pokeVariant[0]);
3 N8 `( n# i1 f! k pokeVariant[0].vt = VT_BSTR;
% U U8 o0 H! J6 X5 I* q; R pokeVariant[0].bstrVal = valueStr;
# r4 u2 S1 ?' o" W, ^( I% J6 e1 T
# O6 t! t+ x& q+ p3 | itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");: d9 \* ~" C+ F
VariantInit(&pokeVariant[1]); 0 @) \) j. o3 {5 f! B$ F; Z
pokeVariant[1].vt = VT_BSTR;' r: J4 ~) o- o: ?0 }
pokeVariant[1].bstrVal = itemStr;2 m& Z4 h0 f9 w+ v, j0 O
$ ^! Y( H7 B* Z( b6 I- c
topicStr = SysAllocString((WCHAR *) L"system");
$ r l: p0 r- A$ G VariantInit(&pokeVariant[2]); * M) y# d$ w6 l$ s
pokeVariant[2].vt = VT_BSTR;
" V! a- i& R+ z3 ^+ |3 w9 q pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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! s6 P! @2 C( T dp.rgvarg = pokeVariant;! D6 b5 m$ B1 h X
dp.cArgs = 3;0 Z: L0 o- r) o7 t
dp.rgdispidNamedArgs = NULL;5 G5 O9 M$ I6 ^% ~, I- N
dp.cNamedArgs = 0;5 U( A4 c u1 C/ T" J
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// Call IDispatch::Invoke()
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+ i1 }; w3 Y5 R8 R$ D# x hr = m_pDisp->Invoke(
' {1 e4 J7 v4 b1 d- ? pokeID,
. _: ?) j4 f" e) V: f IID_NULL,, [1 P# S( Z9 G
LOCALE_SYSTEM_DEFAULT,
. ^# Z/ |0 d! D& ] I' O DISPATCH_METHOD,
+ e: Y% q; U) H { &dp,
. _" k0 H$ H' e1 D NULL,% p" m# \' |+ E, p2 L9 r1 q# G
&ei,
: M( ]% G, m0 ^4 F &uiErr);6 J" M6 i' g2 ]0 J. ` c4 A. A
' {1 A+ F2 z% [. s
SysFreeString(topicStr);9 b" z% R; d$ ?
SysFreeString(itemStr);
- {2 j7 n, [( F/ p5 ~2 r. e 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???
3 u6 _) R B' s. A9 z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; Z6 l/ D3 Z' ?/ l: h/ k0 A
// Request a value from Extend
9 J$ p9 \ R- {; ?4 w3 X& c6 W//
X" [- N' _. Q6 `8 p f D// Initialize the variant that will hold the BSTR. Set the variant's
- ?3 Q v' D* U/ t// type flag to indicate the fact that this variant holds a BSTR. Place the: |1 _! a; \5 N
// BSTR into the variant structure.
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" s T9 W$ v q; z, c; p requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);/ O' X: A8 Y* \3 e4 G$ v" L5 @
4 B* [4 X$ x! J5 G% v M itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");6 d$ U- W B4 H6 k
VariantInit(&requestVariant[0]);
9 i9 {2 A; F; K2 \" l6 s2 D requestVariant[0].vt = VT_BSTR;& I, _) |- H- Q; |% n4 [6 T, n
requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");, K6 g& O6 U8 A* L
VariantInit(&requestVariant[1]);
; x; x1 E; T$ d! `; d requestVariant[1].vt = VT_BSTR;3 N" f! j0 G" f- [ P
requestVariant[1].bstrVal = topicStr;
! Q9 e8 C' j* G( \
7 n# k: I/ u0 Y: _( p// Set the DISPPARAMS structure that holds the variant.
9 B5 W+ u" J! ]1 S+ e
0 @8 O/ l# \! p B- B% l( C8 \2 K5 g dp2.rgvarg = requestVariant;& h" w$ g3 |9 g( ~
dp2.cArgs = 2;( F; C. E& w4 [5 F) Y
dp2.rgdispidNamedArgs = NULL;6 g b1 `5 ?& Y; ]. Q" {/ K: p
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;6 j% D/ Y, `; q9 f1 r9 h
+ o* s* p$ a5 v$ L2 G// Call IDispatch::Invoke(); z7 X; X3 e+ @8 d/ a7 [: E4 X
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hr = m_pDisp->Invoke(
+ x1 g' H p; @ requestID,4 s* f' i5 `4 w8 @& [
IID_NULL,
8 l5 G8 D: P$ ? LOCALE_SYSTEM_DEFAULT," ^ C* R1 ?8 V( \5 {! l& Y
DISPATCH_METHOD,
+ \" C# @2 A# R( w& B! s &dp2,
! Z7 O7 T* {0 c. S. e+ E* }- } &var,& R/ w" ?. j( y& |2 z5 D; h& c
&ei,
5 h& H% I, x0 H; c7 ~ &uiErr);; S. F7 N) @2 f* n
4 P) H* g; L) k6 s H SysFreeString(topicStr);
( ?( _$ ^& g E1 H9 r4 {4 H, a SysFreeString(itemStr);9 o; F& Y1 {% j7 w
请问该程序是获得extend里面的哪个值?: l w; g) L; x% V: U3 k
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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