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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:
g, |9 s. g4 F* G8 B+ mName = (WCHAR *) L"Poke";
7 b& _1 E8 a5 d, I: y 6 Z& J/ \, ^8 ]" H! \& Z' }
hr = m_pDisp->GetIDsOfNames (
5 }8 L" L! v1 r5 J7 Q IID_NULL, // reserved: r" T! s: F. R
&Name, // Array of names to get IDs for5 k: J+ W$ V$ E4 z
1, // # of names in the array, s3 h$ J5 @4 X0 y* W9 z8 @/ @' {, G$ ^
LOCALE_SYSTEM_DEFAULT, // System locale# t; {7 f+ b. P% ?4 \% s1 x
&pokeID); // Array of IDs to fill on output
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if (hr)
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MessageBox ("Get Poke Unsuccessful");
$ h* m% n, a) N7 M6 W return;1 x% G, m$ n, u! Z0 B9 l
}
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/**************************传递数据给extend**************************************/
! o7 Q$ G6 R! k' Y pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);! x6 y) A, ]7 s% |/ [
8 E) L: w3 b& d' E8 I: l valueStr = SysAllocString((WCHAR *) L"1232");& p7 F, P# x) d9 l0 F; d
VariantInit(&pokeVariant[0]); 9 \& H. Z6 F: }9 w. T" Q: u3 c
pokeVariant[0].vt = VT_BSTR;
' A2 q) ^1 J9 y4 C- ^ pokeVariant[0].bstrVal = valueStr;! ? l; o8 a; M1 k
6 b/ O. K& F7 M2 J" Q" E itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");" b9 w* J. V/ k2 [6 C
VariantInit(&pokeVariant[1]);
5 q F# U4 H, \& U* N5 ~1 J pokeVariant[1].vt = VT_BSTR;
: @9 ?7 U7 h, t7 q1 i' o pokeVariant[1].bstrVal = itemStr;+ V$ {* ]! U8 Y( i, f3 L U
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topicStr = SysAllocString((WCHAR *) L"system");
4 [2 W9 V( ` i# N/ V# |/ P VariantInit(&pokeVariant[2]);
. W# S' T U; f$ F( U0 f" } pokeVariant[2].vt = VT_BSTR;: p4 p. A* n; a. V! @
pokeVariant[2].bstrVal = topicStr;% M3 \: U6 S; G ~/ H0 c. y; r8 r
# z. s6 d6 `& Z8 V// Set the DISPPARAMS structure that holds the variant.
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7 |- E6 [: B5 n; j5 ] dp.rgvarg = pokeVariant;5 @( G3 P! H: B. j! d3 L- M
dp.cArgs = 3;
4 y% |* M7 w5 A: h dp.rgdispidNamedArgs = NULL;
5 u0 ]4 V J5 _0 t7 w dp.cNamedArgs = 0;
( E$ E3 {4 t8 M3 x) o: y* ]% R& K
: Z! t$ z7 @/ | `// Call IDispatch::Invoke(); B% U" n2 F4 D j! |6 R9 D: A
+ v$ L; W" M2 @0 t' S0 y/ }: R2 d! w hr = m_pDisp->Invoke(
0 {- c2 k. t5 w; |, W- [7 F pokeID,0 L9 E0 R g8 {. k& p0 u: U
IID_NULL,
' G5 G; z' D- r7 B6 A) @ LOCALE_SYSTEM_DEFAULT,& K9 m/ o _2 U$ @" D+ N( @0 X7 G% e: S
DISPATCH_METHOD,
: |/ Z3 }& d; M9 W3 @/ K1 Y4 J! {% N) X &dp,
" x6 f" ^. }5 L9 O+ {% k- A% @ NULL,
1 l0 Y; U, l8 S, ^6 |; T5 a &ei,
( n, h# t+ P( u+ P& R% _ &uiErr);3 ~1 d5 |9 u: x) O% s$ Q
1 ?/ M, j! J/ i SysFreeString(topicStr);, x; {; I: d& }3 {, D. w% q
SysFreeString(itemStr);
' {9 O+ F+ e1 W/ x. q/ B! o 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???! ^, Q% I% F1 i" _
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????' b* e) R p9 I9 [
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2.这是request的程序. ~6 L8 r6 X0 A- P( p4 \
// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's: k* }2 h. D" D; i
// type flag to indicate the fact that this variant holds a BSTR. Place the
0 @# m% k0 N7 w) v, G6 ^! b$ B// BSTR into the variant structure.) u' g2 G# u% W) f: n# j
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
" {% v' i$ Y, V+ z
& R4 k/ R4 N0 N: W itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");# V+ ], x+ ]2 E$ q. O& }
VariantInit(&requestVariant[0]);
! d* G. k; O2 ~6 P* h) v requestVariant[0].vt = VT_BSTR;
$ R" x m3 w2 h1 @ requestVariant[0].bstrVal = itemStr;/ j& Q2 j, A$ j1 H' d- u
: n5 s; _) ?! G7 N
topicStr = SysAllocString((WCHAR *) L"system");* J" o8 x* Q: L$ c: W
VariantInit(&requestVariant[1]); 5 Z9 K' E' W: ]. S/ x3 \: {
requestVariant[1].vt = VT_BSTR;, c3 V3 u0 ~" m
requestVariant[1].bstrVal = topicStr;
# r% l r1 }: @2 u8 j7 a, {/ D- v9 {4 g
// Set the DISPPARAMS structure that holds the variant.+ a7 P2 L+ V- e" v0 V. U1 }% N
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dp2.rgvarg = requestVariant;: n/ X: ^6 |6 d$ s& J/ n1 x
dp2.cArgs = 2;
' E8 Q7 b0 \1 w8 j dp2.rgdispidNamedArgs = NULL;# S6 A. A8 l6 k+ O
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;% L6 Q8 f- d6 r5 {7 Q6 t
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// Call IDispatch::Invoke(), A) O2 R5 J# A) H6 `% ?
' d# Z/ Y* d8 L w% q hr = m_pDisp->Invoke(
9 K+ Y3 l9 X0 g' |1 I6 c requestID,
$ O! N1 [, T8 H+ ?: b IID_NULL,( w, s1 g/ |. i3 X
LOCALE_SYSTEM_DEFAULT,
! U8 D' n6 m4 Q) S$ x1 ] DISPATCH_METHOD,
# R( \# S1 B' q+ c W, b &dp2,
3 h8 w) ~( ?7 Q& { &var,; g. _' T6 I+ O* g5 u
&ei, p0 S8 v+ Z5 P4 q% W5 s2 z
&uiErr);
/ M$ H1 n% y8 c; U0 a
, c8 [5 x- p" u+ V5 p6 S: r* C; b6 } SysFreeString(topicStr);
% A- k$ b2 X! N4 b* X2 U, n SysFreeString(itemStr);
6 l5 v% B8 p8 V6 _请问该程序是获得extend里面的哪个值?
# ~, h% ^* l& |0 G/ N2 ?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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