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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:
: J+ |2 U' l, A/ P* i1 SName = (WCHAR *) L"Poke";( |2 d, R% A3 J/ U& B
1 |% f( i) t: h8 b2 M3 B9 {
hr = m_pDisp->GetIDsOfNames (1 k' t9 y1 f T+ i1 C
IID_NULL, // reserved1 w( P; z7 Y" e& K8 [8 R ^7 A j$ H
&Name, // Array of names to get IDs for% |4 I% m' z! `) J5 C
1, // # of names in the array- g6 w4 J4 Q# G& y
LOCALE_SYSTEM_DEFAULT, // System locale4 m: t* {" D+ b' q( C1 ~6 V
&pokeID); // Array of IDs to fill on output% \/ j2 H1 M5 f4 C) d7 W
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if (hr)- H9 |$ c8 f" m$ ~ @5 w- M+ c5 t
{$ g: L% G( H1 |+ n
MessageBox ("Get Poke Unsuccessful");- i1 K6 T- {6 u4 {4 ^* Z
return;1 e/ n7 }* E- k
}
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9 r) A4 a2 b( ?' r' _& s' ~ U2 f/**************************传递数据给extend**************************************/
v' A( ~- e1 C! q% H pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");
& E3 ?7 a: h( K; K9 O8 X: k, p% f+ x VariantInit(&pokeVariant[0]); , y9 P1 m/ X3 s% a! W" X
pokeVariant[0].vt = VT_BSTR;- x. |+ F, [1 H# Z1 \/ W6 `0 ?
pokeVariant[0].bstrVal = valueStr;: x2 c; I* H+ k% w$ V5 `8 }) C
" U2 H0 R) e \; |' h, n& i8 @- _. T itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
- D! C8 I/ X0 T; y9 S( j VariantInit(&pokeVariant[1]);
- j5 L+ h0 D) B pokeVariant[1].vt = VT_BSTR;+ e- F4 C: M X0 V
pokeVariant[1].bstrVal = itemStr;, Y- X5 S, n6 |2 q
, y. ^) x5 Q( ~8 p* m, ] topicStr = SysAllocString((WCHAR *) L"system");7 R4 e# L6 N$ i& u0 d" r8 T5 {1 y& M
VariantInit(&pokeVariant[2]);
8 W# [; q# n, ^! } pokeVariant[2].vt = VT_BSTR;
. D& s3 H9 I! S- f2 m, Z. L pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.* g5 Q7 Z4 A# N2 p* X% ~
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dp.rgvarg = pokeVariant;
( q% o; @9 S, U$ f% M dp.cArgs = 3;, X% b5 f1 ^! r
dp.rgdispidNamedArgs = NULL;0 m, `8 w4 Q6 X3 `$ w
dp.cNamedArgs = 0;9 ^# L9 O; T( @) k
J2 y- I: H+ X3 C+ k) j// Call IDispatch::Invoke(), q- h3 [, o# g2 ?5 Y* u. k7 f
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hr = m_pDisp->Invoke(' r, ]3 m: P" S" ]8 a
pokeID,! w* o8 |& t; o! z1 ?( f
IID_NULL,
- _6 X! E8 O+ B! \ LOCALE_SYSTEM_DEFAULT,
6 e [) Y, F. X2 M; q' t DISPATCH_METHOD,' z. j. j, A% K
&dp,
, I2 V1 E' ?7 z, m& E8 q( X NULL,
: u3 _7 p8 }2 B" U, z &ei,
! U5 k0 Q$ r# u0 e) G1 D &uiErr);9 \0 V* u/ G3 }6 k. |
; M+ b7 A" z* i8 R0 t6 s, s SysFreeString(topicStr);; K/ g7 d! P0 R8 k3 H
SysFreeString(itemStr);5 t) W) ^% }+ c; g
SysFreeString(valueStr);( n4 t! L. U+ A4 y; p- w
8 q. e# U5 B* \" d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???9 L4 H7 h- D: z0 M" W; d1 s
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+ w& ^. j4 @" h$ f- N
// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's V2 N/ U; G6 o) J
// type flag to indicate the fact that this variant holds a BSTR. Place the, A. n9 f: a- t) D [
// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);! K2 ]6 r' r2 y. N4 N
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");. K- K4 s. _- t
VariantInit(&requestVariant[0]); . x% p9 u0 u: `4 `+ H
requestVariant[0].vt = VT_BSTR;% v7 e1 k( \* }" O9 ]: w
requestVariant[0].bstrVal = itemStr;$ p! |# \( [. T2 G- W6 J. ]2 k9 }
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topicStr = SysAllocString((WCHAR *) L"system");
3 Q8 n6 r7 C1 M2 ` VariantInit(&requestVariant[1]);
& R5 Z# g6 p/ c4 G& ^! M6 M; B" ~ requestVariant[1].vt = VT_BSTR;
: d! Q7 e& P% } requestVariant[1].bstrVal = topicStr;1 G) _5 _% h# L
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// Set the DISPPARAMS structure that holds the variant.: T6 L; X5 l5 L! K+ z
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dp2.rgvarg = requestVariant;$ ~- g# B. u$ |! z
dp2.cArgs = 2;
) ~( b M7 ]/ I9 u! S! O- F( E, } dp2.rgdispidNamedArgs = NULL;
8 P, G9 c8 H, q# n% m dp2.cNamedArgs = 0;* g- I5 U& J* m2 B1 E$ @" k0 g0 U! a
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()- ^- C# K) E* R: O4 a- w
8 F1 c* e( o+ V+ c2 q7 q hr = m_pDisp->Invoke(
7 e0 A0 u7 j0 H5 t1 B* Q requestID,
0 _2 `5 ?) X; T' @ IID_NULL,; A0 ?2 \/ k( a7 u
LOCALE_SYSTEM_DEFAULT,( A0 ?0 F5 ^+ l; b. u0 C% G, K7 k
DISPATCH_METHOD,
% C( z1 o* N6 P/ | &dp2,4 R, k2 ^+ b; Q3 T P; X
&var,2 p J2 n% V# t8 H; t3 M0 g6 J
&ei,, I) g1 V- y. u: C. q4 E
&uiErr);$ ]% O3 I; U- q: ], W
5 s6 M3 G4 m/ d- F- `" c SysFreeString(topicStr);
~* S, [1 N# M5 } SysFreeString(itemStr);
" T* F1 a7 t9 b4 S" K请问该程序是获得extend里面的哪个值?% d5 I% R* q- X/ S7 K0 L9 j
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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