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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:2 Y5 g, m% A0 U" F9 k
Name = (WCHAR *) L"Poke";
8 U, |4 z3 g7 n* b% i" ?9 } 3 L8 o: F+ C2 D _% Z: w& C
hr = m_pDisp->GetIDsOfNames (
+ A# @6 V/ _( ] Z IID_NULL, // reserved
6 U5 d m2 u* |, f% N &Name, // Array of names to get IDs for
6 a! q" ?5 j+ ]/ s* |% S 1, // # of names in the array! r. N( L) L# L6 d8 ?
LOCALE_SYSTEM_DEFAULT, // System locale, c0 {/ `7 f5 o+ I# a; s
&pokeID); // Array of IDs to fill on output
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if (hr)6 ]: X' ~8 G d. a, l' g( i7 ~4 `* n: u
{
% v/ F! P% Q( W MessageBox ("Get Poke Unsuccessful");
_! j+ B) }( ]. m; Z' [4 H return;) A* g5 H2 v# `' D$ R
}
* `9 @4 W& k) E
3 ~+ E Y! k. A; m/**************************传递数据给extend**************************************/8 @: q0 m. y/ m0 A8 e3 G( Y
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232"); A/ `. u7 a# n) J8 P/ o
VariantInit(&pokeVariant[0]); 8 d3 e: j( v0 W& X" Y# s
pokeVariant[0].vt = VT_BSTR;% T( k; | l; D: O9 i' p. b
pokeVariant[0].bstrVal = valueStr;
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! e! N$ a0 W5 R9 @6 H6 p) X itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");+ c- m# f/ \* a: P
VariantInit(&pokeVariant[1]); / r5 a2 ^ n: m) y
pokeVariant[1].vt = VT_BSTR;% @/ y: H% t: C( B8 W9 q- S
pokeVariant[1].bstrVal = itemStr;* g% \' h% X6 P& u" d8 H- B# a7 H
5 ?6 f6 Q8 O6 @! m2 q. Y9 w topicStr = SysAllocString((WCHAR *) L"system");7 \1 g+ \# \$ g6 a: ?- I
VariantInit(&pokeVariant[2]); ' ~' n) c8 ~# D& R3 \, X3 H
pokeVariant[2].vt = VT_BSTR;
2 i8 q! F- z4 W pokeVariant[2].bstrVal = topicStr;
% V! }4 L W9 U6 C; ~' [
/ i, t" J C1 S; u& a// Set the DISPPARAMS structure that holds the variant.$ x+ z9 G' n4 x- Z
4 |# p) m, d- D9 n* p! a% _ G! X5 J' @ dp.rgvarg = pokeVariant;
; q. o |7 }8 A dp.cArgs = 3;
: I2 r y' R8 u i- j% G, J' l dp.rgdispidNamedArgs = NULL;6 e5 a, M6 p, |$ N: @2 o0 c
dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()
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4 j' X2 C6 R9 f* S+ L! Q7 h hr = m_pDisp->Invoke(
% M! S4 m- F: @ pokeID,
! R& H2 J y5 I3 o* c IID_NULL,# G$ h4 O- J4 r3 m& S$ q" L# N
LOCALE_SYSTEM_DEFAULT,
4 B( |6 ^* W. L' m; Z DISPATCH_METHOD,1 n f7 U0 Q3 b3 a
&dp,
( S9 `9 f2 Q. L, s0 ?$ h7 a NULL,/ z' ^1 _ u, l8 ~! q
&ei,+ r% @$ l8 s9 N
&uiErr);
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SysFreeString(topicStr);: z8 ?) F8 a5 G1 T' V6 b
SysFreeString(itemStr);' J: J0 }# {0 g: e
SysFreeString(valueStr);
5 G1 X) k( a) e5 s
* V- w1 l; R: E( R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???$ \7 Z' l I& @7 D! V4 x3 \' K9 ^
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????8 @% y1 ?- E4 n1 U7 ?5 v/ i
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$ f% n& @8 \$ L
2.这是request的程序4 ?' @0 D; b7 b3 q0 D# A+ N/ P) P
// Request a value from Extend
: s: q6 |0 h6 T1 `* r//: k, i4 m T4 S) U' K
// Initialize the variant that will hold the BSTR. Set the variant's
1 Y% S3 ^/ |. W// type flag to indicate the fact that this variant holds a BSTR. Place the2 O9 M! S2 x& \. m$ L0 l2 R6 f) a
// BSTR into the variant structure.3 ]1 I( w$ m8 [
) l: x3 m; y, j. Y- U' v requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);" J% J1 E& w1 U# M* u3 l$ R/ |
% u( h, u) X( n+ v( ?" h4 ]/ Z
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
M# p" p( b3 k6 C t9 {! r5 L; o VariantInit(&requestVariant[0]);
% h9 U8 ?' i( N9 K requestVariant[0].vt = VT_BSTR;
( f. l) ~, A# C* V% i requestVariant[0].bstrVal = itemStr;
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' R/ K2 l% h/ p2 z topicStr = SysAllocString((WCHAR *) L"system"); @2 e' c3 R. z( H2 N
VariantInit(&requestVariant[1]); u4 w# y; E2 Z! q& _; o
requestVariant[1].vt = VT_BSTR;
: O* e2 s* E; k) c requestVariant[1].bstrVal = topicStr;& `! l% V; {' H. W9 t, b* \$ t
+ S8 s# h( G! k1 w9 n! @
// Set the DISPPARAMS structure that holds the variant.0 b$ M! U3 b! e; f0 C
- @8 R8 |+ V, v9 v! W8 ]
dp2.rgvarg = requestVariant;9 g4 }3 `* U" m ]9 r
dp2.cArgs = 2;0 C2 L" C5 u, S% x6 L$ B; T. b
dp2.rgdispidNamedArgs = NULL;
( f+ h4 }) I/ W) ?' f dp2.cNamedArgs = 0;% w) b, [ F5 {7 Y/ e6 o' v
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var.vt = VT_EMPTY;0 j$ d9 y5 ^# N5 D J- C
* m* ~" K# l }. z% S5 n; T
// Call IDispatch::Invoke()7 U* o( k$ P' E1 N h9 S i; x
3 i8 `. E# l4 ? hr = m_pDisp->Invoke(
, e$ K2 S% |' W0 U( l5 D requestID,
! K. `$ s# X( `9 \7 Y IID_NULL,9 @4 [( c& S2 H0 N# l
LOCALE_SYSTEM_DEFAULT,/ ?& q0 }$ M) d' F! c' X
DISPATCH_METHOD,1 }8 A b# Q8 G4 x# [9 Q
&dp2,
& E2 @, Y- D" [6 N1 ? &var,
3 @; S0 L" ]' Q8 X$ l$ p7 I/ Y9 T &ei,
1 q2 c9 A& h+ w& e &uiErr);
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1 a1 r0 b! E, E& B SysFreeString(topicStr);
8 d2 }$ [( L5 |8 y) |) g: y" T) ^ SysFreeString(itemStr);
. J7 P- [4 `% u, O0 T. e& k1 L# H请问该程序是获得extend里面的哪个值?
$ g2 Z+ \6 l' C3 [" N. r z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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