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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 q6 \5 w# n& {3 U
Name = (WCHAR *) L"Poke";
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8 G8 k- w$ d3 Y' r hr = m_pDisp->GetIDsOfNames (5 P \3 p! B$ w7 C. ~
IID_NULL, // reserved
5 J- O1 q$ X$ j; v1 e: k0 G+ a &Name, // Array of names to get IDs for5 Q& _! Q" o9 A& S: X! E% t+ ~
1, // # of names in the array% {7 w, t# j& o' i& w6 S
LOCALE_SYSTEM_DEFAULT, // System locale
" c! j7 ^7 b N" {1 r. j5 G &pokeID); // Array of IDs to fill on output3 S; ^* o9 f+ l; D' o5 `: u. Q* k
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if (hr)* G6 E; }7 V9 J9 M$ _/ D6 h
{
, `8 K0 c/ W( N2 \) T; L0 Z MessageBox ("Get Poke Unsuccessful");
7 b6 q& S) S" Z; L- t return;1 H. K$ V1 z7 T) t: i% R8 A/ k
}
& o1 H/ Z1 O. M
0 L- Q/ R y; Q8 \- G/**************************传递数据给extend**************************************/
) d) z+ v0 r- O pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
( C5 M/ A6 i$ ]# G5 K+ d
; {) `# e2 z0 v/ Q2 d" b7 X valueStr = SysAllocString((WCHAR *) L"1232");) e r( O" ^1 @! d) D; `+ x& Y
VariantInit(&pokeVariant[0]); & q( w" q7 u4 O% G- @# m" A& n
pokeVariant[0].vt = VT_BSTR;
: x4 A% m6 Y7 Q! c. a pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
4 Z: V" X( f% a VariantInit(&pokeVariant[1]); % B9 ^8 b8 a. \5 ]3 ^5 p9 N# s2 ]
pokeVariant[1].vt = VT_BSTR;
1 W/ ^: W7 R, l! a! ^; d pokeVariant[1].bstrVal = itemStr;
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: y. O: h! r) ]9 o. D# v0 Y topicStr = SysAllocString((WCHAR *) L"system");
& Y* f& [7 f$ K4 X VariantInit(&pokeVariant[2]);
* }" g$ P% E: b/ u pokeVariant[2].vt = VT_BSTR;
+ e: t3 v1 m9 W4 n1 K6 \; S pokeVariant[2].bstrVal = topicStr;: z. _9 Y( W/ E/ E5 }
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// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;' C" w9 B4 J' B4 f+ `; B. P. W
dp.cArgs = 3;
) Q1 M% N; c* g dp.rgdispidNamedArgs = NULL;
. e+ t+ L4 Y/ N dp.cNamedArgs = 0;8 f+ ^1 `" A& R8 L
) j" K# Y7 Z9 W4 V' N; r// Call IDispatch::Invoke(). R7 s/ _1 ]% o: ^! U; M6 Y& f
3 \ C8 p$ }: x hr = m_pDisp->Invoke(. O+ @' @7 a% y' @/ C
pokeID,
! i: f: J0 [ q% Z IID_NULL,
9 \( e P8 {. U* S LOCALE_SYSTEM_DEFAULT,6 j8 M* _$ l' |' {- Z
DISPATCH_METHOD,
! j8 b7 O0 o; _: v &dp,
! n& D2 A# M% g# y7 x NULL,7 ^- d5 m1 t) w) c, [+ c
&ei,
; Y- a9 b5 b2 ?: m2 P2 C6 U, A4 m' S &uiErr);) j" x- _/ F. T6 S+ P
4 G9 G2 p5 c1 M3 x" f1 j
SysFreeString(topicStr);7 [4 @8 V! [+ y- b# H, G: M
SysFreeString(itemStr);" J( r$ h- m$ ^+ q
SysFreeString(valueStr);. V& W& d) w) G4 ]% k$ ]
' Y& j9 ` ^; J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???1 Z/ i/ M/ V @% d/ e
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????; c& G8 \3 c- s/ [8 Y
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2.这是request的程序
6 [1 Y, K4 k4 |// Request a value from Extend, C5 y% Y$ M4 Y/ e! s7 X2 m
//
* u7 ^/ l5 U6 Y" x0 w X+ _// Initialize the variant that will hold the BSTR. Set the variant's
5 p" B' B/ c$ B; O- q// type flag to indicate the fact that this variant holds a BSTR. Place the
* A, h# |* p. H: g// BSTR into the variant structure.
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3 B* x7 k, u0 L8 ^& [* W requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);4 O9 ?( C2 P( B7 `1 h
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");& Y# E! u7 h' ~8 R
VariantInit(&requestVariant[0]);
/ X( { `: n8 d requestVariant[0].vt = VT_BSTR;7 R1 P) S4 Z7 R+ v# F" w1 [
requestVariant[0].bstrVal = itemStr;
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/ y: g9 Z% s0 ?7 H( m topicStr = SysAllocString((WCHAR *) L"system");" _1 q* W1 P7 S1 B; @( E
VariantInit(&requestVariant[1]); / H$ l; Q: T+ k
requestVariant[1].vt = VT_BSTR;
: S: g2 X" C# T requestVariant[1].bstrVal = topicStr;3 ^. m K; j: L/ x* X
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// Set the DISPPARAMS structure that holds the variant.' E# U4 {) C7 x0 @: [
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dp2.rgvarg = requestVariant; [/ V0 N& H! o: E! D
dp2.cArgs = 2;
7 H0 F7 Q1 [% i1 L dp2.rgdispidNamedArgs = NULL;2 _$ a: q1 ]+ O6 F5 x8 O3 F
dp2.cNamedArgs = 0;
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3 r+ o! P6 N6 y/ P8 ?3 A( ~# ^ var.vt = VT_EMPTY;8 _* x, F" u% c8 N# E* @; N1 e
9 d6 D; G. l) x9 |, ?// Call IDispatch::Invoke()
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" n% |+ x t" O9 C: d. w, P hr = m_pDisp->Invoke(
# X" m, K8 R& {3 t& F1 X requestID,
6 m$ _# N: \2 e+ _5 X/ D& ~+ d3 k. t IID_NULL,& f3 J/ b t+ ~3 R9 Q4 B7 q
LOCALE_SYSTEM_DEFAULT,
! Q! K) z' K$ ` |6 ` DISPATCH_METHOD,
/ N" G1 O, y' Y4 B &dp2,% j& y& h9 R, x- r; E2 }# V2 S% R
&var,
8 K; g; t- i( h+ [+ a. b7 q &ei,
! O6 D0 N- R P( {8 { &uiErr);
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( j% t) n3 m9 t4 @8 k SysFreeString(topicStr);
2 k. w* l! I3 E) Q* F' t2 o4 X* Z SysFreeString(itemStr);: ^* D. I* B- }! c5 s
请问该程序是获得extend里面的哪个值?" |( L& L( _- r" R
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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