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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:3 E, u% Q: p! g$ c/ U, h B* ?
Name = (WCHAR *) L"Poke";
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" f" k9 V1 y" `1 Y( h hr = m_pDisp->GetIDsOfNames (
r& I( A0 [' f4 ]9 i IID_NULL, // reserved" I' y7 p5 j- w6 i0 h
&Name, // Array of names to get IDs for
7 w* I% C- s& S/ i2 N 1, // # of names in the array
" M( Z* e. O: a3 P/ N LOCALE_SYSTEM_DEFAULT, // System locale- F8 b/ [# E; d9 W
&pokeID); // Array of IDs to fill on output
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if (hr)
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MessageBox ("Get Poke Unsuccessful");/ n& O3 T8 Y( {, u, u) r! ]
return;4 b/ G0 a$ F# E
}
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/**************************传递数据给extend**************************************/
. K4 h8 C# ^# | pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");
, Z8 D" c2 @. }( ?! w: F5 O VariantInit(&pokeVariant[0]);
\2 \. h. I: N7 d# f, P4 ]% q pokeVariant[0].vt = VT_BSTR;/ e' Q! g& A6 [2 c: }' n
pokeVariant[0].bstrVal = valueStr;
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0 z; ~$ L; j) {7 X7 M# z/ z( s6 @. v1 l# } itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
$ V) z& e, t- d1 Q VariantInit(&pokeVariant[1]); / S3 m/ y2 s& y, ~0 |" H
pokeVariant[1].vt = VT_BSTR;
g0 I" s% A: ^' Y+ O pokeVariant[1].bstrVal = itemStr;
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2 H. k' o% b1 a% t- i topicStr = SysAllocString((WCHAR *) L"system");1 M4 x' I0 d' _" a5 W" b _
VariantInit(&pokeVariant[2]); ( V1 i7 ^* `9 y- M" v& s+ d, k& z: ]
pokeVariant[2].vt = VT_BSTR;/ {: {0 T7 a" u+ T" H9 _
pokeVariant[2].bstrVal = topicStr;
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2 Y- i" w' I1 E; ?6 B+ Z// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;0 H6 x: s( @- g* {8 c1 x' ?, Z
dp.cArgs = 3;! V- V ?) {1 a. @7 Q
dp.rgdispidNamedArgs = NULL;8 m! c* v, x, r3 n( G3 E! C7 r% L
dp.cNamedArgs = 0;
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0 W4 I4 [& r1 J Q5 h5 F// Call IDispatch::Invoke()) N$ D# i& s; \* i$ x
0 H% }0 c( |+ S& V6 ~! s hr = m_pDisp->Invoke(5 l" D( J% T; y1 A0 {& ^0 ]* H$ N
pokeID,
* h, t2 z5 [$ a0 D! w. f% r$ n IID_NULL,
/ `% j3 T! q- Y LOCALE_SYSTEM_DEFAULT,
, g5 A( n( ]" ]7 H* M* r& G. l, z4 y DISPATCH_METHOD,4 v! j* ~; t3 f3 Q
&dp,
' I- i$ l$ I, w* S; Z! w NULL,& g3 m4 M1 j( L [5 J
&ei,; Q. F* L6 Y" X! e: s8 K! J
&uiErr);
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/ C4 r& R: Y0 e+ H SysFreeString(topicStr);
9 ~: B0 r2 L2 [ SysFreeString(itemStr);
: I/ h6 j* D- D SysFreeString(valueStr);2 ^( e6 K* ^9 v9 H1 Y% V6 ?
/ _( n. q+ J8 x! C* X8 U
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???
8 e/ Y: A# F3 G" m8 I' a. d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! K$ D% } u- W
// Request a value from Extend! d2 C; i7 T r7 n: H7 S c
//
% Z. E: h) {. q+ U; f% K// Initialize the variant that will hold the BSTR. Set the variant's+ A. u$ D' | u, a& u- f
// type flag to indicate the fact that this variant holds a BSTR. Place the
! {% J/ o- M$ R- W// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);. f5 ^; Q3 T8 u H
% h2 ^/ [- w l! d9 l$ Y' h7 a itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
3 C, u- o: x: k VariantInit(&requestVariant[0]); . b) @% b5 Y) r3 h, O8 ~" K. b
requestVariant[0].vt = VT_BSTR;) M4 C; A5 ?0 I2 G% y
requestVariant[0].bstrVal = itemStr;! H/ @6 M$ l- X/ `& |' S
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topicStr = SysAllocString((WCHAR *) L"system");2 p8 a3 A- ]8 ]* s6 ?" ?
VariantInit(&requestVariant[1]); * X% T; Q5 Y$ ~' h( Y
requestVariant[1].vt = VT_BSTR;6 E }, E# _5 g' Q) l! E
requestVariant[1].bstrVal = topicStr;
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3 }5 P3 \9 R1 ]1 m: e, |" I// Set the DISPPARAMS structure that holds the variant.' y- E' \1 O/ ~0 ?
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dp2.rgvarg = requestVariant;
$ g! C$ _2 t k# e$ h) n dp2.cArgs = 2;
0 W! w% L, l- S$ m) g dp2.rgdispidNamedArgs = NULL;' m9 O( R/ r. M, t* u1 g6 W
dp2.cNamedArgs = 0;$ B/ g, z% K, e+ ] k
9 X( F5 O4 L* N0 e' C/ l9 ~" S; O5 a var.vt = VT_EMPTY;
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: I4 N( h3 Y. ^8 v9 ^// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(9 n- S/ {( \7 b; M( y4 Y) O
requestID,
& D6 E+ q1 U5 n, O IID_NULL,
. h9 Q" Y, e2 {- ^: \ Q- A5 I LOCALE_SYSTEM_DEFAULT,, {- x+ P2 m8 b
DISPATCH_METHOD,, f! w. {3 s1 g6 d" ]2 L
&dp2, N8 K2 Q8 Y! R: ^2 w4 p. K
&var," M: N" j% Q# R0 J V4 X- G2 {
&ei,
$ n* O. W0 O+ b; C+ ] &uiErr);
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SysFreeString(topicStr);
@4 O( }6 w) x$ t5 ^% p# ` SysFreeString(itemStr);* O1 x* J! _, C" P3 L
请问该程序是获得extend里面的哪个值?8 X' m0 _$ h9 S/ v0 j, d+ \
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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