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 i# g5 a; I2 n* t/ @: r
Name = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (
. i# i$ h9 F9 ^ F1 b" w IID_NULL, // reserved
" N2 Y- N S& [3 d z &Name, // Array of names to get IDs for: C, t8 r+ \; \$ p. {' s
1, // # of names in the array; e1 |# O( d D3 F4 a
LOCALE_SYSTEM_DEFAULT, // System locale6 a3 Q H E4 `& a+ o* r$ Q
&pokeID); // Array of IDs to fill on output2 \& `5 _; q+ L q
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if (hr)
+ K1 O* i& M& g% r) K9 e8 V {
; \( }3 j+ H9 u/ C. H2 c. s MessageBox ("Get Poke Unsuccessful");$ r' {% h: ^' Q2 ^
return;
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2 W! }' U) w; p% i- P, ^ /**************************传递数据给extend**************************************/
+ j Q" I+ |8 k; i* c1 B pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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, E+ z1 ~# @ l" O1 ^& ~) H) ? valueStr = SysAllocString((WCHAR *) L"1232");
! q/ V, l1 d/ I& ~ _) N' ~; H VariantInit(&pokeVariant[0]);
# a; i$ H6 k8 q pokeVariant[0].vt = VT_BSTR;
. V7 e: {9 v5 ^8 P- S. W( \ pokeVariant[0].bstrVal = valueStr;5 o! T# h9 E4 a; v+ `' y
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");- d8 ?2 Q: n% p5 H$ S
VariantInit(&pokeVariant[1]);
! U* Y$ K( p& ?8 @2 p pokeVariant[1].vt = VT_BSTR;7 }9 f- H" c' _4 {/ e
pokeVariant[1].bstrVal = itemStr;' H( w8 v7 i/ F* u# ~; H) y
. I2 z( l. i" p9 O# y topicStr = SysAllocString((WCHAR *) L"system");
9 e' a. p* Z& @9 |' U, F* {* A VariantInit(&pokeVariant[2]);
, Y8 O [0 j# K8 t& L pokeVariant[2].vt = VT_BSTR;$ N3 |. f) N$ s! F0 ?
pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.. o9 c) I. S; V0 g" J) s0 ]
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dp.rgvarg = pokeVariant;9 _/ [1 d9 L, @+ B
dp.cArgs = 3;8 _! Q5 a5 ~. N* o7 v( ?3 B! y
dp.rgdispidNamedArgs = NULL;
# ?# @2 s& \4 B4 [1 D dp.cNamedArgs = 0;0 W6 u4 L; Q& ^0 v+ I
- l0 e+ G; E2 U // Call IDispatch::Invoke()
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% w4 a) P2 d9 ` hr = m_pDisp->Invoke(/ r' X2 f! I5 j
pokeID,
' k, p, K Y+ K* K) t: h IID_NULL,
/ ?' M& o" x, I+ _ LOCALE_SYSTEM_DEFAULT,# Y% r% |% Z7 X
DISPATCH_METHOD,
% j- K" E# {7 ?* n: Y/ V% t/ s4 M &dp,
' O: y2 C" \% Z NULL,, M. b; D, f0 a9 l e4 w
&ei,
9 ^5 b* u! Q' Y: k &uiErr);
0 ~4 j6 `- z. }/ l( \% o8 ]
8 T* g- o" S# D SysFreeString(topicStr);! O: `# W, s4 C
SysFreeString(itemStr);
$ [0 B: D! X4 d4 @: E m3 K0 h SysFreeString(valueStr);9 F. K3 j" O" G, l) b! X+ m. U
. x( K+ U( Z( e6 v; X6 P2 K
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???! C! u/ Z: u2 z$ h% \* V
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
, L8 E$ f1 m& L$ T, k // Request a value from Extend* s6 [ D2 U; I6 H/ I' i4 |% s2 C
//1 _5 _7 \2 H7 N+ M
// Initialize the variant that will hold the BSTR. Set the variant's7 G: E; \ `9 A3 V9 A% g5 X
// type flag to indicate the fact that this variant holds a BSTR. Place the# z/ ^ K, G- Y* o# J! {; r- j8 I
// BSTR into the variant structure.
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1 Q" Y* b& A4 d a, V requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
' A2 j6 F: N; y8 T+ a [% X 0 ~# i8 E L( w! B& P! L6 C% d
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");1 H+ m; a/ i$ ]+ s5 v
VariantInit(&requestVariant[0]);
. u9 {0 U0 W. V* e; b requestVariant[0].vt = VT_BSTR;
1 q/ c8 V, {) Z4 h9 W5 ^3 z2 ? requestVariant[0].bstrVal = itemStr;
+ }/ n# }7 i! E k! C
6 _4 z/ o- S% X* e3 M2 I) F# O$ u, Y topicStr = SysAllocString((WCHAR *) L"system");: L2 V' O* @7 I* w1 H2 D2 J
VariantInit(&requestVariant[1]); 9 D- [) {% P; P8 a$ r
requestVariant[1].vt = VT_BSTR;$ r: L) Y: n( z3 S, g1 T
requestVariant[1].bstrVal = topicStr;* m9 z+ i( v. a
; L( v1 e% ?0 X- v // Set the DISPPARAMS structure that holds the variant.6 ]. U5 n6 k% c+ @
3 D( X8 _8 G% M5 _ dp2.rgvarg = requestVariant;# g. \4 }+ {3 e2 B
dp2.cArgs = 2;
. B) d, x `6 A5 q% J0 X: i4 L dp2.rgdispidNamedArgs = NULL;) a3 e' ?, b, A% c: I1 x1 m- A3 F
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;9 {% E$ K# S) f4 i7 j" d/ z
6 K) r6 ~ r+ j, r/ P // Call IDispatch::Invoke()# \' o$ \3 U* Y( X
7 ]6 Z0 }+ P* _
hr = m_pDisp->Invoke(
0 u: q, m& b% s8 ]6 O2 V+ v requestID,
D! X4 a) }) p) D4 L9 V IID_NULL,
7 v* `: K r% h4 W( A$ v% L% X5 p LOCALE_SYSTEM_DEFAULT,% H8 }, n3 {0 N% I: q+ m; J6 r1 i
DISPATCH_METHOD,/ v+ n# g: T* k2 ]; O
&dp2,* Z( _5 [0 K2 l
&var,8 o8 O) t" j$ i2 H c
&ei,
+ D5 J3 z; L, V( o: D/ v" ?. A W- v &uiErr);
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SysFreeString(topicStr);
9 z8 r3 d. \0 N1 Z$ k6 k SysFreeString(itemStr); r! d, S# \% b I$ b8 y! O0 g2 J
请问该程序是获得extend里面的哪个值?3 x7 H2 [; P. ?7 t
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????
我来回答