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:# Y0 R) X- T* B
Name = (WCHAR *) L"Poke";" [! Y6 G+ l9 m9 _2 B: ?( H6 f7 |
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hr = m_pDisp->GetIDsOfNames ( 1 s n& V; T4 h* V! G IID_NULL, // reserved 9 ]6 m0 I! t1 }3 _( j5 i+ {4 g* \ &Name, // Array of names to get IDs for# [ J, N# U- S& l3 q3 a* Z
1, // # of names in the array$ c1 Z; P/ Y9 H2 b# D
LOCALE_SYSTEM_DEFAULT, // System locale & R( h- W" \7 M &pokeID); // Array of IDs to fill on output 3 a7 \5 ^% b. f3 P( u 6 d' \. I1 G8 |4 `% z* k
if (hr) - ^: |3 R1 q" a/ u# A { 5 L5 R: `3 k3 n* D) O MessageBox ("Get Poke Unsuccessful"); - P7 t! x' H/ U1 e: U, { return;8 @/ g: c* N$ y; G5 @6 ~& C
} 3 `. ?5 f$ |. g' J0 n/ J 8 M/ B# l' h/ {/ b. y$ ^/**************************传递数据给extend**************************************// u' W V' |1 m' X
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);$ v5 ]7 K- N+ u8 F8 b8 K, v
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valueStr = SysAllocString((WCHAR *) L"1232"); . p1 G y% p1 A" P/ Q& D VariantInit(&pokeVariant[0]); 1 V; C7 G9 I0 s; G# ?& _ pokeVariant[0].vt = VT_BSTR;4 j; Y9 I- a! V7 G
pokeVariant[0].bstrVal = valueStr;- j( x$ ?/ v8 V) o
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); 4 `; C9 s! a U) O2 f. I6 U VariantInit(&pokeVariant[1]); 4 S! X) Z% C# F" Q9 m pokeVariant[1].vt = VT_BSTR;, u0 z; g4 d3 V8 ~. B+ | |
pokeVariant[1].bstrVal = itemStr; 2 y6 g. r' \+ f6 E/ F+ k* B # e# N& @+ c! t. i+ v2 G' \ topicStr = SysAllocString((WCHAR *) L"system");6 ~! }2 G$ [, v1 S+ W; g$ H
VariantInit(&pokeVariant[2]); ) z( b( F5 ?: d3 E L" D
pokeVariant[2].vt = VT_BSTR;. v7 Y9 f! _1 p/ ]) t
pokeVariant[2].bstrVal = topicStr;3 ^4 } Y" s7 R$ |
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// Set the DISPPARAMS structure that holds the variant.: W% p2 P5 |9 |5 N+ a( s8 q2 f H* R
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dp.rgvarg = pokeVariant;0 `* l. I* E/ }1 G+ ^+ W7 {
dp.cArgs = 3; 8 B5 u/ y0 A5 Z9 g/ t dp.rgdispidNamedArgs = NULL; t* ]* b5 c+ S7 M# ]
dp.cNamedArgs = 0; 8 W' K. D. U/ C) j4 ^% e) V# Z# ^
// Call IDispatch::Invoke()3 m/ i) S% Y, L1 B+ G, |
; Y. b& v" }( v& e* q hr = m_pDisp->Invoke(3 W, `: K) a% N$ a1 u% h* b; _- E$ C
pokeID,7 } g w% s l2 p& ]7 Y
IID_NULL,( l6 g b6 V" z: u
LOCALE_SYSTEM_DEFAULT, : u3 E( q! L9 U& B ] DISPATCH_METHOD, ! Y I1 ?2 a* ~3 ~1 @' U &dp,# b8 B4 \ \1 F8 S; \. r5 j
NULL, $ A' H5 z8 Q) i% Q5 B3 `1 l5 v, \ &ei, 5 |+ {* f2 Z7 a j* ` &uiErr);' X0 m- ~+ i0 ^7 E( O( }
+ f, P$ W. H- A; E8 B SysFreeString(topicStr);1 I# n# V4 n( A& l6 c+ N
SysFreeString(itemStr);8 s- M3 J8 A- L5 N
SysFreeString(valueStr); " p! u9 C5 Q2 ?" w8 \9 l& F2 P: H4 K. g2 I- `
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??? + y' A5 q# u. w5 e3 Y" b( o6 \- p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???? 1 f# f2 o% X4 i; J ) F) a, E, x- m2 Y3 a) o& V2 }3 l5 ~: I: V8 G
2.这是request的程序/ O) r' @2 Q; m! ^9 U$ |+ o
// Request a value from Extend $ }9 y! x) O3 l// ! \, F1 S! Z- ]# u# V C// Initialize the variant that will hold the BSTR. Set the variant's + ]* E% x* F# c9 m3 c8 n// type flag to indicate the fact that this variant holds a BSTR. Place the& A4 ^* |$ N+ V$ O' W+ X
// BSTR into the variant structure.6 ^( f! J* L. N) p3 y
5 t4 _+ D2 @. i. O/ s requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2); " h2 m7 w, U- h 0 L4 b: {/ O# a/ n, E
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); R% k" D$ }# G5 g; x& r$ m" I
VariantInit(&requestVariant[0]); 8 Q& h @0 W/ G
requestVariant[0].vt = VT_BSTR; w9 I( [" W$ _. ]0 E
requestVariant[0].bstrVal = itemStr;4 b( ^; X8 ]' n1 W% q, ~. A n) c