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:0 C7 w$ p3 D+ o( `' f
Name = (WCHAR *) L"Poke";0 P' Z0 V$ J3 w6 W. M9 C, z
) ]! K" l4 m$ q' v- J! M hr = m_pDisp->GetIDsOfNames ( - E; s `0 S, C IID_NULL, // reserved" x9 L- f' @, T: ?! E* D, X9 _
&Name, // Array of names to get IDs for8 `$ D N7 K5 X- U4 g+ ~7 r) U" ^+ X
1, // # of names in the array% j# @/ g/ M% l: h0 A7 h* k
LOCALE_SYSTEM_DEFAULT, // System locale 0 S) U$ p6 b. [ &pokeID); // Array of IDs to fill on output6 {5 y- a$ P% k+ n/ Y& ^* D
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if (hr) ! A# Q3 s1 `) X$ Z6 i- _ {; e, W' m2 @8 o
MessageBox ("Get Poke Unsuccessful"); & M) K+ d+ _. X" ~7 a return;5 ^4 M& P6 w2 X6 Y& M1 T
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# c5 O0 X1 k- O' G) `( A/**************************传递数据给extend**************************************/! _/ K% I& a D6 ]3 i6 F
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3); & v! s' Q3 _( p6 L" h 7 i5 c, H1 a' X) Y
valueStr = SysAllocString((WCHAR *) L"1232");, y" ^; _8 D: _0 P& @# y* [
VariantInit(&pokeVariant[0]); 4 A* |- q% w% b' W7 g* ~0 t) ^$ R pokeVariant[0].vt = VT_BSTR; " ^ n7 t- C6 ]! Y pokeVariant[0].bstrVal = valueStr;) z- F. s& l! d
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");- X/ S: i% k- s' {9 |% } w
VariantInit(&pokeVariant[1]); + F" K% v+ [ v5 Q; \1 p1 r8 @" B
pokeVariant[1].vt = VT_BSTR;; ]+ n1 {" q* \* T3 i- v+ G
pokeVariant[1].bstrVal = itemStr;2 n5 q' N; h. H; f( X
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topicStr = SysAllocString((WCHAR *) L"system");3 k" s2 c, k; g6 {8 x( q4 y
VariantInit(&pokeVariant[2]); " ?3 M9 }/ U3 O pokeVariant[2].vt = VT_BSTR; + P" r5 i$ m: U6 v( n pokeVariant[2].bstrVal = topicStr;) O% x8 o7 ?5 {" E0 H6 a
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// Set the DISPPARAMS structure that holds the variant. / H+ `2 l; ~& a. u! a 4 g) R8 y; n$ M% f+ ] y" Y dp.rgvarg = pokeVariant; ! F- S: G6 j0 k. e8 C; I dp.cArgs = 3;. z! y4 U7 f! U h X k7 }/ M
dp.rgdispidNamedArgs = NULL; ! Q* c: l9 I: `/ O# W. \! I dp.cNamedArgs = 0;0 p3 l p- c, k0 t
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// Call IDispatch::Invoke() , u3 h6 L6 g! V7 N5 e. q: o ) I* c4 W8 d7 X) ~" d# { hr = m_pDisp->Invoke(5 j# v5 X/ {1 W) w& d8 G3 T% X
pokeID, 9 j) M: l8 J4 |6 l/ v IID_NULL, * w% B- `) D( c! v3 s9 m6 Q0 P1 o LOCALE_SYSTEM_DEFAULT, ; p+ k$ [, {! Z/ P5 a DISPATCH_METHOD, 2 u5 j% ?0 {3 ^ &dp, 4 M9 ?; p" [# L; _7 U9 F NULL, 0 @ U+ R; I' w% B: o+ ^ &ei, * U: Y/ K8 P- a/ q) H7 a% f5 O &uiErr); : W% T, l: q# W7 L# |8 o 4 Q( J5 |# x6 f; f SysFreeString(topicStr);( Y+ s, Z* B0 R" X
SysFreeString(itemStr);3 u% N/ R% K( i$ f. f) t
SysFreeString(valueStr); - r9 ?& X0 F7 I* P$ z w ) }' Y& z9 @) Y2 M f6 c: ~; @! b. G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???$ a% V3 F4 L4 y4 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???? 5 V# g! a; o) {# q; l) h& Q# P3 [2 E& x; S$ R7 `- L( |
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2.这是request的程序4 y$ l& e# `4 `$ ]0 ]
// Request a value from Extend0 Z! V3 e2 y a& u2 R; o) u7 D
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// Initialize the variant that will hold the BSTR. Set the variant's 2 u0 a ]5 N; R6 b// type flag to indicate the fact that this variant holds a BSTR. Place the" m6 d: ]; U8 Q( v0 v; ^8 g/ w
// BSTR into the variant structure. " a. |# @" f9 ]5 t9 ^2 i* W1 z5 j5 B& K8 ]
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);# E7 V( k4 C! ^6 G3 d
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");5 z. F6 D9 a. \% }2 }0 Q
VariantInit(&requestVariant[0]); 9 T% x" N6 i3 ?+ F4 F G V7 ?7 [7 Q% E requestVariant[0].vt = VT_BSTR;) A, W7 I. V' ]6 h# S4 Y
requestVariant[0].bstrVal = itemStr; + r+ ]- K' D2 N4 P" k 6 |' C* _$ t! o( T, b& F- x topicStr = SysAllocString((WCHAR *) L"system"); 7 a, V- o! k+ N) l VariantInit(&requestVariant[1]); 9 W2 _! L/ d( |$ h) v
requestVariant[1].vt = VT_BSTR; 3 R7 G8 Q* f3 F' a1 h* H requestVariant[1].bstrVal = topicStr;- R) G, u8 @( q+ W; w. z
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// Set the DISPPARAMS structure that holds the variant./ f4 M3 @9 x, g) I r" P
+ U S7 P9 z# c* y7 S! C. k dp2.rgvarg = requestVariant; - T [2 C5 i* S dp2.cArgs = 2; & K% C9 w: b4 A6 ^0 E/ _ ]" V1 h dp2.rgdispidNamedArgs = NULL;# K! m+ L$ X2 _2 _6 S1 [4 _4 g( g& d1 r
dp2.cNamedArgs = 0; 3 x! R) d2 c. `2 P6 ~2 n4 {. f9 }$ U6 s4 A& K
var.vt = VT_EMPTY; . j! t# J S! l5 u& C , A3 E; O, b7 T* V% I! D5 `2 b2 } x+ V// Call IDispatch::Invoke()! a* i* ~$ Q! x3 |$ ^
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hr = m_pDisp->Invoke( ) k# Q) n- \9 e: a( C5 W# U requestID, 0 C. r) ~3 v, Y- L# y) M3 [ IID_NULL, / U7 I" c2 G9 W# N2 f! e LOCALE_SYSTEM_DEFAULT, % P& D2 _! H4 `* z- b8 w! p4 Y DISPATCH_METHOD, ; Z* I! b# H, {7 A &dp2, % j; }5 Q$ P, _. K. h) I& M9 m &var,1 \1 e% t |: R( q
&ei, / V2 ^# @/ [# R &uiErr); % p4 P9 T& }2 R# O! x/ g 8 V/ ~5 s1 |# q+ J SysFreeString(topicStr); 9 {; |) z( y1 Y w) k SysFreeString(itemStr); 9 K, }4 d0 A+ S) p7 A8 x6 @请问该程序是获得extend里面的哪个值? 0 N' z. ~ w! b( |2 m0 }/ K5 O* e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????