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:2 C6 L" w/ u5 h: G& [* q& S
Name = (WCHAR *) L"Poke";$ X" S- X6 V) K+ F
. v7 J! B+ q( n" {" r hr = m_pDisp->GetIDsOfNames (( s: q; n+ @, ?* d6 i; t o2 e
IID_NULL, // reserved& E/ d; E; L2 [2 ]- @' [2 |
&Name, // Array of names to get IDs for " ?+ K& ~- G g1 @) Y6 f 1, // # of names in the array- D7 Y& n- q! Y, \8 d3 {4 x
LOCALE_SYSTEM_DEFAULT, // System locale8 C) s5 W) P' g! ^
&pokeID); // Array of IDs to fill on output1 q9 _( f p9 {7 a
1 w1 L8 e% Z& f7 H4 l if (hr) + R/ [; K! p6 G# E! @ {4 G4 n, D# ?: t7 g( {# ^5 f
MessageBox ("Get Poke Unsuccessful"); , G. U' ~' p0 a* M7 c; B return; % \4 l- s; {* D4 q/ j* C } , ^/ Q' f3 Z! u4 I+ T/ b 9 s3 d+ z* A- o4 V/**************************传递数据给extend**************************************/! u |: b' j- F6 C! x# I
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3); / F- ?4 S; }! k; o4 @ + R: X, c5 D* @ valueStr = SysAllocString((WCHAR *) L"1232"); r8 F! C2 `# y3 |) d* c
VariantInit(&pokeVariant[0]); - ]5 C- Q2 h7 k5 ]$ A- g2 {1 _
pokeVariant[0].vt = VT_BSTR; ' n* n' `) c$ ^3 y# K pokeVariant[0].bstrVal = valueStr; - B k5 X6 C9 a6 c8 @( r + Z. z! Z3 P* Z3 c) c itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");1 d. i1 ]7 L G2 c9 \) P
VariantInit(&pokeVariant[1]); ( a6 H- y0 D4 c* {! @( X
pokeVariant[1].vt = VT_BSTR; 2 O6 G- ^2 p! w( ^* x2 w! `; Q pokeVariant[1].bstrVal = itemStr;* i7 q+ o: K+ R6 e$ a% ?
2 K" T) h/ C1 o6 z' ] topicStr = SysAllocString((WCHAR *) L"system"); 2 y! z3 o4 S/ _ VariantInit(&pokeVariant[2]); 5 a% S/ S- Y+ K/ p' t pokeVariant[2].vt = VT_BSTR; i8 U5 b4 L3 T5 F K7 e
pokeVariant[2].bstrVal = topicStr; 9 G) g% X% A, x# \* [1 G! d) q$ ] O
// Set the DISPPARAMS structure that holds the variant.4 Z9 t5 }6 d% N9 T' s# S
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dp.rgvarg = pokeVariant;; h# b2 j9 H1 p" U: i! w
dp.cArgs = 3;9 T8 X ~, U9 u
dp.rgdispidNamedArgs = NULL;! J- ?- r/ Z4 @2 A: K
dp.cNamedArgs = 0; & f( I5 x$ j& {! a7 x" a ' K( L! g* m1 C y7 o. a5 Y// Call IDispatch::Invoke() / P X8 a9 U, r4 b! k: J( v, c. O: p' t: ]; ^2 x/ r$ C
hr = m_pDisp->Invoke( - n$ m; b( D$ b: u- q pokeID, , c( }1 ?. t" k" Y$ K IID_NULL,; g( t* T- H7 i7 d* G
LOCALE_SYSTEM_DEFAULT,( A! H" O/ c5 O* i; L
DISPATCH_METHOD,+ k. S+ Y. [7 R8 f+ A/ e
&dp,6 _; N8 f. R9 J# p. P
NULL,4 q8 i6 f9 D/ Q5 x: ?) d# U
&ei,2 e; R( y' a% Q& U5 L. V n
&uiErr); % J: r7 r7 _0 h/ L0 R# U; ?8 q5 Y1 ?2 Z . F$ |+ R: i5 L1 j. h; F/ S SysFreeString(topicStr); / Y* ~1 H" A+ H* a+ X* L SysFreeString(itemStr);) v( @; k: p4 \( N2 F' Z
SysFreeString(valueStr); , b: U( Q2 K) d9 A: e- |: f0 B1 N * P6 ]* Y6 J! J( k8 f8 F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??? 5 p/ z4 j6 T' Y5 f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???? 8 E. s7 i2 J" t4 D $ J& b2 h/ o: {- t7 q8 L3 p2 y, d2 P. Y6 T
2.这是request的程序 ; Y) R0 B% C8 Q& g// Request a value from Extend+ y {4 C5 Z6 I3 ]% ^5 u& k6 i
// v! u: q" s3 N9 S& K; t0 I
// Initialize the variant that will hold the BSTR. Set the variant's/ }, C3 t7 l+ s5 r; N
// type flag to indicate the fact that this variant holds a BSTR. Place the , ~( k9 s% B- D+ p& i% ~// BSTR into the variant structure.. {1 q5 d& q. Y+ I7 L
/ c+ R F3 Y- \" ^: C5 T
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);$ c, |! i, s3 {% I- y4 A# A- p
' y6 o7 J( n) m0 K& T* ^; {0 O
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); + M6 A m+ D& R) ^: d VariantInit(&requestVariant[0]); 5 `/ K& u& l4 o( j
requestVariant[0].vt = VT_BSTR;' ]# P7 R, ~+ n" d! D) C7 c
requestVariant[0].bstrVal = itemStr; 2 B+ Q( w& f$ w + X5 W( p7 M0 \- b4 S8 ]+ x topicStr = SysAllocString((WCHAR *) L"system");6 g- U( o8 y2 W% G& r, r9 [
VariantInit(&requestVariant[1]); & L5 j. l# G" }
requestVariant[1].vt = VT_BSTR; . `, p* c8 u( x2 j0 O requestVariant[1].bstrVal = topicStr; 8 e/ g$ L5 W3 Y( {1 s4 \3 P& W 4 F0 S) o4 S" {, _$ [// Set the DISPPARAMS structure that holds the variant.5 |2 N# T# U2 B9 A+ b! `
+ W5 B7 p" d8 x+ z dp2.rgvarg = requestVariant;* R/ H/ v, U M5 q- w+ w; X8 w! U" n: {
dp2.cArgs = 2; : d! K3 |$ r. X* d& M( R dp2.rgdispidNamedArgs = NULL; 6 `% O' g* @+ O! V3 h dp2.cNamedArgs = 0; 9 u! z' E9 R2 j ' r% b% T* r7 Y var.vt = VT_EMPTY; 0 O0 ]& _+ ^; k; D. O ( c$ |! H- p7 C$ N// Call IDispatch::Invoke(): [! L" M# E4 ?, I
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hr = m_pDisp->Invoke( / @5 n9 ^& G) O6 Q) T8 A requestID,- q& @6 F- v/ }8 }* T
IID_NULL, . v, i+ U+ m9 G& T+ H LOCALE_SYSTEM_DEFAULT, 7 k( C7 ~6 [$ ? C# F$ \# v DISPATCH_METHOD,& P$ X4 U7 d$ W+ m8 o* O7 I
&dp2, , h9 F I, e. }1 | &var, & @( A5 A% w- [6 j. p" \. i. M &ei,* H3 I' E a5 k( g/ Y
&uiErr); , N$ r; p2 h+ a# z# y% ?: F) O8 B; n: ~; ~% L
SysFreeString(topicStr); ( {+ O+ [! I7 f) [6 i SysFreeString(itemStr); ' n/ P2 m) G5 h3 V4 F p请问该程序是获得extend里面的哪个值?$ n J/ o, V) M* o7 h8 {
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????