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:4 m9 v& |6 j: M3 s
Name = (WCHAR *) L"Poke"; 8 ]8 N. v0 ^% _- ^ : J% x. }9 {& o hr = m_pDisp->GetIDsOfNames (2 R/ s/ ]( N6 g0 f
IID_NULL, // reserved0 {! |* D. G! \$ d
&Name, // Array of names to get IDs for 8 t9 H$ n; Y/ k$ V9 |) N9 ] 1, // # of names in the array 1 N) u; s, P2 Z LOCALE_SYSTEM_DEFAULT, // System locale ; @7 h2 U: U. R: w9 |% o r &pokeID); // Array of IDs to fill on output / O3 y- b* E/ U- s& @4 [( z' K ) t. A1 [) o! f$ K2 [2 `9 R if (hr) ; T2 [' d, y6 c {8 g. \5 V& v+ @& r0 I% w( X# K
MessageBox ("Get Poke Unsuccessful");1 a3 O; ~, O, K& U
return; 1 i) {5 y5 |! S, Y D* ` }8 {/ F6 e: l9 G/ z9 F( K' p' S
! v5 e4 M# ^/ E) r- i( X- u/**************************传递数据给extend**************************************/ 6 |5 j9 M, b, `- b& Q8 g4 c pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);) x/ s: R! j6 N5 r7 X
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valueStr = SysAllocString((WCHAR *) L"1232");+ |& N9 }. r4 W! w+ g, G
VariantInit(&pokeVariant[0]); 5 }+ U9 t5 o! v2 c6 L7 C3 U
pokeVariant[0].vt = VT_BSTR;3 N' K( |' ^6 U9 m# X) X' Y
pokeVariant[0].bstrVal = valueStr;) {2 J! o% T1 C. F/ j! f. g
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); % u0 a1 ~/ _% g% K1 L VariantInit(&pokeVariant[1]); 3 p/ ]0 O; F6 d pokeVariant[1].vt = VT_BSTR; 2 E" X- ?; r! c pokeVariant[1].bstrVal = itemStr;, c. S' a# U, f! I! w
" Q' ]. J' ^( W+ s) D topicStr = SysAllocString((WCHAR *) L"system"); 8 W Z" L# ]) a' ?0 v3 Y VariantInit(&pokeVariant[2]); 4 ~' F5 H0 X. L' O pokeVariant[2].vt = VT_BSTR; ~4 o* @ d D3 B0 \; W pokeVariant[2].bstrVal = topicStr;- ^: w6 N% S2 I! _7 o. s6 _
) ^, h, F9 n, i) Q// Set the DISPPARAMS structure that holds the variant. ! G, U1 |/ w4 I% u6 {- n 2 r: m z2 Y- R dp.rgvarg = pokeVariant; & @% T( f" N' v! v3 W. N dp.cArgs = 3;# ^2 m/ D; P6 y# Q1 `7 `
dp.rgdispidNamedArgs = NULL; # Y$ X; S) b8 a" F' y/ p1 d dp.cNamedArgs = 0;- G( e8 U2 E- x' ~
2 Y: ~9 V" [, t9 T. t// Call IDispatch::Invoke() A) l8 V# i1 I# y7 {8 L * a' R X9 W1 O/ K* O hr = m_pDisp->Invoke( 0 a* g5 M- b% Q/ t9 n9 T! l pokeID, 7 R* [% o# [1 i: }" O IID_NULL,( M* I7 ~8 h% u$ @# a
LOCALE_SYSTEM_DEFAULT,; Y6 s9 `: S( e3 ~
DISPATCH_METHOD,7 C' Z1 R3 _# c5 t
&dp, & V4 s* u7 Q. F, f; n# t NULL, 7 B* C0 I* O. K4 ^/ l &ei,, P0 T2 v, o7 d5 v
&uiErr);: E4 J+ V" u( p5 ^
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SysFreeString(topicStr); 1 Y$ C/ `' M# N2 L) n* k SysFreeString(itemStr); 3 ^2 t) p! j2 @1 P6 ~9 N, m. x SysFreeString(valueStr); ^, K2 i. ` w% G# @- p& n$ `) @+ Q3 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??? 5 e, e9 R' ^- v- P6 H3 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???? 3 c# A8 _( W& n( f ?$ } $ Z1 _5 O# i9 i# T" k u1 a( v( t" e7 @: {3 H+ Y
2.这是request的程序 ) H3 l0 z* l: D9 Y1 m0 M// Request a value from Extend + B) Z& j. l# ]" v$ C% y! ~: L//' R* K# p+ s/ M4 g! \
// Initialize the variant that will hold the BSTR. Set the variant's8 x- N6 i b. y6 P! V4 V# Q
// type flag to indicate the fact that this variant holds a BSTR. Place the( A8 }- ^& W7 m w" N
// BSTR into the variant structure.' R; s H5 }. [' M6 E. W0 d
# h- S& C" A/ d$ I, ]+ ~ u+ M requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);3 V; q9 H( R/ ^6 s4 q
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); . o0 P/ |/ ^2 |5 _ VariantInit(&requestVariant[0]); 8 G) O- p& d& k requestVariant[0].vt = VT_BSTR;5 Z T# }; m1 L: h O8 Z
requestVariant[0].bstrVal = itemStr; B: M7 l+ l! q$ p6 H
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topicStr = SysAllocString((WCHAR *) L"system");7 A7 b- E/ ^1 g( c( @! m
VariantInit(&requestVariant[1]); 0 b E5 v1 s) U0 U7 R requestVariant[1].vt = VT_BSTR; % f! d: V* _" r1 l/ o( f# ? requestVariant[1].bstrVal = topicStr;$ _( r# a( p) i4 X9 K
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// Set the DISPPARAMS structure that holds the variant.% b; f/ b6 T# j6 {
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dp2.rgvarg = requestVariant; % A8 j% t9 m4 y Q9 R% Q dp2.cArgs = 2; G9 g. `8 g' U3 \8 ^' K" {) H
dp2.rgdispidNamedArgs = NULL; & ?- [ D! A$ h9 j; B dp2.cNamedArgs = 0;) d# W) l4 ]- M+ F) P