>本文由ilikenba收集整理</P>0 J2 o4 M# N! }* g4 u) i, Q/ j2 i
>Edit控件作为密码输入框:</P>% A! F' |0 n5 Q. V
>Edit控件有一个PasswordChar属性,它的默认值为“#0”,当改变</P>
>
asswordChar的值后,即不为“#0”时,) w: [$ {; B- }6 r- P# o/ i# r
>的值为“#1”至“#9”时,
>密码输入状态的Edit毫无作用。
>void __fastcall TForm1::Button1Click(TObject *Sender)
>BitBlt(dc,0,0,Image1->Width,Image1->Height,Image1->
icture->Bitma</P>
>p->Canvas->Handle,5 K; y: v# O* k$ L. {
>void __fastcall TForm1::Edit1KeyPress(TObject *Sender, char &Key)
>将Edit控件的AutoSelect属性设为False.6 ?, `9 X! X% f; I
>void __fastcall TForm1::Edit1Enter(TObject *Sender)
>void __fastcall TForm1:
roEnter(TObject *Sender, char &Key)
>------------! l* a, ]* G2 ?
>Sender参数确定控件的TabOrder的值。寻找下一个Edit控件,当其TabOrder的</P>' v$ }: Q' X7 M
>值比本控件大一时,将焦点设置在该控件上,最后,% n7 c" B( t' v# {5 G
>改键引起的提示音。
>void __fastcall TForm1::Edit1KeyPress(TObject *Sender, char &Key)
>for(int i=0; i<
anel1->ControlCount; i++)! N8 D0 |5 g( a, |: j" v a
> }/ }( F6 L5 j/ W2 j! v
>Edit得OnKeyPress事件对应的是Windows得WM_CHAR消息, 2 R) O/ L+ t3 M) f9 l9 N0 R" Q
>void __fastcall TForm1::Button1Click(TObject *Sender)
arent=this;
>void __fastcall TForm1::Button3Click(TObject *Sender)# h6 ]! Q# m8 W4 f5 r. R* {# f| 欢迎光临 数学建模社区-数学中国 (http://www.madio.net/) | Powered by Discuz! X2.5 |