Q qf0421 Unregistered / Unconfirmed GUEST, unregistred user! 2000-03-26 #1 如button1:Tbutton 怎样知道button1在程序运行时是否被生成?
歪 歪就歪 Unregistered / Unconfirmed GUEST, unregistred user! 2000-03-26 #2 用Assigned，例如： If Assigned(Button1) then
Q qf0421 Unregistered / Unconfirmed GUEST, unregistred user! 2000-03-26 #3 i have tried to use "assinged",when "button1" is never create, "assinged" can work(return false),but when ido create "button1" once,then free it.After this,i use "assinged" again,but it return <font color=clred>TRUE</font>?
i have tried to use "assinged",when "button1" is never create, "assinged" can work(return false),but when ido create "button1" once,then free it.After this,i use "assinged" again,but it return <font color=clred>TRUE</font>?
歪 歪就歪 Unregistered / Unconfirmed GUEST, unregistred user! 2000-03-26 #5 GOOD QUESTION！ 在你: Button1.Free时，要加一句： Button1 := nil 即可
Q qf0421 Unregistered / Unconfirmed GUEST, unregistred user! 2000-03-26 #6 接收答案. 唉,只是大富翁犯了个错误,我刚才明明输入30分, 可现在变成了100分. What's the matter?
K Kang Unregistered / Unconfirmed GUEST, unregistred user! 2000-03-26 #8 你没把RadioButton选到其它上吧。一下多70分，同乐同乐
