如何遍历主窗体MainForm中所有的Button控件？

韩冰

- x9 K8 P4 N# K1 l r. o1 D. C, x一. AnsiString nameString("TButton"); " [0 F/ D! S' ]9 K0 f* ?* rTButton * button; for(int i=0; i < ComponentCount; i++) { //Check to see if the component is a TButton 0 y) x* m8 g; [$ Fif (Components->ClassNameIs(nameString)) t6 ] I9 e! t" t7 _7 }{ & l' k- M- f. K8 V/ G; }//cast the component to a TButton * " D5 r' S) {/ Y5 {8 e( W% V6 ybutton = (TButton *)Components; % z C# p, y% D" ]* Hbutton->Font->Name = "Courier"; ; _, R8 P( H4 Z' ^+ P ......

* k2 M# k G. x2 s# ^) `' n) ?

: v/ W: v4 W9 K q# |二. 7 t! n% A2 P! \, l6 O: |* ]+ L: Q我想动态创建和静态创建都没有太大区别，只要它属于你的MainForm。( new TButton(this) ). 用一个需循环 TButton* button; ; C2 S. t/ D; X% [) lfor(int i=0;i<MainForm->ComponentCount;i++){ $ H1 x$ w; N) t- Z& }7 _# Aif((button= dynamic_cast<TButton*>(MainForm->Components)) != NULL ) button->Caption="Button"; }