关于动态生存checkbox的问题

beil0eve 2008-11-28 02:56:33
我要在界面上动态生成chcekbox
checkbox的caption属性是由接受来的数据确定的
数据是一条条发过来的
每次不确定有多少条 也就不确定生成多少checkbox
每次刷新的时候前面的checkbox就要free掉
重新根据接受的数据来生成新的
位置也要自动排列
这个问题该怎么做
在线等
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zwk_9 2008-11-29
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如果非得用CheckBox的话,建议用控件数组(即4楼的方法)
genispan 2008-11-28
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你可以把checkbox放在一个panel上面 然后遍历上面的checkbox控件 如果存在 则free
然后 再按你的要求创建
yct0605 2008-11-28
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刚好做了一个创建动态控件的演示程序,把动态创建的例子给你参考:具体创建多少个用数组来装载
//初始化label数组
if Length(LabelArry)>0 then
begin
for i:=0 to Length(LabelArry)-1 do
begin
FreeAndNil(LabelArry[i]);
end;
end;
setlength(LabelArry,SimKGZT[0]);
for i:=0 to SimKGZT[0]-1 do
begin
LabelArry[i]:=TLabel.Create(self);
end;
for i:=0 to SimKGZT[0]-1 do
begin
LabelArry[i].Parent:=self;
LabelArry[i].Left:=SimKJZB[i][0];
LabelArry[i].Top:=SimKJZB[i][1];
LabelArry[i].Width:=30;
LabelArry[i].Height:=73;
LabelArry[i].AutoSize:=False;
LabelArry[i].Name:='lb'+inttostr(i+1);
LabelArry[i].Caption:='';
LabelArry[i].Transparent:=True;
LabelArry[i].Cursor:=crHandPoint;
LabelArry[i].Color:=clBlack;
LabelArry[i].Tag:=1;
LabelArry[i].Hint:='开/关';
LabelArry[i].ShowHint:=True;
LabelArry[i].Visible:=True;
LabelArry[i].OnClick:=btnClick;
end;
bdmh 2008-11-28
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为什么非要用checkbox呢,可以改用listview,chicklistbox呀,listview的item可以加checkbox,还可以保存data,可以存任意的数据
sunshinegyy 2008-11-28
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用CheckListBox不就可以了么
panrongzeng 2008-11-28
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定义一个足够你使用的chcekbox 数组
然后根据你数据生成多少个chcekbox。循环的排序
用完之后在循环释放掉。
Visual Basic 6编程技术大全 是非常详细和深入的Vb6学习教程,无论对初学者还是有经验的开发人员,都非常有帮助 第一部分基础篇1 第1章 VB6入门1 1.1 集成开发环境1 1.1.1 运行IDE1 1.1.2 选择工程类型1 1.1.3 IDE窗口2 1.1.4 菜单5 1.1.5 工具栏6 1.1.6 Toolbox7 1.2 第一个VB应用程序9 1.2.1 向窗体添加代码9 1.2.2 设置控件的属性10 1.2.3 为控件命名12 1.2.4 移动及重新调整控件尺寸13 1.2.5 设置Tab顺序13 1.2.6 添加代码14 1.2.7 运行和调试程序15 1.2.8 优化示例程序16 1.2.9 准备、编译、运行18 第2章关于窗体20 2.1 通用属性20 2.1.1 Left、Top、Width和Height属性21 2.1.2 ForeColor和BackColor属性21 2.1.3 Font属性23 2.1.4 Caption和Text属性24 2.1.5 Parent和Container属性25 2.1.6 Enabled和Visible属性25 2.1.7 hWnd属性26 2.1.8 TabStop和Tablndex属性26 2.1.9 MousePointer和Mouselcon属性27 2.1.10Tag属性28 2.1.11其他属性28 2.2 通用方法29 2.2.1 Move方法29 2.2.2 Refresh方法30 2.2.3 SetFocus方法30 2.2.4 ZOrder方法31 2.3 通用事件31 2.3.1 Click和DblClick事件31 2.3.2 Change事件32 2.3.3 GotFocus和LostFocus事件33 2.3.4 KeyPress、KeyDown和KeyUp事件33 2.3.5 MouseDown、MouseUp和 MouseMove事件35 2.4 Form对象37 2.4.1基本的Form属性37 2.4.2微调窗体的性能38 2.4.3 Form的生存期39 2.4.4 Controls集合43 2.4.5 Screen对象44 2.4.6打印文本45 2.4.7图形方法48 2.4.8 DrawMode属性51 2.4.9 ScaleMode属性54 2.4.10调色板支持56 第3章内部控件58 3.1TextBox控件58 3.1.1 运行时属性59 3.1.2捕获键盘活动60 3.1.3数字的校验例程61 3.1.4 CausesValidation属性和Validate事件63 3.1.5自动跳格字段65 3.1.6格式化文本65 3.1.7多行TextBox控件69 3.2 Label和Frame控件70 3.2.1 Label控件70 3.2.2 Frame控件71 3.3 CommandButton、CheckBox和 OptionButton控件71 3.3.1 CommandButton控件72 3.3.2 CheckBox控件72 3.3.3 OptionButton控件73 3.3.4使用图形化控件73 3.4 ListBox和ComboBox控件74 3.4.1 ListBox控件74 3.4.2 ComboBox控件81 3.5 PictureBox和Image控件83 3.5.1 PictureBox控件83 3.5.2 Image控件86 3.6滚动条控件86 3.7 DriveListBox、DirListBox和FileListBox控件89 3.8其他控件91 3.8.1Timer控件91 3.8.2 Line控件92 3.8.3 Shape控件92 3.8.4 OLE控件92 3.9菜单93 3.9.1运行时访问菜单94 3.9.2弹出式菜单95 3.10控件数组96 3.11共享事件过程97 3.11.1运行时创建控件97 3.11.2迭代控件数组中的项目98 3.11.3菜单项数组98 第4章变量与过程100 4.1变量的作用域和生存期100 4.1.1全局变量100 4.1.2模块级的变量101 4.1.3动态局部变量102 4.1.4静态局部变量102 4.2内置数据类型概述103 4.2.1整型数据类型103 4.2.2长整型数据类型104 4.2.3布尔数据类型104 4.2.4字节数据类型104 4.2.5单精度数据类型104 4.2.6双精度数据类型105 4.2.7字符串数据类型105 4.2.8货币数据类型106 4.2.9日期数据类型106 4.2.10对象数据类型106 4.2.11变量数据类型107
Visual Basic 6编程技术大全 是非常详细和深入的Vb6学习教程,无论对初学者还是有经验的开发人员,都非常有帮助 第一部分基础篇1 第1章 VB6入门1 1.1 集成开发环境1 1.1.1 运行IDE1 1.1.2 选择工程类型1 1.1.3 IDE窗口2 1.1.4 菜单5 1.1.5 工具栏6 1.1.6 Toolbox7 1.2 第一个VB应用程序9 1.2.1 向窗体添加代码9 1.2.2 设置控件的属性10 1.2.3 为控件命名12 1.2.4 移动及重新调整控件尺寸13 1.2.5 设置Tab顺序13 1.2.6 添加代码14 1.2.7 运行和调试程序15 1.2.8 优化示例程序16 1.2.9 准备、编译、运行18 第2章关于窗体20 2.1 通用属性20 2.1.1 Left、Top、Width和Height属性21 2.1.2 ForeColor和BackColor属性21 2.1.3 Font属性23 2.1.4 Caption和Text属性24 2.1.5 Parent和Container属性25 2.1.6 Enabled和Visible属性25 2.1.7 hWnd属性26 2.1.8 TabStop和Tablndex属性26 2.1.9 MousePointer和Mouselcon属性27 2.1.10Tag属性28 2.1.11其他属性28 2.2 通用方法29 2.2.1 Move方法29 2.2.2 Refresh方法30 2.2.3 SetFocus方法30 2.2.4 ZOrder方法31 2.3 通用事件31 2.3.1 Click和DblClick事件31 2.3.2 Change事件32 2.3.3 GotFocus和LostFocus事件33 2.3.4 KeyPress、KeyDown和KeyUp事件33 2.3.5 MouseDown、MouseUp和 MouseMove事件35 2.4 Form对象37 2.4.1基本的Form属性37 2.4.2微调窗体的性能38 2.4.3 Form的生存期39 2.4.4 Controls集合43 2.4.5 Screen对象44 2.4.6打印文本45 2.4.7图形方法48 2.4.8 DrawMode属性51 2.4.9 ScaleMode属性54 2.4.10调色板支持56 第3章内部控件58 3.1TextBox控件58 3.1.1 运行时属性59 3.1.2捕获键盘活动60 3.1.3数字的校验例程61 3.1.4 CausesValidation属性和Validate事件63 3.1.5自动跳格字段65 3.1.6格式化文本65 3.1.7多行TextBox控件69 3.2 Label和Frame控件70 3.2.1 Label控件70 3.2.2 Frame控件71 3.3 CommandButton、CheckBox和 OptionButton控件71 3.3.1 CommandButton控件72 3.3.2 CheckBox控件72 3.3.3 OptionButton控件73 3.3.4使用图形化控件73 3.4 ListBox和ComboBox控件74 3.4.1 ListBox控件74 3.4.2 ComboBox控件81 3.5 PictureBox和Image控件83 3.5.1 PictureBox控件83 3.5.2 Image控件86 3.6滚动条控件86 3.7 DriveListBox、DirListBox和FileListBox控件89 3.8其他控件91 3.8.1Timer控件91 3.8.2 Line控件92 3.8.3 Shape控件92 3.8.4 OLE控件92 3.9菜单93 3.9.1运行时访问菜单94 3.9.2弹出式菜单95 3.10控件数组96 3.11共享事件过程97 3.11.1运行时创建控件97 3.11.2迭代控件数组中的项目98 3.11.3菜单项数组98 第4章变量与过程100 4.1变量的作用域和生存期100 4.1.1全局变量100 4.1.2模块级的变量101 4.1.3动态局部变量102 4.1.4静态局部变量102 4.2内置数据类型概述103 4.2.1整型数据类型103 4.2.2长整型数据类型104 4.2.3布尔数据类型104 4.2.4字节数据类型104 4.2.5单精度数据类型104 4.2.6双精度数据类型105 4.2.7字符串数据类型105 4.2.8货币数据类型106 4.2.9日期数据类型106 4.2.10对象数据类型106 4.2.11变量数据类型107
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{25.5}Spring容器对Bean对象的管理}{436}{section.25.5} {25.5.1}lazy-init}{436}{subsection.25.5.1} {25.5.2}Bean对象的初始化与销毁}{437}{subsection.25.5.2} {25.6}AOP与代理模式}{437}{section.25.6} {25.6.1}动态代理模式}{438}{subsection.25.6.1} {25.6.2}Spring代理模式}{440}{subsection.25.6.2} {25.6.2.1}第一种情况}{440}{subsubsection.25.6.2.1} {25.6.2.2}第二种情况}{441}{subsubsection.25.6.2.2} {25.6.2.3}第三种情况:使用schema配置}{443}{subsubsection.25.6.2.3} {25.7}单例模式及Bean的作用域}{445}{section.25.7} {25.8}Spring JDBC}{446}{section.25.8} {25.9}Spring与Struts2集成}{448}{section.25.9} {25.10}Struts2, Spring, Hibernate}{450}{section.25.10} {25.10.1}spring-test: 使用注解方式测试}{455}{subsection.25.10.1} {25.11}Spring管理Hibernate}{456}{section.25.11} {25.12}分层管理Spring配置文件}{462}{section.25.12} {25.13}Spring中的Hibernate懒加载}{462}{section.25.13} {25.14}Spring中文过滤器}{463}{section.25.14} {25.15}Spring读取属性(.properties)文件}{464}{section.25.15} {25.16}Spring中的Hibernate数据库操作}{465}{section.25.16} {25.17}分页查询}{465}{section.25.17} \contentsline {chapter}{Todo list}{478}{lstnumber.-637.8} {A}T-GWAP}{480}{appendix.A} {A.1}PO}{480}{section.A.1} {A.2}DAO}{480}{section.A.2} {A.2.1}使用连接池}{480}{subsection.A.2.1} {A.3}BO}{485}{section.A.3} {A.3.1}ThreadLocal}{486}{subsection.A.3.1} {A.4}FC}{486}{section.A.4} {A.5}View}{486}{section.A.5} {A.6}框架}{486}{section.A.6} {A.6.1}简单工厂}{486}{subsection.A.6.1} {B}问题}{489}{appendix.B} \contentsline {chapter}{Index}{491}{section*.9} {B.0.2},}{491}{subsection.B.0.2}

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