zoukankan
html css js c++ java
Winform下的Datagrid的列风格(3)—DataGridTimePickerColumn(转)
class
DataGridTimePickerColumn : DataGridColumnStyle
{
private
DateTimePicker myDateTimePicker
=
new
DateTimePicker();
//
The isEditing field tracks whether or not the user is
//
editing data with the hosted control.
private
bool
isEditing;
public
DataGridTimePickerColumn() :
base
()
{
myDateTimePicker.Visible
=
false
;
}
protected
override
void
Abort(
int
rowNum)
{
isEditing
=
false
;
myDateTimePicker.ValueChanged
-=
new
EventHandler(TimePickerValueChanged);
Invalidate();
}
protected
override
bool
Commit
(CurrencyManager dataSource,
int
rowNum)
{
myDateTimePicker.Bounds
=
Rectangle.Empty;
myDateTimePicker.ValueChanged
-=
new
EventHandler(TimePickerValueChanged);
if
(
!
isEditing)
return
true
;
isEditing
=
false
;
try
{
DateTime value
=
myDateTimePicker.Value;
SetColumnValueAtRow(dataSource, rowNum, value);
}
catch
(Exception)
{
Abort(rowNum);
return
false
;
}
Invalidate();
return
true
;
}
protected
override
void
Edit(
CurrencyManager source,
int
rowNum,
Rectangle bounds,
bool
readOnly,
string
instantText,
bool
cellIsVisible)
{
DateTime value
=
(DateTime)
GetColumnValueAtRow(source, rowNum);
if
(cellIsVisible)
{
myDateTimePicker.Bounds
=
new
Rectangle
(bounds.X
+
2
, bounds.Y
+
2
,
bounds.Width
-
4
, bounds.Height
-
4
);
myDateTimePicker.Value
=
value;
myDateTimePicker.Visible
=
true
;
myDateTimePicker.ValueChanged
+=
new
EventHandler(TimePickerValueChanged);
}
else
{
myDateTimePicker.Value
=
value;
myDateTimePicker.Visible
=
false
;
}
if
(myDateTimePicker.Visible)
DataGridTableStyle.DataGrid.Invalidate(bounds);
}
protected
override
Size GetPreferredSize(
Graphics g,
object
value)
{
return
new
Size(
100
, myDateTimePicker.PreferredHeight
+
4
);
}
protected
override
int
GetMinimumHeight()
{
return
myDateTimePicker.PreferredHeight
+
4
;
}
protected
override
int
GetPreferredHeight(Graphics g,
object
value)
{
return
myDateTimePicker.PreferredHeight
+
4
;
}
protected
override
void
Paint(Graphics g,
Rectangle bounds,
CurrencyManager source,
int
rowNum)
{
Paint(g, bounds, source, rowNum,
false
);
}
protected
override
void
Paint(
Graphics g,
Rectangle bounds,
CurrencyManager source,
int
rowNum,
bool
alignToRight)
{
Paint(
g,bounds,
source,
rowNum,
Brushes.Red,
Brushes.Blue,
alignToRight);
}
protected
override
void
Paint(
Graphics g,
Rectangle bounds,
CurrencyManager source,
int
rowNum,
Brush backBrush,
Brush foreBrush,
bool
alignToRight)
{
DateTime date
=
(DateTime)
GetColumnValueAtRow(source, rowNum);
Rectangle rect
=
bounds;
g.FillRectangle(backBrush,rect);
rect.Offset(
0
,
2
);
rect.Height
-=
2
;
g.DrawString(date.ToString(
"
d
"
),
this
.DataGridTableStyle.DataGrid.Font,
foreBrush, rect);
}
protected
override
void
SetDataGridInColumn(DataGrid value)
{
base
.SetDataGridInColumn(value);
if
(myDateTimePicker.Parent
!=
null
)
{
myDateTimePicker.Parent.Controls.Remove
(myDateTimePicker);
}
if
(value
!=
null
)
{
value.Controls.Add(myDateTimePicker);
}
}
private
void
TimePickerValueChanged(
object
sender, EventArgs e)
{
this
.isEditing
=
true
;
base
.ColumnStartedEditing(myDateTimePicker);
}
}
查看全文
相关阅读:
lombok 的使用
SpringData Redis 常见操作(基于模板类RedisTemplate )
Django,静态文件配置
django简介与MTV,MVC
HTTP请求响应,及工作原理
阿萨斯
,
javastrip
css
html
原文地址:https://www.cnblogs.com/yitian/p/1289999.html
最新文章
云主机被挖矿解决方法
snn剖析
CSS 盒子模型:"box model"这一术语是用来设计和布局时使用
CSS 表格:表格边框、折叠边框、表格宽度和高度、文字对齐、表格填充、表格颜色
CSS 列表:有序列表/无序列表
CSS 链接:不同的链接可以有不同的样式
CSS 字体:字型、字体系列、字体样式、字体大小
CSS 文本格式:对齐方式、文本修饰、文本转换、文本缩进
CSS 背景:CSS 属性定义背景效果
CSS 创建:格式化 HTML 文档,插入样式表的三种方法
热门文章
CSS Id 和 Class:元素中设置"id" 和 "class"选择器
CSS 语法:选择器,以及一条或多条声明:
SpringCloud的介绍以及快速入门
SpringBoot整合SpringSecurity,页面使用jsp
Spring Security基于类和方法授权操作及异常页面的处理
Spring Security设置自动登录和显示当前认证用户名
SpringSecurity设置用户状态
SpringSecurity使用数据库数据完成认证
SpringSecurity使用自定义认证页面和退出认证
权限管理的介绍和Spring Security快速入门
Copyright © 2011-2022 走看看