本文整理匯總了C#中System.Web.UI.Design.WebControls.ListControlDesigner類的典型用法代碼示例。如果您正苦於以下問題:C# ListControlDesigner類的具體用法?C# ListControlDesigner怎麽用?C# ListControlDesigner使用的例子?那麽, 這裏精選的類代碼示例或許可以為您提供幫助。
ListControlDesigner類屬於System.Web.UI.Design.WebControls命名空間,在下文中一共展示了ListControlDesigner類的2個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的C#代碼示例。
示例1: GetDesignTimeHtml
//引入命名空間
using System;
using System.ComponentModel;
using System.Drawing;
using System.Diagnostics;
using System.Web.UI.WebControls;
using System.Web.UI.Design.WebControls;
namespace Examples.CS.WebControls.Design
{
// Create the SimpleRadioButtonListDesigner, which provides
// design-time support for a custom list class.
public class SimpleRadioButtonListDesigner : ListControlDesigner
{
SimpleRadioButtonList simpleRadioButtonList;
bool changedDataSource;
// Create the markup to display the control on the design surface.
public override string GetDesignTimeHtml()
{
string designTimeMarkup = null;
// Create variables to access the control
// item collection and back color.
ListItemCollection items = simpleRadioButtonList.Items;
Color oldBackColor = simpleRadioButtonList.BackColor;
// Check the property values and render the markup
// on the design surface accordingly.
try
{
if (oldBackColor == Color.Empty)
simpleRadioButtonList.BackColor = Color.Gainsboro;
if (changedDataSource)
items.Add("Updated to a new data source: " +
DataSource + ".");
// Call the base method to generate the markup.
designTimeMarkup = base.GetDesignTimeHtml();
}
catch (Exception ex)
{
// Catch any exceptions that occur.
designTimeMarkup = GetErrorDesignTimeHtml(ex);
}
finally
{
// Set the properties back to their original state.
simpleRadioButtonList.BackColor = oldBackColor;
items.Clear();
}
return designTimeMarkup;
} // GetDesignTimeHtml
public override void Initialize(IComponent component)
{
// Ensure that only a SimpleRadioButtonList can be
// created in this designer.
Debug.Assert(
component is SimpleRadioButtonList,
"An invalid SimpleRadioButtonList control was initialized.");
simpleRadioButtonList = (SimpleRadioButtonList)component;
base.Initialize(component);
} // Initialize
// If the data source changes, set a boolean variable.
public override void OnDataSourceChanged()
{
changedDataSource = true;
} // OnDataSourceChanged
} // SimpleRadioButtonListDesigner
} // Examples.CS.WebControls.Design
示例2:
//引入命名空間
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.ComponentModel;
using System.Security.Permissions;
namespace Examples.CS.WebControls.Design
{
// The SimpleRadioButtonList is a copy of the RadioButtonList.
// It uses the SimpleRadioButtonListDesigner for design-time support.
[AspNetHostingPermission(SecurityAction.Demand,
Level = AspNetHostingPermissionLevel.Minimal)]
[AspNetHostingPermission(SecurityAction.InheritanceDemand,
Level = AspNetHostingPermissionLevel.Minimal)]
[Designer(typeof(Examples.CS.WebControls.Design.
SimpleRadioButtonListDesigner))]
[DataBindingHandler(typeof(Examples.CS.WebControls.Design.
SimpleRadioButtonListDataBindingHandler))]
public class SimpleRadioButtonList : RadioButtonList
{
} // SimpleRadioButtonList
} // Examples.CS.WebControls.Design