NET 83
public class SampleClass
{
[SampleAttribute]
public virtual void SampleMethod()
{
//...
}
}
Attributes provide an object-oriented way to extend the declarative syntax of the .NET
Framework without having to resort to macros or some other outside mechanism to store
configuration information such as the registry.
Common Design-Time Attributes
Now that you have a bit of background on attributes, let??™s move on to design-time attributes for
server controls. Design-time attributes exist in the System.ComponentModel namespace. Table 2-2
provides a brief description of the most common design-time attributes.
Table 2-2. Common Design-Time Attributes
Attribute Description
BindableAttribute Indicates whether or not a property supports two-way
data binding
BrowsableAttribute Indicates whether or not a property or event should be listed in
a property browser
CategoryAttribute Specifies in which category a property or event should be listed
in the property browser
DefaultEvent Specifies the name of the default event for a class
DefaultProperty Specifies the name of the default property for a class
DefaultValue Sets the default value for a property
DescriptionAttribute Allows the property browser to display a brief description of
a property
DesignOnlyAttribute Specifies that a property can be set only at design time
EditorAttribute Associates a UI type editor with a property
TagPrefix Assembly-level attribute that indicates the tag prefix for a
control or set of controls within an assembly
ToolboxData Specifies default values for control attributes and customizes
the initial HTML content
TypeConverterAttribute Defines a custom type converter for a property
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