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ToolboxItem::ValidatePropertyValue Method

Validates a property before it is assigned to the property dictionary.

Namespace:  System.Drawing.Design
Assembly:  System.Drawing (in System.Drawing.dll)

protected:
virtual Object^ ValidatePropertyValue(
	String^ propertyName, 
	Object^ value
)

Parameters

propertyName
Type: System::String

The name of the property to validate.

value
Type: System::Object

The value against which to validate.

Return Value

Type: System::Object
The value used to perform validation.

ExceptionCondition
ArgumentNullException

value is nullptr, and propertyName is "IsTransient".

The ValidatePropertyValue method is called whenever a value is set in the property dictionary. With this method, you can change the value of an object before committing it, or reject it by throwing an exception.

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

.NET Framework

Supported in: 3.5, 3.0, 2.0
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