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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.

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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