ToolboxItem::ValidatePropertyType Method (String^, Object^, Type^, Boolean)
.NET Framework (current version)
Validates that an object is of a given type.
Assembly: System.Drawing (in System.Drawing.dll)
protected: void ValidatePropertyType( String^ propertyName, Object^ value, Type^ expectedType, bool allowNull )
Parameters
- propertyName
-
Type:
System::String^
The name of the property to validate.
- value
-
Type:
System::Object^
Optional value against which to validate.
- expectedType
-
Type:
System::Type^
The expected type of the property.
- allowNull
-
Type:
System::Boolean
true to allow null; otherwise, false.
| Exception | Condition |
|---|---|
| ArgumentNullException | value is null, and allowNull is false. |
| ArgumentException | value is not the type specified by expectedType. |
The ValidatePropertyType method is called as a helper method to the ValidatePropertyValue method.
.NET Framework
Available since 2.0
Available since 2.0
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