Type.IsAutoLayout Property
Gets a value indicating whether the fields of the current type are laid out automatically by the common language runtime.
Assembly: mscorlib (in mscorlib.dll)
Property Value
Type: System.Booleantrue if the Attributes property of the current type includes TypeAttributes.AutoLayout; otherwise, false.
Implements
_Type.IsAutoLayoutThis property is provided as a convenience. Alternatively, you can use the TypeAttributes.LayoutMaskenumeration value to select the type layout attributes, and then test whether TypeAttributes.AutoLayout is set. The TypeAttributes.AutoLayout,TypeAttributes.ExplicitLayout, and TypeAttributes.SequentialLayout enumeration values indicate the way the fields of the type are laid out in memory.
For dynamic types, you can specify TypeAttributes.AutoLayout when you create the type. In code, apply the StructLayoutAttribute attribute with the LayoutKind.Auto enumeration value to the type, to let the runtime determine the appropriate way to lay out the class.
Note |
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You cannot use the GetCustomAttributes method to determine whether the StructLayoutAttribute has been applied to a type. |
If the current Type represents a constructed generic type, this property applies to the generic type definition from which the type was constructed. For example, if the current Type represents MyGenericType<int> (MyGenericType(Of Integer) in Visual Basic), the value of this property is determined by MyGenericType<T>.
If the current Type represents a type parameter in the definition of a generic type or generic method, this property always returns false.
The following example creates an instance of the type and displays the IsAutoLayout property.
Imports System Imports System.Runtime.InteropServices Imports Microsoft.VisualBasic ' The Demo class is has the AutoLayout attribute. <StructLayoutAttribute(LayoutKind.Auto)> _ Public Class Demo End Class Public Class Example Public Shared Sub Main() ' Get the Type object for the Demo class. Dim myType As Type = GetType(Demo) ' Get and display the IsAutoLayout property of the ' Demo class. Console.WriteLine("The AutoLayout property for the Demo class is '{0}'.", _ myType.IsAutoLayout.ToString()) End Sub End Class
Available since 1.1
Silverlight
Available since 2.0
Windows Phone Silverlight
Available since 7.0
