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Assembly.CreateInstance Method (String, Boolean)

Locates the specified type from this assembly and creates an instance of it using the system activator, with optional case-sensitive search.

Namespace: System.Reflection
Assembly: mscorlib (in mscorlib.dll)

public Object CreateInstance (
	string typeName,
	bool ignoreCase
public final Object CreateInstance (
	String typeName, 
	boolean ignoreCase
public final function CreateInstance (
	typeName : String, 
	ignoreCase : boolean
) : Object



The Type.FullName of the type to locate.


true to ignore the case of the type name; otherwise, false.

Return Value

An instance of Object representing the type, with culture, arguments, binder, and activation attributes set to a null reference (Nothing in Visual Basic), and BindingFlags set to Public or Instance, or a null reference (Nothing in Visual Basic) if typeName is not found.

Exception typeCondition


typeName is the empty string ("") or "\0anything".


No matching constructor was found.


typeName is a null reference (Nothing in Visual Basic).

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

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

.NET Framework

Supported in: 2.0, 1.1, 1.0