Gets or sets the key of the default image for each node in the TreeView control when it is in an unselected state.
Assembly: System.Windows.Forms (in System.Windows.Forms.dll)
The property is case-insensitive.
The and ImageIndex properties are mutually exclusive, meaning if one is set, the other is ignored. If you set the property, the ImageIndex property is automatically set to -1. Alternatively, if you set the ImageIndex property, the is automatically set to an empty string ("").
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.