TextBoxRenderer.IsSupported Property
Gets a value indicating whether the TextBoxRenderer class can be used to draw a text box with visual styles.
Namespace: System.Windows.Forms
Assembly: System.Windows.Forms (in System.Windows.Forms.dll)
Property Value
Type: System.Booleantrue if the user has enabled visual styles in the operating system and visual styles are applied to the client area of application windows; otherwise, false.
If this property is false, the DrawTextBox method will throw an InvalidOperationException.
The following code example uses the IsSupported property to determine whether to use the DrawTextBox method. This code example is part of a larger example provided for the TextBoxRenderer class.
// Use DrawText with the current TextFormatFlags. protected override void OnPaint(PaintEventArgs e) { base.OnPaint(e); if (TextBoxRenderer.IsSupported) { TextBoxRenderer.DrawTextBox(e.Graphics, textBorder, this.Text, this.Font, textRectangle, textFlags, TextBoxState.Normal); this.Parent.Text = "CustomTextBox Enabled"; } else { this.Parent.Text = "CustomTextBox Disabled"; } }
Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
