FileDialog.ValidateNames Property

Gets or sets a value indicating whether the dialog box accepts only valid Win32 file names.

Namespace:  System.Windows.Forms
Assembly:  System.Windows.Forms (in System.Windows.Forms.dll)

public bool ValidateNames { get; set; }

Property Value

Type: System.Boolean
true if the dialog box accepts only valid Win32 file names; otherwise, false. The default value is true.

If the edit control contains anything but spaces when the user clicks OK, the dialog box returns the file name, whether it is valid or not. No default extension is added to the text.

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0, 1.1

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

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