FileVersionInfo.IsPatched Property

Gets a value that specifies whether the file has been modified and is not identical to the original shipping file of the same version number.

Namespace:  System.Diagnostics
Assembly:  System (in System.dll)

public bool IsPatched { get; }

Property Value

Type: System.Boolean
true if the file is patched; otherwise, false.

The following example calls GetVersionInfo to get the FileVersionInfo for the Notepad. Then it displays the state of the Boolean IsPatched in a text box. This code assumes textBox1 has been instantiated.

private void GetIsPatched()
{
    // Get the file version for the notepad.
    FileVersionInfo myFileVersionInfo =
        FileVersionInfo.GetVersionInfo(Environment.SystemDirectory + "\\Notepad.exe");

    // Print whether the file has a patch installed.
    textBox1.Text = "File has patch installed: " + myFileVersionInfo.IsPatched;
}

.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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