protected override void ProcessRecord()
{
DisplayData data = Display.GetCurrentDisplaySettings();
data.Width = this.Width;
data.Height = this.Height;
data.ColorDepth = this.ColorDepth < 0 ? data.ColorDepth : this.ColorDepth;
data.ScreenRefreshRate = this.Frequency < 0 ? data.ScreenRefreshRate : this.Frequency;
// ensure the new settings exist, unless forcing the display
if (!_force)
{
IList <DisplayData> list = Display.GetDisplaySettings();
data = Display.FindData(list, data);
if (data == null)
{
throw new NotSupportedException("No matching display setting found.");
}
}
// check the -whatif parameter
string msg = "Display settings " + data.GetDisplayText();
if (!ShouldProcess(msg))
{
return;
}
// check the users intention
if (!_noPrompt)
{
msg = "Set display settings to " + data.GetDisplayText() + "?";
if (!ShouldContinue(msg, "Warning!"))
{
return;
}
}
// and finally go
string err;
if (Display.ChangeSettings(data, out err) != 0)
{
throw new NotSupportedException("Error setting values: " + err);
}
if (err != null)
{
WriteWarning("Error setting values: " + err);
}
else
{
msg = "Display settings set to " + data.GetDisplayText();
WriteVerbose(msg);
}
}