public void Page_Loaded(object sender, RoutedEventArgs e)
{
firstOpen = true;
Timer checkForChange = new Timer();
DataContext = new XAMLStyles {
};
checkForChange.Interval = 1000;
checkForChange.Tick += (se, ea) => { try { if (Styles.themeChanged)
{
Dispatcher.Invoke(() => { DataContext = new XAMLStyles {
}; });
}
} catch { } };
checkForChange.Start();
DEVMODE vDevMode = new DEVMODE();
List <string> displayResolutions1 = new List <string>();
int i = 0;
while (EnumDisplaySettings(null, i, ref vDevMode))
{
displayResolutions1.Add($"{vDevMode.dmPelsWidth.ToString()} x {vDevMode.dmPelsHeight.ToString()} @{vDevMode.dmDisplayFrequency.ToString()}hz");
i++;
}
List <string> displayResolutions2 = new List <string>(displayResolutions1.Distinct());
List <string> displayResolutions3 = new List <string>(displayResolutions2);
bool firstPass = true;
string toCompare = "";
foreach (string str in displayResolutions2)
{
if (firstPass == false)
{
string[] bounds1;
string[] bounds2;
bounds1 = str.Split('@');
bounds2 = toCompare.Split('@');
bounds1[1] = bounds1[1].Substring(0, bounds1[1].Length - 2);
bounds2[1] = bounds2[1].Substring(0, bounds2[1].Length - 2);
if (bounds1[0] == bounds2[0])
{
if (Convert.ToInt32(bounds1[1]) > Convert.ToInt32(bounds2[1]))
{
displayResolutions3.Remove(toCompare);
}
else if (Convert.ToInt32(bounds1[1]) < Convert.ToInt32(bounds2[1]))
{
displayResolutions3.Remove(str);
}
else if (Convert.ToInt32(bounds1[1]) == Convert.ToInt32(bounds2[1]))
{
displayResolutions3.Remove(toCompare);
}
}
}
else
{
firstPass = false;
}
toCompare = str;
}
foreach (string resolution in displayResolutions3)
{
cboResolutions.Items.Add(new ComboBoxItem
{
Content = resolution,
Background = Styles.bc(Styles.border),
Foreground = Styles.bc(Styles.foreground),
BorderThickness = new Thickness(0),
Style = FindResource("cboItemStyle") as Style,
Height = 40,
VerticalContentAlignment = VerticalAlignment.Center
});
}
foreach (string resolution in displayResolutions3)
{
string[] bounds1;
bounds1 = resolution.Split('@');
if (bounds1[0].Contains(startScreenWidth.ToString()) && bounds1[0].Contains(startScreenHeight.ToString()))
{
cboResolutions.Text = resolution;
previousComboText = resolution;
break;
}
}
}
public static extern int EnumDisplaySettings(string deviceName, int modeNum, ref DEVMODE devMode);
public static extern int ChangeDisplaySettings(ref DEVMODE devMode, int flags);
public CResolution(int a, int b, int c)
{
Screen screen = Screen.PrimaryScreen;
int iWidth = a;
int iHeight = b;
int iFrequency = c;
DEVMODE dm = new DEVMODE();
dm.dmDeviceName = new String(new char[32]);
dm.dmFormName = new String(new char[32]);
dm.dmSize = (short)Marshal.SizeOf(dm);
if (0 != User_32.EnumDisplaySettings(null, User_32.ENUM_CURRENT_SETTINGS, ref dm))
{
dm.dmPelsWidth = iWidth;
dm.dmPelsHeight = iHeight;
dm.dmDisplayFrequency = iFrequency;
int iRet = User_32.ChangeDisplaySettings(ref dm, User_32.CDS_TEST);
if (iRet == User_32.DISP_CHANGE_FAILED)
{
msgBox.Show("Description: Unable To Process Your Request. Sorry For This Inconvenience.", "Information", options.b.ok);
}
else
{
iRet = User_32.ChangeDisplaySettings(ref dm, User_32.CDS_UPDATEREGISTRY);
switch (iRet)
{
case User_32.DISP_CHANGE_SUCCESSFUL:
{
if (Display.revertSettings == 0)
{
var result = msgBox.Show("Please press OK to confirm the new settings." +
"\nThis window will close and revert to the old settings in 10 seconds if you do not press anything.",
"Confirm changes", options.b.okCancel, 10);
if (result == "cancel" || result == null)
{
string[] bounds1;
string[] bounds2;
bounds1 = previousComboText.Split('@');
bounds1[1] = bounds1[1].Substring(0, bounds1[1].Length - 2);
bounds2 = bounds1[0].Split('x');
bounds2[0] = bounds2[0].Substring(0, bounds2[0].Length - 1);
bounds2[1] = bounds2[1].Substring(1);
bounds2[1] = bounds2[1].Substring(0, bounds2[1].Length - 1);
Display.revertSettings = 1;
CResolution ChangeRes = new CResolution(Convert.ToInt32(bounds2[0]), Convert.ToInt32(bounds2[1]), Convert.ToInt32(bounds1[1]));
Display.revertSettings = 0;
var dw = new Display();
}
else if (result == "ok")
{
Display.revertSettings = 0;
Display.previousComboText = $"{dm.dmPelsWidth} x {dm.dmPelsHeight} @{dm.dmDisplayFrequency}hz";
}
}
break;
//successfull change
}
case User_32.DISP_CHANGE_RESTART:
{
Display.revertSettings = 1;
CResolution ChangeRes = new CResolution(Display.startScreenWidth, Display.startScreenHeight, 60);
Display.revertSettings = 0;
//System.Windows.MessageBox.Show("Description: You Need To Reboot For The Change To Happen.\n If You Feel Any Problem After Rebooting Your Machine\nThen Try To Change Resolution In Safe Mode.", "Information", MessageBoxButton.OK, MessageBoxImage.Information);
break;
//windows 9x series you have to restart
}
default:
{
msgBox.Show("Description: Failed To Change The Resolution.", "Error updating display paramaters", options.b.ok);
break;
//failed to change
}
}
}
}
}