public static Color GetColorFromImage(string sourceImagePath)
{
var outputColor = Color.Gray;
var sourceBitmap = new Bitmap(1, 1);
if (sourceImagePath == Environment.ExpandEnvironmentVariables(@"%windir%\Explorer.exe"))
{
outputColor = Color.FromArgb(255, 0, 130, 153);
}
else if (File.Exists(sourceImagePath) || Directory.Exists(sourceImagePath))
{
if (File.Exists(sourceImagePath))
{
sourceBitmap = Bitmap.FromHicon(Icon.ExtractAssociatedIcon(sourceImagePath).Handle);
}
else if (Directory.Exists(sourceImagePath))
{
var shinfo = new WinApi.ShFileInfo();
WinApi.SHGetFileInfo(sourceImagePath, 0, ref shinfo, (uint)Marshal.SizeOf(shinfo), 256);
sourceBitmap = Bitmap.FromHicon(shinfo.hIcon);
}
Color destColor;
using (var destBitmap = new Bitmap(1, 1))
using (var g = Graphics.FromImage(destBitmap))
{
g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;
g.DrawImage(sourceBitmap, 0, 0, 1, 1);
destColor = destBitmap.GetPixel(0, 0);
}
outputColor = Color.FromArgb(255, destColor.R, destColor.G, destColor.B);
}
return(outputColor);
}
public static void RestartSystem()
{
WinApi.ExitWindowsEx(WinApi.ExitWindowsAction.Reboot, 0);
}
public static void ShutDownSystem()
{
WinApi.ExitWindowsEx(WinApi.ExitWindowsAction.Shutdown, 0);
}
public static void SleepSystem()
{
WinApi.SetSuspendState(false, true, true);
}
public static void SignOut()
{
WinApi.ExitWindowsEx(WinApi.ExitWindowsAction.Force, 0);
}
public static void LockUserAccount()
{
WinApi.LockWorkStation();
}