复制代码 代码如下:

	

	[DllImport("kernel32.dll", EntryPoint = "GetSystemDefaultLCID")]

	        public static extern int GetSystemDefaultLCID();

	        [DllImport("kernel32.dll", EntryPoint = "SetLocaleInfoA")]

	        public static extern int SetLocaleInfo(int Locale, int LCType, string lpLCData);

	        public const int LOCALE_SLONGDATE = 0x20;

	        public const int LOCALE_SSHORTDATE = 0x1F;

	        public const int LOCALE_STIME = 0x1003;
	

		 
	

		        public void SetDateTimeFormat()

		        {

		            try

		            {

		                int x = GetSystemDefaultLCID();

		                SetLocaleInfo(x, LOCALE_STIME, "HH:mm:ss");        //时间格式 

		                SetLocaleInfo(x, LOCALE_SSHORTDATE, "yyyy-MM-dd");   //短日期格式   

		                SetLocaleInfo(x, LOCALE_SLONGDATE, "yyyy-MM-dd");   //长日期格式  

		            }

		            catch (Exception ex)

		            {

		                Console.WriteLine(ex);

		            }

		        }