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					@ -26,30 +26,38 @@ namespace Apewer.Internals | 
				
			
			
		
	
		
		
			
				
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					        public const string Postfix = ":Zone.Identifier"; | 
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					        public const string Postfix = ":Zone.Identifier"; | 
				
			
			
		
	
		
		
			
				
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					        public static bool FileExists(string path) => GetFileAttributes(path) != -1; | 
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					        /// <summary>获取标记的路径。</summary>
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					        public static string GetZoneIdentifier(string path) | 
				
			
			
				
				
			
		
	
		
		
			
				
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					        public static string DeleteZoneIdentifier(string path) | 
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					        { | 
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					        { | 
				
			
			
		
	
		
		
			
				
					
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					            if (!FileExists(path)) return "文件不存在。"; | 
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					            if (!File.Exists(path)) return null; | 
				
			
			
				
				
			
		
	
		
		
	
		
		
			
				
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					            try | 
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					            try | 
				
			
			
		
	
		
		
			
				
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					            { | 
				
			
			
		
	
		
		
			
				
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					                var info = new FileInfo(path); | 
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					                var info = new FileInfo(path); | 
				
			
			
		
	
		
		
			
				
					
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					                var streamPath = info.FullName + Postfix; | 
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					                var zoneIdentifier = info.FullName + Postfix; | 
				
			
			
				
				
			
		
	
		
		
			
				
					
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					                return zoneIdentifier; | 
				
			
			
				
				
			
		
	
		
		
			
				
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					                var streamExists = FileExists(streamPath); | 
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					                if (!streamExists) return null; | 
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					                var deleted = DeleteFile(streamPath); | 
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					                if (!deleted) return $"未能删除 {streamPath}。"; | 
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					                return null; | 
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					            } | 
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					            } | 
				
			
			
		
	
		
		
			
				
					
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					            catch (Exception ex) | 
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					            catch | 
				
			
			
				
				
			
		
	
		
		
	
		
		
			
				
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					            { | 
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					                return ex.Message; | 
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					                return null; | 
				
			
			
				
				
			
		
	
		
		
	
		
		
			
				
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					            } | 
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					            } | 
				
			
			
		
	
		
		
			
				
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					        } | 
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					        } | 
				
			
			
		
	
		
		
			
				
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					        /// <summary>检查标记是否存在。</summary>
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					        public static bool ZoneIdentifierExists(string zoneIdentifier) | 
				
			
			
		
	
		
		
			
				
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					            var attributes = GetFileAttributes(zoneIdentifier); | 
				
			
			
		
	
		
		
			
				
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					            var exists = attributes != -1; | 
				
			
			
		
	
		
		
			
				
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					            return exists; | 
				
			
			
		
	
		
		
			
				
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					        } | 
				
			
			
		
	
		
		
			
				
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					        /// <summary>删除标记。</summary>
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					        public static bool DeleteZoneIdentifier(string zoneIdentifier) | 
				
			
			
		
	
		
		
			
				
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					            var deleted = DeleteFile(zoneIdentifier); | 
				
			
			
		
	
		
		
			
				
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					            return deleted; | 
				
			
			
		
	
		
		
			
				
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					        } | 
				
			
			
		
	
		
		
			
				
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					    } | 
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					    } | 
				
			
			
		
	
		
		
			
				
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					} | 
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					} | 
				
			
			
		
	
	
		
		
			
				
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