Asynchronous detects whether the specified file exists on the file system.

      Overload List

      FileExistsAsync(String, ExtendedAsyncCompletedEventHandler<Boolean>, Object)Asynchronous detects whether the specified file exists on the file system.FileExistsAsync(String, Object)Asynchronous detects whether the specified file exists on the file system.FileExistsAsync(String, SearchCondition, ExtendedAsyncCompletedEventHandler<Boolean>, Object)Asynchronously determines whether at least one file found that matches the specified search condition in the specified directory.FileExistsAsync(String, SearchCondition, Object)Asynchronously determines whether at least one file found that matches the specified search condition in the specified directory.FileExistsAsync(String)Asynchronous detects whether the specified file exists on the file system.FileExistsAsync(String, SearchCondition)Asynchronously determines whether at least one file found that matches the specified search condition in the specified directory.
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