HelixToolkit Extension methods for strings. A regular expression containing "a one or more whitespaces" pattern. Splits the string on whitespace. The input string. Array of strings. Creates a string from the items in an enumerable. The items. The prefix. The separator. A string. Logs the specified log level. The type of the sg type. The log level. The MSG. The caller. Provide simple log interface for user to log helix toolkit internal logs. Logs the specified log level. The type of the sg type. The log level. The MSG. The caller. The trace The debug The information The warning The error Initializes a new instance of the class. Initializes a new instance of the class. The logger. Logs the specified log level. The type of the sg type. The log level. The MSG. The caller. Logs the specified log level. The type of the sg type. The log level. The MSG. The caller.