NGWS SDK Documentation  

This is preliminary documentation and subject to change.
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Compiler Error CS1900

Warning level must be in the range 0-4

The /warn compiler option can only take one of five possible values (0, 1, 2, 3, or 4). Any other value passed to /warn will result in CS1900. For example, the following compiler option will result in CS1900:

/W:5