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Compiler Warning (level 1) CS1694

Invalid filename specified for preprocessor directive. Filename is too long or not a valid filename.

This warning occurs when using the #pragma checksum preprocessor directive. The file name specified is longer than 256 characters. To resolve this warning, use a shorter file name.

Example

The following sample generates CS1694.

C#
// cs1694.cs  
#pragma checksum "MyFile1234567890MyFile1234567890MyFile1234567890MyFile1234567890MyFile1234567890MyFile1234567890MyFile1234567890MyFile1234567890MyFile1234567890MyFile1234567890MyFile1234567890MyFile1234567890MyFile1234567890MyFile1234567890MyFile1234567890MyFile1234567890.txt" {00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F}   // CS1694  
class MyClass {}