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A Win32 version of the Registry Editor for Windows NT/2000 used for editing, deleting and inserting system registry keys. Its functionality is more than regedit.exe in Windows NT/2000 system, and it is recommended that you use this program in the Windows NT/2000 operating system.
It breaks a string longer than 1,024 characters by inserting a null character within the string after 1,024 characters. Incase you open a REG_MULTI_SZ value that has a string that is longer than 1,024 characters and click OK to save it then the string is broken after 1,024 characters and a null character is inserted.
While Regedt32.exe reads from the dialog box, strings longer than 1,024 characters are truncated as EM_GETLINECOUNT and EM_LINEINDEX are being used, that returns only the length of the first line. Strings longer than 1,024 bytes are treated as multiple-line strings.
