The OrFilter class serves the same purpose as a logical-or operator. It states the items must match at least one of the filters it regroups in order to be processed.

Demonstrations

This example processes all the files that have the TXT or the EXE extension.

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Dim files As AbstractFile() = myFolder.GetFiles( New OrFilter( New NameFilter( "*.txt" ), _                                                  New NameFilter( "*.exe" ) ) )

C#	Copy Code
AbstractFile[] files = myFolder.GetFiles( new OrFilter( new NameFilter( "*.txt" ),                                           new NameFilter( "*.exe" ) ) );

Since using a pipe (|) in the constructor of a NameFilter class accomplishes the same thing as regrouping multiple NameFilter classes within an OrFilter class, the following code would be simpler.

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Dim files As AbstractFile() = myFolder.GetFiles( "*.txt|*.exe" )

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AbstractFile[] files = myFolder.GetFiles( "*.txt|*.exe" );

This example processes all the files that have the TXT extension or are greater than 10k in size. Again, we omit the creation of the NameFilter class around the name mask since it is already being created underneath.

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Dim filter = new SizeFilter() filter.MinSize = 10240 Dim files As AbstractFile() = myFolder.GetFiles( New OrFilter( "*.txt", filter ) )

C#	Copy Code
SizeFilter filter = new SizeFilter(); filter.MinSize = 10240; AbstractFile[] files = myFolder.GetFiles( new OrFilter( "*.txt", filter ) );