Adds a new PageColumnDef initialized with the default Width and Spacing to the current collection.

Adds a PageColumnDef to the current collection.

Adds a new PageColumnDef initialized with the specified width and spacing to the current collection.

Removes all objects from the CollectionBase instance. This method cannot be overridden.

Compares the current collection to another. Uses the Compare(PageColumnDef) to compare elements elements at the corresponding positions by their properties' values.

Returns an enumerator that iterates through the CollectionBase instance.

Returns the index of the specified PageColumnDef in the current collection.

Inserts a PageColumnDef into the current collection.

Performs additional custom processes when clearing the contents of the CollectionBase instance.

Performs additional custom processes after clearing the contents of the CollectionBase instance.

Performs additional custom processes before inserting a new element into the CollectionBase instance.

Performs additional custom processes after inserting a new element into the CollectionBase instance.

Performs additional custom processes when removing an element from the CollectionBase instance.

Performs additional custom processes after removing an element from the CollectionBase instance.

Performs additional custom processes before setting a value in the CollectionBase instance.

Performs additional custom processes after setting a value in the CollectionBase instance.

Performs additional custom processes when validating a value.

Removes a PageColumnDef from the current collection.

Removes the element at the specified index of the CollectionBase instance. This method is not overridable.

Adds an object to the end of the CollectionBase.

Determines whether the CollectionBase contains a specific element.

Copies the entire CollectionBase to a compatible one-dimensional Array, starting at the specified index of the target array.

Searches for the specified Object and returns the zero-based index of the first occurrence within the entire CollectionBase.

Inserts an element into the CollectionBase at the specified index.

Removes the first occurrence of a specific object from the CollectionBase.