Controlling the Visibility of Bands and Columns

The following operations allow end-users to change the visibility of bands:

Action	Effect
Clicking items within the Quick Band Customization dropdown.	Shows or hides corresponding bands.
Dragging band headers to the customization form.	Hides corresponding bands. End-users can invoke the customization form via the column header context menu.
Dragging band headers and dropping them outside the band header panel.	Hides corresponding bands. This action can be performed when the OptionsCustomizing.BandHiding property is set to `True` or the customization form is displayed.
Dragging band headers from the customization form and dropping them within the band header panel.	Shows corresponding bands.

Note

Use the TreeList control’s OptionsCustomizing.BandCustomizing and OptionsCustomizing.BandMoving properties to prohibit end-users from moving bands or customizing them using the customization form. Use a band’s Options.Customizing and Options.Moving properties to prohibit moving or customizing individual bands. To respond to end-user changes made to the visibility of bands, handle the TreeList control’s OnBandPosChanged event.

The following operations allow end-users to change the visibility of columns:

Action	Effect
Clicking items within the Quick Column Customization dropdown.	Shows or hides corresponding columns.
Dragging column headers to the customization form.	Hides corresponding columns.
Dragging column headers and dropping them outside the column header panel.	Hides corresponding columns. This action can be performed when the OptionsCustomizing.ColumnHiding property is set to True or the customization form is displayed.
Dragging column headers from the customization form and dropping them within the column header panel.	Shows corresponding columns.
Clicking the ‘Remove this Column’ item within the column header context menu.	Hides the column located under the mouse pointer.

Note

Use the TreeList control’s OptionsCustomizing.ColumnCustomizing and OptionsCustomizing.ColumnMoving properties to prohibit end-users from moving columns or customizing them using the customization form. Use a column’s Options.Customizing and Options.Moving properties to prohibit moving or customizing individual columns. To respond to end-user changes made to the visibility of columns, handle the TreeList control’s OnColumnPosChanged event.