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View this topic on docs.devexpress.com (Learn more)

How to: Freeze and Unfreeze Rows and Columns

This example demonstrates how to freeze visible Rows and Columns above and to the left of an active cell in a Worksheet.

The following cases are handled:

  • If an active cell is outside the visible cell range or it matches the top left visible cell, no rows and columns are frozen.

  • If an active cell is located in the leftmost visible column, only visible rows above the active cell are frozen. The Worksheet.FreezeRows method is called.

  • If an active cell is located in the topmost visible row, only visible columns to the left of the active cell are frozen. The Worksheet.FreezeColumns method is called.

  • Otherwise, both visible rows and columns above and to the left of the active cell are frozen. The Worksheet.FreezePanes method is called.

Use the SpreadsheetControl.VisibleRange property to obtain the currently visible range. To access an active cell, use the SpreadsheetControl.ActiveCell property.

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