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Performs actions needed when one or more columns in the grid are changed.
Source position: grids.pas line 1011
protected procedure TCustomGrid.ColumnsChanged( |
aColumn: TGridColumn |
); |
aColumn |
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Grid column instance for the notification, or Nil. |
ColumnsChanged is procedure used to perform actions needed when one or more Columns in the grid are changed. AColumn contains the column affected by the change, or signals a change to multiple columns when its value is unassigned (contains Nil).
When AColumn is Nil, the row or column count and/or fixed row or fixed column count has been changed. When AColumn contains a valid TGridColumn instance, the modified column is located in the Columns collection and the VisualChange method is called.
ColumnsChanged is called from methods like: SetFixedCols, SetRowCount, and OnTitleFontChanged. It is also called when the Update method in Columns is called for the TGridColumns collection.
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The number of fixed columns in the grid. |
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Number of rows in the grid. |
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Definitions for the columns displayed the grid. |
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Collection used to store column definitions for a grid control. |
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Implements a column definition used for tabular data in TCustomGrid. |
| Version 4.0 | Generated 2025-05-03 | Home |