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DataGridView.AutoResizeRowHeadersWidth Method (Int32, DataGridViewRowHeadersWidthSizeMode, Boolean, Boolean)

Adjusts the width of the row headers based on changes to the contents of the header in the specified row and using the specified size mode, optionally calculating the width with the expectation that the row and/or column header widths will subsequently be adjusted.

Namespace:  System.Windows.Forms
Assembly:  System.Windows.Forms (in System.Windows.Forms.dll)

protected void AutoResizeRowHeadersWidth(
	int rowIndex,
	DataGridViewRowHeadersWidthSizeMode rowHeadersWidthSizeMode,
	bool fixedColumnHeadersHeight,
	bool fixedRowHeight
)

Parameters

rowIndex
Type: System.Int32

The index of the row containing the header with the changed content.

rowHeadersWidthSizeMode
Type: System.Windows.Forms.DataGridViewRowHeadersWidthSizeMode

One of the DataGridViewRowHeadersWidthSizeMode values.

fixedColumnHeadersHeight
Type: System.Boolean

true to calculate the new width based on the current height of the column headers; false to calculate the width with the expectation that the height of the column headers will also be adjusted.

fixedRowHeight
Type: System.Boolean

true to calculate the new width based on the current height of the specified row; false to calculate the width with the expectation that the row height will also be adjusted.

ExceptionCondition
ArgumentOutOfRangeException

rowIndex is not in the valid range of 0 to the number of rows minus 1.

ArgumentException

rowHeadersWidthSizeMode has the value EnableResizing or DisableResizing.

InvalidEnumArgumentException

rowHeadersWidthSizeMode is not a valid DataGridViewRowHeadersWidthSizeMode value.

This method is useful if you want to control when the row headers resize if only the contents of the header in the specified row have changed as a result of user edits or changes to a bound data source. The width of the row headers is adjusted only once per method call if the content change requires it; if the contents of the row headers later change, the row headers will not automatically adjust. To set the row headers to automatically resize when their contents change, use the RowHeadersWidthSizeMode property.

This method lets you specify a sizing mode that calculates the new width based on values in a limited set of headers, such as those in displayed rows only. This improves performance when the control contains a large number of rows.

This overload is protected, and is designed to enable you to achieve ideal cell height-to-width ratios in a derived DataGridView class. If the fixedColumnHeadersHeight or fixedRowHeight parameters are false, the width of the row headers will be calculated with the expectation that you will call methods such as AutoResizeRows and AutoResizeColumnHeadersHeight next.

For more information about programmatic resizing, see Sizing Options in the Windows Forms DataGridView Control.

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

.NET Framework

Supported in: 3.5, 3.0, 2.0

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