DataGridView.AutoResizeRowHeadersWidth Method (DataGridViewRowHeadersWidthSizeMode, Boolean, Boolean)

Adjusts the width of the row headers 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(
	DataGridViewRowHeadersWidthSizeMode rowHeadersWidthSizeMode,
	bool fixedColumnHeadersHeight,
	bool fixedRowsHeight
)

Parameters

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.

fixedRowsHeight
Type: System.Boolean

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

ExceptionCondition
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. The width of the row headers is adjusted only once per method call; 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 fixedRowsHeight 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.

.NET Framework

Supported in: 4.5, 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

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

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