DataGridViewRowHeadersWidthSizeMode Enumeration
Defines values for specifying how the row header width is adjusted.
Assembly: System.Windows.Forms (in System.Windows.Forms.dll)
| Member name | Description | |
|---|---|---|
| EnableResizing | Users can adjust the column header width with the mouse. | |
| DisableResizing | Users cannot adjust the column header width with the mouse. | |
| AutoSizeToAllHeaders | The row header width adjusts to fit the contents of all the row header cells. | |
| AutoSizeToDisplayedHeaders | The row header width adjusts to fit the contents of all the row headers in the currently displayed rows. | |
| AutoSizeToFirstHeader | The row header width adjusts to fit the contents of the first row header. |
By default, users can resize the width of the row headers. You can disable this ability to set a fixed width, or you can use a content-based automatic sizing mode, which also disables user resizing.
The DataGridView control can adjust the width of its row headers to fit all their contents, only the contents of the first header, or only the contents of currently displayed headers. Calculating the new width using a subset of headers is useful to avoid a performance penalty when working with many rows of data.
This enumeration is used by the DataGridView control RowHeadersWidthSizeMode property and AutoResizeRowHeadersWidth method.
For more information about sizing modes, see Sizing Options in the Windows Forms DataGridView Control.
The following code example illustrates the use of this enumeration in a display-only, non-interactive DataGridView control.
' Configures the appearance and behavior of a DataGridView control. Private Sub InitializeDataGridView() ' Initialize basic DataGridView properties. dataGridView1.Dock = DockStyle.Fill dataGridView1.BackgroundColor = Color.LightGray dataGridView1.BorderStyle = BorderStyle.Fixed3D ' Set property values appropriate for read-only display and ' limited interactivity. dataGridView1.AllowUserToAddRows = False dataGridView1.AllowUserToDeleteRows = False dataGridView1.AllowUserToOrderColumns = True dataGridView1.ReadOnly = True dataGridView1.SelectionMode = DataGridViewSelectionMode.FullRowSelect dataGridView1.MultiSelect = False dataGridView1.AutoSizeRowsMode = DataGridViewAutoSizeRowsMode.None dataGridView1.AllowUserToResizeColumns = False dataGridView1.ColumnHeadersHeightSizeMode = _ DataGridViewColumnHeadersHeightSizeMode.DisableResizing dataGridView1.AllowUserToResizeRows = False dataGridView1.RowHeadersWidthSizeMode = _ DataGridViewRowHeadersWidthSizeMode.DisableResizing ' Set the selection background color for all the cells. dataGridView1.DefaultCellStyle.SelectionBackColor = Color.White dataGridView1.DefaultCellStyle.SelectionForeColor = Color.Black ' Set RowHeadersDefaultCellStyle.SelectionBackColor so that its default ' value won't override DataGridView.DefaultCellStyle.SelectionBackColor. dataGridView1.RowHeadersDefaultCellStyle.SelectionBackColor = Color.Empty ' Set the background color for all rows and for alternating rows. ' The value for alternating rows overrides the value for all rows. dataGridView1.RowsDefaultCellStyle.BackColor = Color.LightGray dataGridView1.AlternatingRowsDefaultCellStyle.BackColor = Color.DarkGray ' Set the row and column header styles. dataGridView1.ColumnHeadersDefaultCellStyle.ForeColor = Color.White dataGridView1.ColumnHeadersDefaultCellStyle.BackColor = Color.Black dataGridView1.RowHeadersDefaultCellStyle.BackColor = Color.Black ' Set the Format property on the "Last Prepared" column to cause ' the DateTime to be formatted as "Month, Year". dataGridView1.Columns("Last Prepared").DefaultCellStyle.Format = "y" ' Specify a larger font for the "Ratings" column. Dim font As New Font( _ dataGridView1.DefaultCellStyle.Font.FontFamily, 25, FontStyle.Bold) Try dataGridView1.Columns("Rating").DefaultCellStyle.Font = font Finally font.Dispose() End Try End Sub
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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.