UseFixedHeaders プロパティ

固定ヘッダー機能を有効にするかどうかを指定します。固定ヘッダー機能を有効にすると列が固定され、グリッドを左右にスクロールしても列はスクロールされません。

シンタックス

Visual Basic

'宣言
 
Public Property UseFixedHeaders As Boolean

C#

public bool UseFixedHeaders {get; set;}

解説

固定ヘッダー機能を有効にすると列が固定され、グリッドを左右にスクロールしても列は常に表示されたままになります。

固定ヘッダー機能を有効にした後、ヘッダーの HeaderBase.Fixed プロパティを True に設定することで、ヘッダーを固定できます。固定するヘッダーがない場合、このプロパティをTrueに設定すると、行セレクターが固定されます。つまり、グリッドを左右にスクロールしたときに行セレクターが常に表示されたままになります。

使用例

Visual Basic

Imports Infragistics.Shared
Imports Infragistics.Win
Imports Infragistics.Win.UltraWinGrid

    Private Sub UltraGrid1_InitializeLayout(ByVal sender As Object, ByVal e As Infragistics.Win.UltraWinGrid.InitializeLayoutEventArgs) Handles UltraGrid1.InitializeLayout
        ' Turn on the fixed headers functionality. This will case the row selectors to
        ' be fixed.
        e.Layout.UseFixedHeaders = True

        ' Fix the second column. This will cause this column to be moved before any
        ' non-fixed columns.
        e.Layout.Bands(0).Columns(1).Header.Fixed = True

        ' Different bands could have different number of fixed columns.
        If e.Layout.Bands.Count > 1 Then
            e.Layout.Bands(1).Columns(0).Header.Fixed = True
            e.Layout.Bands(1).Columns(1).Header.Fixed = True
        End If

        ' Set the appearance of fixed headers.
        e.Layout.Override.FixedHeaderAppearance.BackColor = Color.LightYellow
        e.Layout.Override.FixedHeaderAppearance.ForeColor = Color.Blue

        ' Set the appearance of cells associated witht any fixed headers.
        e.Layout.Override.FixedCellAppearance.BackColor = Color.LightYellow
        e.Layout.Override.FixedCellAppearance.ForeColor = Color.Blue

        ' Set the color of the separator line the separates the fixed cells
        ' from non-fixed cells.
        e.Layout.Override.FixedCellSeparatorColor = Color.Red

        ' Set the type of ui that should be presented to the user for fixing and
        ' unfixing columns. Button displays a fixed header indicator button which
        ' when clicked upon will toggle the fixed state of the header.
        e.Layout.Override.FixedHeaderIndicator = FixedHeaderIndicator.Button

        ' For band 1 make use of the swap drop down ui. There will be [Fix Header] and
        ' [Unfix Header] items in swap drop down.
        If e.Layout.Bands.Count > 1 Then
            e.Layout.Bands(1).Override.FixedHeaderIndicator = FixedHeaderIndicator.InSwapDropDown
        End If

        ' For band 2 don't allow the user to be able to fix or unfix columns.
        If e.Layout.Bands.Count > 2 Then
            e.Layout.Bands(2).Override.FixedHeaderIndicator = FixedHeaderIndicator.None
        End If
    End Sub

C#

using Infragistics.Shared;
using Infragistics.Win;
using Infragistics.Win.UltraWinGrid;
using System.Diagnostics;

		private void ultraGrid1_InitializeLayout(object sender, Infragistics.Win.UltraWinGrid.InitializeLayoutEventArgs e)
		{
			// Turn on the fixed headers functionality. This will case the row selectors to
			// be fixed.
			e.Layout.UseFixedHeaders = true;

			// Fix the second column. This will cause this column to be moved before any
			// non-fixed columns.
			e.Layout.Bands[0].Columns[1].Header.Fixed = true;

			// Different bands could have different number of fixed columns.
			if ( e.Layout.Bands.Count > 1 )
			{
				e.Layout.Bands[1].Columns[0].Header.Fixed = true;
				e.Layout.Bands[1].Columns[1].Header.Fixed = true;
			}

			// Set the appearance of fixed headers.
			e.Layout.Override.FixedHeaderAppearance.BackColor = Color.LightYellow;
			e.Layout.Override.FixedHeaderAppearance.ForeColor = Color.Blue;

			// Set the appearance of cells associated witht any fixed headers.
			e.Layout.Override.FixedCellAppearance.BackColor = Color.LightYellow;
			e.Layout.Override.FixedCellAppearance.ForeColor = Color.Blue;

			// Set the color of the separator line the separates the fixed cells
			// from non-fixed cells.
			e.Layout.Override.FixedCellSeparatorColor = Color.Red;

			// Set the type of ui that should be presented to the user for fixing and
			// unfixing columns. Button displays a fixed header indicator button which
			// when clicked upon will toggle the fixed state of the header.
			e.Layout.Override.FixedHeaderIndicator = FixedHeaderIndicator.Button;

			// For band 1 make use of the swap drop down ui. There will be [Fix Header] and
			// [Unfix Header] items in swap drop down.
			if ( e.Layout.Bands.Count > 1 )
				e.Layout.Bands[1].Override.FixedHeaderIndicator = FixedHeaderIndicator.InSwapDropDown;

			// For band 2 don't allow the user to be able to fix or unfix columns.
			if ( e.Layout.Bands.Count > 2 )
				e.Layout.Bands[2].Override.FixedHeaderIndicator = FixedHeaderIndicator.None;
		}