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RowLayoutItem プロパティ (BeforeRowLayoutItemResizedEventArgs)

サイズ変更される行レイアウト項目。これは、UltraGridColumnかColumnHeaderのどちらかになります。サイズ変更される項目がセルの場合は、UltraGridColumnです。サイズ変更される項目がヘッダーの場合は、ColumnHeaderです。
シンタックス
'宣言
 
Public ReadOnly Property RowLayoutItem As Infragistics.Win.Layout.ILayoutItem
public Infragistics.Win.Layout.ILayoutItem RowLayoutItem {get;}
使用例
Imports Infragistics.Shared
Imports Infragistics.Win
Imports Infragistics.Win.UltraWinGrid

    Private Sub UltraGrid1_BeforeRowLayoutItemResized(ByVal sender As Object, ByVal e As Infragistics.Win.UltraWinGrid.BeforeRowLayoutItemResizedEventArgs) Handles UltraGrid1.BeforeRowLayoutItemResized
        Debug.Write("BeforeRowLayoutItemResized: ")

        If TypeOf e.RowLayoutItem Is UltraGridColumn Then
            ' If the RowLayoutItem is an instance of UltraGridColumn, then cells associated
            ' with that column are being resized.
            Dim column As UltraGridColumn = DirectCast(e.RowLayoutItem, UltraGridColumn)

            Debug.Write("Cell in row-layout resized. Column = " & column.Header.Caption)
        Else
            ' If the RowLayoutItem is an instance of HeaderBase, then column header (also 
            ' referred to as column label) is being resized.
            Dim header As HeaderBase = DirectCast(e.RowLayoutItem, HeaderBase)

            Debug.Write("Header in row-layout resized. Header = " & header.Caption)
        End If

        Debug.WriteLine(" Old Size = " & e.OldSize.ToString() & " New Size = " & e.NewSize.ToString())

        ' You can conditionally cancel the resize operation by setting Cancel to true.
        If e.OldSize.Height <> e.NewSize.Height Then
            e.Cancel = True
        ElseIf (e.NewSize.Width > 200) Then
            ' You can also set the NewSize to impose constraints on how the item can be resized.
            ' In this case we will prevent the user from resizing items greater than 200.
            e.NewSize = New Size(200, e.NewSize.Height)
        End If
    End Sub

    Private Sub UltraGrid1_AfterRowLayoutItemResized(ByVal sender As Object, ByVal e As Infragistics.Win.UltraWinGrid.AfterRowLayoutItemResizedEventArgs) Handles UltraGrid1.AfterRowLayoutItemResized
        Debug.Write("AfterRowLayoutItemResized: ")

        If TypeOf e.RowLayoutItem Is UltraGridColumn Then
            ' If the RowLayoutItem is an instance of UltraGridColumn, then cells associated
            ' with that column are being resized.
            Dim column As UltraGridColumn = DirectCast(e.RowLayoutItem, UltraGridColumn)

            Debug.Write("Cell in row-layout resized. Column = " & column.Header.Caption)
        Else
            ' If the RowLayoutItem is an instance of HeaderBase, then column header (also 
            ' referred to as column label) is being resized.
            Dim header As HeaderBase = DirectCast(e.RowLayoutItem, HeaderBase)

            Debug.Write("Header in row-layout resized. Header = " & header.Caption)
        End If

        Debug.WriteLine(" New Size = " & e.RowLayoutItem.PreferredSize.ToString())
    End Sub
using Infragistics.Shared;
using Infragistics.Win;
using Infragistics.Win.UltraWinGrid;
using System.Diagnostics;

		private void ultraGrid1_BeforeRowLayoutItemResized(object sender, Infragistics.Win.UltraWinGrid.BeforeRowLayoutItemResizedEventArgs e)
		{
			Debug.Write( "BeforeRowLayoutItemResized: " );

			if ( e.RowLayoutItem is UltraGridColumn )
			{
				// If the RowLayoutItem is an instance of UltraGridColumn, then cells associated
				// with that column are being resized.
				UltraGridColumn column = (UltraGridColumn)e.RowLayoutItem;

				Debug.Write( "Cell in row-layout resized. Column = " + column.Header.Caption );
			}
			else
			{
				// If the RowLayoutItem is an instance of HeaderBase, then column header (also 
				// referred to as column label) is being resized.
				HeaderBase header = (HeaderBase)e.RowLayoutItem;

				Debug.Write( "Header in row-layout resized. Header = " + header.Caption );
			}

			Debug.WriteLine( " Old Size = " + e.OldSize.ToString( ) + " New Size = " + e.NewSize );

			// You can conditionally cancel the resize operation by setting Cancel to true.
			if ( e.OldSize.Height != e.NewSize.Height )
			{
				e.Cancel = true;
			}
			// You can also set the NewSize to impose constraints on how the item can be resized.
			// In this case we will prevent the user from resizing items greater than 200.
			else if ( e.NewSize.Width > 200 )
			{
				e.NewSize = new Size( 200, e.NewSize.Height );
			}
		}

		private void ultraGrid1_AfterRowLayoutItemResized(object sender, Infragistics.Win.UltraWinGrid.AfterRowLayoutItemResizedEventArgs e)
		{
			Debug.Write( "AfterRowLayoutItemResized: " );

			if ( e.RowLayoutItem is UltraGridColumn )
			{
				// If the RowLayoutItem is an instance of UltraGridColumn, then cells associated
				// with that column are being resized.
				UltraGridColumn column = (UltraGridColumn)e.RowLayoutItem;

				Debug.Write( "Cell in row-layout resized. Column = " + column.Header.Caption );
			}
			else
			{
				// If the RowLayoutItem is an instance of HeaderBase, then column header (also 
				// referred to as column label) is being resized.
				HeaderBase header = (HeaderBase)e.RowLayoutItem;

				Debug.Write( "Header in row-layout resized. Header = " + header.Caption );
			}

			Debug.WriteLine( " New Size = " + e.RowLayoutItem.PreferredSize.ToString( ) );
		}
参照