DataGridViewRowPrePaintEventArgs.RowIndex DataGridViewRowPrePaintEventArgs.RowIndex DataGridViewRowPrePaintEventArgs.RowIndex DataGridViewRowPrePaintEventArgs.RowIndex Property

定義

現在の DataGridViewRow のインデックスを取得します。Gets the index of the current DataGridViewRow.

public:
 property int RowIndex { int get(); };
public int RowIndex { get; }
member this.RowIndex : int
Public ReadOnly Property RowIndex As Integer

プロパティ値

現在の DataGridViewRow のインデックス。The index of the current DataGridViewRow.

次のコード例は、使用する方法を示します、RowIndex現在の行にアクセスするプロパティ。The following code example demonstrates how to use the RowIndex property to access the current row. コードを実際に使用しますが、DataGridViewRowPostPaintEventArgs.RowIndexプロパティは、このプロパティとほぼ同じです、RowIndexプロパティのDataGridViewRowPrePaintEventArgsします。Although the code actually uses the DataGridViewRowPostPaintEventArgs.RowIndex property, this property is nearly identical to the RowIndex property of DataGridViewRowPrePaintEventArgs. 変数、eの種類はDataGridViewRowPostPaintEventArgsします。The variable, e, is of type DataGridViewRowPostPaintEventArgs. このコード例で示されている例の一部は、方法。Windows フォームの DataGridView コントロール内の行の外観をカスタマイズします。This code example is part of a larger example provided in How to: Customize the Appearance of Rows in the Windows Forms DataGridView Control.

// Get the content that spans multiple columns.
object recipe =
    this.dataGridView1.Rows.SharedRow(e.RowIndex).Cells[2].Value;

if (recipe != null)
{
    String text = recipe.ToString();

    // Calculate the bounds for the content that spans multiple 
    // columns, adjusting for the horizontal scrolling position 
    // and the current row height, and displaying only whole
    // lines of text.
    Rectangle textArea = rowBounds;
    textArea.X -= this.dataGridView1.HorizontalScrollingOffset;
    textArea.Width += this.dataGridView1.HorizontalScrollingOffset;
    textArea.Y += rowBounds.Height - e.InheritedRowStyle.Padding.Bottom;
    textArea.Height -= rowBounds.Height -
        e.InheritedRowStyle.Padding.Bottom;
    textArea.Height = (textArea.Height / e.InheritedRowStyle.Font.Height) *
        e.InheritedRowStyle.Font.Height;

    // Calculate the portion of the text area that needs painting.
    RectangleF clip = textArea;
    clip.Width -= this.dataGridView1.RowHeadersWidth + 1 - clip.X;
    clip.X = this.dataGridView1.RowHeadersWidth + 1;
    RectangleF oldClip = e.Graphics.ClipBounds;
    e.Graphics.SetClip(clip);

    // Draw the content that spans multiple columns.
    e.Graphics.DrawString(
        text, e.InheritedRowStyle.Font, forebrush, textArea);

    e.Graphics.SetClip(oldClip);
}
' Get the content that spans multiple columns.
Dim recipe As Object = _
    Me.dataGridView1.Rows.SharedRow(e.RowIndex).Cells(2).Value

If (recipe IsNot Nothing) Then
    Dim text As String = recipe.ToString()

    ' Calculate the bounds for the content that spans multiple 
    ' columns, adjusting for the horizontal scrolling position 
    ' and the current row height, and displaying only whole
    ' lines of text.
    Dim textArea As Rectangle = rowBounds
    textArea.X -= Me.dataGridView1.HorizontalScrollingOffset
    textArea.Width += Me.dataGridView1.HorizontalScrollingOffset
    textArea.Y += rowBounds.Height - e.InheritedRowStyle.Padding.Bottom
    textArea.Height -= rowBounds.Height - e.InheritedRowStyle.Padding.Bottom
    textArea.Height = (textArea.Height \ e.InheritedRowStyle.Font.Height) * _
        e.InheritedRowStyle.Font.Height

    ' Calculate the portion of the text area that needs painting.
    Dim clip As RectangleF = textArea
    clip.Width -= Me.dataGridView1.RowHeadersWidth + 1 - clip.X
    clip.X = Me.dataGridView1.RowHeadersWidth + 1
    Dim oldClip As RectangleF = e.Graphics.ClipBounds
    e.Graphics.SetClip(clip)

    ' Draw the content that spans multiple columns.
    e.Graphics.DrawString(text, e.InheritedRowStyle.Font, forebrush, _
        textArea)

    e.Graphics.SetClip(oldClip)
End If

注釈

行のインデックス内の現在の行へのアクセスに使用できます、DataGridViewRowCollectionします。The row index can be used to access the current row within a DataGridViewRowCollection.

適用対象

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