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checkbox in a listview header c#

Careful Cardinal answered on October 31, 2022 Popularity 3/10 Helpfulness 1/10

answer checkbox in a listview header c#

checkbox in a listview header c#

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private void listView1_DrawColumnHeader(object sender, 
                                        DrawListViewColumnHeaderEventArgs e)
{
    if (e.ColumnIndex == 0)
    {
        e.DrawBackground();
        bool value = false;
        try
        {
            value = Convert.ToBoolean(e.Header.Tag);
        }
        catch (Exception)
        {
        }
        CheckBoxRenderer.DrawCheckBox(e.Graphics, 
            new Point(e.Bounds.Left + 4, e.Bounds.Top + 4),
            value ? System.Windows.Forms.VisualStyles.CheckBoxState.CheckedNormal :
            System.Windows.Forms.VisualStyles.CheckBoxState.UncheckedNormal);
    }
    else
    {
        e.DrawDefault = true;
    }
}

private void listView1_DrawItem(object sender, DrawListViewItemEventArgs e)
{
    e.DrawDefault = true;
}

private void listView1_DrawSubItem(object sender, DrawListViewSubItemEventArgs e)
{
    e.DrawDefault = true;
}

private void listView1_ColumnClick(object sender, ColumnClickEventArgs e)
{
    if (e.Column == 0)
    {
        bool value = false;
        try
        {
            value = Convert.ToBoolean(this.listView1.Columns[e.Column].Tag);
        }
        catch (Exception)
        {
        }
        this.listView1.Columns[e.Column].Tag = !value;
        foreach (ListViewItem item in this.listView1.Items)
            item.Checked = !value;

        this.listView1.Invalidate();
    }
}

Popularity 3/10 Helpfulness 1/10 Language csharp

Source: stackoverflow.com

Tags: c# checkbox header listview

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Contributed on Oct 31 2022

Careful Cardinal

0 Answers Avg Quality 2/10

checkbox in a listview header c#

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