mirror of
https://github.com/Hofknecht/SystemTrayMenu.git
synced 2024-10-03 02:26:33 +13:00
53 lines
1.9 KiB
C#
53 lines
1.9 KiB
C#
// <copyright file="DataGridViewExtensions.cs" company="PlaceholderCompany">
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// Copyright (c) PlaceholderCompany. All rights reserved.
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// </copyright>
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namespace SystemTrayMenu.Utilities
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{
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using System.Data;
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using System.Drawing;
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using System.Linq;
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using System.Windows.Forms;
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internal static class DataGridViewExtensions
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{
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/// <summary>
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/// dgv.AutoResizeColumns() was too slow ~45ms.
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/// </summary>
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/// <param name="dgv">datagridview.</param>
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internal static void FastAutoSizeColumns(this DataGridView dgv)
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{
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System.Collections.Generic.IEnumerable<DataGridViewRow> rows =
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dgv.Rows.Cast<DataGridViewRow>();
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using Graphics gfx = dgv.CreateGraphics();
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int i = 1;
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gfx.TextRenderingHint = System.Drawing.Text.TextRenderingHint.AntiAlias;
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float widthMax = dgv.Columns[i].HeaderCell.Size.Width;
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foreach (DataGridViewRow row in rows)
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{
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float checkWidth = gfx.MeasureString(
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row.Cells[i].Value.ToString() + "___",
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dgv.RowTemplate.DefaultCellStyle.Font)
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.Width;
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if (checkWidth > widthMax)
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{
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widthMax = checkWidth;
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}
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}
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if (widthMax > Properties.Settings.Default.MaximumMenuWidth)
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{
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widthMax = Properties.Settings.Default.MaximumMenuWidth;
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}
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dgv.Columns[i].Width = (int)(widthMax + 0.5);
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string stringWithWidthLikeIcon = "____";
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float width0 = gfx.MeasureString(
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stringWithWidthLikeIcon,
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dgv.RowTemplate.DefaultCellStyle.Font).Width;
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double factorIconSizeInPercent = Properties.Settings.Default.IconSizeInPercent / 100f;
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dgv.Columns[0].Width = (int)(width0 * factorIconSizeInPercent);
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}
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}
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}
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