2020-07-07 07:15:45 +12:00
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// <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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2020-03-14 02:31:31 +13:00
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2020-03-28 12:42:32 +13:00
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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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using SystemTrayMenu.DataClasses;
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2020-03-30 06:26:45 +13:00
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internal static class DataGridViewExtensions
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{
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private const float WidthMin = 100f;
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2020-05-06 12:39:38 +12:00
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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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using Graphics gfx = dgv.CreateGraphics();
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gfx.TextRenderingHint = System.Drawing.Text.TextRenderingHint.AntiAlias;
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float widthMax = WidthMin;
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DataTable data = (DataTable)dgv.DataSource;
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foreach (DataRow row in data.Rows)
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{
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float checkWidth = gfx.MeasureString(
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((RowData)row[2]).Text + "___",
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dgv.RowTemplate.DefaultCellStyle.Font).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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2021-04-26 06:40:11 +12:00
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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[1].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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