mirror of
https://github.com/Hofknecht/SystemTrayMenu.git
synced 2024-09-28 23:31:25 +12:00
46 lines
1.8 KiB
C#
46 lines
1.8 KiB
C#
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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namespace SystemTrayMenu.Utilities
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{
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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"></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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{
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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 * Scaling.Factor;
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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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dgv.Columns[i].Width = (int)(widthMax + 0.5);
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string stringWithWidthLikeIcon = "____";
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#pragma warning disable CA1303 // Do not pass literals as localized parameters
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float Width0 = gfx.MeasureString(stringWithWidthLikeIcon,
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#pragma warning restore CA1303 // Do not pass literals as localized parameters
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dgv.RowTemplate.DefaultCellStyle.Font
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).Width * Scaling.Factor;
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dgv.Columns[0].Width = (int)Width0;
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}
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}
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}
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}
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