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lq
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using AntdUI;
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using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Drawing;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows.Forms;
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namespace JinYuan.ControlLib
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{
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public class CustomDataGridView : DataGridView
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{
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private Color darkBackgroundColor = Color.FromArgb(18, 18, 18);
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private Color lightBackgroundColor = Color.White;
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private Color darkForeColor = Color.White;
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private Color lightForeColor = Color.Black;
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private Color darkHeaderBackColor = Color.FromArgb(30, 30, 30);
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private Color lightHeaderBackColor = Color.FromArgb(240, 240, 240);
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private Color darkSelectedCellColor = Color.FromArgb(64, 64, 64);
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private Color lightSelectedCellColor = Color.FromArgb(200, 200, 200);
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private Color darkSelectedColumnColor = Color.FromArgb(45, 45, 45);
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private Color lightSelectedColumnColor = Color.FromArgb(220, 220, 220);
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private Color darkButtonColor = Color.FromArgb(64, 64, 64);
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private Color lightButtonColor = Color.FromArgb(240, 240, 240);
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private Color darkComboBoxColor = Color.FromArgb(45, 45, 45);
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private Color lightComboBoxColor = Color.FromArgb(250, 250, 250);
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public CustomDataGridView()
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{
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InitializeComponent();
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this.SetStyle(ControlStyles.AllPaintingInWmPaint, true);
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this.SetStyle(ControlStyles.DoubleBuffer, true);
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this.SetStyle(ControlStyles.ResizeRedraw, true);
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this.SetStyle(ControlStyles.Selectable, true);
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this.SetStyle(ControlStyles.SupportsTransparentBackColor, true);
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this.SetStyle(ControlStyles.UserPaint, true);
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this.SetStyle(ControlStyles.OptimizedDoubleBuffer, true);
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UpdateTheme(Config.IsDark);
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}
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private void InitializeComponent()
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{
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this.RowHeadersVisible = true;
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this.AllowUserToAddRows = false;
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this.AllowUserToDeleteRows = false;
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this.AllowUserToResizeRows = false;
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this.SelectionMode = DataGridViewSelectionMode.FullRowSelect;
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this.MultiSelect = false;
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this.CellBorderStyle = DataGridViewCellBorderStyle.SingleHorizontal;
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this.BorderStyle = BorderStyle.None;
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this.ColumnHeadersBorderStyle = DataGridViewHeaderBorderStyle.None;
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this.EnableHeadersVisualStyles = false;
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this.ColumnHeadersDefaultCellStyle.Alignment = DataGridViewContentAlignment.MiddleCenter;
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this.ColumnHeadersDefaultCellStyle.Font = new Font(this.Font.FontFamily, this.Font.Size, FontStyle.Bold);
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this.ColumnHeadersHeight = 30;
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this.RowHeadersDefaultCellStyle.Alignment = DataGridViewContentAlignment.MiddleCenter;
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this.RowHeadersWidth = 50;
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// 设置默认的行高
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this.RowTemplate.Height = 28;
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}
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public void UpdateTheme(bool isDark)
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{
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// 基础颜色
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this.BackgroundColor = isDark ? darkBackgroundColor : lightBackgroundColor;
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this.ForeColor = isDark ? darkForeColor : lightForeColor;
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this.GridColor = isDark ? Color.DimGray : Color.LightGray;
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// 列头样式
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this.ColumnHeadersDefaultCellStyle.BackColor = isDark ? darkHeaderBackColor : lightHeaderBackColor;
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this.ColumnHeadersDefaultCellStyle.ForeColor = isDark ? darkForeColor : lightForeColor;
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this.ColumnHeadersDefaultCellStyle.SelectionBackColor = isDark ? darkSelectedColumnColor : lightSelectedColumnColor;
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this.ColumnHeadersDefaultCellStyle.SelectionForeColor = isDark ? darkForeColor : lightForeColor;
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// 行头样式
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this.RowHeadersDefaultCellStyle.BackColor = isDark ? darkHeaderBackColor : lightHeaderBackColor;
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this.RowHeadersDefaultCellStyle.ForeColor = isDark ? darkForeColor : lightForeColor;
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this.RowHeadersDefaultCellStyle.SelectionBackColor = isDark ? darkSelectedCellColor : lightSelectedCellColor;
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this.RowHeadersDefaultCellStyle.SelectionForeColor = isDark ? darkForeColor : lightForeColor;
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// 默认单元格样式
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this.DefaultCellStyle.BackColor = this.BackgroundColor;
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this.DefaultCellStyle.ForeColor = this.ForeColor;
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this.DefaultCellStyle.SelectionBackColor = isDark ? darkSelectedCellColor : lightSelectedCellColor;
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this.DefaultCellStyle.SelectionForeColor = isDark ? darkForeColor : lightForeColor;
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// 更新所有列的样式
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foreach (DataGridViewColumn column in this.Columns)
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{
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if (column is DataGridViewComboBoxColumn comboBoxColumn)
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{
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// ComboBox列样式
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comboBoxColumn.DefaultCellStyle.BackColor = isDark ? darkComboBoxColor : lightComboBoxColor;
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comboBoxColumn.DefaultCellStyle.ForeColor = isDark ? darkForeColor : lightForeColor;
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comboBoxColumn.DefaultCellStyle.SelectionBackColor = isDark ? darkSelectedCellColor : lightSelectedCellColor;
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comboBoxColumn.DefaultCellStyle.SelectionForeColor = isDark ? darkForeColor : lightForeColor;
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comboBoxColumn.FlatStyle = FlatStyle.Flat;
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}
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else if (column is DataGridViewButtonColumn buttonColumn)
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{
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// Button列样式
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DataGridViewCellStyle buttonStyle = new DataGridViewCellStyle();
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buttonStyle.BackColor = isDark ? darkButtonColor : lightButtonColor;
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buttonStyle.ForeColor = isDark ? darkForeColor : lightForeColor;
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buttonStyle.SelectionBackColor = isDark ? darkSelectedCellColor : lightSelectedCellColor;
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buttonStyle.SelectionForeColor = isDark ? darkForeColor : lightForeColor;
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buttonStyle.Alignment = DataGridViewContentAlignment.MiddleCenter;
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buttonColumn.DefaultCellStyle = buttonStyle;
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buttonColumn.FlatStyle = FlatStyle.Flat;
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}
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}
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this.Invalidate();
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}
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protected override void OnCellPainting(DataGridViewCellPaintingEventArgs e)
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{
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if (e.RowIndex == -1 && e.ColumnIndex >= 0)
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{
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// 绘制列头
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e.PaintBackground(e.CellBounds, true);
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Rectangle newRect = new Rectangle(e.CellBounds.X + 2, e.CellBounds.Y + 2,
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e.CellBounds.Width - 4, e.CellBounds.Height - 4);
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using (var brush = new SolidBrush(e.CellStyle.ForeColor))
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{
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e.Graphics.DrawString(e.Value?.ToString(), this.ColumnHeadersDefaultCellStyle.Font,
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brush, newRect, new StringFormat
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{
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Alignment = StringAlignment.Center,
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LineAlignment = StringAlignment.Center
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});
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}
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e.Handled = true;
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}
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else if (e.RowIndex >= 0 && e.ColumnIndex == -1)
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{
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// 绘制行头（行号）
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e.PaintBackground(e.CellBounds, true);
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Rectangle newRect = new Rectangle(e.CellBounds.X + 2, e.CellBounds.Y + 2,
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e.CellBounds.Width - 4, e.CellBounds.Height - 4);
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string rowNumber = (e.RowIndex + 1).ToString();
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// 判断当前行是否被选中
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bool isSelected = this.Rows[e.RowIndex].Selected;
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Color textColor;
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if (isSelected)
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{
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// 如果行被选中，使用选中状态的前景色
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textColor = this.RowHeadersDefaultCellStyle.SelectionForeColor;
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}
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else
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{
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// 如果行未被选中，使用普通状态的前景色
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textColor = Config.IsDark ? darkForeColor : lightForeColor;
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}
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using (var brush = new SolidBrush(textColor))
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{
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e.Graphics.DrawString(rowNumber, this.RowHeadersDefaultCellStyle.Font,
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brush, newRect, new StringFormat
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{
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Alignment = StringAlignment.Center,
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LineAlignment = StringAlignment.Center
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});
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}
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e.Handled = true;
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}
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else if (e.ColumnIndex >= 0 && e.RowIndex >= 0)
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{
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// 处理按钮列的绘制
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if (this.Columns[e.ColumnIndex] is DataGridViewButtonColumn)
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{
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e.PaintBackground(e.CellBounds, true);
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Rectangle buttonBounds = new Rectangle(e.CellBounds.X + 2, e.CellBounds.Y + 2,
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e.CellBounds.Width - 4, e.CellBounds.Height - 4);
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using (var buttonBrush = new SolidBrush(e.CellStyle.BackColor))
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using (var textBrush = new SolidBrush(e.CellStyle.ForeColor))
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{
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// 绘制按钮背景
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e.Graphics.FillRectangle(buttonBrush, buttonBounds);
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// 绘制按钮文本
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string buttonText = e.Value?.ToString() ?? string.Empty;
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e.Graphics.DrawString(buttonText, this.Font, textBrush,
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buttonBounds, new StringFormat
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{
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Alignment = StringAlignment.Center,
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LineAlignment = StringAlignment.Center
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});
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}
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e.Handled = true;
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}
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else
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{
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base.OnCellPainting(e);
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}
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}
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else
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{
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base.OnCellPainting(e);
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}
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}
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protected override void OnPaint(PaintEventArgs e)
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{
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base.OnPaint(e);
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// 绘制列头底部边框
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using (var pen = new Pen(Config.IsDark ? Color.DimGray : Color.LightGray))
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{
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e.Graphics.DrawLine(pen, 0, this.ColumnHeadersHeight, this.Width, this.ColumnHeadersHeight);
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}
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}
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protected override void OnColumnHeadersHeightChanged(EventArgs e)
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{
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base.OnColumnHeadersHeightChanged(e);
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this.ColumnHeadersHeight = 30;
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}
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protected override void OnDataBindingComplete(DataGridViewBindingCompleteEventArgs e)
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{
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base.OnDataBindingComplete(e);
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// 重新应用主题样式
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UpdateTheme(Config.IsDark);
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}
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}
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}
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