添加项目文件。

2026-08-06 09:23:30 +08:00
parent 771e23e00a
commit 4660ceee70
604 changed files with 138380 additions and 0 deletions
@@ -0,0 +1,136 @@
+using System;
+using System.Drawing;
+using System.Reflection;
+using System.Windows.Forms;
+
+namespace JinYuan.Helper
+{
+    public static class DataGridViewHelper
+    {
+        /// <summary>
+        /// 给DataGridView添加行号
+        /// </summary>
+        /// <param name="dgv">dgv控件</param>
+        /// <param name="e">dgv参数</param>
+        public static void DgvRowPostPaint(DataGridView dgv, DataGridViewRowPostPaintEventArgs e)
+        {
+            try
+            {
+                //添加行号 
+                SolidBrush solidBrush = new SolidBrush(dgv.RowHeadersDefaultCellStyle.ForeColor);
+                string lineNo = (e.RowIndex + 1).ToString();
+                e.Graphics.TextRenderingHint = System.Drawing.Text.TextRenderingHint.ClearTypeGridFit;
+
+                StringFormat sf = new StringFormat();
+                sf.LineAlignment = StringAlignment.Center;
+                sf.Alignment = StringAlignment.Center;
+                e.Graphics.DrawString(lineNo, e.InheritedRowStyle.Font, solidBrush, new Rectangle(e.RowBounds.Location.X, e.RowBounds.Location.Y, dgv.RowHeadersWidth, dgv.RowTemplate.Height), sf);
+            }
+            catch (Exception ex)
+            {
+                MessageBox.Show("添加行号时发生错误，错误信息：" + ex.Message, "操作失败");
+            }
+        }
+
+        /// <summary>
+        /// 给DataGridView指定列改变前景色
+        /// </summary>
+        /// <param name="dgv"></param>
+        /// <param name="e"></param>
+        public static void DgvRowPrePaint(DataGridView dgv, string Column, object sender, DataGridViewRowPrePaintEventArgs e)
+        {
+
+            if (e.RowIndex >= dgv.Rows.Count - 1)
+                return;
+            DataGridViewRow dr = (sender as DataGridView).Rows[e.RowIndex];
+
+            try
+            {
+                if (dr.Cells[Column].Value != null &&  dr.Cells[Column].Value.Equals("OK"))
+                {
+                    // 设置单元格的背景色
+                    //dr.Cells[Column].Style.BackColor = Color.LightGreen;
+
+                    // 设置单元格的前景色
+                    dr.Cells[Column].Style.ForeColor = Color.LightGreen;
+                }
+                else
+                {
+                    //dr.Cells[Column].Style.BackColor = Color.Red;
+                    dr.Cells[Column].Style.ForeColor = Color.Red;
+                }
+            }
+            catch (Exception ex)
+            {
+                MessageBox.Show("更改状态时发生错误，错误信息：" + ex.Message, "操作失败");
+
+            }
+        }
+
+        /// <summary>
+        /// 给DataGridView绘制边框
+        /// </summary>
+        /// <param name="dgv">dgv控件</param>
+        /// <param name="e">dgv参数</param>
+        public static void DgvRowPaint(DataGridView dgv, PaintEventArgs e, Color borderColor)
+        {
+            e.Graphics.DrawRectangle(new Pen(borderColor), new Rectangle(0, 0, dgv.Width - 1, dgv.Height - 1));
+        }
+
+        /// <summary>
+        /// 奇偶换色
+        /// </summary>        
+        public static void DgvStyle(DataGridView dgv, Color defaultBackColor, Color alternatingBackColor, Color gridColor)
+        {
+            //奇数行的背景色
+            dgv.AlternatingRowsDefaultCellStyle.BackColor = alternatingBackColor;
+            dgv.AlternatingRowsDefaultCellStyle.SelectionBackColor = alternatingBackColor;
+
+            //默认的行样式
+            dgv.RowsDefaultCellStyle.BackColor = defaultBackColor;
+            dgv.RowsDefaultCellStyle.SelectionBackColor = defaultBackColor;
+
+
+            dgv.RowHeadersDefaultCellStyle.BackColor = defaultBackColor;
+            dgv.RowHeadersDefaultCellStyle.SelectionBackColor = defaultBackColor;
+
+            //数据网格颜色
+            dgv.GridColor = gridColor;
+        }
+
+
+
+
+        /// <summary>
+        /// 双缓冲，解决闪烁问题
+        /// </summary>
+        /// <param name="dgv"></param>
+        /// <param name="flag"></param>
+        public static void DoubleBufferedDataGirdView(this DataGridView dgv, bool flag)
+        {
+            Type dgvType = dgv.GetType();
+            PropertyInfo pi = dgvType.GetProperty("DoubleBuffered", BindingFlags.Instance | BindingFlags.NonPublic);
+            pi.SetValue(dgv, flag, null);
+        }
+
+
+        /// <summary>
+        /// 双缓冲，解决闪烁问题
+        /// </summary>
+        /// <param name="lv"></param>
+        /// <param name="flag"></param>
+        public static void DoubleBufferedListView(this ListView lv, bool flag)
+        {
+            Type lvType = lv.GetType();
+            PropertyInfo pi = lvType.GetProperty("DoubleBuffered", BindingFlags.Instance | BindingFlags.NonPublic);
+            pi.SetValue(lv, flag, null);
+        }
+
+        public static void DoubleBufferedListBox(this ListBox lb, bool flag)
+        {
+            Type lvType = lb.GetType();
+            PropertyInfo pi = lvType.GetProperty("DoubleBuffered", BindingFlags.Instance | BindingFlags.NonPublic);
+            pi.SetValue(lb, flag, null);
+        }
+    }
+}