gridview属性_datagridview设置列宽

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using System; using System.Collections.Generic; using System.Text; using System.Drawing; using System.Windows.Forms;

class SetDataViewGirdStyle { private static Color _mLinearBeginColor; private static Color _mLinearEndColor; private static Color _mBorderColor; private static bool _IsDrawing2D;

public SetDataViewGirdStyle() { }

/// <summary> /// 设置DataGirdView显示颜色 /// </summary> /// <param name=”dgv”>目标DataGirdView对象</param> /// <param name=”BackgroundColor”>DataGirdView背景色</param> /// <param name=”SelectionBackColor”>选定行的背景色</param> /// <param name=”SelectionForeColor”>选定行的前景色</param> /// <param name=”CellSelectionBackColor”>单元格被选定时的背景色</param> /// <param name=”RowBackColor”>默认行背景色</param> /// <param name=”ImparRowBackColor”>默认奇数行背景色</param> /// <param name=”IsDrawRowHeaders”>是否绘制行标题颜色</param> /// <param name=”IsDrawing2D”>是否启用二维绘制行标题颜色（渐变色）</param> /// <param name=”mLinearBeginColor”>渐变色起始颜色</param> /// <param name=”mLinearEndColor”>渐变色结束颜色</param> /// <param name=”mBorderColor”>边框颜色</param> public static void SetDgvViewColor(DataGridView dgv, Color BackgroundColor, Color SelectionBackColor, Color SelectionForeColor, Color CellSelectionBackColor, Color RowBackColor, Color ImparRowBackColor, bool IsDrawRowHeaders, bool IsDrawing2D, Color mLinearBeginColor, Color mLinearEndColor, Color mBorderColor) { dgv.BackgroundColor = BackgroundColor; dgv.DefaultCellStyle.SelectionBackColor = SelectionBackColor; dgv.DefaultCellStyle.SelectionForeColor = SelectionForeColor; dgv.RowHeadersDefaultCellStyle.SelectionBackColor = CellSelectionBackColor; dgv.RowsDefaultCellStyle.BackColor = RowBackColor; dgv.AlternatingRowsDefaultCellStyle.BackColor = ImparRowBackColor; if (IsDrawRowHeaders) { _mLinearBeginColor = mLinearBeginColor; _mLinearEndColor = mLinearEndColor; _mBorderColor = mBorderColor; _IsDrawing2D = IsDrawing2D; dgv.CellPainting += new DataGridViewCellPaintingEventHandler(dgv_CellPainting); } }

private static void CellPainting(DataGridViewCellPaintingEventArgs e) { Color mLinearColor1 = _mLinearBeginColor; Color mLinearColor2 = _mLinearEndColor; Color mGridColor = _mBorderColor;

System.Drawing.StringFormat StrFormat = new StringFormat(); Rectangle Rect = new Rectangle(e.CellBounds.X – 1, e.CellBounds.Y, e.CellBounds.Width, e.CellBounds.Height – 1); System.Drawing.Drawing2D.LinearGradientBrush LinearGradientBrush = null; if (_IsDrawing2D) { LinearGradientBrush = new System.Drawing.Drawing2D.LinearGradientBrush(Rect, mLinearColor1, mLinearColor2, System.Drawing.Drawing2D.LinearGradientMode.Vertical); } else { LinearGradientBrush = new System.Drawing.Drawing2D.LinearGradientBrush(Rect, mLinearColor1, mLinearColor1, System.Drawing.Drawing2D.LinearGradientMode.Vertical); }

try { if (e.RowIndex == -1 || e.ColumnIndex == -1) { e.Graphics.FillRectangle(LinearGradientBrush, Rect); e.Graphics.DrawRectangle(new Pen(mGridColor), Rect); e.PaintContent(e.CellBounds); e.Handled = true; } } catch (Exception ex) { throw new Exception(ex.Message); } finally { if (StrFormat != null) StrFormat.Dispose(); if (LinearGradientBrush != null) LinearGradientBrush.Dispose(); } }

private static void dgv_CellPainting(object sender, DataGridViewCellPaintingEventArgs e) { CellPainting(e); }

/// <summary> /// 设置DataGirdView样式 /// </summary> /// <param name=”dgv”>目标DataGirdView对象</param> /// <param name=”DockStyleType”>指定控键停靠的位置和方式</param> /// <param name=”BorderStyleType”>指定控键边框样式</param> /// <param name=”IsOrderCol”>指定用户是否可手动调整列位置</param> /// <param name=”IsReadOnly”>指定用户是否可编辑单元格</param> /// <param name=”IsMultiSelect”>指定用户是否可以选择多行</param> /// <param name=”IsResizeCol”>指定用户是否可以自己调整列大小（数据量大时请慎用）</param> /// <param name=”IsResizeRow”>指定用户是否可以自己调整行大小（数据量大时请慎用）</param> /// <param name=”IsRowHeaders”>是否显示行标题</param> /// <param name=”RowHeadersWidth”>行标题显示的宽度（当IsRowHeaders=True时HeadersWidth必须大于或等于4；当HeadersWidth大于或等于24时出现行标箭头）</param> /// <param name=”RowCopy”>行值复制模式</param> /// <param name=”IsShowIndex”>是否在行标题显示序号</param> public static void SetDgvViewStyle(DataGridView dgv, DockStyle DockStyleType, BorderStyle BorderStyleType, bool IsOrderCol, bool IsReadOnly, bool IsMultiSelect, bool IsResizeCol, bool IsResizeRow, bool IsRowHeaders, int RowHeadersWidth, DataGridViewClipboardCopyMode RowCopy, bool IsShowIndex) { dgv.Dock = DockStyleType; dgv.BorderStyle = BorderStyleType; dgv.AllowUserToAddRows = false; dgv.AllowUserToDeleteRows = false; dgv.AllowUserToOrderColumns = IsOrderCol; dgv.ReadOnly = !IsReadOnly; dgv.SelectionMode = DataGridViewSelectionMode.FullRowSelect; dgv.MultiSelect = IsMultiSelect; dgv.AutoSizeRowsMode = DataGridViewAutoSizeRowsMode.None; dgv.AllowUserToResizeColumns = IsResizeCol; if (IsResizeCol) { dgv.AutoSizeColumnsMode = DataGridViewAutoSizeColumnsMode.None; } else { dgv.AutoSizeColumnsMode = DataGridViewAutoSizeColumnsMode.AllCells; } dgv.ColumnHeadersHeightSizeMode = DataGridViewColumnHeadersHeightSizeMode.DisableResizing; dgv.AllowUserToResizeRows = IsResizeRow; if (IsResizeRow) { dgv.AutoSizeRowsMode = DataGridViewAutoSizeRowsMode.None; } else { dgv.AutoSizeRowsMode = DataGridViewAutoSizeRowsMode.AllCells; } dgv.RowHeadersDefaultCellStyle.Alignment = DataGridViewContentAlignment.MiddleLeft; dgv.RowHeadersWidthSizeMode = DataGridViewRowHeadersWidthSizeMode.EnableResizing; dgv.DefaultCellStyle.WrapMode = DataGridViewTriState.True; dgv.RowHeadersVisible = IsRowHeaders; if (dgv.RowHeadersVisible && RowHeadersWidth < 4) { throw new Exception(“RowHeadersWidth Error”); } dgv.RowHeadersWidth = RowHeadersWidth; dgv.ClipboardCopyMode = RowCopy; if (IsShowIndex) dgv.RowPostPaint += new DataGridViewRowPostPaintEventHandler(dgv_RowPostPaint); }

private static void dgv_RowPostPaint(object sender, DataGridViewRowPostPaintEventArgs e) { Rectangle rectangle = new Rectangle(e.RowBounds.Location.X, e.RowBounds.Location.Y, ((DataGridView)sender).RowHeadersWidth, e.RowBounds.Height); TextRenderer.DrawText(e.Graphics, (e.RowIndex + 1).ToString(), ((DataGridView)sender).RowHeadersDefaultCellStyle.Font, rectangle, ((DataGridView)sender).RowHeadersDefaultCellStyle.ForeColor, TextFormatFlags.VerticalCenter | TextFormatFlags.Right); } }

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