C # rewrite datagridview_c# tutorial

  This example for you to share the C # rewrite DataGridView instance code for your reference, the specific content as follows

Using System;
Using System.Collections.Generic;
Using System.Text;
Using System.Drawing;
Using System.Windows.Forms;
Using System.Drawing.Drawing2D; Namespace CRD. winui.editors {public class DataGridView:System.Windows.Forms.DataGridView {private bool _cellcoloronchange=fa
    Lse
    Private Color cell_color = Color.yellow;
    private bool Shifouhuasanjiao = true;
    Private Color Color_grid = Color.FromArgb (236, 233, 216);
    BOOL Click = FALSE; Public DataGridView () {this. SetStyle (Controlstyles.doublebuffer |
    Controlstyles.allpaintinginwmpaint, True); } protected override void Oncreatecontrol () {this.
      Enableheadersvisualstyles = false; This.
      Columnheadersdefaultcellstyle.backcolor = Color.FromArgb (236, 233, 216); This.
      Columnheadersborderstyle = datagridviewheaderborderstyle.raised; This.
      Columnheadersheight = 20; This.
      Columnheadersheightsizemode = datagridviewcolumnheadersheightsizemode.disableresizing; This.Columnheadersdefaultcellstyle.alignment = System.Windows.Forms.DataGridViewContentAlignment.MiddleCenter; This.
      Columnheadersdefaultcellstyle.forecolor = System.Drawing.SystemColors.WindowText; This.
      Columnheadersdefaultcellstyle.selectionbackcolor = System.Drawing.SystemColors.Highlight; This.
      Columnheadersdefaultcellstyle.selectionforecolor = System.Drawing.SystemColors.HighlightText; This.
      Rowheadersdefaultcellstyle.alignment = System.Windows.Forms.DataGridViewContentAlignment.MiddleLeft; This.
      Rowheadersdefaultcellstyle.backcolor = Color.FromArgb (236, 233, 216); This.
      Rowheadersdefaultcellstyle.forecolor = System.Drawing.SystemColors.WindowText; This.
      Rowheadersborderstyle = System.Windows.Forms.DataGridViewHeaderBorderStyle.Raised; This.
      Defaultcellstyle.selectionbackcolor = Color.darkblue; This.
      Defaultcellstyle.selectionforecolor = Color.darkslateblue; This. Rowheaderswidthsizemode = Datagridviewrowheaderswidthsizemode.disableresizing; This. Gridcolor = color.silver;//form click Color form line Color this.
      BackgroundColor = System.Drawing.SystemColors.Window; This.
      BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D; This.
      Allowusertoordercolumns = true; This.
      AutoGenerateColumns = true; Base.
    Oncreatecontrol ();
    } Color DefaultColor; The color to move to the cell protected override void Oncellmousemove (DataGridViewCellMouseEventArgs e) {base.
      Oncellmousemove (e); try {if (_cellcoloronchange) Rows[e.rowindex].
      Defaultcellstyle.backcolor = Cell_color; The current color protected override void Oncellmouseenter (DATAGRIDV) is saved when the catch (Exception) {}}//enters the cell. Iewcelleventargs e) {base.
      Oncellmouseenter (e); try {if (_cellcoloronchange) DefaultColor = Rows[e.rowindex].
      Defaultcellstyle.backcolor; The Restore color protected override void Oncellmouselea when the catch (Exception) {}}//Leftve (DataGridViewCellEventArgs e) {base.
      Oncellmouseleave (e); try {if (_cellcoloronchange) Rows[e.rowindex].
      Defaultcellstyle.backcolor = DefaultColor; The catch (Exception) {}} is public bool Cellcoloronchange {get {return _
      Cellcoloronchange;
      } set {_cellcoloronchange = value;
      } public Color Defaultcolorset {get {return cell_color;
      } set {Cell_color = value;
      } public bool Shifouhua_sanjiao {get {return shifouhuasanjiao;
      } set {Shifouhuasanjiao = value;
      } public Color Content_grid_color {get {return color_grid;
      } set {Color_grid = value; } private void InitializeComponent () {(System.ComponentModel.ISupportInitialize) (this).
BeginInit ();      This.
      SuspendLayout (); DataGridView////this.
       
      Rowtemplate.height = 17; ((System.ComponentModel.ISupportInitialize) (this)).
      EndInit (); This.
    ResumeLayout (FALSE);  }//rowpostpaint protected override void Onrowpostpaint (Datagridviewrowpostpainteventargs e) {if
      (Shifouhuasanjiao) {using (SolidBrush B = new SolidBrush (Color.Black)) {image image = Global::crd.
          WinUI.Properties.Resources. Untitled _1;
          E.graphics.drawstring ("►", E.inheritedrowstyle.font, B, e.rowbounds.location.x + 5, E.ROWBOUNDS.LOCATION.Y + 4);
          e.graphics.drawimageunscaled (image, E.rowbounds.location.x + 1, E.ROWBOUNDS.LOCATION.Y + 2, 8, 13); if (click) if (E.rowindex = = this. Currentrow.index) {e.graphics.drawimageunscaled (image, E.rowbounds.location.x + 1, E.ROWBOUNDS.LOCATION.Y + 2)
          , 8, 13); {}} Base.
    Onrowpostpaint (e); } protected override void Onrowprepaint (Datagridviewrowprepainteventargs e) {if (Shifouhuasanjiao {using (SolidBrush B = new SolidBrush (Color.Black)) {image image = Global::crd.
          WinUI.Properties.Resources. Untitled _1;
           E.graphics.drawstring ("►", E.inheritedrowstyle.font, B, e.rowbounds.location.x + 5, E.ROWBOUNDS.LOCATION.Y + 4);
        e.graphics.drawimageunscaled (image, E.rowbounds.location.x + 1, E.ROWBOUNDS.LOCATION.Y + 2, 8, 13); } base.
    Onrowprepaint (e); } protected override void Oncellclick (DataGridViewCellEventArgs e) {if (E.rowindex > -1&&this.
      Currentrow.index = = e.rowindex) {click = true; Base.
    Oncellclick (e); } protected override void Oncellpainting (DataGridViewCellPaintingEventArgs e) {base.
       
      Oncellpainting (e);
SolidBrush B = New SolidBrush (Color.FromArgb (236, 233, 216));      Pen Whitepen = new Pen (color_grid, 1); if (E.columnindex = = 1 && e.rowindex = = 1) {using (LinearGradientBrush brush = new LinearGradient Brush (E.cellbounds, Color.gray, Color.gray, lineargradientmode.forwarddiagonal)) {e.graphics.
          FillRectangle (b, e.cellbounds);
          Rectangle border = e.cellbounds; Border.
          Offset (New Point (-1,-1));
        E.graphics.drawrectangle (Pens.gray, border);
        } e.paintcontent (E.cellbounds);
      E.handled = true; else if (E.rowindex = = 1) {//header row using (LinearGradientBrush brush = new Lineargradientbrus H (e.cellbounds, Color.silver, Color.silver, lineargradientmode.vertical)) {E.graphics.fillrec
          Tangle (b, e.cellbounds);
          Rectangle border = e.cellbounds; Border.
          Offset (New Point (-1,-1));
          E.graphics.drawrectangle (Pens.silver, border); E.graphics.drawrectangle (PEns. Black, border. X + 1, border. Y + 1, border. Width-1, border.
        HEIGHT-1);
        } e.paintcontent (E.cellbounds);
      E.handled = true; else if (E.columnindex = = 1) {//Header column using (LinearGradientBrush brush = new LINEARGRADIENTB Rush (E.cellbounds, Color.silver, Color.silver, lineargradientmode.horizontal)) {E .
          Graphics.FillRectangle (b, e.cellbounds);
          Rectangle border = e.cellbounds; Border.
          Offset (New Point (-1,-1));
          E.graphics.drawrectangle (Pens.silver, border); E.graphics.drawrectangle (Pens.black, border. X+1,border. Y+1,border. Width-1,border.
          HEIGHT-1);
        E.graphics.drawstring ("", font,b,e.cellbounds.x,e.cellbounds.y);
        } e.paintcontent (E.cellbounds);
      E.handled = true;
        else {//color.fromargb (193, 193, 193) Rectangle border = e.cellbounds; Border.
 
       Offset (New Point (-1,-1)); E.graphics.drawrectangle (Whitepen, border); }
    }
  }
}

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