Как C# WinForm DataGridView Цвет фона Прозрачный?

Question

Похожие темы Set datagrid view background to transparent

DataGridView VB Прозрачный Код:

Imports System.ComponentModel 

Public Class TransparentDGV 
    Inherits DataGridView 

    Private _DGVHasTransparentBackground As Boolean 

    <Category("Transparency"), Description("Select whether the control has a Transparent Background.")> Public Property DGVHasTransparentBackground As Boolean 
     Get 
      Return _DGVHasTransparentBackground 
     End Get 
     Set(ByVal value As Boolean) 
      _DGVHasTransparentBackground = value 
      If _DGVHasTransparentBackground Then 
       SetTransparentProperties(True) 
      Else 
       SetTransparentProperties(False) 
      End If 
     End Set 
    End Property 

    Public Sub New() 
     DGVHasTransparentBackground = True 
    End Sub 

    Private Sub SetTransparentProperties(ByRef SetAsTransparent As Boolean) 
     If SetAsTransparent Then 
      MyBase.DoubleBuffered = True 
      MyBase.EnableHeadersVisualStyles = False 
      MyBase.ColumnHeadersDefaultCellStyle.BackColor = Color.Transparent 
      MyBase.RowHeadersDefaultCellStyle.BackColor = Color.Transparent 
      SetCellStyle(Color.Transparent) 
     Else 
      MyBase.DoubleBuffered = False 
      MyBase.EnableHeadersVisualStyles = True 
      MyBase.ColumnHeadersDefaultCellStyle.BackColor = SystemColors.Control 
      MyBase.RowHeadersDefaultCellStyle.BackColor = SystemColors.Control 
      SetCellStyle(Color.White) 
     End If 
    End Sub 

    Protected Overrides Sub PaintBackground(ByVal graphics As System.Drawing.Graphics, ByVal clipBounds As System.Drawing.Rectangle, ByVal gridBounds As System.Drawing.Rectangle) 
     MyBase.PaintBackground(graphics, clipBounds, gridBounds) 

     If _DGVHasTransparentBackground Then 
      If Not IsNothing(MyBase.Parent.BackgroundImage) Then 
       Dim rectSource As New Rectangle(MyBase.Location, MyBase.Size) 
       Dim rectDest As New Rectangle(0, 0, rectSource.Width, rectSource.Height) 

       Dim b As New Bitmap(Parent.ClientRectangle.Width, Parent.ClientRectangle.Height) 
       graphics.FromImage(b).DrawImage(MyBase.Parent.BackgroundImage, Parent.ClientRectangle) 
       graphics.DrawImage(b, rectDest, rectSource, GraphicsUnit.Pixel) 
      Else 
       Dim myBrush As New SolidBrush(MyBase.Parent.BackColor) 
       Dim rectDest As New Region(New Rectangle(0, 0, MyBase.Width, MyBase.Height)) 
       graphics.FillRegion(myBrush, rectDest) 
      End If 
     End If 
    End Sub 

    Protected Overrides Sub OnColumnAdded(ByVal e As System.Windows.Forms.DataGridViewColumnEventArgs) 
     MyBase.OnColumnAdded(e) 
     If _DGVHasTransparentBackground Then 
      SetCellStyle(Color.Transparent) 
     End If 
    End Sub 

    Private Sub SetCellStyle(ByVal cellColour As Color) 
     For Each col As DataGridViewColumn In MyBase.Columns 
      col.DefaultCellStyle.BackColor = cellColour 
      col.DefaultCellStyle.SelectionBackColor = cellColour 
     Next 
    End Sub 

End Class 

Преобразовать C# код? Помощь!
ИЛИ

protected override void PaintBackground(Graphics graphics, Rectangle clipBounds, Rectangle gridBounds) { 
    base.PaintBackground(graphics, clipBounds, gridBounds); 
    Rectangle rectSource = new Rectangle(this.Location.X, this.Location.Y, this.Width, this.Height); 
    Rectangle rectDest = new Rectangle(0, 0, rectSource.Width, rectSource.Height); 

    Bitmap b = new Bitmap(Parent.ClientRectangle.Width, Parent.ClientRectangle.Height); 
    Graphics.FromImage(b).DrawImage(this.Parent.BackgroundImage, Parent.ClientRectangle); 


    graphics.DrawImage(b, rectDest, rectSource, GraphicsUnit.Pixel); 
    SetCellsTransparent(); } 


public void SetCellsTransparent() { 
    this.EnableHeadersVisualStyles = false; 
    this.ColumnHeadersDefaultCellStyle.BackColor = Color.Transparent; 
    this.RowHeadersDefaultCellStyle.BackColor = Color.Transparent; 


    foreach (DataGridViewColumn col in this.Columns) 
    { 
     col.DefaultCellStyle.BackColor = Color.Transparent; 
     col.DefaultCellStyle.SelectionBackColor = Color.Transparent; 
    } } 

Пример проекта Пожалуйста, или код
Я не могу запустить этот код.

Answer 1

Я уже думал об этом. - Srriam Sakthivel
Я хотел спроектировать.
Тем не менее спасибо. :)

Проект загрузки: https://www.mediafire.com/?1nac18vdpdg27x5
Пример изображения: http://s1278.photobucket.com/user/murat34can52/media/datagridviewTransparent_zpstgnkjsb7.png.html

Исходный код
Form1

using System; 
using System.Collections.Generic; 
using System.ComponentModel; 
using System.Data; 
using System.Drawing; 
using System.Linq; 
using System.Text; 
using System.Threading.Tasks; 
using System.Windows.Forms; 

namespace winFormDataGridViewTransparentAndImage 
{ 
    public partial class Form1 : Form 
    { 
     public Form1() 
     { 
      InitializeComponent(); 
     } 

     /* 
      VB olan bu kodu C# internetteki convert siteleri sayesinde çevirdim 
      Ancak yeterli olmadı hata alıyordu nedeni bunu Form1.Designer.cs den 
      itibaren başlayan bir class olayı olduğu için. Nesne oluşturulurken 
      bizim verdiğimiz özelliklere göre oluşturulması gerekiyordu. 
      Neyse uzatmadan baya zaman harcadım C# çevirmek ve doğru istenilen 
      amaca ulaşmak için ama sonunda başarmak önemli adımlarımdan biri oldu. 

      #Murat Çakmak (Dikey)   
     */ 

     private void Form1_Load(object sender, EventArgs e) 
     { 
      DataTable dt = new DataTable(); 
      dt.Columns.Add("Columns1"); 
      dt.Columns.Add("Columns2"); 

      dt.Rows.Add("Rows1", "Rows1"); 
      dt.Rows.Add("Rows2", "Rows2"); 
      dataGridView1.DataSource = dt; 
      dataGridView2.DataSource = dt; 
     } 

     private void button1_Click(object sender, EventArgs e) 
     { 
      dataGridView1.Size = new Size(0,0); 
      dataGridView2.Size = new Size(0,0); 
      dataGridView1.Size = new Size(350, 350); 
      dataGridView2.Size = new Size(350, 350); 
     } 
    } 
} 

Form1 Дизайнер

namespace winFormDataGridViewTransparentAndImage 
{ 
    partial class Form1 
    { 
     /// <summary> 
     /// Required designer variable. 
     /// </summary> 
     private System.ComponentModel.IContainer components = null; 

     /// <summary> 
     /// Clean up any resources being used. 
     /// </summary> 
     /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param> 
     protected override void Dispose(bool disposing) 
     { 
      if (disposing && (components != null)) 
      { 
       components.Dispose(); 
      } 
      base.Dispose(disposing); 
     } 

     #region Windows Form Designer generated code 

     /// <summary> 
     /// Required method for Designer support - do not modify 
     /// the contents of this method with the code editor. 
     /// </summary> 
     private void InitializeComponent() 
     { 
      System.Windows.Forms.DataGridViewCellStyle dataGridViewCellStyle1 = new System.Windows.Forms.DataGridViewCellStyle(); 
      System.Windows.Forms.DataGridViewCellStyle dataGridViewCellStyle2 = new System.Windows.Forms.DataGridViewCellStyle(); 
      System.Windows.Forms.DataGridViewCellStyle dataGridViewCellStyle3 = new System.Windows.Forms.DataGridViewCellStyle(); 
      System.Windows.Forms.DataGridViewCellStyle dataGridViewCellStyle4 = new System.Windows.Forms.DataGridViewCellStyle(); 
      System.Windows.Forms.DataGridViewCellStyle dataGridViewCellStyle5 = new System.Windows.Forms.DataGridViewCellStyle(); 
      System.Windows.Forms.DataGridViewCellStyle dataGridViewCellStyle6 = new System.Windows.Forms.DataGridViewCellStyle(); 
      this.button1 = new System.Windows.Forms.Button(); 
      this.dataGridView2 = new transDataGridView(); 
      this.dataGridView1 = new transDataGridViewAndImage(); 
      ((System.ComponentModel.ISupportInitialize)(this.dataGridView2)).BeginInit(); 
      ((System.ComponentModel.ISupportInitialize)(this.dataGridView1)).BeginInit(); 
      this.SuspendLayout(); 
      // 
      // button1 
      // 
      this.button1.Location = new System.Drawing.Point(13, 397); 
      this.button1.Name = "button1"; 
      this.button1.Size = new System.Drawing.Size(75, 23); 
      this.button1.TabIndex = 3; 
      this.button1.Text = "Size++"; 
      this.button1.UseVisualStyleBackColor = true; 
      this.button1.Click += new System.EventHandler(this.button1_Click); 
      // 
      // dataGridView2 
      // 
      this.dataGridView2.AllowUserToAddRows = false; 
      this.dataGridView2.BorderStyle = System.Windows.Forms.BorderStyle.None; 
      this.dataGridView2.CellBorderStyle = System.Windows.Forms.DataGridViewCellBorderStyle.None; 
      this.dataGridView2.ColumnHeadersBorderStyle = System.Windows.Forms.DataGridViewHeaderBorderStyle.None; 
      dataGridViewCellStyle1.Alignment = System.Windows.Forms.DataGridViewContentAlignment.MiddleLeft; 
      dataGridViewCellStyle1.BackColor = System.Drawing.Color.Transparent; 
      dataGridViewCellStyle1.Font = new System.Drawing.Font("Microsoft Sans Serif", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(162))); 
      dataGridViewCellStyle1.ForeColor = System.Drawing.SystemColors.WindowText; 
      dataGridViewCellStyle1.SelectionBackColor = System.Drawing.SystemColors.Highlight; 
      dataGridViewCellStyle1.SelectionForeColor = System.Drawing.SystemColors.HighlightText; 
      dataGridViewCellStyle1.WrapMode = System.Windows.Forms.DataGridViewTriState.True; 
      this.dataGridView2.ColumnHeadersDefaultCellStyle = dataGridViewCellStyle1; 
      this.dataGridView2.ColumnHeadersHeightSizeMode = System.Windows.Forms.DataGridViewColumnHeadersHeightSizeMode.AutoSize; 
      dataGridViewCellStyle2.Alignment = System.Windows.Forms.DataGridViewContentAlignment.MiddleLeft; 
      dataGridViewCellStyle2.BackColor = System.Drawing.Color.Transparent; 
      dataGridViewCellStyle2.Font = new System.Drawing.Font("Microsoft Sans Serif", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(162))); 
      dataGridViewCellStyle2.ForeColor = System.Drawing.SystemColors.ControlText; 
      dataGridViewCellStyle2.SelectionBackColor = System.Drawing.SystemColors.Highlight; 
      dataGridViewCellStyle2.SelectionForeColor = System.Drawing.SystemColors.HighlightText; 
      dataGridViewCellStyle2.WrapMode = System.Windows.Forms.DataGridViewTriState.False; 
      this.dataGridView2.DefaultCellStyle = dataGridViewCellStyle2; 
      this.dataGridView2.DGVHasTransparentBackground = true; 
      this.dataGridView2.EnableHeadersVisualStyles = false; 
      this.dataGridView2.Location = new System.Drawing.Point(369, 12); 
      this.dataGridView2.Name = "dataGridView2"; 
      this.dataGridView2.RowHeadersBorderStyle = System.Windows.Forms.DataGridViewHeaderBorderStyle.None; 
      dataGridViewCellStyle3.Alignment = System.Windows.Forms.DataGridViewContentAlignment.MiddleLeft; 
      dataGridViewCellStyle3.BackColor = System.Drawing.Color.Transparent; 
      dataGridViewCellStyle3.Font = new System.Drawing.Font("Microsoft Sans Serif", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(162))); 
      dataGridViewCellStyle3.ForeColor = System.Drawing.Color.Transparent; 
      dataGridViewCellStyle3.SelectionBackColor = System.Drawing.SystemColors.Highlight; 
      dataGridViewCellStyle3.SelectionForeColor = System.Drawing.Color.Red; 
      dataGridViewCellStyle3.WrapMode = System.Windows.Forms.DataGridViewTriState.True; 
      this.dataGridView2.RowHeadersDefaultCellStyle = dataGridViewCellStyle3; 
      this.dataGridView2.Size = new System.Drawing.Size(337, 206); 
      this.dataGridView2.TabIndex = 2; 
      // 
      // dataGridView1 
      // 
      this.dataGridView1.AllowUserToAddRows = false; 
      this.dataGridView1.BorderStyle = System.Windows.Forms.BorderStyle.None; 
      this.dataGridView1.CellBorderStyle = System.Windows.Forms.DataGridViewCellBorderStyle.None; 
      this.dataGridView1.ColumnHeadersBorderStyle = System.Windows.Forms.DataGridViewHeaderBorderStyle.None; 
      dataGridViewCellStyle4.Alignment = System.Windows.Forms.DataGridViewContentAlignment.MiddleLeft; 
      dataGridViewCellStyle4.BackColor = System.Drawing.Color.Transparent; 
      dataGridViewCellStyle4.Font = new System.Drawing.Font("Microsoft Sans Serif", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(162))); 
      dataGridViewCellStyle4.ForeColor = System.Drawing.SystemColors.WindowText; 
      dataGridViewCellStyle4.SelectionBackColor = System.Drawing.SystemColors.Highlight; 
      dataGridViewCellStyle4.SelectionForeColor = System.Drawing.SystemColors.HighlightText; 
      dataGridViewCellStyle4.WrapMode = System.Windows.Forms.DataGridViewTriState.True; 
      this.dataGridView1.ColumnHeadersDefaultCellStyle = dataGridViewCellStyle4; 
      this.dataGridView1.ColumnHeadersHeightSizeMode = System.Windows.Forms.DataGridViewColumnHeadersHeightSizeMode.AutoSize; 
      this.dataGridView1.DGVHasTransparentBackground = true; 
      this.dataGridView1.EnableHeadersVisualStyles = false; 
      this.dataGridView1.Location = new System.Drawing.Point(12, 12); 
      this.dataGridView1.Name = "dataGridView1"; 
      this.dataGridView1.RowHeadersBorderStyle = System.Windows.Forms.DataGridViewHeaderBorderStyle.None; 
      dataGridViewCellStyle5.Alignment = System.Windows.Forms.DataGridViewContentAlignment.MiddleLeft; 
      dataGridViewCellStyle5.BackColor = System.Drawing.Color.Transparent; 
      dataGridViewCellStyle5.Font = new System.Drawing.Font("Microsoft Sans Serif", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(162))); 
      dataGridViewCellStyle5.ForeColor = System.Drawing.Color.Transparent; 
      dataGridViewCellStyle5.SelectionBackColor = System.Drawing.SystemColors.Highlight; 
      dataGridViewCellStyle5.SelectionForeColor = System.Drawing.SystemColors.HighlightText; 
      dataGridViewCellStyle5.WrapMode = System.Windows.Forms.DataGridViewTriState.True; 
      this.dataGridView1.RowHeadersDefaultCellStyle = dataGridViewCellStyle5; 
      dataGridViewCellStyle6.ForeColor = System.Drawing.Color.Red; 
      this.dataGridView1.RowsDefaultCellStyle = dataGridViewCellStyle6; 
      this.dataGridView1.Size = new System.Drawing.Size(304, 206); 
      this.dataGridView1.TabIndex = 0; 
      // 
      // Form1 
      // 
      this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F); 
      this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font; 
      this.BackgroundImageLayout = System.Windows.Forms.ImageLayout.Stretch; 
      this.ClientSize = new System.Drawing.Size(782, 432); 
      this.Controls.Add(this.button1); 
      this.Controls.Add(this.dataGridView2); 
      this.Controls.Add(this.dataGridView1); 
      this.Name = "Form1"; 
      this.Text = "Form1"; 
      this.Load += new System.EventHandler(this.Form1_Load); 
      ((System.ComponentModel.ISupportInitialize)(this.dataGridView2)).EndInit(); 
      ((System.ComponentModel.ISupportInitialize)(this.dataGridView1)).EndInit(); 
      this.ResumeLayout(false); 

     } 

     #endregion 

     private transDataGridViewAndImage dataGridView1; 
     private transDataGridView dataGridView2; 
     private System.Windows.Forms.Button button1; 


    } 
} 

Прозрачный DataGridView Класс Источник

using Microsoft.VisualBasic; 
using System; 
using System.Collections; 
using System.Collections.Generic; 
using System.Data; 
using System.Diagnostics; 
using System.ComponentModel; 
using System.Windows.Forms; 
using System.Drawing; 
using System.Drawing.Drawing2D; 
using System.Drawing.Imaging; 

public class transDataGridView : DataGridView 
{ 
    // VB Converted To C# And Code Edit : Murat Çakmak 
    private bool _DGVHasTransparentBackground; 
    [Category("Transparency"), Description("Select whether the control has a Transparent Background.")] 
    public bool DGVHasTransparentBackground 
    { 
     get { return _DGVHasTransparentBackground; } 
     set 
     { 
      _DGVHasTransparentBackground = value; 
      if (_DGVHasTransparentBackground) 
      { 
       this.SetTransparentProperties(true); 
      } 
      else 
      { 
       this.SetTransparentProperties(false); 
      } 
     } 
    } 

    public transDataGridView() 
    { 
     DGVHasTransparentBackground = true; 
    } 

    private void SetTransparentProperties(bool SetAsTransparent) 
    { 
     if (SetAsTransparent) 
     { 
      base.DoubleBuffered = true; 
      base.EnableHeadersVisualStyles = false; 
      base.ColumnHeadersDefaultCellStyle.BackColor = Color.Transparent; 
      base.RowHeadersDefaultCellStyle.BackColor = Color.Transparent; 
      SetCellStyle(Color.Transparent); 
     } 
     else 
     { 
      base.DoubleBuffered = false; 
      base.EnableHeadersVisualStyles = true; 
      base.ColumnHeadersDefaultCellStyle.BackColor = SystemColors.Control; 
      base.RowHeadersDefaultCellStyle.BackColor = SystemColors.Control; 
      SetCellStyle(Color.White); 
     } 
    } 

    protected override void PaintBackground(System.Drawing.Graphics graphics, System.Drawing.Rectangle clipBounds, System.Drawing.Rectangle gridBounds) 
    { 
     base.PaintBackground(graphics, clipBounds, gridBounds); 

     if (_DGVHasTransparentBackground) 
     { 
      // DataGridView Transparent ! 
      SolidBrush myBrush = new SolidBrush(base.Parent.BackColor); // (Form1 BackColor) veya bir resme boyanabilir. 
      Region rectDest = new Region(new Rectangle(0, 0, base.Width, base.Height)); 
      graphics.FillRegion(myBrush, rectDest); 


     } 
    } 

    protected override void OnColumnAdded(System.Windows.Forms.DataGridViewColumnEventArgs e) 
    { 
     base.OnColumnAdded(e); 
     if (_DGVHasTransparentBackground) 
     { 
      SetCellStyle(Color.Transparent); 
     } 
    } 

    private void SetCellStyle(Color cellColour) 
    { 
     foreach (DataGridViewColumn col in base.Columns) 
     { 
      col.DefaultCellStyle.BackColor = cellColour; 
      col.DefaultCellStyle.SelectionBackColor = cellColour; // selection cell color example Color.Red; 
     } 
    } 

} 

Прозрачный DataGridView И İmage Класс Источник

using Microsoft.VisualBasic; 
using System; 
using System.Collections; 
using System.Collections.Generic; 
using System.Data; 
using System.Diagnostics; 
using System.ComponentModel; 
using System.Windows.Forms; 
using System.Drawing; 
using System.Drawing.Drawing2D; 
using System.Drawing.Imaging; 

public class transDataGridViewAndImage : DataGridView 
{ 
    // VB Converted To C# And Code Edit : Murat Çakmak 
    private bool _DGVHasTransparentBackground; 
    [Category("Transparency"), Description("Select whether the control has a Transparent Background.")] 
    public bool DGVHasTransparentBackground 
    { 
     get { return _DGVHasTransparentBackground; } 
     set 
     { 
      _DGVHasTransparentBackground = value; 
      if (_DGVHasTransparentBackground) 
      { 
       this.SetTransparentProperties(true); 
      } 
      else 
      { 
       this.SetTransparentProperties(false); 
      } 
     } 
    } 

    public transDataGridViewAndImage() 
    { 
     DGVHasTransparentBackground = true; 
    } 

    private void SetTransparentProperties(bool SetAsTransparent) 
    { 
     if (SetAsTransparent) 
     { 
      base.DoubleBuffered = true; 
      base.EnableHeadersVisualStyles = false; 
      base.ColumnHeadersDefaultCellStyle.BackColor = Color.Transparent; 
      base.RowHeadersDefaultCellStyle.BackColor = Color.Transparent; 
      SetCellStyle(Color.Transparent); 
     } 
     else 
     { 
      base.DoubleBuffered = false; 
      base.EnableHeadersVisualStyles = true; 
      base.ColumnHeadersDefaultCellStyle.BackColor = SystemColors.Control; 
      base.RowHeadersDefaultCellStyle.BackColor = SystemColors.Control; 
      SetCellStyle(Color.White); 
     } 
    } 

    bool imageLoad = false; 

    protected override void PaintBackground(System.Drawing.Graphics graphics, System.Drawing.Rectangle clipBounds, System.Drawing.Rectangle gridBounds) 
    { 
     base.PaintBackground(graphics, clipBounds, gridBounds); 

     if (_DGVHasTransparentBackground) 
     { 
      // DataGridView İmage Load ! 
      Bitmap b = new Bitmap(winFormDataGridViewTransparentAndImage.Properties.Resources._3d_Hd_Wallpapers); 
      graphics.DrawImage(b, 0, 0, base.Size.Width, base.Size.Height); 
     } 
    } 

    protected override void OnColumnAdded(System.Windows.Forms.DataGridViewColumnEventArgs e) 
    { 
     base.OnColumnAdded(e); 
     if (_DGVHasTransparentBackground) 
     { 
      SetCellStyle(Color.Transparent); 
     } 
    } 

    private void SetCellStyle(Color cellColour) 
    { 
     foreach (DataGridViewColumn col in base.Columns) 
     { 
      col.DefaultCellStyle.BackColor = cellColour; 
      col.DefaultCellStyle.SelectionBackColor = cellColour; 
     } 
    } 

}