동구의 블로그

        private void lb_propertyList_DrawItem(object sender, DrawItemEventArgs e)
        {
            e.DrawBackground();
            e.Graphics.DrawString(this.lb_propertyList.Items[e.Index].ToString(),
                e.Font, Brushes.Black, e.Bounds, StringFormat.GenericDefault);
            e.DrawFocusRectangle();
        }

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

namespace Intelligent
{
    public partial class FormMapOptions : Form
    {
        /// <summary>
        /// ListBox 개체의 SelectedIndex 이전 값입니다.
        /// </summary>
        int prevLBSelectedIndex = -1;

        public FormMapOptions()
        {
            InitializeComponent();
            this.InitListBox();
        }

        private void InitListBox()
        {
            //ItemHeght는 아이템의 개수에 따라 달라집니다.
            this.lb_propertyList.ItemHeight = (this.lb_propertyList.Height / this.lb_propertyList.Items.Count);
            this.lb_propertyList.SelectedIndex = 0;
        }

        private void lb_propertyList_DrawItem(object sender, DrawItemEventArgs e)
        {
            e.DrawBackground();

            Brush brush;
            if (this.lb_propertyList.SelectedIndex == e.Index)
                brush = Brushes.White;
            else
                brush = Brushes.Black;

            //Font의 Height를 더한 만큼 좌표를 변경합니다.
            int x = e.Bounds.X + e.Font.Height;
            int y = e.Bounds.Y + e.Font.Height;

            e.Graphics.DrawString(this.lb_propertyList.Items[e.Index].ToString(),
                e.Font, brush, x, y, StringFormat.GenericDefault);
            e.DrawFocusRectangle();
        }
        
        private void lb_propertyList_SelectedIndexChanged(object sender, EventArgs e)
        {
            //맨처음을 제외하고 Item 선택이 변경되면
            //이전의 선택 되어있던 아이템의 문자 색상을 White->Black으로 변경 하기 위해
            //Invalidate 메서드를 호출해 아이템을 다시그립니다.
            if (this.prevLBSelectedIndex != -1)
                this.lb_propertyList.Invalidate(this.lb_propertyList.GetItemRectangle(this.prevLBSelectedIndex));

            this.prevLBSelectedIndex = this.lb_propertyList.SelectedIndex;
        }
    }
}

        private void ChangeTabColor(DrawItemEventArgs e)
        {
            Font TabFont;
            Brush BackBrush = new SolidBrush(Color.Green); //Set background color
            Brush ForeBrush = new SolidBrush(Color.Yellow);//Set foreground color
            if (e.Index == this.tabControl1.SelectedIndex)
            {
                TabFont = new Font(e.Font, FontStyle.Italic FontStyle.Bold);
            }
            else
            {
                TabFont = e.Font;
            }
            string TabName = this.tabControl1.TabPages[e.Index].Text;
            StringFormat sf = new StringFormat();
            sf.Alignment = StringAlignment.Center;
            e.Graphics.FillRectangle(BackBrush, e.Bounds);
            Rectangle r = e.Bounds;
            r = new Rectangle(r.X, r.Y + 3, r.Width, r.Height - 3);
            e.Graphics.DrawString(TabName, TabFont, ForeBrush, r, sf);
            //Dispose objects
            sf.Dispose();
            if (e.Index == this.tabControl1.SelectedIndex)
            {
                TabFont.Dispose();
                BackBrush.Dispose();
            }
            else
            {
                BackBrush.Dispose();
                ForeBrush.Dispose();
            }
        }

        /// <summary>
        /// 디자이너 지원에 필요한 메서드입니다.
        /// 이 메서드의 내용을 코드 편집기로 수정하지 마십시오.
        /// </summary>
        private void InitializeComponent()
        {
            this.SuspendLayout();
            // 
            // Form1
            // 
            this.AutoScaleDimensions = new System.Drawing.SizeF(7F, 12F);
            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
            this.ClientSize = new System.Drawing.Size(678, 416);
            this.Name = "Form1";
            this.Text = "Form1";
            this.Load += new System.EventHandler(this.Form1_Load);
            this.ResumeLayout(false);

        }

new SolidBrush(label.DrawPen.Color);

//불투명하게 적용
this.RectangleShape1.BackStyle = Microsoft.VisualBasic.PowerPacks.BackStyle.Opaque;
// BackColor 지정
this.RectangleShape1.BackColor = Color.Yellow;

//임시폴더 경로가져오기 
string tempFolderPath = System.IO.Path.GetTempPath();
 
//임시파일 경로가져오기
string tempFile = System.IO.Path.GetTempFileName();

    class DemandsDataGridView:DataGridView
    {
        DataGridViewCell previousCell;
        bool resetting = false;

        public DemandsDataGridView()
        {
            this.CellPainting += new DataGridViewCellPaintingEventHandler(dataGridView_CellPainting);
            this.CellLeave += new DataGridViewCellEventHandler(dataGridView_CellLeave);
            this.SelectionChanged += new EventHandler(dataGridView_SelectionChanged);
        }

        void dataGridView_SelectionChanged(object sender, EventArgs e)
        {
            if (this.CurrentCell != null && this.resetting==false)
            {
                if (this.CurrentCell.ColumnIndex == 0 || this.CurrentCell.RowIndex == 0)
                {
                    this.resetting = true;
                    this.CurrentCell.Selected = false;
                    this.CurrentCell = this.previousCell;
                    this.resetting = false;
                }
            }
        }

        void dataGridView_CellLeave(object sender, DataGridViewCellEventArgs e)
        {
            this.previousCell = this.CurrentCell;
        }
    }