修改的Vista风格多功能日历Demo

Vista风格日历程序来源于网上开源程序,首先感谢下原作者的无私奉献!

在原来基础上稍作修改添加了一些演示,效果如图:

 

新增演示:1,gdi绘制小图标,

              2,带图标的ComboBox 

实际应用:

           可以抓取气象网上的气象信息,做一个完善的小程序。


代码:

带图标的ComboBox
public class UIcombox : ComboBox
    {
        
public UIcombox()
        {
            DrawMode 
= DrawMode.OwnerDrawFixed;
        }
        
private ImageList _ListaImg = new ImageList();

        
public ImageList ImageList
        {
            
get
            {
                
return _ListaImg;
            }
            
set
            {
                _ListaImg 
= value;
            }
        }

        
private bool _ShowTitle = true;
        
public bool ShowTitle
        {
            
get
            {
                
return _ShowTitle;
            }
            
set
            {
                _ShowTitle 
= value;
            }
        }
        
protected override void OnDrawItem(DrawItemEventArgs e)
        {
            
if (e.Index >= 0)
            {
                e.DrawBackground();
                e.DrawFocusRectangle();
                Rectangle bounds 
= new Rectangle();

                bounds 
= e.Bounds;

                
string s = "";
                
if (_ShowTitle == true)
                {
                    s 
= this.Items[e.Index].ToString();
                }

                
try
                {
                    
if (_ListaImg.Images.Count != 0)
                    {
                        
//_ListaImg.ImageSize = new Size(this.Height - 8, this.Height - 8);  /*此处new操作之后_ListImg会为NULL*/
                        _ListaImg.Draw(e.Graphics, bounds.Left, bounds.Top, e.Index);
                        e.Graphics.DrawString(s, e.Font, 
new SolidBrush(e.ForeColor), bounds.Left + _ListaImg.Images[e.Index].Width, bounds.Top);
                    }
                    
else
                    {
                        e.Graphics.DrawString(s, e.Font, 
new SolidBrush(e.ForeColor), bounds.Left, bounds.Top);
                    }
                }
                
catch   /*ImageList中Images尽量与ComBox中Items对应*/
                {
                    e.Graphics.DrawString(s, e.Font, 
new SolidBrush(e.ForeColor), bounds.Left, bounds.Top);
                }
            }
            
base.OnDrawItem(e);
        }
    }

完整项目下载: /Files/cxwx/VistaCalendarProject.rar

原文地址:https://www.cnblogs.com/cxwx/p/1766665.html