Splash Screen

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;

namespace SplashSample
...{
    /**//// <summary>
    /// Summary description for Splash.
    /// </summary>
    public class Splash : System.Windows.Forms.Form
    ...{
        private System.Windows.Forms.Label label1;
        /**//// <summary>
        /// Required designer variable.
        /// </summary>
        private System.ComponentModel.Container components = null;

        public Splash()
        ...{
            //
            // Required for Windows Form Designer support
            //
            InitializeComponent();

            //
            // TODO: Add any constructor code after InitializeComponent call
            //
        }

        /**//// <summary>
        /// Clean up any resources being used.
        /// </summary>
        protected override void Dispose( bool disposing )
        ...{
            if( disposing )
            ...{
                if(components != null)
                ...{
                    components.Dispose();
                }
            }
            base.Dispose( disposing );
        }

        Windows Form Designer generated code#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()
        ...{
            this.label1 = new System.Windows.Forms.Label();
            this.SuspendLayout();
            // 
            // label1
            // 
            this.label1.Font = new System.Drawing.Font("Microsoft Sans Serif", 20F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
            this.label1.ForeColor = System.Drawing.Color.Blue;
            this.label1.Location = new System.Drawing.Point(8, 24);
            this.label1.Name = "label1";
            this.label1.Size = new System.Drawing.Size(280, 80);
            this.label1.TabIndex = 0;
            this.label1.Text = "Splash Screen";
            this.label1.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
            // 
            // Splash
            // 
            this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
            this.ClientSize = new System.Drawing.Size(292, 125);
            this.Controls.Add(this.label1);
            this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.None;
            this.Name = "Splash";
            this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
            this.Text = "Splash";
            this.ResumeLayout(false);

        }
        #endregion
    }
}

 

 

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;

namespace SplashSample
...{
    public class SplashAppContext : ApplicationContext
    ...{
        Form mainForm = null;
        Timer splashTimer = new Timer();        

        public SplashAppContext(Form mainForm, Form splashForm) : base(splashForm)
        ...{
            this.mainForm = mainForm;
    
            splashTimer.Tick += new EventHandler(SplashTimeUp);
            splashTimer.Interval = 2000;
            splashTimer.Enabled = true;
        }

        /**//// <summary>
        /// This is the timer event handler.  We use the timer to tell the ApplicationContext 
        /// that the splash screen is ready to be closed.
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void SplashTimeUp(object sender, EventArgs e)
        ...{
            //This is called if the splash is ready to be closed.  In order to do this
            //we first dispose of the timer (we dont need any leaks do we?) and then
            //call the base.MainForm.Close function which will triger the MainFormClosed event
            //that we overrode so we can set the Application Context's main form as the 
            //main form the user passed into the constructor.
        
            splashTimer.Enabled = false;
            splashTimer.Dispose();

            base.MainForm.Close();            
        }

        /**//// <summary>
        /// Normaly, if not overridden, this event will call ExitThreadCore function.
        /// We have overridden it to catch when the splash form has closed.  When the
        /// spash form closes, we want to set the main form passed in the contructor to
        /// the base.MainForm property.  when the main form closes, this override will be
        /// called again, and we just pass the call onto the base.OnMainFormClosed, with will
        /// tells the Application object to terminate the UI thread.
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected override void OnMainFormClosed(object sender, EventArgs e)
        ...{
            if (sender is Splash)
            ...{
                base.MainForm = this.mainForm;
                base.MainForm.Show();
            }
            else if (sender is Form1)
            ...{
                base.OnMainFormClosed(sender, e);
            }
        }

        /**//// <summary>
        /// This sets how long the spash form will show once it is at 100% opacity.  Default is 2 seconds.
        /// </summary>
        public int SecondsSplashShown
        ...{
            set
            ...{
                splashTimer.Interval = value * 1000;                
            }
        }
    }



    public class SplashFadeAppContext : ApplicationContext
    ...{
        /**//// <summary>
        /// Internal flags to tell process what state the splash form is in
        /// </summary>
        private enum FormStatus
        ...{
            Open = 1,
            Opening = 2,
            Closing = 4,
            Closed = 8
        }

        private FormStatus formStatus = FormStatus.Open;
        private Form mainForm = null;
        private Timer splashTimer = new Timer();                        
        private int showSplashInterval = 2000;
        private int fadeInterval = 50;        
        private bool doFadeClose = false;
        

        public SplashFadeAppContext(Form mainForm, Form splashForm) : base(splashForm)
        ...{            
            this.mainForm = mainForm;
            
            splashTimer.Tick += new EventHandler(SplashTimeUp);
            splashTimer.Interval = fadeInterval;
            splashTimer.Enabled = true;
        }

        /**//// <summary>
        /// This is the timer event that controls what our spash screen does.
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void SplashTimeUp(object sender, EventArgs e)
        ...{                        
            if (formStatus == FormStatus.Opening)
            ...{
                //if the splash is opening, the opacity will increase in increments of 5 until it is fully
                //shown.  Once it is fully opacic, it sets the status flag to open.
                if (base.MainForm.Opacity < 1)
                    base.MainForm.Opacity += .05;
                else                                
                    formStatus = FormStatus.Open;                                    
            }
            else if (formStatus == FormStatus.Closing)
            ...{
                //if the splash is closing, the opacity will decrease in increments of 5 until it is fully
                //hidden.  Once it is fully transparent, it sets the status flag to closed.
                if (base.MainForm.Opacity > .10)
                ...{
                    base.MainForm.Opacity -= .05;
                    splashTimer.Interval = fadeInterval;
                }
                else
                ...{
                    formStatus = FormStatus.Closed;                    
                }
            }
            else if (formStatus == FormStatus.Open)
            ...{
                //Once the splash is open and fully shown, the timer interval is set to the splash delay setting,
                //which is defaulted to 2 seconds, and then sets the status flag depending on if the user
                //wants to just close the splash or fade it out.
                splashTimer.Interval = showSplashInterval;                

                if (doFadeClose)
                    formStatus = FormStatus.Closing;
                else
                    formStatus = FormStatus.Closed;                
            }            
            else if(formStatus == FormStatus.Closed)
            ...{
                //This is called if the splash is ready to be closed.  In order to do this
                //we first dispose of the timer (we dont need any leaks do we?) and then
                //call the base.MainForm.Close function which will triger the MainFormClosed event
                //that we overrode so we can set the Application Context's main form as the 
                //main form the user passed into the constructor.
                splashTimer.Enabled = false;
                splashTimer.Dispose();
                base.MainForm.Close();
            }
        }

        /**//// <summary>
        /// Normaly, if not overridden, this event will call ExitThreadCore function.
        /// We have overridden it to catch when the splash form has closed.  When the
        /// spash form closes, we want to set the main form passed in the contructor to
        /// the base.MainForm property.  when the main form closes, this override will be
        /// called again, and we just pass the call onto the base.OnMainFormClosed, with will
        /// tells the Application object to terminate the UI thread.
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected override void OnMainFormClosed(object sender, EventArgs e)
        ...{
            if (sender is Splash)
            ...{
                base.MainForm = this.mainForm;
                base.MainForm.Show();
            }
            else if (sender is Form1)
            ...{
                base.OnMainFormClosed(sender, e);
            }
        }

        Public Properties#region Public Properties

        /**//// <summary>
        /// Bool that determines if spash form will fade up from 0% opacity to 100% when 
        /// the spash form opens.  Default is false.
        /// </summary>
        public bool DoFadeOpen
        ...{
            set
            ...{
                if (value == true)
                ...{
                    base.MainForm.Opacity = 0;
                    formStatus = FormStatus.Opening;
                }
            }
        }

        /**//// <summary>
        /// Bool that determines if spash form will fade down from 100% opacity to 0% when 
        /// the spash form closes.  Default is false.
        /// </summary>
        public bool DoFadeClose
        ...{
            set
            ...{
                doFadeClose = value;
            }
        }

        /**//// <summary>
        /// This sets how long the spash form will show once it is at 100% opacity.  Default is 2 seconds.
        /// </summary>
        public int SecondsSplashShown
        ...{
            set
            ...{
                showSplashInterval = value * 1000;
            }
        }
        #endregion Public Properties
    }
}

 

 

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;

namespace SplashSample
...{
    /**//// <summary>
    /// Summary description for Form1.
    /// </summary>
    public class Form1 : System.Windows.Forms.Form
    ...{
        /**//// <summary>
        /// Required designer variable.
        /// </summary>
        private System.ComponentModel.Container components = null;

        public Form1()
        ...{
            //
            // Required for Windows Form Designer support
            //
            InitializeComponent();
        }

        /**//// <summary>
        /// Clean up any resources being used.
        /// </summary>
        protected override void Dispose( bool disposing )
        ...{
            if( disposing )
            ...{
                if (components != null) 
                ...{
                    components.Dispose();
                }
            }
            base.Dispose( disposing );
        }

        Windows Form Designer generated code#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()
        ...{
            // 
            // Form1
            // 
            this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
            this.ClientSize = new System.Drawing.Size(292, 273);
            this.Name = "Form1";
            this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
            this.Text = "Form1";

        }
        #endregion

        /**//// <summary>
        /// The main entry point for the application.
        /// </summary>
        [STAThread]
        static void Main() 
        ...{
            //SplashAppContext splashContext = new SplashAppContext(new Form1(), new Splash());

            SplashFadeAppContext splashContext = new SplashFadeAppContext(new Form1(), new Splash());
            splashContext.DoFadeOpen = true;
            splashContext.DoFadeClose = true;
            splashContext.SecondsSplashShown = 1;

            Application.Run(splashContext);
        }
    }
}