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Posted 11 Dec 2003

Cute Splash Windows and About Boxes using .NET

, 11 Dec 2003
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Building good looking Splash Windows on application startup and About boxes with special effects


Every well designed commercial windows application needs a good splash window to display the name of the application, company details, copy right notice and other contact information. The same window can be displayed as an About box.


The images below show the CuteSplash example in action. The main window in the example is only a dummy window with no functionality and is used only to show how the Splash Window works.

Sample screenshot

Sample screenshot

Opacity and TransparencyKey properties of a Form are used to build the SplashWindow class. When building the form it is important that the background of the image or the Form should be set to the color used to set the TransparencyKey to make parts of form invisible ! Also set the FormBorderStyle property to None.

A thread is kicked off on Load event of SplashWindow to make this class independent and reusable. A Close button is added to the form to kill the window. The Click event on the button will just flag the thread to exit. Instead of suspending the thread it is flagged to exit to get the fading effect.

Here is the relevant code.

void DrawSplashWindow()
    mrEvent = new ManualResetEvent(false);
    mrEvent.WaitOne(4000, true);
    //fader loop
    for (double i=100.0; i>=0.0; i-=5.0) // run opacity index
        Opacity = i/100.0;// decrease opacity

When the Close button is pressed the ManualResetEvent is Set to signal the Event and come out of the block on mrEvent.WaitOne() in the DrawSplashWindow() method.

private void OnClose(object sender, System.EventArgs e)
    // make the close button invisible
    CloseBtn.Visible = false;
    // flag the DrawSplashWindow thread to exit


Opacity property is available only on Windows 2000 and Windows XP !

Extending the code

There are many ways the example given in this article can be used to enhance the splash window.
  • The text can be drawn using the Graphics.DrawString() method. Calculating the location and drawing one character at a time is a good idea (it brings life to the window).
  • To add details like registration and contact information at runtime add static and edit box controls rather than drawing them.
  • Since the SplashWindow class is a stand alone reusable class the display string, duration of display and fading effect can all be parameterized to build a generic class.
    I leave the rest to the imagination of the reader :-)


This article has no explicit license attached to it but may contain usage terms in the article text or the download files themselves. If in doubt please contact the author via the discussion board below.

A list of licenses authors might use can be found here


About the Author

Sriram Chitturi
United States United States
No Biography provided

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Comments and Discussions

GeneralNever Update the UI Directly from a Worker Thread Pin
tupacs0124-Sep-04 19:34
membertupacs0124-Sep-04 19:34 
GeneralUnusual code Pin
ThePhoenix14-Dec-03 8:56
memberThePhoenix14-Dec-03 8:56 
GeneralRe: Unusual code Pin
Sriram Chitturi14-Dec-03 9:53
memberSriram Chitturi14-Dec-03 9:53 
GeneralQuick improvement Pin
dog_spawn12-Dec-03 13:14
memberdog_spawn12-Dec-03 13:14 
GeneralRe: Quick improvement Pin
Sriram Chitturi13-Dec-03 3:30
memberSriram Chitturi13-Dec-03 3:30 
GeneralYes. Pin
Shog914-Dec-03 8:23
memberShog914-Dec-03 8:23 
GeneralRe: Yes. Pin
Sriram Chitturi14-Dec-03 9:37
memberSriram Chitturi14-Dec-03 9:37 
GeneralRe: Quick improvement Pin
Simon Brown14-Dec-03 22:08
memberSimon Brown14-Dec-03 22:08 

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