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Simplest way to implement irregular forms in .NET

, 24 Jan 2011 CPOL
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Make irregular splash screens without writing a single line of code!
Irregular splash screens are quite common these days (e.g. Photoshop, etc.)
Do you want to make an irregular splash screen for your .NET application with minimal or no code at all? Here is the tip:
  1. Prepare the irregularly shaped image in GIF format with
    transparent background in your favorite image editor
  2. On your .NET WinForm, set this GIF image as the
    BackgroundImage property of the form. The image should appear on
    the form now
  3. Set the FormBorderStyle property as 'None'
  4. Set the BackgroundImageLayout property as 'None'
  5. Set the BackColor property to a color that is not in your
    picture (eg. Teal)
  6. Set the TransparencyKey property of form to the same color
  7. Run the application: You have made your irregular splash
    screen. Don't forget to set the StartPosition property to
    CenterScreen too

Hope this is a helpful tip. Forgive me if some of you already know this. In earlier days, I used to write a full class with drawing functions to achieve the same effect.

Nejimon CR
Software Developer
Kerala, India

You might also like to take a look at my article on CodeProject:
Serial Foot Pedal Device Server[^]


This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)


About the Author

Nejimon CR
India India
Nejimon CR started coding in early 2000s with classic Visual Basic 6, later moving onto .NET platform. His favorite flavor of language is C#.Net, previously VB.NET. Knowledge of MASM and ample experience with Win32 APIs has helped polish his expertise of Windows programming to a greater extent.

His areas of interests have been: MASM, UI Automation, AutoIt Scripts, Microsoft Technologies in general, etc.

His latest areas functioning are: ASP.NET MVC, Web API, Node.js, Linq, Entity Framework,etc.

His Articles on CodeProject:

Comments and Discussions

GeneralMy vote of 5 PinmemberPravin Patil, Mumbai16-Jul-12 21:41 
GeneralReason for my vote of 5 it is simple and very usefull PinmemberAsutosha9-Jan-12 20:10 
GeneralReason for my vote of 5 My vote of 5 A very simple and elega... Pinmemberchathuranga abeyrathne19-Oct-11 7:55 
GeneralMy vote of 5 A very simple and elegant idea PinmemberReiss1-Sep-11 2:33 
GeneralReason for my vote of 5 So simple yet so powerful. Nice. Pinmemberzulu6-Jul-11 13:52 
GeneralReason for my vote of 5 Great tip!!! PinmemberXChronos13-Feb-11 16:57 
GeneralThis is a nice tip, but be aware that it will not work with ... PinmemberRobertWAnderson1-Feb-11 8:45 
GeneralYes, simple is good. PinmemberOscar D Martinez31-Jan-11 9:39 
GeneralThanks for the comment very simple and useful Pinmemberjesuseg0731-Jan-11 7:08 
GeneralReason for my vote of 5 I like these simple tricks! PinmemberMrRexx27-Jan-11 1:24 
GeneralRe: Thanks for the comment PinmemberNejimon CR28-Jan-11 4:01 
GeneralReason for my vote of 5 Simple and nice PinmemberLokanta_brahmachari25-Jan-11 2:36 
Reason for my vote of 5
Simple and nice
GeneralRe: Thank you.. PinmemberNejimon CR28-Jan-11 4:01 
GeneralReason for my vote of 5 Nice tip! PinmvpManfred R. Bihy23-Jan-11 7:35 
GeneralRe: Thank you PinmemberNejimon CR28-Jan-11 4:01 
GeneralReason for my vote of 5 So simple. Never thought of that mys... PinmemberMr.Jinky22-Jan-11 23:38 
GeneralRe: Thank you, Mr. Jinky PinmemberNejimon CR28-Jan-11 4:00 
GeneralRemoved 'Email' to avoid spam. PinmvpSandeep Mewara22-Jan-11 8:57 

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