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AlphaGradientPanel, an extended panel

, 24 Mar 2006 CPOL
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A panel that has rounded borders, gradients, and transparency.


This is a panel, first of all. Therefore, it has all the advantages of a panel, plus some nice little features.

Using the code

You'll just have to include the component in your toolbox and use it.

The only property that is a bit special is the Colors() property. It is a collection of items and has design-time visibility in the property grid. I'm still trying to achieve transforming the color name that appears in the property grid in a nice drawing... If anybody knows how that can be achieved, please, please, please, let me know Wink | ;)


  • Rounded corners (any one of them or all at the same time).
  • Gradients (from 2 to n colors, with some special effects).
  • Transparency (any color can be made transparent with an "Alpha" value between 0 and 255).
  • Borders, even with rounded corners, have a nice little border.
  • Image inclusion (position, opacity, size, grayscale, and padding).
  • Padding of the content, of the back, and of the docking.


  • Version 1.0.


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


About the Author

Nicolas Wälti
Software Developer (Senior)
Switzerland Switzerland
No Biography provided

Comments and Discussions

GeneralRe: frustrating PinmemberDavid Minder22-Dec-09 5:16 
QuestionAdding an AlphaGradientPanel at runtime? PinmemberSMothes29-Sep-08 5:38 
AnswerRe: Adding an AlphaGradientPanel at runtime? PinmemberNick Waelti1-Oct-08 2:10 
Questiontransparency over controls PinmemberFallakka14-Aug-08 0:06 
Hi, i needed this to cover a whole form and have it semi transparent and show something on it, in a way that the whole form including the controls remains slightly visible. the problem im getting is that although i set the alpha levels and all, the controls are not visible through the panel... is there a way to do this? thanks
GeneralTransparency problem Pinmemberzuraw13-Mar-08 5:06 
GeneralRe: Transparency problem Pinmembercdebel26-Feb-09 10:49 
QuestionException PinmemberBBWicked1-Aug-07 0:46 
Generalsorry but :) Pinmemberdeltadirac29-Jul-07 9:05 
QuestionRemoving a color Pinmemberthe-rpd1-Jul-07 6:20 
GeneralNice control Pinmemberthe-rpd26-Jun-07 10:38 

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