Tag Archives: Opacity

Adjust an image’s opacity in C#

Posted on June 13, 2019 by RodStephens

I recently wanted to reduce an image’s contrast by adjusting its opacity. If you draw a semi-transparent image on top of a white background, the result looks washed out so it can act as a background for text or whatever. … Continue reading →

Posted in graphics, image processing | Tagged , , , , , , , | 2 Comments

Adjust image translucency in C#

Posted on December 9, 2016 by Rod Stephens

The example Use an ImageAttributes object to adjust an image’s brightness in C# uses a ColorMatrix object to scale the red, green, and blue color components of an image’s pixels. You can use a similar technique to scale the pixels’ … Continue reading →

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Make a form fade out until it disappears in C#, Part 2

Posted on November 3, 2015 by RodStephens

The example Make a form fade out until it disappears in C# makes a form fade out when the user clicks the form’s Close button, but there are several other ways the user can close the form without it fading … Continue reading →

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Make a form fade out until it disappears in C#

Posted on November 3, 2015 by Rod Stephens

Normally when you close a form it disappears. This example shows how you can provide a different effect by making the form fade out until it vanishes. (Like a ghost or a politician’s promises after election day.) A form’s Opacity … Continue reading →

Posted in forms, user interface | Tagged , , , , , , , , , , , | 1 Comment