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Questions tagged [brushes]

47 questions
31
votes
2 answers

Using a StaticResource SolidColorBrush to define the Gradient Stop Colors

I am creating some wpf resource dictionaries with all the styles for an application! I have a few LinearGradientBrushes, where the color is set directly in the LinearGradientBrush reference as GradientStops. However, I want to have a predefined set…
code-zoop
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28
votes
7 answers

Pick a Random Brush

I'm looking for a method to pick a random Brush in Brushes collection (Aqua,Azure, ...Black,...). Any clue?
ojsim
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22
votes
4 answers

Setting background of panel with custom color code

In WPF,I can set the background of a stack panel using the below code stackPanelFlasher.Background = Brushes.Aqua; How can I set the color as a hex color code for example #C7DFFC?
Shyju
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8
votes
3 answers

Linear Gradient Brush Fade WPF

I have a brush that colors the background of a header. I like the way the brush looks but would like it to fade to transparent in the bottom third. Any ideas how to do this?
Andrew Boes
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8
votes
2 answers

Brushes.White slows graphics demo down

Below is a (very naive) implementation of Conway's Game of Life in WPF. It's just a demo... xaml:
dharmatech
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7
votes
1 answer

Why doesn't this WPF code generate a context menu?

Perhaps I'm having a Post-Ballmer-Peak Moment. I'm hoping that someone can help point out the obvious to me. Why does this code generate a context menu on right click: …
corey broderick
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6
votes
2 answers

Is there a "Pens" class to complement "Brushes" and "Colors" in WPF?

There isn't one called Pens, that's for sure, but it's too odd not to find it. Is it really absent, or am I being blind? (I'm just looking for a convenience class - for example, Colors.Red and Brushes.Red is there, but for pens the shortest appears…
Roman Starkov
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6
votes
2 answers

Is rendering a lot of repeated images more or less performant than using brushes in WPF?

An application our company is working on currently displays many rectangle shapes with gradients to draw 'Tiles'. An internal discussion came about that posed a question of performance. These tiles are about 100 pixels by 200 pixels, and are either…
Kilhoffer
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6
votes
1 answer

how can i fill the transparent area of the image when my finger moved on

I wanna draw the transparent area with brush, but my code work not very well.I think someone can help me here. My code : // Handles the start of a touch - (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event { CGRect bounds = [self…
bencore
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5
votes
1 answer

Apply Opacity to LinearGradientBrush

I have a LinearGradientBrush defined as follows. I want to use this somewhere in my xaml but I want to change the opacity in this particular case (only in this instance, not everywhere I use it). Any ideas how to accomplish this? …
KrisTrip
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5
votes
4 answers

Programmatically get a brush from the Brushes class?

I have a property that allows the string name of a known colour to be sent to my control. The property only accepts proper known colour names, like "Red" or "Blue" private KnownColor _UseColor = KnownColor.Red; /// /// Gets or…
jcharlesworthuk
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4
votes
1 answer

Setting borderbrush to LinearGradientBrush in WPF

I'm new to WPF and still having some basic problems. I have a control from devcomponents that defaults to a blue border. My textboxes etc. have a more grey colour. I want the devcomponents control to have the same border. I look in the properties…
Peter S
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3
votes
3 answers

Window background color: appears darker than specified?

I'm trying to play around with colors in WPF and the form's background color. Without doing ANYTHING ELSE (no code behind, deriving from another class, etc), I create a brand new default Windows Form. I change the background to some light blue…
DRapp
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3
votes
2 answers

Animation change from LinearGradientBrush to SolidColorBrush

Is it possible with an animation to change the Ellipse.Fill from a LinearGradientBrush to a SolidColorBrush or change the gradientStops within the LinearGradientBrush?
Johan Alkstål
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3
votes
4 answers

Using multiple brushes within a single GeometryDrawing in WPF

Is it possible to use multiple brushes within a single GeometryDrawing? I have several geometries that I want to draw with different brushes, and it's rather verbose to have to declare an individual GeometryDrawing for each. I'm looking for a more…
sourcenouveau
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