Im trying to create a stackpanel with a rounded background, that also has a linearbrush from grey to trasparent
I used the ideas exposed here to prevent clipping
http://chriscavanagh.wordpress.com/2008/10/03/wpf-easy-rounded-corners-for-anything/
The problem now is that the text inside the stackpanel also has degradation and then turns invisible
any help?
Similar question
How do I create a WPF Rounded Corner container?
Code:
<Border Margin="235,78,0,0" VerticalAlignment="Top" HorizontalAlignment="Left"
BorderBrush="Red" BorderThickness="1" CornerRadius="8" >
<Grid>
<Border Name="mask" CornerRadius="7">
<Border.Background>
<LinearGradientBrush StartPoint="0,0.5" EndPoint="1,0.5">
<GradientStop Color="Gray" Offset="0"/>
<GradientStop Color="Transparent" Offset="1"/>
</LinearGradientBrush>
</Border.Background>
</Border>
<StackPanel Orientation="Horizontal" >
<StackPanel.OpacityMask>
<VisualBrush Visual="{Binding ElementName=mask}"/>
</StackPanel.OpacityMask>
<Image Height="16" Width="16" RenderOptions.BitmapScalingMode="NearestNeighbor" />
<TextBlock Foreground="Black" Margin="5,0,3,0" Text="00620"/>
<TextBlock Foreground="Black" Margin="5,0,3,0" Text="Error sincronización" />
</StackPanel>
</Grid>
</Border>
This is due to the OpacityMask, try to remove these lines from your XAML:
<StackPanel.OpacityMask>
<VisualBrush Visual="{Binding ElementName=mask}"/>
</StackPanel.OpacityMask>
And it should work
Related
I'm already desperate to find the answer why this happens... here's my code:
ResourceDictionary
<Color x:Key="ControlStrokeColorDefault">#0F000000</Color>
<Color x:Key="ControlStrokeColorSecondary">#29000000</Color>
<LinearGradientBrush x:Key="ControlElevationBorderBrush" MappingMode="Absolute" StartPoint="0,0" EndPoint="0,3">
<LinearGradientBrush.RelativeTransform>
<ScaleTransform CenterY="0.5" ScaleY="-1" />
</LinearGradientBrush.RelativeTransform>
<LinearGradientBrush.GradientStops>
<GradientStop Offset="0.33" Color="{DynamicResource ControlStrokeColorSecondary}" />
<GradientStop Offset="1.0" Color="{DynamicResource ControlStrokeColorDefault}" />
</LinearGradientBrush.GradientStops>
</LinearGradientBrush>
Panel
<Grid Background="#29000000">
<WrapPanel Background="#F7F7F7" VerticalAlignment="Center" HorizontalAlignment="Center">
<Border Margin="20" Width="100" Height="60" BorderThickness="2" BorderBrush="{DynamicResource ControlElevationBorderBrush}">
<TextBlock>Ok</TextBlock>
</Border>
<Border Margin="20" Width="100" Height="100" BorderThickness="2" BorderBrush="{DynamicResource ControlElevationBorderBrush}">
<TextBlock>???</TextBlock>
</Border>
</WrapPanel>
</Grid>
As a Result, I get that the gradient is calculated only on the first element... is this a wpf bug or am I missing something?
this is because of ScaleY="-1" in ScaleTransform
Scale creates different sizes at different heights
I have created a ControlTemplate for a TextBox that includes a label for it. However, When I try to use Tab to navigate the controls I have to press tab twice to enter the textbox field, as if it's focusing on another element inside. I tried messing the labels focusability and what not but that doesn't seem to be the issue. Here is the code:
<ControlTemplate x:Key="custTextbox" TargetType="{x:Type TextBox}">
<Canvas x:Name="customTextbox">
<Border CornerRadius="3, 0, 0 ,3" BorderThickness="1, 1, 0, 1"
Height="30" x:Name="brdTextboxLabel" Width="98">
<Border.BorderBrush>
<LinearGradientBrush StartPoint=".5,0" EndPoint=".5,1">
<GradientStop Color="#3C3F48" Offset=".88"/>
<GradientStop Color="#9CA1A8" Offset=".96"/>
</LinearGradientBrush>
</Border.BorderBrush>
<Border.Background>
<LinearGradientBrush StartPoint=".5, 0" EndPoint=".5, 1">
<GradientStop Color="#414447" Offset="0"/>
<GradientStop Color="#4E525B" Offset=".08"/>
</LinearGradientBrush>
</Border.Background>
<Canvas>
<Rectangle Height="24" x:Name="rectangle3" Stroke="#636369"
Width="1" Canvas.Left="96" Canvas.Top="2" />
<Label Canvas.Left="0" Padding="9,6.5,0,0" Foreground="#BABBBF"
FontWeight="Bold" Canvas.Top="0" FontSize="11"
Content="{TemplateBinding Tag}" Height="28"
x:Name="lblTextboxHeader" Width="92" />
</Canvas>
</Border>
<!-- ========================================= -->
<Border CornerRadius="0,3,3,0" BorderThickness="0,1,1,1" Canvas.Left="98"
Height="30" x:Name="brdTextbox" Width="348">
<Border.BorderBrush>
<LinearGradientBrush StartPoint=".5,0" EndPoint=".5,1">
<GradientStop Color="#3C3F48" Offset=".88"/>
<GradientStop Color="#9CA1A8" Offset=".96"/>
</LinearGradientBrush>
</Border.BorderBrush>
<Border.Background>
<LinearGradientBrush StartPoint=".5, 0" EndPoint=".5, 1">
<GradientStop Color="#414447" Offset="0"/>
<GradientStop Color="#4E525B" Offset=".08"/>
</LinearGradientBrush>
</Border.Background>
<Canvas>
<TextBox TabIndex="0" Background="Transparent" CaretBrush="#8C8CA1"
FontSize="16" Padding="4, 3, 0 ,0" BorderBrush="Transparent"
Foreground="#D4D5DA" Canvas.Left="0" Canvas.Top="-1"
Height="30" x:Name="textBox1" Width="347"/>
</Canvas>
</Border>
</Canvas>
</ControlTemplate>
Sorry if it's a mess of a ControlTemplate, it was the first I had ever made when starting wpf/xaml.
Thank you for your time!
HA! Figured it out while solving an issue on another control.
The problem was I, essentially, had 2 TextBoxes each time I used the template.
a simple map would be:
<TextBox>
<ControlTemplate>
<Label/>
<Textbox/>
</ControlTemplate>
</TextBox>
So I just had to make the control I put in the window have KeyboardNavigation.IsTabStop="false" So it would pass that textbox and go to the one inside my ControlTemplate.
I am trying to create a ListViewItem template which looks like this, but i'm not making much headway.
Here is the style I have created so far:
<ListView.ItemTemplate>
<DataTemplate>
<Grid>
<Border HorizontalAlignment="Stretch" Margin="1.5" CornerRadius="5" BorderThickness="1,1,1,1" BorderBrush="#FF997137">
<Border.Background>
<LinearGradientBrush EndPoint="0.5,1" StartPoint="0.5,0">
<GradientStop Color="#FF4B4B4B" Offset="0" />
<GradientStop Color="#FF8F8F8F" Offset="1" />
</LinearGradientBrush>
</Border.Background>
</Border>
<StackPanel Orientation="Horizontal" >
<Image HorizontalAlignment="Left" Width="32" Source="/Images/stop.png" Stretch="Fill" Height="32" />
<TextBlock Foreground="#FFECAD25" TextWrapping="Wrap" Width="150" >
This is a user control. The animation uses the attached BalloonShowing event.
</TextBlock>
<StackPanel Orientation="Vertical" >
<Image HorizontalAlignment="Right" Margin="0,10,5,0" VerticalAlignment="Top" Width="16" Height="16" Source="/Images/Close.png" Stretch="Fill"
Opacity="0.4" ToolTip="Delete" x:Name="Delete" />
<Image HorizontalAlignment="Right" Margin="0,5,5,0" VerticalAlignment="Top" Width="16" Height="16" Source="/Images/Close.png" Stretch="Fill"
Opacity="0.4" ToolTip="Edit" x:Name="Edit" />
</StackPanel>
</StackPanel>
</Grid>
</DataTemplate>
</ListView.ItemTemplate>
Is it possible to extend the text below the image/icon?
I don't believe there is any out-of-the box way to do this with a `TextBlock'.
However, if you are able to use the FlowDocument control, here are some options: answer 1, answer 2.
As far I know, no. Not atleast with simple Image and TextBlock.
FlowDocument seems to be good solution though,
check out this link for further information:
http://dotnetslackers.com/articles/wpf/WPFFlowDocumentsAndImages.aspx
How to provide the outer glow effect to border?
<Grid Width="200" Height="200">
<Grid.Background>
<RadialGradientBrush Center="0.5,0.5" GradientOrigin="0.5,0.5" RadiusX="0.8" RadiusY="0.8">
<RadialGradientBrush.GradientStops>
<GradientStop Offset="0" Color="#FF123B5F" />
<GradientStop Offset="1" Color="#FF001F31" />
</RadialGradientBrush.GradientStops>
</RadialGradientBrush>
</Grid.Background>
<Border Width="180" Height="180" Margin="10" Background="Transparent"
BorderBrush="White" BorderThickness="1">
<Border.BitmapEffect>
<OuterGlowBitmapEffect GlowColor="White" GlowSize="3" Opacity="1" />
</Border.BitmapEffect>
</Border>
</Grid>
I have tried this but it not working
BitmapEffects are no longer supported in .NET 4.0.
From MSDN
Important In the .NET Framework 4 or later, the BitmapEffect class is
obsolete. If you try to use the BitmapEffect class, you will get an
obsolete exception. The non-obsolete alternative to the BitmapEffect
class is the Effect class. In most situations, the Effect class is
significantly faster.
It isn't the same thing but you can try with a DropShadowEffect with ShadowDepth close to 0 instead.
Example
<Border Width="180" Height="180" Margin="10" Background="Transparent"
BorderBrush="White" BorderThickness="2" Opacity="1.0">
<Border.Effect>
<DropShadowEffect ShadowDepth="0"
Color="White"
Opacity="1"
BlurRadius="5"/>
</Border.Effect>
</Border>
Comparison between the BitmapEffects you had and DropShadowEffect above. DropShadowEffect to the right.
I have a Silverlight user control that looks like a compass. I would post the image but i'm a new user and can't post images yet. :(.
Essentially think of a an outer ellipse and on the inside is an inner ellipse in the center w/ a rectangle serving as the 'hand' of the compass. I posted the xaml below.
I want to move the compass 'hand' when the left mouse button is down and the mouse is moved. I thought this would be relatively easy using a RotateTransform but I can't figure it out.
The problems I am running into are
A. I can't figure out how to set the CenterX,CenterY and Angle properties of my RotationTransform. I want the hand (the red rectangle) to rotate around the center ellipse (the brown ellipse in the middle).
B. Is their a way to slow down the rotationtransform? So if someone is spinning the mouse quickly the hand moves but not as fast as the user is moving the mouse. Stated another way is their a way to decrease the sensitivity of the mouse movement?
I would post my code but it is pretty sad. :-). I don't need an exact solution just a nudge in the right direction.
Here is the XAML
<Grid Margin="20,20,0,18" HorizontalAlignment="Left" Width="180">
<Ellipse x:Name="outerEllipse" Stroke="Black">
<Ellipse.Fill>
<LinearGradientBrush EndPoint="0.5,1" MappingMode="RelativeToBoundingBox" StartPoint="0.5,0">
<GradientStop Color="#3FF7F5F5" Offset="0.449"/>
<GradientStop Color="#FFF7F1F1" Offset="0.938"/>
</LinearGradientBrush>
</Ellipse.Fill>
</Ellipse>
<Ellipse x:Name="innerEllipse" Margin="16,14,16,13" Stroke="Black">
<Ellipse.Fill>
<LinearGradientBrush EndPoint="0.5,1" StartPoint="0.5,0">
<GradientStop Color="#FFD8BABA" Offset="0"/>
<GradientStop Color="#FFF7F1F1" Offset="1"/>
</LinearGradientBrush>
</Ellipse.Fill>
</Ellipse>
<Ellipse x:Name="knobEllipse" Margin="83,75,82,74" Stroke="Black" Fill="#FFCFB53B"/>
<TextBlock x:Name="textNorth" Height="17" Margin="83,14,83,0" TextWrapping="Wrap" Text="N" VerticalAlignment="Top" Foreground="#FFCC3131" FontSize="16" FontFamily="Book Antiqua"/>
<TextBlock x:Name="textNorthEast" Height="21" Margin="0,34,25.666,0" TextWrapping="Wrap" Text="NE" VerticalAlignment="Top" Foreground="#FFCC3131" FontSize="16" FontFamily="Book Antiqua" RenderTransformOrigin="0.5,0.5" UseLayoutRounding="False" d:LayoutRounding="Auto" HorizontalAlignment="Right" Width="30">
<TextBlock.RenderTransform>
<CompositeTransform Rotation="45"/>
</TextBlock.RenderTransform>
</TextBlock>
<TextBlock x:Name="textSouth" Height="17" Margin="86,0,85,13" TextWrapping="Wrap" Text="S" VerticalAlignment="Bottom" Foreground="#FFCC3131" FontSize="16" FontFamily="Book Antiqua"/>
<TextBlock x:Name="textNorthWest" Height="21" Margin="29,31,0,0" TextWrapping="Wrap" Text="NW" VerticalAlignment="Top" Foreground="#FFCC3131" FontSize="16" FontFamily="Book Antiqua" RenderTransformOrigin="0.5,0.5" UseLayoutRounding="False" d:LayoutRounding="Auto" HorizontalAlignment="Left" Width="30">
<TextBlock.RenderTransform>
<CompositeTransform Rotation="315"/>
</TextBlock.RenderTransform>
</TextBlock>
<TextBlock x:Name="textEast" HorizontalAlignment="Right" Margin="0,75,16,74" TextWrapping="Wrap" Text="E" Width="11" Foreground="#FFCC3131" FontSize="16" FontFamily="Book Antiqua"/>
<TextBlock x:Name="textWest" HorizontalAlignment="Left" Margin="16,73,0,72" TextWrapping="Wrap" Text="W" Width="20" Foreground="#FFCC3131" FontSize="16" FontFamily="Book Antiqua"/>
<TextBlock x:Name="textSouthEast" Margin="0,0,33.834,25.333" TextWrapping="Wrap" Text="SE" Foreground="#FFCC3131" FontSize="16" FontFamily="Book Antiqua" RenderTransformOrigin="0.5,0.5" UseLayoutRounding="False" d:LayoutRounding="Auto" HorizontalAlignment="Right" Height="21" VerticalAlignment="Bottom" Width="30">
<TextBlock.RenderTransform>
<CompositeTransform Rotation="140"/>
</TextBlock.RenderTransform>
</TextBlock>
<TextBlock x:Name="textSouthWest" Margin="31.5,0,0,29.5" TextWrapping="Wrap" Text="SW" Foreground="#FFCC3131" FontSize="16" FontFamily="Book Antiqua" RenderTransformOrigin="0.5,0.5" UseLayoutRounding="False" d:LayoutRounding="Auto" HorizontalAlignment="Left" Width="30" Height="21" VerticalAlignment="Bottom">
<TextBlock.RenderTransform>
<CompositeTransform Rotation="220"/>
</TextBlock.RenderTransform>
</TextBlock>
<Rectangle x:Name="rectanglePointer" Height="32" Margin="87,43,86,0" Stroke="Black" VerticalAlignment="Top">
<Rectangle.Fill>
<LinearGradientBrush EndPoint="0.5,1" StartPoint="0.5,0">
<GradientStop Color="#FFF38989" Offset="0"/>
<GradientStop Color="#FF914949" Offset="1"/>
</LinearGradientBrush>
</Rectangle.Fill>
</Rectangle>
</Grid>
Thanks for your help
By playing with your XAML, the following render transform origin will roughly produce what you are after:
<Rectangle x:Name="rectanglePointer" Height="32" Margin="87,43,86,0" Stroke="Black" VerticalAlignment="Top"
RenderTransformOrigin="0.5,2.8">
<Rectangle.RenderTransform>
<RotateTransform Angle="180"/>
</Rectangle.RenderTransform>
<Rectangle.Fill>
<LinearGradientBrush EndPoint="0.5,1" StartPoint="0.5,0">
<GradientStop Color="#FFF38989" Offset="0"/>
<GradientStop Color="#FF914949" Offset="1"/>
</LinearGradientBrush>
</Rectangle.Fill>
</Rectangle>
The X offset of 0.5 moves rotation X position too be aligned with the centre of the rectangle, and the Y offset of 2.8 moves the rotation to centre roughly on the brown ellipse.
I say roughly, because the it is not easy to calculate based on your layout! Currently you are using margins to size everything, this means that the actual width of your rectangle is the width of your grid container, minus the left and right margin values. It is much better if you set the width / height explicitly.
Better still, use Grid columns / cells to create the layout you want. Take a look at this blog post:
http://www.scottlogic.co.uk/blog/colin/2010/08/developing-a-very-lookless-silverlight-radial-gauge-control/
You could probably adapt that control to your needs.
Slowing down the mouse movement, that could be tricky!
I would recommend changing your compass into a user control and making the compass angle a dependency property. Once you have a dependency property you can animate it from code-behind.
Hope that helps!
Colin E.