UWP - How to bind different SolidColorBrush through a Status?

public DateTime? ToDate { get; set; }

status is ToDate, I added a property to model. logic looks like:

public SolidColorBrush ToDateForeground

{

    get

    {

        if (ToDate.HasValue && ToDate.Value <= DateTime.Now)

        {

            return new SolidColorBrush(Colors.Red);

        }

        return Application.Current.Resources["SystemControlForegroundBaseLowBrush"];

    }

}

Xaml

<TextBlock Foreground="{x:Bind ToDateForeground, Mode=OneWay}" Text="Test" />

It can work, however, if the user changes the Windows color to Dark, the ToDateForeground doesn't automatically change.

How to deal with it, just like ThemeReource?

edited Nov 21 '18 at 4:02

asked Nov 21 '18 at 3:50

HeroWong

1218

add a comment |

public DateTime? ToDate { get; set; }

status is ToDate, I added a property to model. logic looks like:

public SolidColorBrush ToDateForeground

{

    get

    {

        if (ToDate.HasValue && ToDate.Value <= DateTime.Now)

        {

            return new SolidColorBrush(Colors.Red);

        }

        return Application.Current.Resources["SystemControlForegroundBaseLowBrush"];

    }

}

Xaml

<TextBlock Foreground="{x:Bind ToDateForeground, Mode=OneWay}" Text="Test" />

It can work, however, if the user changes the Windows color to Dark, the ToDateForeground doesn't automatically change.

How to deal with it, just like ThemeReource?

edited Nov 21 '18 at 4:02

asked Nov 21 '18 at 3:50

HeroWong

1218

add a comment |

public DateTime? ToDate { get; set; }

status is ToDate, I added a property to model. logic looks like:

public SolidColorBrush ToDateForeground

{

    get

    {

        if (ToDate.HasValue && ToDate.Value <= DateTime.Now)

        {

            return new SolidColorBrush(Colors.Red);

        }

        return Application.Current.Resources["SystemControlForegroundBaseLowBrush"];

    }

}

Xaml

<TextBlock Foreground="{x:Bind ToDateForeground, Mode=OneWay}" Text="Test" />

It can work, however, if the user changes the Windows color to Dark, the ToDateForeground doesn't automatically change.

How to deal with it, just like ThemeReource?

edited Nov 21 '18 at 4:02

asked Nov 21 '18 at 3:50

HeroWong

1218

public DateTime? ToDate { get; set; }

status is ToDate, I added a property to model. logic looks like:

public SolidColorBrush ToDateForeground

{

    get

    {

        if (ToDate.HasValue && ToDate.Value <= DateTime.Now)

        {

            return new SolidColorBrush(Colors.Red);

        }

        return Application.Current.Resources["SystemControlForegroundBaseLowBrush"];

    }

}

Xaml

<TextBlock Foreground="{x:Bind ToDateForeground, Mode=OneWay}" Text="Test" />

It can work, however, if the user changes the Windows color to Dark, the ToDateForeground doesn't automatically change.

How to deal with it, just like ThemeReource?

xaml uwp

edited Nov 21 '18 at 4:02

asked Nov 21 '18 at 3:50

HeroWong

1218

edited Nov 21 '18 at 4:02

asked Nov 21 '18 at 3:50

HeroWong

1218

edited Nov 21 '18 at 4:02

asked Nov 21 '18 at 3:50

HeroWong

1218

asked Nov 21 '18 at 3:50

HeroWong

1218

asked Nov 21 '18 at 3:50

HeroWong

1218

add a comment |

1 Answer
1

active

oldest

votes

Did you tried to handle Windows color changes for your App:

                    var uiSettings = new UISettings();

                    var color = uiSettings.GetColorValue(Windows.UI.ViewManagement.UIColorType.Background);



                    if (color == Windows.UI.Colors.Black) // Dark Mode

                    {

                        this.RequestedTheme = ApplicationTheme.Dark;

                    }

                    else if (color == Windows.UI.Colors.White) //Light Mode

                    {

                        this.RequestedTheme = ApplicationTheme.Light;

                    }

if the user changes the Windows color to Dark, the ToDateForeground doesn't automatically change.

Change RequestedTheme for your app then all theme resources will changes to match current theme colors. please take a look at ApplicationTheme

edited Nov 21 '18 at 4:56

answered Nov 21 '18 at 4:51

MKH

21729

No need to switch app theme, the theme of the app should follow the system. x:Bind won't follow changes of system. therefore, I must use Foreground="{ThemeResource xxxx}", but value is dynamic :(
– HeroWong
Nov 21 '18 at 5:54

If i understand correctly , you want to change to SystemControlForegroundBaseLowBrush when if statement return false so its doesn't change (when user choose new Color Mode for Windows) because it already set. So you need to update app theme to update ThemeResource color values base on App theme.
– MKH
Nov 21 '18 at 6:21

Whether a UWP app has OnThemeChanged event?
– HeroWong
Nov 21 '18 at 6:27

Maybe this post help you
– MKH
Nov 21 '18 at 6:46

add a comment |

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1 Answer
1

active

oldest

votes

1 Answer
1

active

oldest

votes

Did you tried to handle Windows color changes for your App:

                    var uiSettings = new UISettings();

                    var color = uiSettings.GetColorValue(Windows.UI.ViewManagement.UIColorType.Background);



                    if (color == Windows.UI.Colors.Black) // Dark Mode

                    {

                        this.RequestedTheme = ApplicationTheme.Dark;

                    }

                    else if (color == Windows.UI.Colors.White) //Light Mode

                    {

                        this.RequestedTheme = ApplicationTheme.Light;

                    }

if the user changes the Windows color to Dark, the ToDateForeground doesn't automatically change.

Change RequestedTheme for your app then all theme resources will changes to match current theme colors. please take a look at ApplicationTheme

edited Nov 21 '18 at 4:56

answered Nov 21 '18 at 4:51

MKH

21729

No need to switch app theme, the theme of the app should follow the system. x:Bind won't follow changes of system. therefore, I must use Foreground="{ThemeResource xxxx}", but value is dynamic :(
– HeroWong
Nov 21 '18 at 5:54

If i understand correctly , you want to change to SystemControlForegroundBaseLowBrush when if statement return false so its doesn't change (when user choose new Color Mode for Windows) because it already set. So you need to update app theme to update ThemeResource color values base on App theme.
– MKH
Nov 21 '18 at 6:21

Whether a UWP app has OnThemeChanged event?
– HeroWong
Nov 21 '18 at 6:27

Maybe this post help you
– MKH
Nov 21 '18 at 6:46

add a comment |

Did you tried to handle Windows color changes for your App:

                    var uiSettings = new UISettings();

                    var color = uiSettings.GetColorValue(Windows.UI.ViewManagement.UIColorType.Background);



                    if (color == Windows.UI.Colors.Black) // Dark Mode

                    {

                        this.RequestedTheme = ApplicationTheme.Dark;

                    }

                    else if (color == Windows.UI.Colors.White) //Light Mode

                    {

                        this.RequestedTheme = ApplicationTheme.Light;

                    }

if the user changes the Windows color to Dark, the ToDateForeground doesn't automatically change.

Change RequestedTheme for your app then all theme resources will changes to match current theme colors. please take a look at ApplicationTheme

edited Nov 21 '18 at 4:56

answered Nov 21 '18 at 4:51

MKH

21729

No need to switch app theme, the theme of the app should follow the system. x:Bind won't follow changes of system. therefore, I must use Foreground="{ThemeResource xxxx}", but value is dynamic :(
– HeroWong
Nov 21 '18 at 5:54

If i understand correctly , you want to change to SystemControlForegroundBaseLowBrush when if statement return false so its doesn't change (when user choose new Color Mode for Windows) because it already set. So you need to update app theme to update ThemeResource color values base on App theme.
– MKH
Nov 21 '18 at 6:21

Whether a UWP app has OnThemeChanged event?
– HeroWong
Nov 21 '18 at 6:27

Maybe this post help you
– MKH
Nov 21 '18 at 6:46

add a comment |

Did you tried to handle Windows color changes for your App:

                    var uiSettings = new UISettings();

                    var color = uiSettings.GetColorValue(Windows.UI.ViewManagement.UIColorType.Background);



                    if (color == Windows.UI.Colors.Black) // Dark Mode

                    {

                        this.RequestedTheme = ApplicationTheme.Dark;

                    }

                    else if (color == Windows.UI.Colors.White) //Light Mode

                    {

                        this.RequestedTheme = ApplicationTheme.Light;

                    }

if the user changes the Windows color to Dark, the ToDateForeground doesn't automatically change.

Change RequestedTheme for your app then all theme resources will changes to match current theme colors. please take a look at ApplicationTheme

edited Nov 21 '18 at 4:56

answered Nov 21 '18 at 4:51

MKH

21729

Did you tried to handle Windows color changes for your App:

                    var uiSettings = new UISettings();

                    var color = uiSettings.GetColorValue(Windows.UI.ViewManagement.UIColorType.Background);



                    if (color == Windows.UI.Colors.Black) // Dark Mode

                    {

                        this.RequestedTheme = ApplicationTheme.Dark;

                    }

                    else if (color == Windows.UI.Colors.White) //Light Mode

                    {

                        this.RequestedTheme = ApplicationTheme.Light;

                    }

if the user changes the Windows color to Dark, the ToDateForeground doesn't automatically change.

Change RequestedTheme for your app then all theme resources will changes to match current theme colors. please take a look at ApplicationTheme

edited Nov 21 '18 at 4:56

answered Nov 21 '18 at 4:51

MKH

21729

edited Nov 21 '18 at 4:56

answered Nov 21 '18 at 4:51

MKH

21729

answered Nov 21 '18 at 4:51

MKH

21729

answered Nov 21 '18 at 4:51

MKH

21729

No need to switch app theme, the theme of the app should follow the system. x:Bind won't follow changes of system. therefore, I must use Foreground="{ThemeResource xxxx}", but value is dynamic :(
– HeroWong
Nov 21 '18 at 5:54

If i understand correctly , you want to change to SystemControlForegroundBaseLowBrush when if statement return false so its doesn't change (when user choose new Color Mode for Windows) because it already set. So you need to update app theme to update ThemeResource color values base on App theme.
– MKH
Nov 21 '18 at 6:21

Whether a UWP app has OnThemeChanged event?
– HeroWong
Nov 21 '18 at 6:27

Maybe this post help you
– MKH
Nov 21 '18 at 6:46

add a comment |

No need to switch app theme, the theme of the app should follow the system. x:Bind won't follow changes of system. therefore, I must use Foreground="{ThemeResource xxxx}", but value is dynamic :(
– HeroWong
Nov 21 '18 at 5:54

If i understand correctly , you want to change to SystemControlForegroundBaseLowBrush when if statement return false so its doesn't change (when user choose new Color Mode for Windows) because it already set. So you need to update app theme to update ThemeResource color values base on App theme.
– MKH
Nov 21 '18 at 6:21

Whether a UWP app has OnThemeChanged event?
– HeroWong
Nov 21 '18 at 6:27

Maybe this post help you
– MKH
Nov 21 '18 at 6:46

No need to switch app theme, the theme of the app should follow the system. x:Bind won't follow changes of system. therefore, I must use Foreground="{ThemeResource xxxx}", but value is dynamic :(
– HeroWong
Nov 21 '18 at 5:54

If i understand correctly , you want to change to SystemControlForegroundBaseLowBrush when if statement return false so its doesn't change (when user choose new Color Mode for Windows) because it already set. So you need to update app theme to update ThemeResource color values base on App theme.
– MKH
Nov 21 '18 at 6:21

Whether a UWP app has OnThemeChanged event?
– HeroWong
Nov 21 '18 at 6:27

Maybe this post help you
– MKH
Nov 21 '18 at 6:46

add a comment |

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