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![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(262.40000000000003, 68%, 35%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJS%3C/text%3E%3C/svg%3E)
I want to change the settings "Show additional calendars in taskbar".
Is there any API to change this setting programmatically?
Searched many blogs but could not find any code to change it programmatically in c#.
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(179.20000000000002, 34%, 27%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EXY%3C/text%3E%3C/svg%3E)
According to SOFTWARE\Microsoft\PolicyManager\default\Settings\ConfigureTaskbarCalendar registry, you can configure Software\Policies\Microsoft\Windows\Settings\AllowConfigureTaskbarCalendar with REG_DWORD (0 Disabled, 1 Enabled, 2 Simplified Chinese (Lunar), 3 Traditional Chinese (Lunar)).
Is there any API available to change these settings other than registry key?
I‘m afraid there is no explicit API.