# IT:AD:ASP.NET:Win Forms:Theming #
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---
## CheckList ##
* THemes take precedence over local control settings
*
## Folders ##
MyWebSite
App_Themes
BlueTheme
Controls.skin
BlueTheme.css
PinkTheme
Controls.skin
PinkTheme.css
## Theme ##
* In the .skin file, add a normal control definition by using declarative syntax, but include only the properties that you want to set for the theme.
* The control definition must include the runat="server" attribute
* The control must not include the ID="" attribute.
* The control can have a **SkinID**
* SkinID is used to for specifically named control matching.
## Programmatic Switching ##
Protected Sub Page_PreInit(ByVal sender As Object, _
ByVal e As System.EventArgs) _
Handles Me.PreInit
Select Case Request.QueryString("theme")
Case "Blue"
Page.Theme = "BlueTheme"
'Page.StyleSheetTheme = ...
Case "Theme2"
Page.Theme = "PinkTheme"
'Page.StyleSheetTheme = ...
End Select
End Sub
## Application ##
## Important ##
There are two tags...Theme and StyleSheetTheme.
Theme has precendence over Control.
StyleSheetTheme is set first, and lets Control override it.