1) Create a new a grid, enable filtering.
grid.DisplayLayout.Override.AllowRowFiltering = DefaultableBoolean.True;
grid.DisplayLayout.Override.FilterUIType = FilterUIType.FilterRow;
2) Change the backcolor of the filter row, filter cell, and filter row active.
grid.DisplayLayout.Override.FilterRowAppearanceActive.BackColor = System.Drawing.Color.Green;
grid.DisplayLayout.Override.FilterCellAppearance.BackColor = System.Drawing.Color.Orange;
grid.DisplayLayout.Override.FilterRowAppearance.BackColor = System.Drawing.Color.Purple;
3) Filter row backcolor remains unchanged. See Image
I've also tried disabling app styling, and disabling OS Themes.
this.UseAppStyling = false;
this.UseOsThemes = DefaultableBoolean.False;
I've also tried copying these changes to the grid_InitializeLayout() event.
I've also tried using a manually defined schema instead of binding to a datasource.
In general it seems that a majority of Infragistics appearance settings do nothing.
Some do work - for example, fixed row background color does change the color.
As seen here: http://help.infragistics.com/Help/Doc/WinForms/2012.2/CLR4.0/html/WinGrid_Specify_Fixed_Columns.html
So it's not as if all appearance overrides are being ignored.
