How to change the appearance for only a specific form

hi Nadezhda
thanks for you reply,
I'm sorry, this example did not solve my problem, the specific situation is that when I load another existing skin, this example works.
but when I want to change the background color of the form in the skin currently in use, this problem still exists.
my code is as follows,
look forward to your reply, thanks again.

C#
public FrmSignin()
{
    InitializeComponent();
    this.FormBorderStyle = FormBorderStyle.FixedSingle;

    LookAndFeel.UseDefaultLookAndFeel = false;
    LookAndFeel.Style = DevExpress.LookAndFeel.LookAndFeelStyle.Skin;
    //The current default skin name is “Dancyan”  
    //This line of code works,The signin form style is special 
    LookAndFeel.SkinName = "DevExpress Style";
    //This code will still change the background color of all forms 
    //LookAndFeel.SkinName = "Dancyan";
    Shown += (s, e) => ChangeTitleColor();
}
void ChangeTitleColor()
{
    Skin currentSkin = FormSkins.GetSkin(LookAndFeel);
    SkinElement element = currentSkin[FormSkins.SkinFormCaption];
    if (element.Image != null)
        element.Image.Image = null;
    element.Color.BackColor = Color.FromArgb(36, 50, 73);
    LookAndFeel.UpdateStyleSettings();
}

I tested your code and the form title was changed correctly. I created a project to demonstrate it. Could you please modify this project to illustrate your scenario.
Also, please clarify what version of DevExpress components you are using.

hi Nadezhda,
thanks for your reply,
sorry, it's my fault. in fact, the invalid code in the example has been commented out.
the changed code should be as follows

C#
LookAndFeel.UseDefaultLookAndFeel = false;
LookAndFeel.Style = DevExpress.LookAndFeel.LookAndFeelStyle.Skin;
//The current default skin name is “Dancyan”  
//This line of code works,The signin form style is special 
//LookAndFeel.SkinName = "DevExpress Style";
//This code will still change the background color of all forms 
LookAndFeel.SkinName = "Dancyan";
Shown += (s, e) => ChangeTitleColor();

to facilitate your testing, I created a project that contains the skin files I made.

thank you again.
have a nice day!