How do I bind a list I create to a combobox?

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C#

MVVM

Hello! I'm new to C# mvvm and I would like to find out how do i bind a list i create to my comboBox.

What I have tried:

VM

public Dictionary<TipContract, string> ComboTip
        {
            get
            {
                return TipContract_dict;
            }

        }

        public Dictionary<Formatare, string> ComboFormatare
        {
            get { return Formatare_dict; }

        }



        //TipContract enum and dict to hold and display in combo boxes
        public enum TipContract
        {
            C, N, D, T, M, L
        }

        public static readonly Dictionary<TipContract, string> TipContract_dict = new Dictionary<TipContract, string>()
        {
            {TipContract.C, "Caracter"},
            {TipContract.N, "Numeric"},
            {TipContract.D, "Data"},
            {TipContract.T, "DataTime"},
            {TipContract.M, "Memo"},
            {TipContract.L, "Logic"},

        };
        
        
        public enum Formatare
        {
            Lower, Upper, Proper
        }

        public static readonly Dictionary<Formatare, string> Formatare_dict = new Dictionary<Formatare, string>(){
            {Formatare.Lower, "lower"},
            {Formatare.Upper, "UPPER"},
            {Formatare.Proper, "Proper"},
            
        };

XML

<ComboBox  x:Name="cmbTip" 
                               IsEnabled="True"
                               SelectedValuePath="Value" 
                               DisplayMemberPath="Tip"
                               SelectedValue="{Binding Formatare_dict}"