diff --git a/.github/workflows/gitleaks.yaml b/.github/workflows/gitleaks.yaml
new file mode 100644
index 0000000..48a24dd
--- /dev/null
+++ b/.github/workflows/gitleaks.yaml
@@ -0,0 +1,38 @@
+name: Secret Value found!
+on:
+  push:
+  public:
+jobs:
+  scan:
+    name: gitleaks
+    runs-on: ubuntu-latest
+    steps:
+     - name: Checkout
+       uses: actions/checkout@v3 
+     - name: Install the gitleaks
+       run: wget https://github.com/zricethezav/gitleaks/releases/download/v8.15.2/gitleaks_8.15.2_linux_x64.tar.gz
+       shell: pwsh
+     - name: Extract the tar file
+       run: tar xzvf gitleaks_8.15.2_linux_x64.tar.gz
+     - name: Generate the report
+       id: gitleaks
+       run: $GITHUB_WORKSPACE/gitleaks detect -s $GITHUB_WORKSPACE -f json -r $GITHUB_WORKSPACE/leaksreport.json
+       shell: bash
+       continue-on-error: true
+     - name: Setup NuGet.exe
+       if: steps.gitleaks.outcome != 'success'
+       uses: nuget/setup-nuget@v1
+       with:
+          nuget-version: latest
+     - name: Install the dotnet
+       if: steps.gitleaks.outcome != 'success'
+       uses: actions/setup-dotnet@v3
+       with:
+          dotnet-version: '3.1.x'
+     - name: Install the report tool packages
+       if: steps.gitleaks.outcome != 'success'
+       run: |
+           nuget install "Syncfusion.Email" -source "https://nexus.syncfusion.com/repository/nuget-hosted/"
+           dir $GITHUB_WORKSPACE/Syncfusion.Email.1.0.0/lib/netcoreapp3.1
+           dotnet $GITHUB_WORKSPACE/Syncfusion.Email.1.0.0/lib/netcoreapp3.1/Email.dll "citeam@syncfusion.com" "$GITHUB_REF_NAME" ${{ secrets.NETWORKCREDENTIALS }} ${{ secrets.NETWORKKEY }} "$GITHUB_WORKSPACE"
+           exit 1
diff --git a/Image/Filter ComboBox.png b/Image/Filter ComboBox.png
new file mode 100644
index 0000000..bae46ee
Binary files /dev/null and b/Image/Filter ComboBox.png differ
diff --git a/README.md b/README.md
index 66cb6a9..e724081 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,29 @@
 # How-to-filter-the-dropdown-items-in-Winforms-SfComboBox
-This respository contains the sample that how to filter the dropdown items by setting the Filter property of DropDownListView in WF SfComboBox control.
+The Windows Forms ComboBox (SfComboBox) support you to filter the items by setting the Filter property of `DropDownListView` to a predicate that will be called for every data item to determine whether the item is visible or not.
 
-UG link: https://help.syncfusion.com/windowsforms/combobox/filtering
\ No newline at end of file
+# C#
+
+         public Form1()
+            {
+                InitializeComponent();
+
+                List<USState> list = GetData();
+                this.sfComboBox1.DataSource = list;
+                this.sfComboBox1.DisplayMember = "LongName";
+                this.sfComboBox1.ThemeName = "Office2016Colorful";
+                this.sfComboBox1.DropDownListView.Style.ItemStyle.Font = new Font("Microsoft Sans Serif", 9.75f);
+
+                // Filter
+                sfComboBox1.DropDownListView.View.Filter = FilterItem;
+                sfComboBox1.DropDownListView.View.RefreshFilter();
+            }
+
+            // Filter predicate
+            private bool FilterItem(object data)
+            {
+                if ((data as USState).LongName.StartsWith("C"))
+                    return true;
+                return false;
+            }
+
+UG link: https://help.syncfusion.com/windowsforms/combobox/filtering