🔨 update: add drap-drop file

Author: hsayed21

Main.Designer.cs

@@ -9,21 +9,86 @@ namespace SQLBakVersion
     public partial class Main : Form
     {
         private readonly SQLVersion sqlVersion = new SQLVersion();
+        private bool isDragging = false;
+        private Point lastLocation;
+
         public Main()
         {
             InitializeComponent();
+
+            pnlDragDrop.Location = new Point(10, 37);
+        }
+
+        private void pnlTitleBar_MouseDown(object sender, MouseEventArgs e)
+        {
+            if (e.Button == MouseButtons.Left)
+            {
+                isDragging = true;
+                lastLocation = e.Location;
+            }
+        }
+
+        private void pnlTitleBar_MouseMove(object sender, MouseEventArgs e)
+        {
+            if (isDragging)
+            {
+                this.Location = new Point((this.Location.X - lastLocation.X) + e.X,(this.Location.Y - lastLocation.Y) + e.Y);
+                this.Update();
+            }
+        }
+
+        private void pnlTitleBar_MouseUp(object sender, MouseEventArgs e)
+        {
+            isDragging = false;
+        }
+
+        private void btnClose_Click(object sender, EventArgs e)
+        {
+            this.Close();
+        }
+
+        private void pnlDragDrop_Click(object sender, EventArgs e)
+        {
+            SelectBakFile();
+        }
+
+        private void Main_DragEnter(object sender, DragEventArgs e)
+        {
+            if (e.Data.GetDataPresent(DataFormats.FileDrop))
+            {
+                string[] files = (string[])e.Data.GetData(DataFormats.FileDrop);
+                if (files.Length > 0 && Path.GetExtension(files[0]).ToLower() == ".bak")
+                {
+                    e.Effect = DragDropEffects.Copy;
+                    return;
+                }
+            }
+            e.Effect = DragDropEffects.None;
         }
 
-        private void btnBrowse_Click(object sender, EventArgs e)
+        private void Main_DragDrop(object sender, DragEventArgs e)
+        {
+            string[] files = (string[])e.Data.GetData(DataFormats.FileDrop);
+            if (files.Length > 0 && Path.GetExtension(files[0]).ToLower() == ".bak")
+            {
+                ProcessBakFile(files[0]);
+            }
+        }
+
+        private void SelectBakFile()
         {
             OpenFileDialog openFileDialog = new OpenFileDialog();
             openFileDialog.Filter = "SQL Server backup files (*.bak)|*.bak";
             if (openFileDialog.ShowDialog() == DialogResult.OK)
             {
-                txtBakFilePath.Text = openFileDialog.FileName;
+                ProcessBakFile(openFileDialog.FileName);
             }
+        }
+
+        private void ProcessBakFile(string filePath)
+        {
+            lblDragDrop.Text = Path.GetFileName(filePath);
 
-            string filePath = txtBakFilePath.Text;
             string output = string.Empty;
             if (string.IsNullOrEmpty(filePath) || !File.Exists(filePath))
                 output = "Please select a valid .bak file.";