Added modified check before project save

McBitFont/Form1.cs

@@ -51,7 +51,7 @@ namespace McBitFont {
         public bool monospaced = false;
         bool modified = false;
         bool prjModified = false;
-        public const string version = "1.4";
+        public const string version = "1.5";
         public string prjName = "Untitled";
         public int codepage = 1251;
         private FrameMiniature fbuf;
@@ -163,6 +163,7 @@ namespace McBitFont {
                 ilMiniatures.Images.Add(s, (Image)bmp);
                 miniList.Items[s].ImageKey = s;
             }
+            if (nudY.Focused) modified = true;
             prjModified = true;
             dotResize(dotWidth, (int)nudY.Value);
         }
@@ -631,6 +632,11 @@ namespace McBitFont {
         }
 
         private void saveToolStripMenuItem_Click(object sender, EventArgs e) {
+            if (modified) {
+                if (MessageBox.Show("Current frame is modified.\nDo you want to apply the changes first?", "The frame was modified!", MessageBoxButtons.YesNo) == DialogResult.Yes) {
+                    saveFrame();
+                }
+            }
             if (dlgSave.ShowDialog() == DialogResult.OK) {
                 SaveBlock sav;
                 sav.monospaced = monospaced;