Get anim fwd/backw working

SpriteLibrary/SpriteEntryForm.Designer.cs

@@ -436,6 +436,7 @@
             this.btnAnimFwd.TabIndex = 18;
             this.btnAnimFwd.Text = ">";
             this.btnAnimFwd.UseVisualStyleBackColor = true;
+            this.btnAnimFwd.Click += new System.EventHandler(this.btnAnimFwd_Click);
             // 
             // btnAnimBack
             // 
@@ -446,6 +447,7 @@
             this.btnAnimBack.TabIndex = 19;
             this.btnAnimBack.Text = "<";
             this.btnAnimBack.UseVisualStyleBackColor = true;
+            this.btnAnimBack.Click += new System.EventHandler(this.btnAnimBack_Click);
             // 
             // lblAnimationFwdBack
             // 

SpriteLibrary/SpriteEntryForm.cs

@@ -113,6 +113,16 @@ namespace SpriteLibrary
             }
             else
                 panelRadioButtons.Visible = true;
+            if(TempInformation.Animations.Count >1)
+            {
+                btnAnimBack.Enabled = true;
+                btnAnimFwd.Enabled = true;
+            }
+            else
+            {
+                btnAnimBack.Enabled = false;
+                btnAnimFwd.Enabled = false;
+            }
             if (rbFromImage.Checked)
             {
                 if(!TCTabPages.TabPages.Contains(tpFromImage))
@@ -398,5 +408,28 @@ namespace SpriteLibrary
             SpriteInformationToForm();
             UpdateMenu();
         }
+
+        private void btnAnimBack_Click(object sender, EventArgs e)
+        {
+            ApplyChanges();
+            CurrentSIAnimation--;
+            if (CurrentSIAnimation < 0)
+                CurrentSIAnimation = TempInformation.Animations.Count - 1;
+
+            SpriteInformationToForm();
+            UpdateMenu();
+        }
+
+        private void btnAnimFwd_Click(object sender, EventArgs e)
+        {
+            ApplyChanges();
+            CurrentSIAnimation++;
+            if (CurrentSIAnimation >=TempInformation.Animations.Count)
+                CurrentSIAnimation = 0;
+
+            SpriteInformationToForm();
+            UpdateMenu();
+
+        }
     }
 }