Warship/Warship/FormMapWithSetWarships.Designer.cs

@@ -103,6 +103,7 @@
             this.buttonDown.Size = new System.Drawing.Size(30, 30);
             this.buttonDown.TabIndex = 10;
             this.buttonDown.UseVisualStyleBackColor = true;
+            this.buttonDown.Click += new System.EventHandler(this.ButtonMove_Click);
             // 
             // buttonRight
             // 
@@ -114,6 +115,7 @@
             this.buttonRight.Size = new System.Drawing.Size(30, 30);
             this.buttonRight.TabIndex = 9;
             this.buttonRight.UseVisualStyleBackColor = true;
+            this.buttonRight.Click += new System.EventHandler(this.ButtonMove_Click);
             // 
             // buttonLeft
             // 
@@ -125,6 +127,7 @@
             this.buttonLeft.Size = new System.Drawing.Size(30, 30);
             this.buttonLeft.TabIndex = 8;
             this.buttonLeft.UseVisualStyleBackColor = true;
+            this.buttonLeft.Click += new System.EventHandler(this.ButtonMove_Click);
             // 
             // buttonUp
             // 
@@ -136,6 +139,7 @@
             this.buttonUp.Size = new System.Drawing.Size(30, 30);
             this.buttonUp.TabIndex = 7;
             this.buttonUp.UseVisualStyleBackColor = true;
+            this.buttonUp.Click += new System.EventHandler(this.ButtonMove_Click);
             // 
             // buttonShowOnMap
             // 

Warship/Warship/FormMapWithSetWarships.cs

@@ -53,7 +53,7 @@ namespace Warship
             if (form.ShowDialog() == DialogResult.OK)
             {
                 DrawingObjectWarship warship = new(form.SelectedWarship);
-                if (_mapWarshipsCollectionGeneric + warship)
+                if (_mapWarshipsCollectionGeneric + warship>=0)
                 {
                     MessageBox.Show("Объект добавлен");
                     pictureBox.Image = _mapWarshipsCollectionGeneric.ShowSet();
@@ -76,7 +76,7 @@ namespace Warship
                 return;
             }
             int pos = Convert.ToInt32(maskedTextBoxPosition.Text);
-            if (_mapWarshipsCollectionGeneric - pos)
+            if (_mapWarshipsCollectionGeneric - pos !=null)
             {
                 MessageBox.Show("Объект удален");
                 pictureBox.Image = _mapWarshipsCollectionGeneric.ShowSet();

Warship/Warship/MapWithSetWarshipsGeneric.cs

@@ -27,12 +27,12 @@ namespace Warship
             _map = map;
         }
 
-        public static bool operator +(MapWithSetWarshipsGeneric<T,U> map, T warship)
+        public static int operator +(MapWithSetWarshipsGeneric<T,U> map, T warship)
         {
             return map._setWarship.Insert(warship);
         }
 
-        public static bool operator -(MapWithSetWarshipsGeneric<T,U> map, int position)
+        public static T operator -(MapWithSetWarshipsGeneric<T,U> map, int position)
         {
             return map._setWarship.Remove(position);
         }
@@ -101,9 +101,10 @@ namespace Warship
             {
                 for (int j = 0; j < _pictureHeight / _placeSizeHeight + 1; ++j)
                 {
-                    gr.DrawLine(pen, i * _placeSizeWidth+10, j * _placeSizeHeight+2, i * _placeSizeWidth + (int)(_placeSizeWidth*0.8), j * _placeSizeHeight+2);
-                    gr.DrawLine(pen, i * _placeSizeWidth + (int)(_placeSizeWidth * 0.8), j * _placeSizeHeight + 2, i * _placeSizeWidth + (int)(_placeSizeWidth * 0.9)+10, j * _placeSizeHeight + 2+20);
-                    gr.DrawLine(pen, i * _placeSizeWidth + (int)(_placeSizeWidth * 0.9) + 10, j * _placeSizeHeight + 2 + 20, i * _placeSizeWidth + (int)(_placeSizeWidth * 0.9) + 10, j * _placeSizeHeight + 2 + 20);
+                    gr.DrawLine(pen, i * _placeSizeWidth + 20, j * _placeSizeHeight+2, i * _placeSizeWidth + (int)(_placeSizeWidth*0.8), j * _placeSizeHeight+2);
+                    gr.DrawLine(pen, i * _placeSizeWidth + 20, j * _placeSizeHeight + _placeSizeHeight/2+2, i * _placeSizeWidth + (int)(_placeSizeWidth * 0.8), j * _placeSizeHeight + _placeSizeHeight/2+2);
+                    gr.DrawLine(pen, i * _placeSizeWidth + (int)(_placeSizeWidth * 0.8), j * _placeSizeHeight + 2, i * _placeSizeWidth + _placeSizeWidth, j * _placeSizeHeight + _placeSizeHeight/2);
+                    gr.DrawLine(pen, i * _placeSizeWidth + _placeSizeWidth, j * _placeSizeHeight + _placeSizeHeight / 2, i * _placeSizeWidth+ (int)(_placeSizeWidth * 0.8), j * _placeSizeHeight + _placeSizeHeight);
                 }
             }
         }
@@ -117,7 +118,7 @@ namespace Warship
             {
                 if (_setWarship.Get(i) != null)
                 {
-                    _setWarship.Get(i).SetObject(i % width * _placeSizeWidth + 10, (height - 1 - i / width) * _placeSizeHeight + 10, _pictureWidth, _pictureHeight);
+                    _setWarship.Get(i).SetObject(i % width * _placeSizeWidth, (height - 1 - i / width) * _placeSizeHeight, _pictureWidth, _pictureHeight);
                     _setWarship.Get(i)?.DrawingObject(gr);
                 }
             }

Warship/Warship/SetWarshipsGeneric.cs

@@ -18,22 +18,22 @@ namespace Warship
             _places = new T[count];
         }
 
-        public bool Insert(T warship)
+        public int Insert(T warship)
         {
             return Insert(warship,0);
         }
         
-        public bool Insert(T warship, int position)
+        public int Insert(T warship, int position)
         {
             int EmptyEl=-1;
 
             if (position>=Count || position < 0)
-                return false;
+                return -1;
 
             if (_places[position] == null)
             {
                 _places[position] = warship;
-                return true;
+                return 1;
             }
 
             else if (_places[position] != null)
@@ -46,23 +46,24 @@ namespace Warship
                     }
 
                 if (EmptyEl == -1)
-                    return false;
+                    return -1;
 
                 for (int i = EmptyEl; i > position; i--)
                     _places[i] = _places[i - 1];
             }
 
             _places[position] = warship;
-            return true;
+            return 1;
         }
 
-        public bool Remove(int position)
+        public T Remove(int position)
         {
             if (position >= Count || position < 0 || _places[position]==null)
-                return false;
+                return null;
 
+            T deleted =_places[position];
             _places[position] = null;
-            return true;
+            return deleted;
         }
 
         public T Get(int position)