/// <summary> /// Clear the panel. /// </summary> private void ButtonClearPanel_Click(object sender, EventArgs e) { SetCurrentTool(buttonClearPanel); foreach (Vertex v in vertices) { v.Dispose(); } vertices.Clear(); mapMatrix.Clear(); mapList.Clear(); defaultVertexNameCounter = 'A'; Array.Clear(vertexNameUsed, 0, vertexNameUsed.Length); ResetBoard(); topLeft = new Point(this.panelSketchBoard.Width, this.panelSketchBoard.Height); bottomRight = new Point(0, 0); }