Question

我正在使用简单的代码生成一个网格（gridSize * gridSize字段，其中的行将它们分为列和行，基本上是TicTacToe网格）。

由于我在Form_Load期间动态创建面板，我还需要调整表单的大小。但是，将它设置为gridSize * tileSize，gridSize * tileSize还不够大 - 我通过实验发现，我需要为gridSize = 3和tileSize = 120添加~15到宽度和~40到高度。为什么会这样？

以下代码：

private void Form1_Load(object sender, EventArgs e)
    {
        const int tileSize = 120;
        const int gridSize = 3;

        /* Here: When setting size, I need to add 15 and 40? */
        this.Size = new System.Drawing.Size(tileSize * gridSize + 15, tileSize * gridSize + 40);

        // initialize the "board"
        tictactoeFields = new Panel[gridSize, gridSize]; // column, row

        // double for loop to handle all rows and columns
        for (var n = 0; n < gridSize; n++)
        {
            for (var m = 0; m < gridSize; m++)
            {
                // create new Panel control which will be one 
                // tic tac toe field
                var newPanel = new Panel
                {
                    Size = new Size(tileSize, tileSize),
                    Location = new Point(tileSize * n, tileSize * m)
                };

                // add to our 2d array of panels for future use
                tictactoeFields[n, m] = newPanel;

                newPanel.BackColor = Color.White;

                if(n != 0)
                {
                    // Draw a line in front (to the left) of this panel
                    Panel leftSeparator = new Panel
                    {
                        Size = new Size(1, tileSize),
                        Location = newPanel.Location,
                        BackColor = Color.Black
                    };

                    Controls.Add(leftSeparator);
                }
                if(m != 0)
                {
                    // Draw a line on top (above) this panel
                    Panel topSeparator = new Panel
                    {
                        Size = new Size(tileSize, 1),
                        Location = newPanel.Location,
                        BackColor = Color.Black
                    };

                    Controls.Add(topSeparator);
                }
            }
        }

        foreach(Panel pan in tictactoeFields)
        {
            // add to Form's Controls so that they show up
            Controls.Add(pan);
        }
    }

Answer 1

Size属性只是设置Bounds属性大小的简写，其中包括非客户端元素，如滚动条，边框，标题栏和菜单。

您应该做的是设置ClientRectangle属性的大小，或使用ClientSize简写。

还有一个DisplayRectangle属性，其中包含填充，但在这种情况下使用ClientRectangle属性。

this.ClientSize = new Size((tileSize * gridSize), (tileSize * gridSize));

为什么我的表单需要比其包含的面板更大才能显示它们？

1 个答案: