需求:滚动滚动条时显示pnlBack里面的button文本框里输入数字,改变每行显示的按钮数源码如下:/// <summary>/// 窗体加载/// </summary>/// <param name="sender">& ...
需求:
滚动滚动条时显示pnlBack里面的button
文本框里输入数字,改变每行显示的按钮数
源码如下:
/// <summary>/// 窗体加载/// </summary>/// <param name="sender"></param>/// <param name="e"></param>private void Form1_Load(object sender, EventArgs e){ InitialButtons();}/// <summary>/// 往pnlBack中添加button并联动水平滚动条/// </summary>/// <param name="a">每行显示的button数,默认为15</param>private void InitialButtons(int a = 15){ //初始化显示在pnlBack里面的button if (txtCols.Text.Trim() != "") { int.TryParse(txtCols.Text.Trim(), out a); if (a <= 0) { a = 15; } } pnlBack.Controls.Clear(); for (int i = 0; i < 60; i++) { Button btn = new Button(); btn.Size = new Size(140, 80); btn.Text = "Text" + (i + 1); if (i < a) { btn.Location = new Point(i * 140 + (i + 1) * 10, 10); } else if (i < 2 * a) { btn.Location = new Point((i - a) * 140 + (i + 1 - a) * 10, 100); } else if (i < 3 * a) { btn.Location = new Point((i - 2 * a) * 140 + (i + 1 - 2 * a) * 10, 190); } else { btn.Location = new Point((i - 3 * a) * 140 + (i + 1 - 3 * a) * 10, 280); } pnlBack.Controls.Add(btn); } pnlBack.Width = 10 + (10 + 140) * a; //初始化水平滚动条 Hsb.Maximum = pnlBack.Width + 20; Hsb.Minimum = 0; Hsb.LargeChange = pnlOwner.Width; Hsb.SmallChange = 5;}//水平滚动条滚动private void Hsb_Scroll(object sender, ScrollEventArgs e){ pnlBack.Left = pnlBack.Left - (e.NewValue - e.OldValue);}//更改每行的按钮数目private void btnOk_Click(object sender, EventArgs e){ InitialButtons();}
原标题:winform水平滚动条联动panel
关键词:winform
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