.net/C# NumericUpDown control

Little scum · Posted on 1/12/2018 3:22:33 PM

NumericUpDown, also known as the numeric selection control, is a control that displays and enters a value, the control provides a pair of up and down arrows, the user clicks on the up and down arrows to select a value, or directly enter a value
Control properties:
Maximum:设置数值允许的最大值，如果超过这个最大值会自动被修改为设置的最大值
Minimum:设置数值允许的最小值，如果超过这个最小值会自动被修改为设置的最小值
DecimalPlaces:获取或者设置数字显示框中的世十进制小数点的位数
Hexadecimal:获取或者设置一个值，该值指示显示框是否以十六进制的格式显示包含的值
InterceptArrowKeys:是否允许用户使用上下键调整值的大小
Value:获取显示框中的值
UpDownAlign:设置或获取数值显示框中向上和向下按钮的对齐方式

Create a new FormWin 32 program
Add the form code as follows
private void Form1_Load(object sender, EventArgs e)
{
   numericUpDown1.Minimum = 0;    Set the minimum allowed value
   numericUpDown1.Maximum = 100; Set the maximum allowed value
   numericUpDown1.DecimalPlaces = 2; Set the number of decimal places to 3 digits
   numericUpDown1.Increment = 1;    Set the step size to 1
   numericUpDown1.InterceptArrowKeys = true; Allows adjusting values by up and down arrows
}

Also add a ValueChanged event for NumericUpDOwn
private void numericUpDown1_ValueChanged(object sender, EventArgs e)
   {
         textBox1.Text = "The value you entered is:" + numericUpDown1.Value;
   }

[WinForm] .net/C# NumericUpDown control

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