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C# winforms numericupdown control


C# winforms numericupdown control

By : Josue Ruiz
Date : October 18 2020, 11:12 AM
I wish did fix the issue. Building on TheVillageIdiot's answer... You could create a reusable subclass like:
code :


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c# WinForms can you get the NumericUpDown text area

c# WinForms can you get the NumericUpDown text area


By : user2414813
Date : March 29 2020, 07:55 AM
Hope this helps You can get this by using a Label control instead of the baked-in TextBox control. Add a new class to your project and paste the code shown below. Compile. Drop the new control from the top of the toolbox onto your form.
code :
using System;
using System.Windows.Forms;

class UpDownLabel : NumericUpDown {
    private Label mLabel;
    private TextBox mBox;

    public UpDownLabel() {
        mBox = this.Controls[1] as TextBox;
        mBox.Enabled = false;
        mLabel = new Label();
        mLabel.Location = mBox.Location;
        mLabel.Size = mBox.Size;
        this.Controls.Add(mLabel);
        mLabel.BringToFront();
    }

    protected override void UpdateEditText() {
        base.UpdateEditText();
        if (mLabel != null) mLabel.Text = mBox.Text;
    }
}
C# WinForms numericUpDown control (removing the spin box)

C# WinForms numericUpDown control (removing the spin box)


By : user3144118
Date : March 29 2020, 07:55 AM
I wish this help you You can inherit from NumericUpDown. The trick is to hide control when the control is created.
code :
public class NumericUpDownWitoutButtons : NumericUpDown
{
    public NumericUpDownWitoutButtons()
    {
        Controls[0].Visible = false;
    }

    protected override void OnPaint(PaintEventArgs e)
    {
        e.Graphics.Clear(SystemColors.Window);
        base.OnPaint(e);
    }
}
Limiting the current value of NumericUpDown control to another NumericUpDown

Limiting the current value of NumericUpDown control to another NumericUpDown


By : sandy
Date : March 29 2020, 07:55 AM
it should still fix some issue I have 2 NumericUpDown controls in a winforms application for a Min/Max value. I want to do something so that if the MAX is lets say 30, the MIN value should not increase over 29, and if lets say the MIN value is currently 20, the MAX value should not go lover than 21.
code :
    private void numericUpDownChartMin_ValueChanged(object sender, EventArgs e)
    {
         numericUpDownChartMax.Minimum = numericUpDownChartMin.Value + 1;
    }

    private void numericUpDownChartMax_ValueChanged(object sender, EventArgs e)
    {
         numericUpDownChartMin.Maximum = numericUpDownChartMax.Value - 1;
    }
Updating NumericUpDown value according to another NumericUpDown control

Updating NumericUpDown value according to another NumericUpDown control


By : Cindy Bradley Wickli
Date : March 29 2020, 07:55 AM
will be helpful for those in need You're going to have a problem here, because you're trying to reference an element called "numDispenseQty", which you don't have access to (assuming it is inside a DataTemplate). Instead of handling the "value changed" event, you should be using a two-way binding to the view-model:
code :
<Input:SfNumericUpDown Value="{Binding CompoundQty,Mode=TwoWay}" />
public double CompoundQty
{
    get { return _compoundQty; }
    set
    { 
        _compoundQty = value;
        UpdateResultQty();
        RaisePropertyChanged("CompoundQty");
    }
}

private void UpdateResultQty()
{
    ResultQty = DispenseQty * CompoundQty;
}
Update Value of the NumericUpDown control without raising of ValueChanged event (Winforms)

Update Value of the NumericUpDown control without raising of ValueChanged event (Winforms)


By : Mena Farag
Date : March 29 2020, 07:55 AM
it fixes the issue Have you tried changing just the internal value and updating the text instead? That way you can bypass the eventhandler being fired.
If you take a look at the source code ( http://referencesource.microsoft.com/System.Windows.Forms/winforms/Managed/System/WinForms/NumericUpDown.cs.html#0aaedcc47a6cf725 ) You will see that the property Value is using a private field called currentValue this is the value you would like to set. And afterwards just do control.Text = value.ToString();
code :
private void SetNumericUpDownValue(NumericUpDown control, decimal value)
{
    if (control == null) throw new ArgumentNullException(nameof(control));
    var currentValueField = control.GetType().GetField("currentValue", BindingFlags.Instance | BindingFlags.NonPublic);
    if (currentValueField != null)
    {
        currentValueField.SetValue(control, value);
        control.Text = value.ToString();
    }
}
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