برمجة تطبيقات الويندوز C# Programming

bool numbersOnly;

public MyTextBox()
{
numbersOnly = false;
}
public bool NumbersOnly
{
get { return this.numbersOnly; }
set { this.numbersOnly = value; }
}





protected override void OnKeyPress(KeyPressEventArgs e)
if (!char.IsControl(e.KeyChar) && !char.IsDigit(e.KeyChar)&&NumbersOnly==true)
{
e.Handled = true;
}
base.OnKeyPress(e);
}
}

www.tgoop.com/CsharpWindowsForm/93

439 viewsApr 9, 2020 at 23:30

bool numbersOnly;

public MyTextBox()
{
numbersOnly = false;
}
public bool NumbersOnly
{
get { return this.numbersOnly; }
set { this.numbersOnly = value; }
}





protected override void OnKeyPress(KeyPressEventArgs e)
if (!char.IsControl(e.KeyChar) && !char.IsDigit(e.KeyChar)&&NumbersOnly==true)
{
e.Handled = true;
}
base.OnKeyPress(e);
}
}

BY برمجة تطبيقات الويندوز C# Programming