using Syncfusion.WinForms.Input;

// Create datetime editor
SfDateTimeEdit dateTimeEdit = new SfDateTimeEdit();
dateTimeEdit.Location = new Point(20, 20);
dateTimeEdit.Size = new Size(200, 30);
dateTimeEdit.Value = DateTime.Now;

// Add to form
this.Controls.Add(dateTimeEdit);

Imports Syncfusion.WinForms.Input

' Create datetime editor
Dim dateTimeEdit As New SfDateTimeEdit()
dateTimeEdit.Location = New Point(20, 20)
dateTimeEdit.Size = New Size(200, 30)
dateTimeEdit.Value = DateTime.Now

' Add to form
Me.Controls.Add(dateTimeEdit)

// Appointment date picker (next 30 days only)
SfDateTimeEdit appointmentDate = new SfDateTimeEdit();
appointmentDate.Value = DateTime.Now;
appointmentDate.MinDateTime = DateTime.Now;
appointmentDate.MaxDateTime = DateTime.Now.AddDays(30);
appointmentDate.DateTimePattern = DateTimePattern.LongDate;

this.Controls.Add(appointmentDate);

// Time selection control
SfDateTimeEdit timePicker = new SfDateTimeEdit();
timePicker.Value = DateTime.Now;
timePicker.DateTimePattern = DateTimePattern.LongTime;
timePicker.DateTimeEditingMode = DateTimeEditingMode.Mask;
timePicker.ShowUpDown = true;

this.Controls.Add(timePicker);

// Custom format: "DD-MMM-YYYY" (e.g., "25-Dec-2024")
SfDateTimeEdit customDate = new SfDateTimeEdit();
customDate.Value = DateTime.Now;
customDate.DateTimePattern = DateTimePattern.Custom;
customDate.Format = "dd-MMM-yyyy";

this.Controls.Add(customDate);

// Optional date field with watermark
SfDateTimeEdit optionalDate = new SfDateTimeEdit();
optionalDate.DateTimeEditingMode = DateTimeEditingMode.Mask;
optionalDate.AllowNull = true;
optionalDate.Value = null;
optionalDate.Watermark = "Select a date...";

this.Controls.Add(optionalDate);

// Field-by-field editing with increment/decrement
SfDateTimeEdit maskEditor = new SfDateTimeEdit();
maskEditor.Value = DateTime.Now;
maskEditor.DateTimeEditingMode = DateTimeEditingMode.Mask;
maskEditor.ShowUpDown = true;
maskEditor.DateTimePattern = DateTimePattern.ShortDate;

this.Controls.Add(maskEditor);

// Date range for filtering (From/To dates)
SfDateTimeEdit fromDate = new SfDateTimeEdit();
fromDate.Value = DateTime.Now.AddDays(-30);
fromDate.DateTimePattern = DateTimePattern.ShortDate;

SfDateTimeEdit toDate = new SfDateTimeEdit();
toDate.Value = DateTime.Now;
toDate.DateTimePattern = DateTimePattern.ShortDate;
toDate.MinDateTime = fromDate.Value.Value;

// Update toDate minimum when fromDate changes
fromDate.ValueChanged += (s, e) => {
    if (fromDate.Value.HasValue)
        toDate.MinDateTime = fromDate.Value.Value;
};

this.Controls.Add(fromDate);
this.Controls.Add(toDate);

// Date entry with validation
SfDateTimeEdit validatedDate = new SfDateTimeEdit();
validatedDate.Value = DateTime.Now;
validatedDate.MinDateTime = new DateTime(2020, 1, 1);
validatedDate.MaxDateTime = new DateTime(2030, 12, 31);

validatedDate.ValidationCompleted += (s, e) => {
    if (!e.IsValid)
    {
        MessageBox.Show($"Invalid date: {e.ErrorMessage}");
    }
};

this.Controls.Add(validatedDate);