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How can I change the width of the DateTimePickerAdv when it is in standard format?


It is possible to adjust the width of the DateTimePickerAdv when it is in standard format. The width of the DateTimePickerAdv is calculated by adding the following constraints:

  • Width of the DateTimePickerUpDownButton
  • Width of the DateTimePickerDropButton
  • Font size of the DateTimePickerAdv
  • The length of the DataTimePickerAdv's Value in the specified standard format.


//New font size is set here.

this.dateTimePickerAdv1.Font = new Font("Tahoma", 13);

this.dateTimePickerAdv1.ShowCheckBox = false;

this.dateTimePickerAdv1.ShowUpDown = true;

this.dateTimePickerAdv1.AutoSize = false;

this.dateTimePickerAdv1.AutoSizeMode = AutoSizeMode.GrowOnly;

this.dateTimePickerAdv1.Format = DateTimePickerFormat.Long;

int updownWidth = 0, dropWidth = 0;

//Calculating the UpDown and DropDown button width

foreach (Control ctrl in this.dateTimePickerAdv1.Controls)


if (ctrl.GetType().ToString() == "Syncfusion.Windows.Forms.Tools.DateTimePickerUpDownButton")

updownWidth = ctrl.Size.Width;

else if (ctrl.GetType().ToString() == "Syncfusion.Windows.Forms.Tools.DateTimePickerDropButton")

dropWidth = ctrl.Size.Width;


//Sum up the width of drop down button, updown button and font.

int nWidth = dropWidth + updownWidth + Convert.ToInt32(this.dateTimePickerAdv1.Font.Size * this.dateTimePickerAdv1.Value.ToLongDateString().Length);

this.dateTimePickerAdv1.Width = nWidth;


''Font is set

Me.DateTimePickerAdv2.Font = New Font("Tahoma", 13)

Me.DateTimePickerAdv2.ShowCheckBox = False

Me.DateTimePickerAdv2.ShowUpDown = True

Me.DateTimePickerAdv2.AutoSize = False

Me.DateTimePickerAdv2.AutoSizeMode = Windows.Forms.AutoSizeMode.GrowOnly

Me.DateTimePickerAdv2.Format = DateTimePickerFormat.Long

Dim updownWidth As Integer = 0, dropWidth As Integer = 0

''Calculating the UpDown and DropDown button width

For Each ctrl As Control In Me.DateTimePickerAdv2.Controls

If ctrl.GetType().ToString() = "Syncfusion.Windows.Forms.Tools.DateTimePickerUpDownButton" Then

updownWidth = ctrl.Size.Width

ElseIf ctrl.GetType().ToString() = "Syncfusion.Windows.Forms.Tools.DateTimePickerDropButton" Then

dropWidth = ctrl.Size.Width

End If

Next ctrl

''Sum up the width of drop down button, updown button and font.

Dim nWidth As Integer = dropWidth + updownWidth + Convert.ToInt32(Me.DateTimePickerAdv2.Font.Size * Me.DateTimePickerAdv2.Value.ToLongDateString().Length)

Me.DateTimePickerAdv2.Width = nWidth



Article ID: Published Date: Last Revised Date: Platform: Control:
1771 04/30/2011 07/10/2014 WinForms DateTimePickerAdv
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