ScreenTip for a DropDownList

[Christian]

 

Hello How can I display the ScreenTip for a DropDownList? I would be grateful for a hint. With kind regards Hello How can I display the ScreenTip for a DropDownList? I would be grateful for a hint. With kind regards Christian Rudat

[Plamen]

Hi Christian,

Thank you for writing.

In order to show screentips for the items of the drop-down popup, you can subscribe to the ScreenTipNeeded event assign a screentip when it is needed and about to be shown:

public Form1()
{
    InitializeComponent();

    this.radDropDownList1.DropDownListElement.Popup.ScreenTipNeeded += new Telerik.WinControls.ScreenTipNeededEventHandler(Popup_ScreenTipNeeded);
}

void Popup_ScreenTipNeeded(object sender, Telerik.WinControls.ScreenTipNeededEventArgs e)
{
    RadOffice2007ScreenTipElement screenTip = new RadOffice2007ScreenTipElement();
    screenTip.CaptionLabel.Text = "Caption " + e.Item.Text;
    screenTip.MainTextLabel.Text = "MainText " + e.Item.Text;
    e.Item.ScreenTip = screenTip;
}

As to the main part of RadDropDownList, it consist of several smaller parts (ArrowButton, DropDownListElement and TextBoxItem) that need to have screentips assigned to them:

RadOffice2007ScreenTipElement arrowButtonScreenTip = new RadOffice2007ScreenTipElement();
arrowButtonScreenTip.CaptionLabel.Text = "ArrowButton element";
arrowButtonScreenTip.MainTextLabel.Text = "ScreenTip";
this.radDropDownList1.DropDownListElement.ArrowButton.ScreenTip = arrowButtonScreenTip;

RadOffice2007ScreenTipElement dropDownListElementScreenTip = new RadOffice2007ScreenTipElement();
dropDownListElementScreenTip.CaptionLabel.Text = "DropDownListElement element";
dropDownListElementScreenTip.MainTextLabel.Text = "ScreenTip";
this.radDropDownList1.DropDownListElement.ScreenTip = dropDownListElementScreenTip;

RadOffice2007ScreenTipElement editableElementScreenTip = new RadOffice2007ScreenTipElement();
editableElementScreenTip.CaptionLabel.Text = "TextBoxItem element";
editableElementScreenTip.MainTextLabel.Text = "ScreenTip";
this.radDropDownList1.DropDownListElement.EditableElement.TextBox.TextBoxItem.ScreenTip = editableElementScreenTip;

Find attached a sample project which demonstrates this functionality.

I hope this helps.

Regards,
Plamen
the Telerik team