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To add ToolTips that display UserData for a single cell, use C1FlexGrid's MouseMove event to get the UserData and display it in a ToolTip control.

1. Locate the ToolTip control in the Toolbox and add it to the form.
2. Add the following SetUserData method to the Form_Load event:

   To write code in Visual Basic

   Visual Basic	Copy Code
   Me.C1FlexGrid1.SetUserData(1, "Element", "Hydrogen is a highly flammable gas.")

   To write code in C#

   C#	Copy Code
   this.c1FlexGrid1.SetUserData(1, "Element", "Hydrogen is a highly flammable gas.");

3. Add the following MouseMove event:

   To write code in Visual Basic

   Visual Basic	Copy Code
   Private Sub C1FlexGrid1_MouseMove(ByVal sender As Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles C1FlexGrid1.MouseMove Dim tip As String tip = Me.C1FlexGrid1.GetUserData(C1FlexGrid1.MouseRow, C1FlexGrid1.MouseCol) ToolTip1.SetToolTip(C1FlexGrid1, tip) End Sub

   To write code in C#

   C#	Copy Code
   private void c1FlexGrid1_MouseMove(object sender, System.Windows.Forms.MouseEventArgs e) { string tip; tip = (string)this.c1FlexGrid1.GetUserData(c1FlexGrid1.MouseRow, c1FlexGrid1.MouseCol); toolTip1.SetToolTip(c1FlexGrid1, tip); }

This topic illustrates the following:

When the mouse moves over the first row in the Element column, the information about Hydrogen appears.

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