#TOOLTIP WINDOWS GRID KEYGEN#
Public static void SetTooltip(DependencyObject obj, string value) => obj. Public static string GetTooltip(DependencyObject obj) => (string)obj.GetValue(TooltipProperty) Public static class HeaderAttachedProperty Public virtual bool IgnorePropert圜hangeEvents = "Tooltip for Price column" / Whether the view model should ignore property-change events. Public event Propert圜hangedEventHandler Propert圜hanged Public event Propert圜hangingEventHandler Propert圜hanging Public abstract class BaseViewModel : INotifyPropert圜hanging, INotifyPropert圜hanged
The view model base, for notify when a property is changed: using System.ComponentModel Private string _priceTooltip = "Tooltip for Price column"
Public class MainWindowViewModel : BaseViewModelĮrrorDescription = "Price has to be greater than 0.",īase.RaisePropert圜hangedEvent(nameof(Items)) Namespace TestStyleWithAttachedProperties.ViewModels Public static void SetTooltip(DependencyObject obj, string value)ĮDIT: I will add a complite simple example to simplify the code. Return (string)obj.GetValue(TooltipProperty) The ToolTip can be added to the particular cell by setting the CellTipText property of a cell. Public static string GetTooltip(DependencyObject obj) ToolTip in Windows Forms Grid Control Adding ToolTip. Typeof(CabeceraDatagridAttachedProperty)) Public static readonly DependencyProperty TooltipProperty = Public static class CabeceraDatagridAttachedProperty XML resource file that defines the style: When you handle this event, getting the value of a cell ToolTipText property raises the event and returns the value of the DataGridViewCellToolTipTextNeededEventArgs.ToolTipText property as specified in the event handler.I want to define a style for the datagrid columns that get the text of the tooltip through an attached property. To avoid a performance penalty when working with large amounts of data, handle the CellToolTipTextNeeded event rather than setting the ToolTipText property of multiple cells. When you bind the DataGridView control to an external data source or provide your own data source by implementing virtual mode, you might encounter performance issues. References to the System and assemblies. The CellFormatting event of the control must be associated with the event handler method shown in the example. With Me.dataGridView1.Rows(e.RowIndex).Cells(e.ColumnIndex)Ī DataGridView control named dataGridView1 that contains a column named Rating for displaying string values of one through four asterisk ("*") symbols. If e.ColumnIndex = Me.dataGridView1.Columns("Rating").Index _ Sub dataGridView1_CellFormatting(ByVal sender As Object, _īyVal e As DataGridViewCellFormattingEventArgs) _ ' Sets the ToolTip text for cells in the Rating column. Void dataGridView1_CellFormatting(object sender, Sets the ToolTip text for cells in the Rating column.
If ( (e->ColumnIndex = this->dataGridView1->Columns->Index) Void dataGridView1_CellFormatting(Object^ /*sender*/, Set the DataGridViewCell.ToolTipText property. You can also disable the display of cell-level ToolTips by setting the DataGridView.ShowCellToolTips property to false. For example, if you have a row that displays status icons, you may want to provide text explanations using ToolTips. This is useful to display to users additional information about a cell or to provide to users an alternate description of the cell contents. You can override this behavior, however, to set ToolTip-text values for individual cells. By default, ToolTips are used to display the values of DataGridView cells that are too small to show their entire contents.
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