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Hello, Valery,
Since R1 2017 RadSpinEditor supports null values. In order to enable this functionality for the PropertyGridSpinEditor, it is necessary to set the EnableNullValueInput property to true when the editor is initialized. You can find below a sample code snippet:
When the editor is activated, pressing Ctrl+Del will clear the value. Note that the associated property should allow null values in order to clear the value. Otherwise, 0 will be set as a new value instead of null.
I hope this information helps. If you need any further assistance please don't hesitate to contact me.
Regards,
Dess | Tech Support Engineer, Sr.
Progress Telerik
Since R1 2017 RadSpinEditor supports null values. In order to enable this functionality for the PropertyGridSpinEditor, it is necessary to set the EnableNullValueInput property to true when the editor is initialized. You can find below a sample code snippet:
private void radPropertyGrid1_EditorInitialized(object sender, Telerik.WinControls.UI.PropertyGridItemEditorInitializedEventArgs e){ PropertyGridSpinEditor editor = e.Editor as PropertyGridSpinEditor; if (editor != null) { BaseSpinEditorElement el = editor.EditorElement as BaseSpinEditorElement; el.EnableNullValueInput = true; }}When the editor is activated, pressing Ctrl+Del will clear the value. Note that the associated property should allow null values in order to clear the value. Otherwise, 0 will be set as a new value instead of null.
I hope this information helps. If you need any further assistance please don't hesitate to contact me.
Regards,
Dess | Tech Support Engineer, Sr.
Progress Telerik
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