public override object EditValue(System.ComponentModel.ITypeDescriptorContext context, System.IServiceProvider provider, object value) { // Return the value if the value is not of type Int32, Double and Single. if (!(value is CalculateColumnInfo)) { return(value); } // Uses the IWindowsFormsEditorService to display a // drop-down UI in the Properties window. IWindowsFormsEditorService edSvc = (IWindowsFormsEditorService)provider.GetService(typeof(IWindowsFormsEditorService)); if (edSvc != null) { CalculateColumnInfo calcuateColumnInfo = value as CalculateColumnInfo; // Display an angle selection control and retrieve the value. CalculateColumnEditorForm editForm = new CalculateColumnEditorForm(calcuateColumnInfo); if (DialogResult.OK == edSvc.ShowDialog(editForm)) { // Return the value in the appropraite data format. return(editForm.Value); } } return(value); }
private void BtnEditCalcInfo_Click(object sender, EventArgs e) { CalculateColumnInfo calculateColumnInfo = objField as CalculateColumnInfo; if (calculateColumnInfo == null) { calculateColumnInfo = new CalculateColumnInfo(); } CalculateColumnEditorForm calculateColumnInfoEditForm = new CalculateColumnEditorForm(calculateColumnInfo); if (calculateColumnInfoEditForm.ShowDialog() == DialogResult.OK) { calculateColumnInfoEditForm.HidechkDisplayedSteps(); objField = calculateColumnInfoEditForm.Value; this.SetDisplayFormula(objField); } }