GrapeCity.Win.Spread.InputMan.CellType.SideButtonInfo testbutton = new GrapeCity.Win.Spread.InputMan.CellType.SideButtonInfo();
testbutton.BackColor = Color.Aquamarine;
testbutton.ForeColor = Color.DarkMagenta;
testbutton.UseVisualStyleBackColor = false;
testbutton.Enabled = true;
testbutton.Text = "1";
GrapeCity.Win.Spread.InputMan.CellType.GcDateTimeCellType dateCellType = new GrapeCity.Win.Spread.InputMan.CellType.GcDateTimeCellType();
dateCellType.SideButtons.Add(new GrapeCity.Win.Spread.InputMan.CellType.SideButtonInfo() { Text = "A" });
this.fpSpread1_Sheet1.Columns[0].CellType = dateCellType;
GrapeCity.Win.Spread.InputMan.CellType.GcTextBoxCellType textCellType = new GrapeCity.Win.Spread.InputMan.CellType.GcTextBoxCellType();
textCellType.SideButtons.Add(new GrapeCity.Win.Spread.InputMan.CellType.SideButtonInfo() { Text = "B" });
this.fpSpread1_Sheet1.Columns[1].CellType = textCellType;
GrapeCity.Win.Spread.InputMan.CellType.GcDateTimeCellType dateCellType2 = new GrapeCity.Win.Spread.InputMan.CellType.GcDateTimeCellType();
dateCellType2.SideButtons.Add(testbutton);
this.fpSpread1_Sheet1.Columns[2].CellType = dateCellType2;