/// <summary>
/// Custom implementation of the <see cref="InitializeEditingControl"/> function.
/// This function is called by the <see cref="DataGridView"/> control
/// at the beginning of an editing session. It makes sure
/// that the properties of the <see cref="ColorButton"/> editing control are
/// set according to the cell properties.
/// </summary>
/// <param name="rowIndex">The zero-based row index of the cell.</param>
/// <param name="initialFormattedValue">An <see cref="Object"/> that represents the value displayed by the cell when editing is started.</param>
/// <param name="dataGridViewCellStyle">A <see cref="DataGridViewCellStyle"/> that represents the style of the cell.</param>
public override void InitializeEditingControl(int rowIndex, object initialFormattedValue, DataGridViewCellStyle dataGridViewCellStyle)
{
base.InitializeEditingControl(rowIndex, initialFormattedValue, dataGridViewCellStyle);
ColorDropdown colorDropdown = this.DataGridView.EditingControl as ColorDropdown;
if (colorDropdown != null)
{
colorDropdown.CurrentColor = this._currentColor;
}
}
/// <summary>
/// Overridden. Unsubscribes events from the hosted control.
/// </summary>
/// <param name="c">control</param>
protected override void OnUnsubscribeControlEvents(Control c)
{
// Call the base method so the basic events are unsubscribed.
base.OnUnsubscribeControlEvents(c);
// Cast the control to a ColorDropdown control.
ColorDropdown colorDropdownControl = (ColorDropdown)c;
// Remove the event.
colorDropdownControl.ColorChanged -=
new EventHandler(colorDropdownControl_ColorChanged);
}
/// <summary>
/// Overridden. Subscribes events from the hosted control.
/// </summary>
/// <param name="c">control</param>
protected override void OnSubscribeControlEvents(Control c)
{
// Call the base so the base events are connected.
base.OnSubscribeControlEvents(c);
// Cast the control to a ColorDropdown control.
ColorDropdown colorDropdownControl = (ColorDropdown)c;
// Add the event.
colorDropdownControl.ColorChanged +=
new EventHandler(colorDropdownControl_ColorChanged);
}