/// <summary>
/// Shows drop down control for the given tree node
/// </summary>
/// <param name="treeNode">Tree Node to show drop down control at</param>
private bool ShowComboBox(DropDownTreeNode treeNode)
{
if (treeNode == null)
{
return(false);
}
this.m_CurrentNode = treeNode;
this.m_CurrentSelectionIdx = this.m_CurrentNode.ComboBox.SelectedIndex;
// Need to add the node's ComboBox to the TreeView's list of controls for it to work
this.Controls.Add(this.m_CurrentNode.ComboBox);
// Set the bounds of the ComboBox, with a little adjustment to make it look right
this.m_CurrentNode.ComboBox.SetBounds(
this.m_CurrentNode.Bounds.X - 1,
this.m_CurrentNode.Bounds.Y - 2,
AimWinFormsUtil.CalculateComboBoxDropdownWidth(this.m_CurrentNode.ComboBox),
//this.m_CurrentNode.Bounds.Width + 25,
this.m_CurrentNode.Bounds.Height);
// Listen to the SelectedValueChanged event of the node's ComboBox
this.m_CurrentNode.ComboBox.SelectedValueChanged += ComboBox_SelectedValueChanged;
this.m_CurrentNode.ComboBox.DropDownClosed += ComboBox_DropDownClosed;
this.m_CurrentNode.ComboBox.BackColor = Color.DeepPink;
// Now show the ComboBox
this.m_CurrentNode.ComboBox.Show();
this.m_CurrentNode.ComboBox.DroppedDown = true;
return(true);
}
private void _cmbAnnotationType_DropDown(object sender, EventArgs e)
{
var cmbBox = sender as ComboBox;
if (cmbBox != null)
{
cmbBox.DropDownWidth = AimWinFormsUtil.CalculateComboBoxDropdownWidth(cmbBox);
}
}
private void OnDropDown(object sender, EventArgs e)
{
// Adjust dropdown width to be as large as the longest item's width
ComboBox cmbBox = sender as ComboBox;
if (cmbBox != null)
{
cmbBox.DropDownWidth = AimWinFormsUtil.CalculateComboBoxDropdownWidth(cmbBox);
}
}