/// <summary>
/// Recursively searches for a given control id in the
/// collection passed via the <paramref name="ctrlColl"/> parameter.
/// </summary>
///
/// <param name="ctrlColl">A Collection<CommonFileDialogControl></param>
/// <param name="id">An int containing the identifier of the control
/// being searched for.</param>
///
/// <returns>A DialogControl who's Id matches the value of the
/// <paramref name="id"/> parameter.</returns>
///
internal DialogControl GetSubControlbyId(IEnumerable <T> ctrlColl,
int id)
{
DialogControl foundControl = null;
int iSubCtrlCount = 0;
// if ctrlColl is null, it will throw in the foreach.
if (ctrlColl == null)
{
return(null);
}
foreach (DialogControl control in ctrlColl)
{
// Match?
if (control.Id == id)
{
return(control);
}
// Search GroupBox child items
if (control is CommonFileDialogGroupBox)
{
CommonFileDialogGroupBox groupBox = control as CommonFileDialogGroupBox;
// recurse and search the GroupBox
iSubCtrlCount =
((CommonFileDialogGroupBox)control).Items.Count;
if (iSubCtrlCount > 0)
{
foundControl = this.GetSubControlbyId(
groupBox.Items as IEnumerable <T>,
id);
// make sure something was actually found
if (foundControl != null)
{
return(foundControl);
}
}
}
}
// Control id not found - likely an error, but the calling
// function should ultimately decide.
return(null);
}
private void AddCustomControls(CommonFileDialog openDialog)
{
// Add a RadioButtonList
CommonFileDialogRadioButtonList list = new CommonFileDialogRadioButtonList("Options");
list.Items.Add(new CommonFileDialogRadioButtonListItem("Option A"));
list.Items.Add(new CommonFileDialogRadioButtonListItem("Option B"));
list.SelectedIndexChanged += RBLOptions_SelectedIndexChanged;
list.SelectedIndex = 1;
openDialog.Controls.Add(list);
// Create a groupbox
CommonFileDialogGroupBox groupBox = new CommonFileDialogGroupBox("Options");
// Create and add two check boxes to this group
CommonFileDialogCheckBox checkA = new CommonFileDialogCheckBox("Option A", true);
CommonFileDialogCheckBox checkB = new CommonFileDialogCheckBox("Option B", true);
checkA.CheckedChanged += ChkOptionA_CheckedChanged;
checkB.CheckedChanged += ChkOptionB_CheckedChanged;
groupBox.Items.Add(checkA);
groupBox.Items.Add(checkB);
// Create and add a separator to this group
groupBox.Items.Add(new CommonFileDialogSeparator());
// Create and add a button to this group
CommonFileDialogButton btnCFDPushButton = new CommonFileDialogButton("Push Button");
btnCFDPushButton.Click += PushButton_Click;
groupBox.Items.Add(btnCFDPushButton);
// Add groupbox to dialog
openDialog.Controls.Add(groupBox);
// Add a Menu
CommonFileDialogMenu menu = new CommonFileDialogMenu("Sample Menu");
CommonFileDialogMenuItem itemA = new CommonFileDialogMenuItem("Menu Item 1");
CommonFileDialogMenuItem itemB = new CommonFileDialogMenuItem("Menu Item 2");
itemA.Click += MenuOptionA_Click;
itemB.Click += MenuOptionA_Click;
menu.Items.Add(itemA);
menu.Items.Add(itemB);
openDialog.Controls.Add(menu);
// Add a TextBox
openDialog.Controls.Add(new CommonFileDialogLabel("Enter name"));
openDialog.Controls.Add(new CommonFileDialogTextBox("textBox", Environment.UserName));
// Add a ComboBox
CommonFileDialogComboBox comboBox = new CommonFileDialogComboBox();
comboBox.SelectedIndexChanged += ComboEncoding_SelectedIndexChanged;
comboBox.Items.Add(new CommonFileDialogComboBoxItem("Combobox Item 1"));
comboBox.Items.Add(new CommonFileDialogComboBoxItem("Combobox Item 2"));
comboBox.SelectedIndex = 1;
openDialog.Controls.Add(comboBox);
}