public override object EditValue(
System.ComponentModel.ITypeDescriptorContext context,
System.IServiceProvider provider, object value)
{
SelectDrive frm = new SelectDrive();
// Set current drive in window.
frm.DriveSelection = (char)value;
frm.ShowDialog();
// Return the new value.
return frm.DriveSelection;
}
public override object EditValue(
System.ComponentModel.ITypeDescriptorContext context,
System.IServiceProvider provider, object value)
{
SelectDrive frm = new SelectDrive();
// Set current drive in window.
frm.DriveSelection = (char)value;
frm.ShowDialog();
// Return the new value.
return(frm.DriveSelection);
}
protected void OnVerb(object sender, EventArgs e)
{
char oldValue = ((DirectoryTree)this.Control).Drive;
char newValue;
if (sender == verbSetDrive)
{
// Show the form.
using (SelectDrive frm = new SelectDrive())
{
frm.DriveSelection = oldValue;
// Exit in case Cancel is clicked.
if (frm.ShowDialog() != DialogResult.OK)
{
return;
}
// Get the result.
newValue = frm.DriveSelection;
}
}
else
{
// Retrieve the selected drive.
newValue = ((DesignerVerb)sender).Text[10];
}
// Adjust the associated control.
((DirectoryTree)this.Control).Drive = newValue;
// Notify the IDE that the Drive property has changed.
PropertyDescriptorCollection properties;
properties = TypeDescriptor.GetProperties(typeof(DirectoryTree));
PropertyDescriptor changedProperty = properties.Find("Drive", false);
this.RaiseComponentChanged(changedProperty, oldValue, newValue);
}