/// <summary>Sets a custom automatic complete list.</summary>
/// <param name="textBox">The text box.</param>
/// <param name="items">The autocomplete strings.</param>
/// <param name="options">The autocomplete options.</param>
public static void SetCustomAutoCompleteList(this TextBox textBox, IList <string> items, AUTOCOMPLETEOPTIONS options = AUTOCOMPLETEOPTIONS.ACO_AUTOSUGGEST)
{
var ac = new IAutoComplete2();
ac.Init(textBox.Handle, new ComEnumStringImpl(items), null, null);
ac.SetOptions(options);
}
protected override void CreateHandle()
{
base.CreateHandle();
autoComplete = (IAutoComplete2) new IAutoComplete();
autoCompleteDropDown = (IAutoCompleteDropDown)autoComplete;
autoComplete.SetOptions(AutoCompleteOptions.AutoSuggest);
autoComplete.Init(new HandleRef(this, this.Handle), new EnumString(new string[] { "Administrator", "Clerk" }), null, null);
}
/// <summary>
/// Enable/Disable auto complete.
/// </summary>
/// <param name="enable">bool</param>
/// <param name="quickComplete">string. Use null to disable CTRL-ENTER handling</param>
/// <remarks>CTRL-ENTER seems to have a bug: it also expands already expanded Urls of the form 'http://xyz.domain'</remarks>
public void SetAutoComplete(Boolean enable, string quickComplete)
{
Int32 ret;
IAutoComplete2 iac2 = (IAutoComplete2)GetAutoComplete();
if (EditHandle == IntPtr.Zero)
{
throw new Exception("EditHandle must not be zero!");
}
if (ListSource == null)
{
throw new Exception("ListSource must not be null!");
}
ret = iac2.Init(EditHandle, ListSource, "", quickComplete);
ret = iac2.SetOptions((UInt32)ACOptions);
ret = iac2.Enable(enable ? 1 : 0);
Marshal.ReleaseComObject(iac2);
}
public static void Enable(IntPtr controlHandle, SourceCustomList items, AUTOCOMPLETEOPTIONS options)
{
if (controlHandle == IntPtr.Zero)
{
return;
}
IAutoComplete2 iac = null;
try
{
iac = (IAutoComplete2)GetAutoComplete();
int ret = iac.Init(controlHandle, items, "", "");
ret = iac.SetOptions(options);
ret = iac.Enable(true);
}
finally
{
if (iac != null)
{
Marshal.ReleaseComObject(iac);
}
}
}
/// <summary>
/// Enables the specified control handle.
/// </summary>
/// <param name="controlHandle">The control handle.</param>
/// <param name="items">The items.</param>
/// <param name="options">The options.</param>
private static void Enable(IntPtr controlHandle, SourceCustomList items, AUTOCOMPLETEOPTIONS options)
{
if (controlHandle == IntPtr.Zero)
{
return;
}
IAutoComplete2?iac = null;
try
{
iac = GetAutoComplete() as IAutoComplete2;
iac?.Init(controlHandle, items, string.Empty, string.Empty);
iac?.SetOptions(options);
iac?.Enable(true);
}
finally
{
if (iac != null)
{
Marshal.ReleaseComObject(iac);
}
}
}