public void ComboBoxAccessibleObject_Ctor_Default(ComboBox owner)
{
var accessibleObject = new ComboBox.ComboBoxAccessibleObject(owner);
Assert.NotNull(accessibleObject.Owner);
Assert.Equal(AccessibleRole.ComboBox, accessibleObject.Role);
}
public void ComboBoxItemAccessibleObject_Get_Not_ThrowsException()
{
using (new NoAssertContext())
{
using ComboBox control = new ComboBox();
HashNotImplementedObject item1 = new();
HashNotImplementedObject item2 = new();
HashNotImplementedObject item3 = new();
control.Items.AddRange(new[] { item1, item2, item3 });
ComboBox.ComboBoxAccessibleObject comboBoxAccessibleObject = (ComboBox.ComboBoxAccessibleObject)control.AccessibilityObject;
bool exceptionThrown = false;
try
{
ComboBox.ComboBoxItemAccessibleObject item1AccessibleObject = comboBoxAccessibleObject.ItemAccessibleObjects.GetComboBoxItemAccessibleObject(control.Items.InnerList[0]);
ComboBox.ComboBoxItemAccessibleObject item2AccessibleObject = comboBoxAccessibleObject.ItemAccessibleObjects.GetComboBoxItemAccessibleObject(control.Items.InnerList[1]);
ComboBox.ComboBoxItemAccessibleObject item3AccessibleObject = comboBoxAccessibleObject.ItemAccessibleObjects.GetComboBoxItemAccessibleObject(control.Items.InnerList[2]);
}
catch
{
exceptionThrown = true;
}
Assert.False(exceptionThrown, "Getting accessible object for ComboBox item has thrown an exception.");
}
}
public void ComboBoxAccessibleObject_Ctor_Default()
{
using var control = new ComboBox();
var accessibleObject = new ComboBox.ComboBoxAccessibleObject(control);
Assert.NotNull(accessibleObject.Owner);
Assert.Equal(AccessibleRole.ComboBox, accessibleObject.Role);
}
public void ComboBoxAccessibleObject_GetPropertyValue_Pattern_ReturnsExpected(bool expected, int propertyId)
{
using ComboBox comboBox = new();
comboBox.CreateControl(false);
ComboBox.ComboBoxAccessibleObject accessibleObject = (ComboBox.ComboBoxAccessibleObject)comboBox.AccessibilityObject;
Assert.Equal(expected, accessibleObject.GetPropertyValue((UiaCore.UIA)propertyId) ?? false);
Assert.True(comboBox.IsHandleCreated);
}
public void ComboBoxAccessibleObject_Ctor_Default(bool createControl, AccessibleRole expectedAccessibleRole)
{
using ComboBox control = new ComboBox();
if (createControl)
{
control.CreateControl();
}
Assert.Equal(createControl, control.IsHandleCreated);
ComboBox.ComboBoxAccessibleObject accessibleObject = new ComboBox.ComboBoxAccessibleObject(control);
Assert.Equal(createControl, control.IsHandleCreated);
Assert.NotNull(accessibleObject.Owner);
Assert.Equal(expectedAccessibleRole, accessibleObject.Role);
}
public void ComboBoxItemAccessibleObject_DataBoundAccessibleName()
{
// Regression test for https://github.com/dotnet/winforms/issues/3549
using var control = new ComboBox()
{
DataSource = TestDataSources.GetPersons(),
DisplayMember = TestDataSources.PersonDisplayMember
};
ComboBox.ComboBoxAccessibleObject accessibleObject = Assert.IsType <ComboBox.ComboBoxAccessibleObject>(control.AccessibilityObject);
foreach (Person person in TestDataSources.GetPersons())
{
var item = accessibleObject.ItemAccessibleObjects[person];
AccessibleObject itemAccessibleObject = Assert.IsType <ComboBox.ComboBoxItemAccessibleObject>(item);
Assert.Equal(person.Name, itemAccessibleObject.Name);
}
}
public unsafe void SystemAccessibleObject_Enumeration()
{
using ComboBox control = new ComboBox
{
DropDownStyle = ComboBoxStyle.DropDown
};
control.CreateControl();
ComboBox.ComboBoxAccessibleObject accessibleObject = new ComboBox.ComboBoxAccessibleObject(control);
var enumVariant = (IEnumVariant)accessibleObject;
Assert.Equal(HRESULT.S_OK, enumVariant.Reset());
VARIANT variantObject;
uint retreivedCount;
var result = enumVariant.Next(1, (IntPtr)(void *)&variantObject, &retreivedCount);
Assert.Equal(HRESULT.S_OK, result);
var retreivedItem = variantObject.ToObject();
Assert.Equal(1, Assert.IsType <int>(retreivedItem));
}