/// <summary>
/// Unsets a drop description flag.
/// </summary>
/// <param name="dataObject">The associated DataObject.</param>
/// <param name="flag">The drop description flag to unset.</param>
private static void UnsetDropDescriptionFlag(IDataObject dataObject, DropDescriptionFlags flag)
{
if (s_dropDescriptions.ContainsKey(dataObject))
{
DropDescriptionFlags current = s_dropDescriptions[dataObject];
s_dropDescriptions[dataObject] = (current | flag) ^ flag;
}
}
/// <summary>
/// Sets a drop description flag.
/// </summary>
/// <param name="dataObject">The associated DataObject.</param>
/// <param name="flag">The drop description flag to set.</param>
/// <param name="enabled">True to set the flag, False to unset it.</param>
private static void SetDropDescriptionFlag(IComDataObject dataObject, DropDescriptionFlags flag, bool enabled)
{
var current = GetDropDescriptionFlag(dataObject);
var next = enabled ? (current | flag) : (current | flag) ^ flag;
if (current != next)
{
dataObject.SetData("DropDescriptionFlags", (int)next);
}
}
/// <summary>
/// Sets a drop description flag.
/// </summary>
/// <param name="dataObject">The associated DataObject.</param>
/// <param name="flag">The drop description flag to set.</param>
/// <param name="enabled">True to set the flag, False to unset it.</param>
private static void SetDropDescriptionFlag(IComDataObject dataObject, DropDescriptionFlags flag, bool enabled)
{
var current = GetDropDescriptionFlag(dataObject);
var next = enabled ? (current | flag) : (current | flag) ^ flag;
if (current != next)
{
dataObject.SetData("DropDescriptionFlags", (int)next);
}
}
/// <summary>
/// Sets a drop description flag.
/// </summary>
/// <param name="dataObject">The associated DataObject.</param>
/// <param name="flag">The drop description flag to set.</param>
private static void SetDropDescriptionFlag(IDataObject dataObject, DropDescriptionFlags flag)
{
if (s_dropDescriptions.ContainsKey(dataObject))
{
s_dropDescriptions[dataObject] |= flag;
}
else
{
s_dropDescriptions.Add(dataObject, flag);
}
}
/// <summary>
/// Unsets a drop description flag.
/// </summary>
/// <param name="dataObject">The associated DataObject.</param>
/// <param name="flag">The drop description flag to unset.</param>
private static void UnsetDropDescriptionFlag(IDataObject dataObject, DropDescriptionFlags flag)
{
if (s_dropDescriptions.ContainsKey(dataObject))
{
DropDescriptionFlags current = s_dropDescriptions[dataObject];
s_dropDescriptions[dataObject] = (current | flag) ^ flag;
}
}
/// <summary>
/// Sets a drop description flag.
/// </summary>
/// <param name="dataObject">The associated DataObject.</param>
/// <param name="flag">The drop description flag to set.</param>
private static void SetDropDescriptionFlag(IDataObject dataObject, DropDescriptionFlags flag)
{
if (s_dropDescriptions.ContainsKey(dataObject))
s_dropDescriptions[dataObject] |= flag;
else
s_dropDescriptions.Add(dataObject, flag);
}