/// <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.
/// </summary>
public static void SetDropDescription(IComDataObject data, DropImageType dragDropEffects, string format, string insert)
{
if (format != null && format.Length > 259)
{
throw new ArgumentException("Format string exceeds the maximum allowed length of 259.", "format");
}
if (insert != null && insert.Length > 259)
{
throw new ArgumentException("Insert string exceeds the maximum allowed length of 259.", "insert");
}
// Fill the structure
DropDescription dd;
dd.type = dragDropEffects;
dd.szMessage = format;
dd.szInsert = insert;
data.SetData("DropDescription", dd);
}
/// <summary>
/// Sets a drop description.
/// </summary>
public static void SetDropDescription(IComDataObject data, DropImageType dragDropEffects, string format, string insert)
{
if (format != null && format.Length > 259)
throw new ArgumentException("Format string exceeds the maximum allowed length of 259.", "format");
if (insert != null && insert.Length > 259)
throw new ArgumentException("Insert string exceeds the maximum allowed length of 259.", "insert");
// Fill the structure
DropDescription dd;
dd.type = dragDropEffects;
dd.szMessage = format;
dd.szInsert = insert;
data.SetData("DropDescription", dd);
}
