private StandardCursorType GetCursorForDropEffect(DragDropEffects effects)
{
if (effects.HasFlagCustom(DragDropEffects.Copy))
{
return(StandardCursorType.DragCopy);
}
if (effects.HasFlagCustom(DragDropEffects.Move))
{
return(StandardCursorType.DragMove);
}
if (effects.HasFlagCustom(DragDropEffects.Link))
{
return(StandardCursorType.DragLink);
}
return(StandardCursorType.No);
}
private DragDropEffects GetPreferredEffect(DragDropEffects effect, RawInputModifiers modifiers)
{
if (effect == DragDropEffects.Copy || effect == DragDropEffects.Move || effect == DragDropEffects.Link || effect == DragDropEffects.None)
{
return(effect); // No need to check for the modifiers.
}
if (effect.HasFlagCustom(DragDropEffects.Link) && modifiers.HasFlagCustom(RawInputModifiers.Alt))
{
return(DragDropEffects.Link);
}
if (effect.HasFlagCustom(DragDropEffects.Copy) && modifiers.HasFlagCustom(RawInputModifiers.Control))
{
return(DragDropEffects.Copy);
}
return(DragDropEffects.Move);
}
public static DropEffect ConvertDropEffect(DragDropEffects operation)
{
DropEffect result = DropEffect.None;
if (operation.HasFlagCustom(DragDropEffects.Copy))
{
result |= DropEffect.Copy;
}
if (operation.HasFlagCustom(DragDropEffects.Move))
{
result |= DropEffect.Move;
}
if (operation.HasFlagCustom(DragDropEffects.Link))
{
result |= DropEffect.Link;
}
return(result);
}