private void LoadPicture(System.Windows.Forms.UnsafeNativeMethods.IStream stream)
{
if (stream == null)
{
throw new ArgumentNullException("stream");
}
try
{
Guid gUID = typeof(System.Windows.Forms.UnsafeNativeMethods.IPicture).GUID;
System.Windows.Forms.UnsafeNativeMethods.IPicture o = null;
new SecurityPermission(SecurityPermissionFlag.UnmanagedCode).Assert();
try
{
o = System.Windows.Forms.UnsafeNativeMethods.OleCreateIPictureIndirect(null, ref gUID, true);
((System.Windows.Forms.UnsafeNativeMethods.IPersistStream)o).Load(stream);
if ((o == null) || (o.GetPictureType() != 3))
{
throw new ArgumentException(System.Windows.Forms.SR.GetString("InvalidPictureType", new object[] { "picture", "Cursor" }), "picture");
}
IntPtr handle = o.GetHandle();
System.Drawing.Size iconSize = this.GetIconSize(handle);
this.handle = System.Windows.Forms.SafeNativeMethods.CopyImageAsCursor(new HandleRef(this, handle), 2, iconSize.Width, iconSize.Height, 0);
this.ownHandle = true;
}
finally
{
CodeAccessPermission.RevertAssert();
if (o != null)
{
Marshal.ReleaseComObject(o);
}
}
}
catch (COMException exception)
{
throw new ArgumentException(System.Windows.Forms.SR.GetString("InvalidPictureFormat"), "stream", exception);
}
}
public static extern int ImageList_WriteEx(HandleRef himl, int dwFlags, System.Windows.Forms.UnsafeNativeMethods.IStream pstm);
public static extern bool ImageList_Write(HandleRef himl, System.Windows.Forms.UnsafeNativeMethods.IStream pstm);
public static extern IntPtr ImageList_Read(System.Windows.Forms.UnsafeNativeMethods.IStream pstm);
