/// <summary>
/// 标签和透明化
/// </summary>
private void TransparentLabel()
{
//标签透明代码
pbx_image.SendToBack();
PromptText.BackColor = Color.Transparent;
PromptText.Parent = pbx_image;
PromptText.BringToFront();
Unlock.BackColor = Color.Transparent;
Unlock.Parent = pbx_image;
Unlock.BringToFront();
bufferGif.BackColor = Color.Transparent;
bufferGif.Parent = pbx_image;
bufferGif.BringToFront();
}