/// <summary>
/// 显示白板
/// </summary>
public void ShowWhiteBoard()
{
if (this.InvokeRequired)
{
ShowWhiteBoardDelegate d = new ShowWhiteBoardDelegate(ShowWhiteBoard);
this.BeginInvoke(d, new object[] { });
}
else
{
this.Show();
}
}
/// <summary>
/// 显示白板
/// </summary>
public void ShowWhiteBoard()
{
if (this.InvokeRequired)
{
ShowWhiteBoardDelegate d = new ShowWhiteBoardDelegate(ShowWhiteBoard);
this.BeginInvoke(d, new object[] { });
}
else
{
this.Show();
//白板显示过后再获取画图板，否则会出现不能画到任务栏上
if (graphics == null)
{
graphics = Graphics.FromHwnd(this.Handle);
}
}
}
