/// <summary>
/// 取得背景圖樣
/// </summary>
private void TipCapture()
{
IntPtr handle = Handle;
if (handle == IntPtr.Zero)
{
return;
}
RECT rect = new RECT();
NativeMethods.GetWindowRect(handle, ref rect);
Size size = new Size(rect.Right - rect.Left, rect.Bottom - rect.Top);
this._BackDc = new ToolTipImageDc(size.Width, size.Height);
IntPtr pD = NativeMethods.GetDesktopWindow();
IntPtr pH = NativeMethods.GetDC(pD);
NativeMethods.BitBlt(this._BackDc.Hdc, 0, 0, size.Width, size.Height, pH, rect.Left, rect.Top, 0xCC0020);
NativeMethods.ReleaseDC(pD, pH);
}
/// <summary>
///
/// </summary>
/// <param name="Disposing"></param>
protected override void Dispose(bool Disposing)
{
base.Dispose(Disposing);
if (Disposing)
{
if (this._BackDc != null)
{
this._BackDc.Dispose();
this._BackDc = null;
}
if (!this._TitleFont.IsSystemFont)
{
this._TitleFont.Dispose();
}
this._TitleFont = null;
this._Image = null;
this._ColorTable = null;
}
}