/// <summary>
/// Handles the <see cref="Rectangle.MouseDown"/> event of the color surface.
/// </summary>
/// <param name="sender">The object where the event handler is attached.</param>
/// <param name="e">The event data.</param>
private void OnColorPickerRenderSurfaceMouseDown(object sender, [NotNull] MouseButtonEventArgs e)
{
if (e.LeftButton == MouseButtonState.Pressed)
{
colorPickerRenderSurface.CaptureMouse();
suspendBindingUpdates = true;
UpdateColorPickerFromMouse(e.GetPosition(colorPickerRenderSurface));
}
}
/// <summary>
/// 鼠标按下
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void ContentControl_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
Rectangle rectangle = sender as Rectangle;
if (rectangle == null)
{
return;
}
rectangle.CaptureMouse();
m_IsMouseLeftButtonDown = true;
m_PreviousMousePoint = e.GetPosition(rectangle);
}