/// <summary>
/// Calculates total width of control buttons (minimize, maximize, close).
/// </summary>
/// <param name="handle">Window handle.</param>
/// <returns>Total width in pixels.</returns>
private static int GetControlAreaWidth(IntPtr handle)
{
WindowStyle style = new WindowStyle(handle);
int buttonCount = style.MaximizeBox || style.MinimizeBox ? 3 : 1;
int controlButtonAverageWidth = ApiSystemMetrics.Get(SystemMetric.SM_CXSIZE);
return(controlButtonAverageWidth * buttonCount);
}
/// <summary>
/// Get total computed width of control box area (minimize, maximize and close buttons).
/// </summary>
/// <returns>Total width in pixels.</returns>
public int GetControlBoxWidth()
{
int controlBoxWidth = ApiSystemMetrics.GetControlBoxWidth(this.Handle);
if (controlBoxWidth > 0)
{
return(controlBoxWidth);
}
// legacy OS
int buttonCount = this.MaximizeBox || this.MinimizeBox ? 3 : 1;
int controlButtonAverageWidth = ApiSystemMetrics.GetControlButtonWidth();
return(controlButtonAverageWidth * buttonCount);
}
