/// <summary>
/// Creates a solid brush, and sets it as a background brush.
/// </summary>
private void SetBackgroundBrush()
{
if (_nativeBackgroundBrush != null)
{
_nativeBackgroundBrush.Dispose();
}
// using some native tricks so we can set our background
// brush to match our back color, so everything draws nicely on resize.
_nativeBackgroundBrush = this.CreateNativeSolidBrush(BackColor);
this.SetBackgroundBrush(_nativeBackgroundBrush);
}
static LRESULT WindowProcedure(WindowHandle window, WindowMessage message, WPARAM wParam, LPARAM lParam)
{
switch (message)
{
case WindowMessage.Create:
hBrushRed = Windows.CreateSolidBrush(255, 0, 0);
window.SetTimer(ID_TIMER, 1000);
return(0);
case WindowMessage.SettingChange:
f24Hour = Windows.LocaleInfo.GetIs24HourClock();
fSuppress = Windows.LocaleInfo.GetHoursHaveLeadingZeros();
window.Invalidate(true);
return(0);
case WindowMessage.Size:
cxClient = lParam.LowWord;
cyClient = lParam.HighWord;
return(0);
case WindowMessage.Timer:
window.Invalidate(true);
return(0);
case WindowMessage.Paint:
using (DeviceContext dc = window.BeginPaint())
{
dc.SetMapMode(MapMode.Isotropic);
dc.SetWindowExtents(276, 72);
dc.SetViewportExtents(cxClient, cyClient);
dc.SetWindowOrigin(138, 36);
dc.SetViewportOrigin(cxClient / 2, cyClient / 2);
dc.SelectObject(StockPen.Null);
dc.SelectObject(hBrushRed);
DisplayTime(dc, f24Hour, fSuppress);
}
return(0);
case WindowMessage.Destroy:
window.KillTimer(ID_TIMER);
hBrushRed.Dispose();
Windows.PostQuitMessage(0);
return(0);
}
return(Windows.DefaultWindowProcedure(window, message, wParam, lParam));
}
protected override LResult WindowProcedure(WindowHandle window, MessageType message, WParam wParam, LParam lParam)
{
switch (message)
{
case MessageType.Create:
hBrushRed = Gdi.CreateSolidBrush(Color.Red);
window.SetTimer(ID_TIMER, 1000);
return(0);
case MessageType.SettingChange:
f24Hour = Windows.LocaleInfo.GetIs24HourClock();
fSuppress = Windows.LocaleInfo.GetHoursHaveLeadingZeros();
window.Invalidate(true);
return(0);
case MessageType.Size:
cxClient = lParam.LowWord;
cyClient = lParam.HighWord;
return(0);
case MessageType.Timer:
window.Invalidate(true);
return(0);
case MessageType.Paint:
using (DeviceContext dc = window.BeginPaint())
{
dc.SetMappingMode(MappingMode.Isotropic);
dc.SetWindowExtents(new Size(276, 72));
dc.SetViewportExtents(new Size(cxClient, cyClient));
dc.SetWindowOrigin(new Point(138, 36));
dc.SetViewportOrigin(new Point(cxClient / 2, cyClient / 2));
dc.SelectObject(StockPen.Null);
dc.SelectObject(hBrushRed);
DisplayTime(dc, f24Hour, fSuppress);
}
return(0);
case MessageType.Destroy:
window.KillTimer(ID_TIMER);
hBrushRed.Dispose();
break;
}
return(base.WindowProcedure(window, message, wParam, lParam));
}
