| private ReleaseDC ( IntPtr hwnd, IntPtr DC ) : bool | ||
| hwnd | IntPtr | |
| DC | IntPtr | |
| return | bool | |
private void Dispose(bool manual)
{
if (this.disposed)
{
return;
}
if (this.dc != IntPtr.Zero)
{
Functions.ReleaseDC(this.handle, this.dc);
}
if (manual && this.parent != null)
{
this.parent.Dispose();
}
this.disposed = true;
}
static int Unscale(int v, ScaleDirection direction)
{
IntPtr dc = Functions.GetDC(IntPtr.Zero);
if (dc != IntPtr.Zero)
{
int dpi = Functions.GetDeviceCaps(dc,
direction == ScaleDirection.X ? DeviceCaps.LogPixelsX : DeviceCaps.LogPixelsY);
if (dpi > 0)
{
float scale = dpi / 96.0f;
v = (int)Math.Round(v / scale);
}
Functions.ReleaseDC(IntPtr.Zero, dc);
}
return(v);
}
void Dispose(bool manual)
{
if (!disposed)
{
if (this.dc != IntPtr.Zero)
{
if (!Functions.ReleaseDC(this.handle, this.dc))
{
Debug.Print("[Warning] Failed to release device context {0}. Windows error: {1}.", this.dc, Marshal.GetLastWin32Error());
}
}
if (manual)
{
if (parent != null)
{
parent.Dispose();
}
}
disposed = true;
}
}
