public static void UpdatePictureBox(Bitmap bmap)
{
if (pixelBoxEffectref.InvokeRequired)
{
UpdatePictureBoxCallback d = new UpdatePictureBoxCallback(UpdatePictureBox);
Parent.Invoke(d, new object[] { bmap });
}
else
{
pixelBoxEffectref.Image = bmap;
}
}
public static int[] UpdatePictureBox(System.Windows.Forms.PictureBox PictureBoxControl, Image Image2Show,
bool NormalizeImage = false)
{
int[] retval = new int[2]; retval[0] = 0; retval[1] = 0;
int[] nullretval = new int[2]; retval[0] = 0; retval[1] = 0;
if (PictureBoxControl.InvokeRequired)
{
UpdatePictureBoxCallback d = UpdatePictureBox;
PictureBoxControl.Invoke(d, new object[] { PictureBoxControl, Image2Show, NormalizeImage });
}
else
{
if (Image2Show == null)
{
PictureBoxControl.Image = null;
return(nullretval);
}
if (NormalizeImage)
{
int th_width = PictureBoxControl.Width;
int th_height = (int)(Math.Round(((double)th_width / (double)Image2Show.Width) * (double)Image2Show.Height, 0));
if (th_height > PictureBoxControl.Height)
{
th_height = PictureBoxControl.Height;
th_width = (int)Math.Round((double)th_height * (double)Image2Show.Width / (double)Image2Show.Height);
}
PictureBoxControl.Image = Image2Show.GetThumbnailImage(th_width, th_height, null, IntPtr.Zero);
retval[0] = th_width;
retval[1] = th_height;
}
else
{
PictureBoxControl.Image = Image2Show;
retval[0] = Image2Show.Width;
retval[1] = Image2Show.Height;
}
}
return(retval);
}
// Method to update a device status picture box, ensure cross-thread support, as Spokes events come in on a different thread
private void UpdateDevicePictureBox(PictureBox statePictureBox, Bitmap bitmap)
{
if (statePictureBox.InvokeRequired)
{
UpdatePictureBoxCallback d = new UpdatePictureBoxCallback(UpdateDevicePictureBox);
this.Invoke(d, new object[] { statePictureBox, bitmap });
}
else
{
statePictureBox.Image = bitmap;
}
}
/// <summary>
/// Updates thread-safely the chart
/// </summary>
/// <param name="index">Index of the picturebox to update</param>
/// <param name="bmp">Bitmap to display</param>
void UpdatePictureBox(int index, Bitmap bmp)
{
if (this.PictureBoxes[index].InvokeRequired)
{
if (PictureBoxes[index].Parent != null)
{
UpdatePictureBoxCallback d = new UpdatePictureBoxCallback(UpdatePictureBox);
if (PictureBoxes[index].Parent.Disposing == false)
{
PictureBoxes[index].Parent.Invoke(d, new object[] { index, bmp });
}
}
}
else
{
try
{
graphics[index].DrawImage(bmp, PictureBoxes[index].DisplayRectangle);
}
catch (ExternalException extExc)
{
// Ignore this error for a start...
}
}
}
