private void leftButton_Click(object sender, EventArgs e)
{
CheckCaptionChanged();
if (iSlideShow.PrevSlide())
{
iCurrentPosition--;
// Right hand picture disappears
if (iPictureStrip[4].Image != null)
{
iPictureStrip[4].Image.Dispose();
}
// Other pictures shunt along
for (int i = 4; i > 0; i--)
{
iPictureStrip[i].Image = iPictureStrip[i - 1].Image;
}
// Replace first picture
iPictureStrip[0].Image = null;
string slidePath = iSlideShow.GetPath(-2);
if (slidePath != null)
{
string picStrip = Path.Combine(iWorkingFolder, slidePath);
if (File.Exists(picStrip))
{
iPictureStrip[0].Image = System.Drawing.Bitmap.FromFile(picStrip);
}
}
// Replace main picture
LoadMain();
}
iCaptionChanged = false;
toolStripProgressBar.Value = iCurrentPosition;
}
private void SlideViewerForm_KeyDown(object sender, KeyEventArgs e)
{
switch (e.KeyCode)
{
// Scroll
case Keys.Add:
case Keys.Oemplus:
if (iSlideParameters.Speed > MinSlideSpeedMs)
{
iSlideParameters.Speed -= DeltaSlideSpeedMs;
transitionTimer.Interval = iSlideParameters.Speed;
transitionTimer.Stop();
transitionTimer.Start(); // Restart transition timing
}
ShowSpeedControl();
break;
case Keys.Subtract:
case Keys.OemMinus:
if (iSlideParameters.Speed < MaxSlideSpeedMs)
{
iSlideParameters.Speed += DeltaSlideSpeedMs;
transitionTimer.Interval = iSlideParameters.Speed;
transitionTimer.Stop();
transitionTimer.Start(); // Restart transition timing
}
ShowSpeedControl();
break;
case Keys.Right:
timer1_Tick(null, null); // Transition to next slide now
break;
case Keys.Left:
// Try to transition to previous slide
if (iSlideShow.PrevSlide() && iSlideShow.PrevSlide())
{
timer1_Tick(null, null);
}
break;
case Keys.C:
iSlideParameters.ToggleCaptions();
ShowCaptionControl();
break;
case Keys.Escape:
iEndOfShow = true;
timer1_Tick(null, null);
break;
default:
// Ignore key stroke: uncomment the following to display the key pressed
//System.Text.StringBuilder messageBoxCS = new System.Text.StringBuilder();
//messageBoxCS.AppendFormat("{0} = {1}", "Alt", e.Alt);
//messageBoxCS.AppendLine();
//messageBoxCS.AppendFormat("{0} = {1}", "Control", e.Control);
//messageBoxCS.AppendLine();
//messageBoxCS.AppendFormat("{0} = {1}", "Handled", e.Handled);
//messageBoxCS.AppendLine();
//messageBoxCS.AppendFormat("{0} = {1}", "KeyCode", e.KeyCode);
//messageBoxCS.AppendLine();
//messageBoxCS.AppendFormat("{0} = {1}", "KeyValue", e.KeyValue);
//messageBoxCS.AppendLine();
//messageBoxCS.AppendFormat("{0} = {1}", "KeyData", e.KeyData);
//messageBoxCS.AppendLine();
//messageBoxCS.AppendFormat("{0} = {1}", "Modifiers", e.Modifiers);
//messageBoxCS.AppendLine();
//messageBoxCS.AppendFormat("{0} = {1}", "Shift", e.Shift);
//messageBoxCS.AppendLine();
//messageBoxCS.AppendFormat("{0} = {1}", "SuppressKeyPress", e.SuppressKeyPress);
//messageBoxCS.AppendLine();
//MessageBox.Show(messageBoxCS.ToString(), "KeyDown Event");
break;
}
}