/// <summary>
/// </summary>
/// <remarks>
/// Initially double-buffering was enabled..
/// However, in the case of double-buffering, it is necessary to update the whole screen every time.
/// This is very slow.
/// Therefore, double-buffering is invalidated and I draw only difference.
/// </remarks>
public VncControl()
{
InitializeComponent();
m_handle = this.Handle;
m_last = new PointerEventParameter();
m_lastPointerSendDt = new DateTime();
m_encodeList = new List <List <VncEncodeAbstract> >();
m_prevSize = new Size();
m_needsRedraw = false;
m_prevConnected = false;
// Set keyboard event
this.PreviewKeyDown += (s, e) =>
{
switch (e.KeyData)
{
case Keys.Tab:
case Keys.Up:
case Keys.Down:
case Keys.Left:
case Keys.Right:
// Do not move the focus even if you press the key.
e.IsInputKey = true;
break;
}
};
this.KeyPress += (s, e) =>
{
if (m_client != null && m_client.Connected)
{
// for text
m_client.WriteKeyEvent(VncEnum.KeyEventDownFlag.KeyDown, (uint)e.KeyChar);
m_client.WriteKeyEvent(VncEnum.KeyEventDownFlag.KeyUp, (uint)e.KeyChar);
e.Handled = true;
}
};
this.KeyDown += (s, e) =>
{
if (m_client != null && m_client.Connected)
{
uint key = VncWindowsKeyMap.GetVncKey((uint)e.KeyCode);
if (key != 0)
{
// for special key
m_client.WriteKeyEvent(VncEnum.KeyEventDownFlag.KeyDown, key);
e.Handled = true;
}
}
};
this.KeyUp += (s, e) =>
{
if (m_client != null && m_client.Connected)
{
uint key = VncWindowsKeyMap.GetVncKey((uint)e.KeyCode);
if (key != 0)
{
// for special key
m_client.WriteKeyEvent(VncEnum.KeyEventDownFlag.KeyUp, key);
e.Handled = true;
}
}
};
// If this is not set, changing the size will not erase existing pictures.
this.ResizeRedraw = true;
// Set mouse event
this.MouseWheel += mouseEvent;
this.MouseDown += mouseEvent;
this.MouseUp += mouseEvent;
this.MouseMove += mouseEvent;
}