private void SetVisibility(Control c, bool visible)
{
if (c.InvokeRequired)
{
SetVisibilityCallback cb = new SetVisibilityCallback(SetVisibility);
this.Invoke(cb, new object[] { c, visible });
}
else
{
c.Visible = visible;
}
}
private void SetVisibility(Control c, bool visible)
{
if (c.InvokeRequired)
{
SetVisibilityCallback cb = new SetVisibilityCallback(SetVisibility);
this.Invoke(cb, new object[] { c, visible });
}
else
{
c.Visible = visible;
}
}
public void SetVisibility(bool check)
{
//Thread Safe
if (this.InvokeRequired)
{
SetVisibilityCallback d = new SetVisibilityCallback(SetVisibility);
this.Invoke(d, new object[] { check });
}
else
{
butConnect.Enabled = check;
butDisconnect.Enabled = !check;
txtNick.Enabled = check;
txtIp.Enabled = check;
txtPort.Enabled = check;
if (check)
{
c = null;
}
}
}
//used for setting visibility also out of principal threading
private void setVisibility(string controlName, bool value)
{
Control control = this.Controls.Find(controlName, true).FirstOrDefault();
try
{
if (control.InvokeRequired)
{
SetVisibilityCallback d = new SetVisibilityCallback(setVisibility);
this.Invoke(d, new object[] { controlName, value });
}
else
{
control.Visible = value;
}
}
catch
{
//probably you've close the form before this thread finish.
}
}
/// <summary>
/// Sets the visibility for asynchronous calls in a thread safe manner.
/// </summary>
/// <param name="control">The control.</param>
/// <param name="visible">The visibility is set to <paramref name="visible"/>.</param>
protected void SetVisibilitySafe(Control control, bool visible)
{
// InvokeRequired required compares the thread ID of the
// calling thread to the thread ID of the creating thread.
// If these threads are different, it returns true.
if (control.InvokeRequired)
{
SetVisibilityCallback d =
new SetVisibilityCallback(SetVisibilitySafe);
Invoke(d, new object[] {control, visible});
}
else
{
control.Visible = visible;
}
}
