private void setEnabled(Control control, bool state)
{
// 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)
{
SetEnableCallback d = new SetEnableCallback(setEnabled);
if (control != null && !control.IsDisposed)
{
control.Invoke(d, new object[] { control, state });
}
}
else
{
if (control != null && !control.IsDisposed)
{
control.Enabled = state;
}
if (control != null && !control.IsDisposed)
{
control.Refresh();
}
}
}
//컨트롤의 활성화 여부를 결정하기 위함
private void SetEnable(Control control, bool flag)
{
if (control.InvokeRequired)
{
SetEnableCallback d = new SetEnableCallback(SetEnable);
this.Invoke(d, new object[] { control, flag });
}
else
{
control.Enabled = flag;
}
}
/// <summary>
/// Set text property of various controls
/// </summary>
/// <param name="form">The calling form</param>
/// <param name="ctrl"></param>
/// <param name="state"></param>
public static void SetEnable(Form form, Control ctrl, bool state)
{
if (ctrl.InvokeRequired)
{
var d = new SetEnableCallback(SetEnable);
form.Invoke(d, new object[] { form, ctrl, state });
}
else
{
ctrl.Enabled = state;
}
}
public static void SetEnable(Control control, bool enable)
{
if (control.InvokeRequired)
{
SetEnableCallback callback = new SetEnableCallback(SetEnable);
control.BeginInvoke(callback, new object[] { control, enable });
}
else
{
control.Enabled = enable;
}
}
public static void SetEnable <TObject>(TObject objCtrl, bool enable, Form winf) where TObject : System.Windows.Forms.Control
{
if (objCtrl.InvokeRequired)
{
SetEnableCallback d = new SetEnableCallback(SetEnable);
if (winf.IsDisposed)
{
return;
}
winf.Invoke(d, new object[] { objCtrl, enable, winf });
}
else
{
objCtrl.Enabled = enable;
}
}
public static void SetEnable <TObject>(TObject objCtrl, bool enable, Control winf) where TObject : Control
{
if (objCtrl.InvokeRequired)
{
SetEnableCallback method = new SetEnableCallback(CallCtrlWithThreadSafety.SetEnable <Control>);
try
{
objCtrl.Invoke(method, new object[] { objCtrl, enable, winf });
}
catch
{
try
{
objCtrl.Enabled = enable;
}
catch { }
}
}
else
{
objCtrl.Enabled = enable;
}
}
public static void SetWaitCursor <TObject>(TObject objCtrl, bool enable, Control winf) where TObject : Control
{
if (objCtrl.InvokeRequired)
{
SetEnableCallback method = new SetEnableCallback(CallCtrlWithThreadSafety.SetWaitCursor <Control>);
try
{
objCtrl.Invoke(method, new object[] { objCtrl, enable, winf });
}
catch
{
try
{
objCtrl.Cursor = !enable ? Cursors.Default : Cursors.WaitCursor;
}
catch { }
}
}
else
{
objCtrl.Cursor = !enable ? Cursors.Default : Cursors.WaitCursor;
}
}
// Method to enable or disable a GUI item, ensure cross-thread support, as Spokes events come in on a different thread
// For PictureBox the optional pictureBoxImage allows you to specify a greyed out or normal image!
private void SetEnable(Control guiitem, bool enable, Bitmap pictureBoxImage = null)
{
if (guiitem.InvokeRequired)
{
SetEnableCallback d = new SetEnableCallback(SetEnable);
this.Invoke(d, new object[] { guiitem, enable, pictureBoxImage });
}
else
{
guiitem.Enabled = enable;
if (pictureBoxImage != null)
{
try
{
PictureBox pbox = (PictureBox)guiitem;
pbox.Image = pictureBoxImage;
pbox.Update();
}
catch (Exception) { }
}
}
}
