public void OnDropStateChange(eDropState state)
{
if (DropStateChange != null)
{
DropStateChange(state);
}
}
protected void OnDropStateChange(eDropState state)
{
if (DropStateChange != null)
{
DropStateChange(state);
}
}
protected override void OnMouseEnter(EventArgs e)
{
base.OnMouseEnter(e);
if (_dropState == eDropState.Closing)
{
_dropState = eDropState.Dropping;
}
}
public void CloseDropDown()
{
if (dropContainer != null)
{
_dropState = eDropState.Closing;
dropContainer.DropDownForm.Freeze = false;
dropContainer.DropDownForm.Close();
}
}
public void InitializeDropDown(Control dropDownItem)
{
if (_dropDownItem != null)
throw new Exception("The drop down item has already been implemented!");
_DesignView = false;
_dropState = eDropState.Closed;
this.Size = _AnchorSize;
this._AnchorClientBounds = new Rectangle(2, 2, _AnchorSize.Width - 21, _AnchorSize.Height - 4);
//removes the dropDown item from the controls list so it
//won't be seen until the drop-down window is active
if (this.Controls.Contains(dropDownItem))
this.Controls.Remove(dropDownItem);
_dropDownItem = dropDownItem;
}
void dropContainer_Closed(object sender, FormClosedEventArgs e)
{
if (!dropContainer.DropDownForm.IsDisposed)
{
dropContainer.DropDownForm.DropStateChange -= dropContainer_DropStateChange;
dropContainer.DropDownForm.FormClosed -= dropContainer_Closed;
this.ParentForm.Move -= ParentForm_Move;
dropContainer.DropDownForm.Dispose();
}
dropContainer = null;
closedWhileInControl = (this.RectangleToScreen(this.ClientRectangle).Contains(Cursor.Position));
_dropState = eDropState.Closed;
this.Invalidate();
}
void DropContainer_Closed(object sender, FormClosedEventArgs e)
{
if (!_dropContainer.IsDisposed)
{
_dropContainer.DropStateChange -= DropContainer_DropStateChange;
_dropContainer.FormClosed -= DropContainer_Closed;
this.ParentForm.Move -= ParentForm_Move;
_dropContainer.Dispose();
}
_dropContainer = null;
_closedWhileInControl = (this.RectangleToScreen(this.ClientRectangle).Contains(Cursor.Position));
_dropState = eDropState.Closed;
tmrAnimate.Enabled = false;
this.Invalidate();
}
public void InitializeDropDown(Control dropDownItem)
{
if (_dropDownItem != null)
{
throw new Exception("The drop down item has already been implemented!");
}
_DesignView = false;
_dropState = eDropState.Closed;
this.Size = _AnchorSize;
this._AnchorClientBounds = new Rectangle(2, 2, _AnchorSize.Width - 21, _AnchorSize.Height - 4);
//removes the dropDown item from the controls list so it
//won't be seen until the drop-down window is active
if (this.Controls.Contains(dropDownItem))
{
this.Controls.Remove(dropDownItem);
}
_dropDownItem = dropDownItem;
}
public void InitializeDropDown(Control dropDownItem)
{
if (_dropDownItem != null)
{
throw new Exception("The drop down item has already been implemented!");
}
_designView = false;
_dropState = eDropState.Closed;
this.Size = _anchorSize;
// Removes the dropDown item from the controls list so it
// Won't be seen until the drop-down window is active
if (this.Controls.Contains(dropDownItem))
{
this.Controls.Remove(dropDownItem);
}
_dropDownItem = dropDownItem;
}
public void CloseDropDown()
{
if (_dropContainer != null)
{
_dropState = eDropState.Closing;
if (_useAnimation)
{
_dropContainer.Freeze = true;
tmrAnimate.Enabled = true;
}
else
{
_dropContainer.Freeze = false;
_dropContainer.Close();
_dropState = eDropState.Closed;
}
}
}
private void Animate_Tick(object sender, EventArgs e)
{
int Height = 0;
switch (_dropState)
{
case eDropState.Closing:
Height = _dropContainer.Height - _dropDownSize.Height / 10;
if (Height < 0)
{
_dropContainer.Freeze = false;
_dropContainer.Close();
_dropState = eDropState.Closed;
tmrAnimate.Enabled = false;
}
else
{
_dropContainer.Height = Height;
}
break;
case eDropState.Dropping:
Height = _dropContainer.Height + _dropDownSize.Height / 10;
if (Height >= _dropDownSize.Height)
{
_dropContainer.Height = _dropDownSize.Height;
_dropState = eDropState.Dropped;
tmrAnimate.Enabled = false;
}
else
{
_dropContainer.Height = Height;
}
break;
case eDropState.Closed:
case eDropState.Dropped:
default:
tmrAnimate.Enabled = false;
return;
}
}
protected void OpenDropDown()
{
if (_dropDownItem == null)
{
throw new NotImplementedException("The drop down item has not been initialized! Use the InitializeDropDown() method to do so.");
}
if (!CanDrop)
{
return;
}
dropContainer = new DropDownContainer(_dropDownItem);
dropContainer.DropDownForm.Bounds = GetDropDownBounds();
dropContainer.DropDownForm.DropStateChange += new DropDownForm.DropWindowArgs(dropContainer_DropStateChange);
dropContainer.DropDownForm.FormClosed += new FormClosedEventHandler(dropContainer_Closed);
this.ParentForm.Move += new EventHandler(ParentForm_Move);
_dropState = eDropState.Dropping;
dropContainer.Show();
_dropState = eDropState.Dropped;
this.Invalidate();
}
protected virtual void OpenDropDown()
{
if (_dropDownItem == null)
{
return;
}
//throw new NotImplementedException("The drop down item has not been initialized! Use the InitializeDropDown() method to do so.");
if (!CanDrop)
{
return;
}
_dropContainer = new DropDownContainer(_dropDownItem, _dropDownSize)
{
Bounds = GetDropDownBounds()
};
_dropContainer.DropStateChange += new DropDownContainer.DropWindowArgs(DropContainer_DropStateChange);
_dropContainer.FormClosed += new FormClosedEventHandler(DropContainer_Closed);
this.ParentForm.Move += new EventHandler(ParentForm_Move);
_dropState = eDropState.Dropping;
if (_useAnimation)
{
tmrAnimate.Enabled = true;
_dropContainer.Height = 0;
_dropContainer.Show(this);
}
else
{
_dropContainer.Show(this);
_dropState = eDropState.Dropped;
}
this.Invalidate();
}
protected void OpenDropDown()
{
if (_dropDownItem == null)
throw new NotImplementedException("The drop down item has not been initialized! Use the InitializeDropDown() method to do so.");
if (!CanDrop) return;
dropContainer = new DropDownContainer(_dropDownItem);
dropContainer.Bounds = GetDropDownBounds();
dropContainer.DropStateChange += new DropDownContainer.DropWindowArgs(dropContainer_DropStateChange);
dropContainer.FormClosed += new FormClosedEventHandler(dropContainer_Closed);
this.ParentForm.Move += new EventHandler(ParentForm_Move);
_dropState = eDropState.Dropping;
dropContainer.Show(this);
_dropState = eDropState.Dropped;
this.Invalidate();
}
void dropContainer_Closed(object sender, FormClosedEventArgs e)
{
if (!dropContainer.IsDisposed)
{
dropContainer.DropStateChange -= dropContainer_DropStateChange;
dropContainer.FormClosed -= dropContainer_Closed;
this.ParentForm.Move -= ParentForm_Move;
dropContainer.Dispose();
}
dropContainer = null;
closedWhileInControl = (this.RectangleToScreen(this.ClientRectangle).Contains(Cursor.Position));
_dropState = eDropState.Closed;
this.Invalidate();
}
void dropContainer_DropStateChange(DropDownControl.eDropState state)
{
_dropState = state;
}
void dropContainer_DropStateChange(DropDownControl.eDropState state)
{
_dropState = state;
}
protected void OnDropStateChange(eDropState state)
{
if (DropStateChange != null)
DropStateChange(state);
}
private void dropContainer_DropStateChange(eDropState state)
{
_dropState = state;
}
private void OnDropStateChange(eDropState state)
{
DropStateChange?.Invoke(state);
}
public void CloseDropDown()
{
if (dropContainer != null)
{
_dropState = eDropState.Closing;
dropContainer.Freeze = false;
dropContainer.Close();
}
}
