/// <summary>
/// New EventHandler for The LocationChanging so that ToolStripPanelCell Listens to the Location Property on the ToolStrips's being changed.
/// The ToolStrip needs to Raft (Join) to the approriate Location Depending on the new Location w.r.t to the oldLocation ...
/// Hence the need for this event listener.
/// </summary>
private void OnToolStripLocationChanging(object sender, ToolStripLocationCancelEventArgs e)
{
if (ToolStripPanelRow == null)
{
return;
}
if (!currentlySizing && !currentlyDragging)
{
try {
currentlyDragging = true;
Point newloc = e.NewLocation;
// detect if we havent yet performed a layout - force one so we can
// properly join to the row.
if (ToolStripPanelRow != null && ToolStripPanelRow.Bounds == Rectangle.Empty)
{
ToolStripPanelRow.ToolStripPanel.PerformUpdate(true);
}
if (_wrappedToolStrip != null)
{
ToolStripPanelRow.ToolStripPanel.Join(_wrappedToolStrip, newloc);
}
}
finally {
currentlyDragging = false;
e.Cancel = true;
}
}
}
private void OnToolStripLocationChanging(object sender, ToolStripLocationCancelEventArgs e)
{
if ((this.ToolStripPanelRow != null) && (!this.currentlySizing && !this.currentlyDragging))
{
try
{
this.currentlyDragging = true;
Point newLocation = e.NewLocation;
if ((this.ToolStripPanelRow != null) && (this.ToolStripPanelRow.Bounds == Rectangle.Empty))
{
this.ToolStripPanelRow.ToolStripPanel.PerformUpdate(true);
}
if (this._wrappedToolStrip != null)
{
this.ToolStripPanelRow.ToolStripPanel.Join(this._wrappedToolStrip, newLocation);
}
}
finally
{
this.currentlyDragging = false;
e.Cancel = true;
}
}
}
protected override void SetBoundsCore(int x, int y, int width, int height, BoundsSpecified specified)
{
Point location = base.Location;
if ((!this.IsCurrentlyDragging && !this.IsLocationChanging) && this.IsInToolStripPanel)
{
ToolStripLocationCancelEventArgs e = new ToolStripLocationCancelEventArgs(new Point(x, y), false);
try
{
if ((location.X != x) || (location.Y != y))
{
this.SetToolStripState(0x400, true);
this.OnLocationChanging(e);
}
if (!e.Cancel)
{
base.SetBoundsCore(x, y, width, height, specified);
}
}
finally
{
this.SetToolStripState(0x400, false);
}
}
else
{
if (this.IsCurrentlyDragging)
{
Region transparentRegion = this.Renderer.GetTransparentRegion(this);
if ((transparentRegion != null) && ((location.X != x) || (location.Y != y)))
{
try
{
base.Invalidate(transparentRegion);
base.Update();
}
finally
{
transparentRegion.Dispose();
}
}
}
this.SetToolStripState(0x400, false);
base.SetBoundsCore(x, y, width, height, specified);
}
}
internal virtual void OnLocationChanging(ToolStripLocationCancelEventArgs e)
{
ToolStripLocationCancelEventHandler handler = (ToolStripLocationCancelEventHandler) base.Events[EventLocationChanging];
if (handler != null)
{
handler(this, e);
}
}
private void OnToolStripLocationChanging(object sender, ToolStripLocationCancelEventArgs e)
{
if ((this.ToolStripPanelRow != null) && (!this.currentlySizing && !this.currentlyDragging))
{
try
{
this.currentlyDragging = true;
Point newLocation = e.NewLocation;
if ((this.ToolStripPanelRow != null) && (this.ToolStripPanelRow.Bounds == Rectangle.Empty))
{
this.ToolStripPanelRow.ToolStripPanel.PerformUpdate(true);
}
if (this._wrappedToolStrip != null)
{
this.ToolStripPanelRow.ToolStripPanel.Join(this._wrappedToolStrip, newLocation);
}
}
finally
{
this.currentlyDragging = false;
e.Cancel = true;
}
}
}
