/// <summary>
/// Callback for making this control thread safe
/// </summary>
/// <param name="size"></param>
private void SetSizeCallback(int size)
{
switch (this.captionAlign)
{
case DirectionStyle.Down:
int tempY = this.Height - size;
//set the new location of the panel
Win32Wrapper.SetWindowPos(this.Handle, IntPtr.Zero, this.Location.X, this.Location.Y + tempY, this.Width, size, Win32Wrapper.FlagsSetWindowPos.SWP_NOZORDER | Win32Wrapper.FlagsSetWindowPos.SWP_SHOWWINDOW);
break;
case DirectionStyle.Up:
this.Height = size;
break;
case DirectionStyle.Right:
int tempX = this.Width - size;
Win32Wrapper.SetWindowPos(this.Handle, IntPtr.Zero, this.Location.X + tempX, this.Location.Y, size, this.Height, Win32Wrapper.FlagsSetWindowPos.SWP_NOZORDER | Win32Wrapper.FlagsSetWindowPos.SWP_SHOWWINDOW);
break;
case DirectionStyle.Left:
this.Width = size;
if (this.Width < this.captionCtrl.Width)
{
this.Width = this.captionCtrl.Width;
}
break;
}
}
/// <summary>
/// Method called in order to have this control accessed in a thread safe way
/// </summary>
private void AnimationFinished()
{
//check to see if Anchoring needs special treatment
if (this.captionAlign == DirectionStyle.Right || this.captionAlign == DirectionStyle.Down)
{
this.Anchor = backupAnchor;
}
if (captionAlign == DirectionStyle.Down)
{
//set caption location (no redrawing) and hiding
Win32Wrapper.SetWindowPos(this.captionCtrl.Handle, IntPtr.Zero, 0, this.Height - this.captionCtrl.Height, 0, 0, Win32Wrapper.FlagsSetWindowPos.SWP_NOREDRAW | Win32Wrapper.FlagsSetWindowPos.SWP_NOZORDER | Win32Wrapper.FlagsSetWindowPos.SWP_NOSIZE | Win32Wrapper.FlagsSetWindowPos.SWP_HIDEWINDOW);
//set back the parent
this.captionCtrl.Parent = this;
this.captionCtrl.Visible = true;
//set back the moveable property; during collapsing the movement is not allowed
moveable = backupMoveable;
}
else
{
if (captionAlign == DirectionStyle.Right)
{
//set caption location (no redrawing) and hiding
Win32Wrapper.SetWindowPos(this.captionCtrl.Handle, IntPtr.Zero, this.Width - this.captionCtrl.Width, 0, 0, 0, Win32Wrapper.FlagsSetWindowPos.SWP_NOREDRAW | Win32Wrapper.FlagsSetWindowPos.SWP_NOZORDER | Win32Wrapper.FlagsSetWindowPos.SWP_NOSIZE | Win32Wrapper.FlagsSetWindowPos.SWP_HIDEWINDOW);
//set back the parent
this.captionCtrl.Parent = this;
this.captionCtrl.Visible = true;
//set back the moveable property; during collapsing the movement is not allowed
moveable = backupMoveable;
}
}
//set the state of the object expanded/collapsed
SetState();
ShowControls();
}
/// <summary>
/// This method will take the caption control out of the controls of this panel
/// </summary>
private void ChangeCaptionParent()
{
//take the caption out of the panel beacause of the flickering
this.captionCtrl.Parent = this.Parent;
this.captionCtrl.Location = new Point(this.Location.X + this.Width - this.captionCtrl.Width, this.Location.Y + this.Height - this.captionCtrl.Height);
Win32Wrapper.SetWindowPos(this.Handle, this.captionCtrl.Handle, 0, 0, 0, 0, Win32Wrapper.FlagsSetWindowPos.SWP_NOMOVE | Win32Wrapper.FlagsSetWindowPos.SWP_NOSIZE | Win32Wrapper.FlagsSetWindowPos.SWP_NOREDRAW);
//disable moving
backupMoveable = moveable;
moveable = false;
}
protected override void WndProc(ref Message m)
{
if (!DesignMode && firstTimeVisible && m.Msg == 0x18)
{
firstTimeVisible = false;
backupHeight = Height;
backupWidth = Width;
switch (captionAlign)
{
case DirectionStyle.Down:
//set the new location of the panel
Win32Wrapper.SetWindowPos(Handle, IntPtr.Zero, Location.X, Location.Y + captionCtrl.Location.Y, Width,
captionCtrl.Height, Win32Wrapper.FlagsSetWindowPos.SWP_NOZORDER);
captionCtrl.SetDirectionStyle(DirectionStyle.Up);
break;
case DirectionStyle.Up:
Height = captionCtrl.Height;
captionCtrl.SetDirectionStyle(DirectionStyle.Down);
break;
case DirectionStyle.Right:
//int tempX = this.Width - size;
Win32Wrapper.SetWindowPos(Handle, IntPtr.Zero, Location.X + Width - captionCtrl.Location.X, Location.Y,
captionCtrl.Width, Height, Win32Wrapper.FlagsSetWindowPos.SWP_NOZORDER);
captionCtrl.SetDirectionStyle(DirectionStyle.Left);
break;
case DirectionStyle.Left:
Width = captionCtrl.Width;
captionCtrl.SetDirectionStyle(DirectionStyle.Right);
break;
}
captionCtrl.Location = new Point(0, 0);
//set the state of the object expanded/collapsed
ShowControls();
}
base.WndProc(ref m);
}
