/// <summary>
/// Raises the <see cref="E:System.Windows.Forms.ToolStripItem.VisibleChanged"/> event.
/// </summary>
/// <param name="e">An <see cref="T:System.EventArgs"/> that contains the event data.</param>
protected override void OnVisibleChanged(EventArgs e)
{
base.OnVisibleChanged(e);
if ((Visible && ShowingAnimation == PopupAnimations.None) || (!Visible && HidingAnimation == PopupAnimations.None))
{
return;
}
NativeMethods.AnimationFlags flags = Visible ? NativeMethods.AnimationFlags.Roll : NativeMethods.AnimationFlags.Hide;
PopupAnimations _flags = Visible ? ShowingAnimation : HidingAnimation;
if (_flags == PopupAnimations.SystemDefault)
{
if (SystemInformation.IsMenuAnimationEnabled)
{
if (SystemInformation.IsMenuFadeEnabled)
{
_flags = PopupAnimations.Blend;
}
else
{
_flags = PopupAnimations.Slide | (Visible ? PopupAnimations.TopToBottom : PopupAnimations.BottomToTop);
}
}
else
{
_flags = PopupAnimations.None;
}
}
if ((_flags & (PopupAnimations.Blend | PopupAnimations.Center | PopupAnimations.Roll | PopupAnimations.Slide)) == PopupAnimations.None)
{
return;
}
if (resizableTop) // popup is “inverted”, so the animation must be
{
if ((_flags & PopupAnimations.BottomToTop) != PopupAnimations.None)
{
_flags = (_flags & ~PopupAnimations.BottomToTop) | PopupAnimations.TopToBottom;
}
else if ((_flags & PopupAnimations.TopToBottom) != PopupAnimations.None)
{
_flags = (_flags & ~PopupAnimations.TopToBottom) | PopupAnimations.BottomToTop;
}
}
if (resizableLeft) // popup is “inverted”, so the animation must be
{
if ((_flags & PopupAnimations.RightToLeft) != PopupAnimations.None)
{
_flags = (_flags & ~PopupAnimations.RightToLeft) | PopupAnimations.LeftToRight;
}
else if ((_flags & PopupAnimations.LeftToRight) != PopupAnimations.None)
{
_flags = (_flags & ~PopupAnimations.LeftToRight) | PopupAnimations.RightToLeft;
}
}
flags = flags | (NativeMethods.AnimationFlags.Mask & (NativeMethods.AnimationFlags)(int) _flags);
NativeMethods.AnimateWindow(this, AnimationDuration, flags);
}
internal static void AnimateWindow(Control control, int time, NativeMethods.AnimationFlags flags)
{
try
{
System.Security.Permissions.SecurityPermission securityPermission = new System.Security.Permissions.SecurityPermission(System.Security.Permissions.SecurityPermissionFlag.UnmanagedCode);
securityPermission.Demand();
NativeMethods.AnimateWindow(new System.Runtime.InteropServices.HandleRef(control, control.Handle), time, flags);
}
catch (System.Security.SecurityException)
{
}
}
protected override void OnVisibleChanged(System.EventArgs e)
{
base.OnVisibleChanged(e);
if ((Visible & ShowingAnimation == PopupAnimation.None) | (Visible & HidingAnimation == PopupAnimation.None))
{
return;
}
NativeMethods.AnimationFlags flags = Visible ? NativeMethods.AnimationFlags.Roll : NativeMethods.AnimationFlags.Hide;
PopupAnimation _flags = Visible ? ShowingAnimation : HidingAnimation;
if ((_flags == PopupAnimation.SystemDefault))
{
if (SystemInformation.IsMenuAnimationEnabled)
{
if (SystemInformation.IsMenuFadeEnabled)
{
_flags = PopupAnimation.Blend;
}
else
{
_flags = PopupAnimation.Slide | (Visible ? PopupAnimation.TopToBottom : PopupAnimation.BottomToTop);
}
}
else
{
_flags = PopupAnimation.None;
}
}
if ((_flags & (PopupAnimation.Blend | PopupAnimation.Center | PopupAnimation.Roll | PopupAnimation.Slide)) == PopupAnimation.None)
{
return;
}
if (_resizabletop)
{
if ((_flags & PopupAnimation.BottomToTop) != PopupAnimation.None)
{
_flags = (_flags & ~PopupAnimation.BottomToTop) | PopupAnimation.TopToBottom;
}
else if ((_flags & PopupAnimation.TopToBottom) != PopupAnimation.None)
{
}
else
{
_flags = (_flags & ~PopupAnimation.TopToBottom) | PopupAnimation.BottomToTop;
}
}
if (_resizableleft)
{
if ((_flags & PopupAnimation.RightToLeft) != PopupAnimation.None)
{
_flags = (_flags & ~PopupAnimation.RightToLeft) | PopupAnimation.LeftToRight;
}
else if ((_flags & PopupAnimation.LeftToRight) != PopupAnimation.None)
{
_flags = (_flags & ~PopupAnimation.LeftToRight) | PopupAnimation.RightToLeft;
}
else
{
}
}
flags = flags | (NativeMethods.AnimationFlags.Mask & (NativeMethods.AnimationFlags)Convert.ToInt32(_flags));
NativeMethods.SetTopMost(this);
NativeMethods.AnimateWindow(this, AnimationDuration, flags);
}
private static extern int AnimateWindow(System.Runtime.InteropServices.HandleRef windowHandle, int time, NativeMethods.AnimationFlags flags);
protected override void OnVisibleChanged(System.EventArgs e)
{
base.OnVisibleChanged(e);
if (NativeMethods.IsRunningOnMono)
{
return;
}
if ((base.Visible && this.ShowingAnimation == PopupAnimations.None) || (!base.Visible && this.HidingAnimation == PopupAnimations.None))
{
return;
}
NativeMethods.AnimationFlags animationFlags = base.Visible ? NativeMethods.AnimationFlags.Roll : NativeMethods.AnimationFlags.Hide;
PopupAnimations popupAnimations = base.Visible ? this.ShowingAnimation : this.HidingAnimation;
if (popupAnimations == PopupAnimations.SystemDefault)
{
if (SystemInformation.IsMenuAnimationEnabled)
{
if (SystemInformation.IsMenuFadeEnabled)
{
popupAnimations = PopupAnimations.Blend;
}
else
{
popupAnimations = (PopupAnimations.Slide | (base.Visible ? PopupAnimations.TopToBottom : PopupAnimations.BottomToTop));
}
}
else
{
popupAnimations = PopupAnimations.None;
}
}
if ((popupAnimations & (PopupAnimations.Center | PopupAnimations.Slide | PopupAnimations.Blend | PopupAnimations.Roll)) == PopupAnimations.None)
{
return;
}
if (this._resizableTop)
{
if ((popupAnimations & PopupAnimations.BottomToTop) != PopupAnimations.None)
{
popupAnimations = ((popupAnimations & ~PopupAnimations.BottomToTop) | PopupAnimations.TopToBottom);
}
else
{
if ((popupAnimations & PopupAnimations.TopToBottom) != PopupAnimations.None)
{
popupAnimations = ((popupAnimations & ~PopupAnimations.TopToBottom) | PopupAnimations.BottomToTop);
}
}
}
if (this._resizableLeft)
{
if ((popupAnimations & PopupAnimations.RightToLeft) != PopupAnimations.None)
{
popupAnimations = ((popupAnimations & ~PopupAnimations.RightToLeft) | PopupAnimations.LeftToRight);
}
else
{
if ((popupAnimations & PopupAnimations.LeftToRight) != PopupAnimations.None)
{
popupAnimations = ((popupAnimations & ~PopupAnimations.LeftToRight) | PopupAnimations.RightToLeft);
}
}
}
animationFlags |= (NativeMethods.AnimationFlags)((PopupAnimations)1048575 & popupAnimations);
NativeMethods.SetTopMost(this);
NativeMethods.AnimateWindow(this, this.AnimationDuration, animationFlags);
}
