using System; using System.Collections.Generic; using System.Text; using System.Runtime.InteropServices; using System.Windows.Forms;namespace Utility { /// <summary> /// Base form class that provides fading/sliding effects on open/close of the form. /// </summary> public abstract class FadeForm : Form { #region Win32 const int AW_HIDE = 0X10000; const int AW_ACTIVATE = 0X20000; const int AW_HOR_POSITIVE = 0X1; const int AW_HOR_NEGATIVE = 0X2; const int AW_SLIDE = 0X40000; const int AW_BLEND = 0X80000; [DllImport("user32.dll", CharSet = CharSet.Auto)] private static extern int AnimateWindow (IntPtr hwand, int dwTime, int dwFlags); #endregion #region Variables private bool _UseSlideAnimation; #endregion #region Constructor /// <summary> /// Initializes a new instance of the <see cref="FadeForm"/> class. /// </summary> public FadeForm() : this(false) { }
/// <summary> /// Initializes a new instance of the <see cref="FadeForm"/> class. /// </summary> /// <param name="useSlideAnimation">if set to <c>true</c> [use slide animation].</param> public FadeForm(bool useSlideAnimation) { _UseSlideAnimation = useSlideAnimation; } #endregion #region Overrides /// <summary> /// Raises the <see cref="E:System.Windows.Forms.Form.Load"/> event. /// </summary> /// <param name="e">An <see cref="T:System.EventArgs"/> that contains the event data.</param> protected override void OnLoad(EventArgs e) { base.OnLoad(e); AnimateWindow(this.Handle, 1000, AW_ACTIVATE | (_UseSlideAnimation ? AW_HOR_POSITIVE | AW_SLIDE : AW_BLEND)); } /// <summary> /// Raises the <see cref="E:System.Windows.Forms.Form.Closing"/> event. /// </summary> /// <param name="e">A <see cref="T:System.ComponentModel.CancelEventArgs"/> that contains the event data.</param> protected override void OnClosing(System.ComponentModel.CancelEventArgs e) { base.OnClosing(e); if (e.Cancel == false) { AnimateWindow(this.Handle, 1000, AW_HIDE | (_UseSlideAnimation ? AW_HOR_NEGATIVE | AW_SLIDE : AW_BLEND)); } } #endregion } }
using System.Collections.Generic;
using System.Text;
using System.Runtime.InteropServices;
using System.Windows.Forms;namespace Utility
{
/// <summary>
/// Base form class that provides fading/sliding effects on open/close of the form.
/// </summary>
public abstract class FadeForm : Form
{
#region Win32 const int AW_HIDE = 0X10000;
const int AW_ACTIVATE = 0X20000;
const int AW_HOR_POSITIVE = 0X1;
const int AW_HOR_NEGATIVE = 0X2;
const int AW_SLIDE = 0X40000;
const int AW_BLEND = 0X80000; [DllImport("user32.dll", CharSet = CharSet.Auto)]
private static extern int AnimateWindow
(IntPtr hwand, int dwTime, int dwFlags); #endregion #region Variables private bool _UseSlideAnimation; #endregion #region Constructor /// <summary>
/// Initializes a new instance of the <see cref="FadeForm"/> class.
/// </summary>
public FadeForm() : this(false) { }
/// <summary>
/// Initializes a new instance of the <see cref="FadeForm"/> class.
/// </summary>
/// <param name="useSlideAnimation">if set to <c>true</c> [use slide animation].</param>
public FadeForm(bool useSlideAnimation)
{
_UseSlideAnimation = useSlideAnimation;
} #endregion #region Overrides /// <summary>
/// Raises the <see cref="E:System.Windows.Forms.Form.Load"/> event.
/// </summary>
/// <param name="e">An <see cref="T:System.EventArgs"/> that contains the event data.</param>
protected override void OnLoad(EventArgs e)
{
base.OnLoad(e);
AnimateWindow(this.Handle, 1000, AW_ACTIVATE | (_UseSlideAnimation ? AW_HOR_POSITIVE | AW_SLIDE : AW_BLEND));
} /// <summary>
/// Raises the <see cref="E:System.Windows.Forms.Form.Closing"/> event.
/// </summary>
/// <param name="e">A <see cref="T:System.ComponentModel.CancelEventArgs"/> that contains the event data.</param>
protected override void OnClosing(System.ComponentModel.CancelEventArgs e)
{
base.OnClosing(e);
if (e.Cancel == false)
{
AnimateWindow(this.Handle, 1000, AW_HIDE | (_UseSlideAnimation ? AW_HOR_NEGATIVE | AW_SLIDE : AW_BLEND));
}
} #endregion }
}
this.Width += 1;
this.Height += 1;
但是界面只能往左和往下伸展,怎样才能上下左右同时伸展呢