/// <summary>
/// 鼠标移动事件(调整窗体大小).
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void FrmStyle_MouseMove(object sender, System.Windows.Forms.MouseEventArgs e)
{
//如果最大化则不触发事件.
if (this.WindowState == System.Windows.Forms.FormWindowState.Maximized)
{
return;
}
//鼠标距界面左上角的坐标
Point mouseLocation = new Point(System.Windows.Forms.Control.MousePosition.X - this.Location.X, System.Windows.Forms.Control.MousePosition.Y - this.Location.Y);
//如果允许调整大小
if (this.IsMouseDown && this.loactionStyle != MouseLocationStyle.S22_MiddelCenter)
{
//调整大小
if (this.LastMoustLocation == null || Math.Abs(this.LastMoustLocation.X - mouseLocation.X) >= 5 || Math.Abs(this.LastMoustLocation.Y - mouseLocation.Y) >= 5)
{
this.ChangeSize(mouseLocation, this.loactionStyle);
this.LastMoustLocation = new Point(mouseLocation.X, mouseLocation.Y);
}
}
else
{
//鼠标位置
this.loactionStyle = this.GetLocationStyle(mouseLocation);
this.Cursor = this.GetCursorByMouseLocationStyle(this.loactionStyle);
}
}
/// <summary>
/// 根据鼠标位置类型,返回鼠标光标类型.
/// </summary>
/// <param name="mouseStyle">鼠标位置类型</param>
/// <returns>鼠标光标类型</returns>
private System.Windows.Forms.Cursor GetCursorByMouseLocationStyle(MouseLocationStyle mouseStyle)
{
switch (mouseStyle)
{
case MouseLocationStyle.S11_LeftTop:
return(System.Windows.Forms.Cursors.SizeNWSE);
case MouseLocationStyle.S12_CenterTop:
return(System.Windows.Forms.Cursors.SizeNS);
case MouseLocationStyle.S13_RightTop:
return(System.Windows.Forms.Cursors.SizeNESW);
case MouseLocationStyle.S21_MiddleLeft:
return(System.Windows.Forms.Cursors.SizeWE);
case MouseLocationStyle.S22_MiddelCenter:
return(System.Windows.Forms.Cursors.Default);
case MouseLocationStyle.S23_RightMiddel:
return(System.Windows.Forms.Cursors.SizeWE);
case MouseLocationStyle.S31_LeftBottom:
return(System.Windows.Forms.Cursors.SizeNESW);
case MouseLocationStyle.S32_CenterBottom:
return(System.Windows.Forms.Cursors.SizeNS);
case MouseLocationStyle.S33_RightBottom:
return(System.Windows.Forms.Cursors.SizeNWSE);
default:
return(System.Windows.Forms.Cursors.Default);
}
}
/// <summary>
/// 根据鼠标坐标和鼠标坐标类型调整窗体大小.
/// </summary>
/// <param name="mouseLocation">鼠标坐标</param>
/// <param name="mouseStyle">鼠标位置类型</param>
private void ChangeSize(Point mouseLocation, MouseLocationStyle mouseStyle)
{
Size newSize = new Size(this.Width, this.Height);
switch (mouseStyle)
{
case MouseLocationStyle.S11_LeftTop:
//左上
newSize.Width -= mouseLocation.X;
newSize.Height -= mouseLocation.Y;
this.Location = new Point(this.Location.X + mouseLocation.X, this.Location.Y + mouseLocation.Y);
break;
case MouseLocationStyle.S12_CenterTop:
//中上
newSize.Height -= mouseLocation.Y;
this.Location = new Point(this.Location.X, this.Location.Y + mouseLocation.Y);
break;
case MouseLocationStyle.S13_RightTop:
//右上
newSize.Width = mouseLocation.X;
newSize.Height -= mouseLocation.Y;
this.Location = new Point(this.Location.X, this.Location.Y + mouseLocation.Y);
break;
case MouseLocationStyle.S21_MiddleLeft:
//左中
newSize.Width -= mouseLocation.X;
this.Location = new Point(this.Location.X + mouseLocation.X, this.Location.Y);
break;
case MouseLocationStyle.S22_MiddelCenter:
//中中【无需调整】
break;
case MouseLocationStyle.S23_RightMiddel:
//中右
newSize.Width = mouseLocation.X;
break;
case MouseLocationStyle.S31_LeftBottom:
//左下
newSize.Width -= mouseLocation.X;
newSize.Height = mouseLocation.Y;
this.Location = new Point(this.Location.X + mouseLocation.X, this.Location.Y);
break;
case MouseLocationStyle.S32_CenterBottom:
//中下
newSize.Height = mouseLocation.Y;
break;
case MouseLocationStyle.S33_RightBottom:
//右下
newSize.Width = mouseLocation.X;
newSize.Height = mouseLocation.Y;
break;
}
this.Size = newSize;
}
/// <summary>
/// 根据鼠标位置类型,返回鼠标光标类型.
/// </summary>
/// <param name="mouseStyle">鼠标位置类型</param>
/// <returns>鼠标光标类型</returns>
private System.Windows.Forms.Cursor GetCursorByMouseLocationStyle(MouseLocationStyle mouseStyle)
{
switch (mouseStyle)
{
case MouseLocationStyle.S11_LeftTop:
return System.Windows.Forms.Cursors.SizeNWSE;
case MouseLocationStyle.S12_CenterTop:
return System.Windows.Forms.Cursors.SizeNS;
case MouseLocationStyle.S13_RightTop:
return System.Windows.Forms.Cursors.SizeNESW;
case MouseLocationStyle.S21_MiddleLeft:
return System.Windows.Forms.Cursors.SizeWE;
case MouseLocationStyle.S22_MiddelCenter:
return System.Windows.Forms.Cursors.Default;
case MouseLocationStyle.S23_RightMiddel:
return System.Windows.Forms.Cursors.SizeWE;
case MouseLocationStyle.S31_LeftBottom:
return System.Windows.Forms.Cursors.SizeNESW;
case MouseLocationStyle.S32_CenterBottom:
return System.Windows.Forms.Cursors.SizeNS;
case MouseLocationStyle.S33_RightBottom:
return System.Windows.Forms.Cursors.SizeNWSE;
default:
return System.Windows.Forms.Cursors.Default;
}
}
/// <summary>
/// 鼠标移动事件(调整窗体大小).
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void FrmStyle_MouseMove(object sender, System.Windows.Forms.MouseEventArgs e)
{
//如果最大化则不触发事件.
if (this.WindowState == System.Windows.Forms.FormWindowState.Maximized) return;
//鼠标距界面左上角的坐标
Point mouseLocation = new Point(System.Windows.Forms.Control.MousePosition.X - this.Location.X, System.Windows.Forms.Control.MousePosition.Y - this.Location.Y);
//如果允许调整大小
if (this.IsMouseDown && this.loactionStyle != MouseLocationStyle.S22_MiddelCenter)
{
//调整大小
if (this.LastMoustLocation == null || Math.Abs(this.LastMoustLocation.X - mouseLocation.X) >= 5 || Math.Abs(this.LastMoustLocation.Y - mouseLocation.Y) >= 5)
{
this.ChangeSize(mouseLocation, this.loactionStyle);
this.LastMoustLocation = new Point(mouseLocation.X, mouseLocation.Y);
}
}
else
{
//鼠标位置
this.loactionStyle = this.GetLocationStyle(mouseLocation);
this.Cursor = this.GetCursorByMouseLocationStyle(this.loactionStyle);
}
}
/// <summary>
/// 根据鼠标坐标和鼠标坐标类型调整窗体大小.
/// </summary>
/// <param name="mouseLocation">鼠标坐标</param>
/// <param name="mouseStyle">鼠标位置类型</param>
private void ChangeSize(Point mouseLocation, MouseLocationStyle mouseStyle)
{
Size newSize = new Size(this.Width, this.Height);
switch (mouseStyle)
{
case MouseLocationStyle.S11_LeftTop:
//左上
newSize.Width -= mouseLocation.X;
newSize.Height -= mouseLocation.Y;
this.Location = new Point(this.Location.X + mouseLocation.X, this.Location.Y + mouseLocation.Y);
break;
case MouseLocationStyle.S12_CenterTop:
//中上
newSize.Height -= mouseLocation.Y;
this.Location = new Point(this.Location.X, this.Location.Y + mouseLocation.Y);
break;
case MouseLocationStyle.S13_RightTop:
//右上
newSize.Width = mouseLocation.X;
newSize.Height -= mouseLocation.Y;
this.Location = new Point(this.Location.X, this.Location.Y + mouseLocation.Y);
break;
case MouseLocationStyle.S21_MiddleLeft:
//左中
newSize.Width -= mouseLocation.X;
this.Location = new Point(this.Location.X + mouseLocation.X, this.Location.Y);
break;
case MouseLocationStyle.S22_MiddelCenter:
//中中【无需调整】
break;
case MouseLocationStyle.S23_RightMiddel:
//中右
newSize.Width = mouseLocation.X;
break;
case MouseLocationStyle.S31_LeftBottom:
//左下
newSize.Width -= mouseLocation.X;
newSize.Height = mouseLocation.Y;
this.Location = new Point(this.Location.X + mouseLocation.X, this.Location.Y);
break;
case MouseLocationStyle.S32_CenterBottom:
//中下
newSize.Height = mouseLocation.Y;
break;
case MouseLocationStyle.S33_RightBottom:
//右下
newSize.Width = mouseLocation.X;
newSize.Height = mouseLocation.Y;
break;
}
this.Size = newSize;
}
