using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Diagnostics;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Linq;
using System.Reflection;
using System.Runtime.InteropServices;
using System.Text;
using System.Text.RegularExpressions;
using System.Threading;
using System.Windows.Forms;
namespace Rs.Controls
{
///
/// Class ControlHelper.
///
public static class ControlHelper
{
#region 设置控件Enabled,切不改变控件颜色
///
/// 功能描述:设置控件Enabled,切不改变控件颜色
/// 作 者:HZH
/// 创建日期:2019-03-04 13:43:32
/// 任务编号:POS
///
/// c
/// enabled
public static void SetControlEnabled(this Control c, bool enabled)
{
if (!c.IsDisposed)
{
if (enabled)
{
ControlHelper.SetWindowLong(c.Handle, -16, -134217729 & ControlHelper.GetWindowLong(c.Handle, -16));
}
else
{
ControlHelper.SetWindowLong(c.Handle, -16, 134217728 + ControlHelper.GetWindowLong(c.Handle, -16));
}
}
}
///
/// 功能描述:设置控件Enabled,切不改变控件颜色
/// 作 者:HZH
/// 创建日期:2019-03-04 13:43:32
/// 任务编号:POS
///
/// cs
/// enabled
public static void SetControlEnableds(Control[] cs, bool enabled)
{
for (int i = 0; i < cs.Length; i++)
{
Control c = cs[i];
SetControlEnabled(c, enabled);
}
}
#endregion
///
/// Sets the window long.
///
/// The h WND.
/// Index of the n.
/// The wndproc.
/// System.Int32.
[DllImport("user32.dll ")]
public static extern int SetWindowLong(IntPtr hWnd, int nIndex, int wndproc);
///
/// Gets the window long.
///
/// The h WND.
/// Index of the n.
/// System.Int32.
[DllImport("user32.dll ")]
public static extern int GetWindowLong(IntPtr hWnd, int nIndex);
///
/// Gets the foreground window.
///
/// IntPtr.
[DllImport("user32.dll", CharSet = CharSet.Auto, ExactSpelling = true)]
public static extern IntPtr GetForegroundWindow();
///
/// Threads the base call back.
///
/// The parent.
/// The object.
private static void ThreadBaseCallBack(Control parent, object obj)
{
if (obj is Exception)
{
if (parent != null)
{
ThreadInvokerControl(parent, delegate
{
Exception ex = obj as Exception;
});
}
}
}
///
/// 委托调用主线程控件
///
/// 主线程控件
/// 修改控件方法
public static void ThreadInvokerControl(Control parent, Action action)
{
if (parent != null)
{
if (parent.InvokeRequired)
{
parent.BeginInvoke(action);
}
else
{
action();
SetForegroundWindow(parent.Handle);
}
}
}
///
/// Sets the foreground window.
///
/// The h WND.
/// true if XXXX, false otherwise.
[DllImport("user32.dll")]
public static extern bool SetForegroundWindow(IntPtr hWnd);
///
/// Closes the process panel.
///
/// The parent.
public static void CloseProcessPanel(Control parent)
{
if (parent.InvokeRequired)
{
parent.BeginInvoke(new MethodInvoker(delegate
{
CloseProcessPanel(parent);
}));
}
else if (parent != null)
{
Control control = HaveProcessPanelControl(parent);
if (control != null)
{
Form frm = control.Tag as Form;
if (frm != null && !frm.IsDisposed && frm.Visible)
{
if (frm.InvokeRequired)
{
frm.BeginInvoke(new MethodInvoker(delegate
{
frm.Hide();
}));
}
else
{
frm.Hide();
}
}
}
}
}
///
/// Haves the process panel control.
///
/// The parent.
/// Control.
public static Control HaveProcessPanelControl(Control parent)
{
Control[] array = parent.Controls.Find("myprogressPanelext", false);
Control result;
if (array.Length > 0)
{
result = array[0];
}
else
{
result = null;
}
return result;
}
///
/// Converts to array.
///
/// The controls.
/// Control[].
public static Control[] ToArray(this System.Windows.Forms.Control.ControlCollection controls)
{
if (controls == null || controls.Count <= 0)
return new Control[0];
List lst = new List();
foreach (Control item in controls)
{
lst.Add(item);
}
return lst.ToArray();
}
#region 根据控件宽度截取字符串
///
/// 功能描述:根据控件宽度截取字符串
/// 作 者:HZH
/// 创建日期:2019-06-27 10:49:10
/// 任务编号:POS
///
/// 字符串
/// 控件宽度
/// Graphics
/// 字体
/// 截取后的字符串
public static string GetSubString(
string strSource,
float fltControlWidth,
System.Drawing.Graphics g,
System.Drawing.Font font)
{
try
{
fltControlWidth = fltControlWidth - 20;
strSource = strSource.Trim();
while (true)
{
System.Drawing.SizeF sizeF = g.MeasureString(strSource.Replace(" ", "A"), font);
if (sizeF.Width > fltControlWidth)
{
strSource = strSource.TrimEnd('…');
if (strSource.Length <= 1)
return "";
strSource = strSource.Substring(0, strSource.Length - 1).Trim() + "…";
}
else
{
return strSource;
}
}
}
finally
{
g.Dispose();
}
}
#endregion
#region 获取字符串宽度
///
/// 功能描述:获取字符串宽度
/// 作 者:HZH
/// 创建日期:2019-06-27 11:54:50
/// 任务编号:POS
///
/// strSource
/// g
/// font
/// 返回值
public static int GetStringWidth(
string strSource,
System.Drawing.Graphics g,
System.Drawing.Font font)
{
string[] strs = strSource.Split(new string[] { "\r\n" }, StringSplitOptions.RemoveEmptyEntries);
float fltWidth = 0;
foreach (var item in strs)
{
System.Drawing.SizeF sizeF = g.MeasureString(strSource.Replace(" ", "A"), font);
if (sizeF.Width > fltWidth)
fltWidth = sizeF.Width;
}
return (int)fltWidth;
}
#endregion
#region 动画特效
///
/// Animates the window.
///
/// The WHND.
/// The dwtime.
/// The dwflag.
/// true if XXXX, false otherwise.
[DllImport("user32.dll")]
public static extern bool AnimateWindow(IntPtr whnd, int dwtime, int dwflag);
//dwflag的取值如下
///
/// The aw hor positive
///
public const Int32 AW_HOR_POSITIVE = 0x00000001;
//从左到右显示
///
/// The aw hor negative
///
public const Int32 AW_HOR_NEGATIVE = 0x00000002;
//从右到左显示
///
/// The aw ver positive
///
public const Int32 AW_VER_POSITIVE = 0x00000004;
//从上到下显示
///
/// The aw ver negative
///
public const Int32 AW_VER_NEGATIVE = 0x00000008;
//从下到上显示
///
/// The aw center
///
public const Int32 AW_CENTER = 0x00000010;
//若使用了AW_HIDE标志,则使窗口向内重叠,即收缩窗口;否则使窗口向外扩展,即展开窗口
///
/// The aw hide
///
public const Int32 AW_HIDE = 0x00010000;
//隐藏窗口,缺省则显示窗口
///
/// The aw activate
///
public const Int32 AW_ACTIVATE = 0x00020000;
//激活窗口。在使用了AW_HIDE标志后不能使用这个标志
///
/// The aw slide
///
public const Int32 AW_SLIDE = 0x00040000;
//使用滑动类型。缺省则为滚动动画类型。当使用AW_CENTER标志时,这个标志就被忽略
///
/// The aw blend
///
public const Int32 AW_BLEND = 0x00080000;
//透明度从高到低
#endregion
#region 冻结控件
///
/// The m LST freeze control
///
static Dictionary m_lstFreezeControl = new Dictionary();
///
/// Handles the Disposed event of the control control.
///
/// The source of the event.
/// The instance containing the event data.
static void control_Disposed(object sender, EventArgs e)
{
try
{
if (m_lstFreezeControl.ContainsKey((Control)sender))
m_lstFreezeControl.Remove((Control)sender);
}
catch { }
}
#endregion
///
/// 设置GDI高质量模式抗锯齿
///
/// The g.
public static void SetGDIHigh(this Graphics g)
{
g.SmoothingMode = SmoothingMode.AntiAlias; //使绘图质量最高,即消除锯齿
g.InterpolationMode = InterpolationMode.HighQualityBicubic;
g.CompositingQuality = CompositingQuality.HighQuality;
}
///
/// 根据矩形和圆得到一个圆角矩形Path
///
/// The rect.
/// The corner radius.
/// GraphicsPath.
public static GraphicsPath CreateRoundedRectanglePath(this Rectangle rect, int cornerRadius)
{
GraphicsPath roundedRect = new GraphicsPath();
roundedRect.AddArc(rect.X, rect.Y, cornerRadius * 2, cornerRadius * 2, 180, 90);
roundedRect.AddLine(rect.X + cornerRadius, rect.Y, rect.Right - cornerRadius * 2, rect.Y);
roundedRect.AddArc(rect.X + rect.Width - cornerRadius * 2, rect.Y, cornerRadius * 2, cornerRadius * 2, 270, 90);
roundedRect.AddLine(rect.Right, rect.Y + cornerRadius * 2, rect.Right, rect.Y + rect.Height - cornerRadius * 2);
roundedRect.AddArc(rect.X + rect.Width - cornerRadius * 2, rect.Y + rect.Height - cornerRadius * 2, cornerRadius * 2, cornerRadius * 2, 0, 90);
roundedRect.AddLine(rect.Right - cornerRadius * 2, rect.Bottom, rect.X + cornerRadius * 2, rect.Bottom);
roundedRect.AddArc(rect.X, rect.Bottom - cornerRadius * 2, cornerRadius * 2, cornerRadius * 2, 90, 90);
roundedRect.AddLine(rect.X, rect.Bottom - cornerRadius * 2, rect.X, rect.Y + cornerRadius * 2);
roundedRect.CloseFigure();
return roundedRect;
}
///
/// Creates the rounded rectangle path.
///
/// The rect.
/// The corner radius.
/// GraphicsPath.
public static GraphicsPath CreateRoundedRectanglePath(this RectangleF rect, int cornerRadius)
{
GraphicsPath roundedRect = new GraphicsPath();
roundedRect.AddArc(rect.X, rect.Y, cornerRadius * 2, cornerRadius * 2, 180, 90);
roundedRect.AddLine(rect.X + cornerRadius, rect.Y, rect.Right - cornerRadius * 2, rect.Y);
roundedRect.AddArc(rect.X + rect.Width - cornerRadius * 2, rect.Y, cornerRadius * 2, cornerRadius * 2, 270, 90);
roundedRect.AddLine(rect.Right, rect.Y + cornerRadius * 2, rect.Right, rect.Y + rect.Height - cornerRadius * 2);
roundedRect.AddArc(rect.X + rect.Width - cornerRadius * 2, rect.Y + rect.Height - cornerRadius * 2, cornerRadius * 2, cornerRadius * 2, 0, 90);
roundedRect.AddLine(rect.Right - cornerRadius * 2, rect.Bottom, rect.X + cornerRadius * 2, rect.Bottom);
roundedRect.AddArc(rect.X, rect.Bottom - cornerRadius * 2, cornerRadius * 2, cornerRadius * 2, 90, 90);
roundedRect.AddLine(rect.X, rect.Bottom - cornerRadius * 2, rect.X, rect.Y + cornerRadius * 2);
roundedRect.CloseFigure();
return roundedRect;
}
///
/// Gets the colors.
///
/// The colors.
public static Color[] Colors { get; private set; }
static ControlHelper()
{
List list = new List();
list.Add(Color.FromArgb(55, 162, 218));
list.Add(Color.FromArgb(50, 197, 233));
list.Add(Color.FromArgb(103, 224, 227));
list.Add(Color.FromArgb(159, 230, 184));
list.Add(Color.FromArgb(255, 219, 92));
list.Add(Color.FromArgb(255, 159, 127));
list.Add(Color.FromArgb(251, 114, 147));
list.Add(Color.FromArgb(224, 98, 174));
list.Add(Color.FromArgb(230, 144, 209));
list.Add(Color.FromArgb(231, 188, 243));
list.Add(Color.FromArgb(157, 150, 245));
list.Add(Color.FromArgb(131, 120, 234));
list.Add(Color.FromArgb(150, 191, 255));
list.Add(Color.FromArgb(243, 67, 54));
list.Add(Color.FromArgb(156, 39, 176));
list.Add(Color.FromArgb(103, 58, 183));
list.Add(Color.FromArgb(63, 81, 181));
list.Add(Color.FromArgb(33, 150, 243));
list.Add(Color.FromArgb(0, 188, 211));
list.Add(Color.FromArgb(3, 169, 244));
list.Add(Color.FromArgb(0, 150, 136));
list.Add(Color.FromArgb(139, 195, 74));
list.Add(Color.FromArgb(76, 175, 80));
list.Add(Color.FromArgb(204, 219, 57));
list.Add(Color.FromArgb(233, 30, 99));
list.Add(Color.FromArgb(254, 234, 59));
list.Add(Color.FromArgb(254, 192, 7));
list.Add(Color.FromArgb(254, 152, 0));
list.Add(Color.FromArgb(255, 87, 34));
list.Add(Color.FromArgb(121, 85, 72));
list.Add(Color.FromArgb(158, 158, 158));
list.Add(Color.FromArgb(96, 125, 139));
list.Add(Color.FromArgb(252, 117, 85));
list.Add(Color.FromArgb(172, 113, 191));
list.Add(Color.FromArgb(115, 131, 253));
list.Add(Color.FromArgb(78, 206, 255));
list.Add(Color.FromArgb(121, 195, 82));
list.Add(Color.FromArgb(255, 163, 28));
list.Add(Color.FromArgb(255, 185, 15));
list.Add(Color.FromArgb(255, 181, 197));
list.Add(Color.FromArgb(255, 110, 180));
list.Add(Color.FromArgb(255, 69, 0));
list.Add(Color.FromArgb(255, 48, 48));
list.Add(Color.FromArgb(154, 205, 50));
list.Add(Color.FromArgb(155, 205, 155));
list.Add(Color.FromArgb(154, 50, 205));
list.Add(Color.FromArgb(131, 111, 255));
list.Add(Color.FromArgb(124, 205, 124));
list.Add(Color.FromArgb(0, 206, 209));
list.Add(Color.FromArgb(0, 178, 238));
list.Add(Color.FromArgb(56, 142, 142));
Type typeFromHandle = typeof(Color);
PropertyInfo[] properties = typeFromHandle.GetProperties();
PropertyInfo[] array = properties;
for (int i = 0; i < array.Length; i++)
{
PropertyInfo propertyInfo = array[i];
if (propertyInfo.PropertyType == typeof(Color) && (propertyInfo.Name.StartsWith("Dark") || propertyInfo.Name.StartsWith("Medium")))
{
object value = propertyInfo.GetValue(null, null);
list.Add((Color)value);
}
}
Colors = list.ToArray();
}
///
/// Draws the string.
///
/// The g.
/// The s.
/// The font.
/// The brush.
/// The point.
/// The format.
/// The angle.
public static void DrawString(Graphics g, string s, Font font, Brush brush, PointF point, StringFormat format, float angle)
{
Matrix transform = g.Transform;
Matrix transform2 = g.Transform;
transform2.RotateAt(angle, point);
g.Transform = transform2;
g.DrawString(s, font, brush, point, format);
g.Transform = transform;
}
///
/// Gets the rhombus from rectangle.
///
/// The rect.
/// Point[].
public static Point[] GetRhombusFromRectangle(Rectangle rect)
{
return new Point[5]
{
new Point(rect.X, rect.Y + rect.Height / 2),
new Point(rect.X + rect.Width / 2, rect.Y + rect.Height - 1),
new Point(rect.X + rect.Width - 1, rect.Y + rect.Height / 2),
new Point(rect.X + rect.Width / 2, rect.Y),
new Point(rect.X, rect.Y + rect.Height / 2)
};
}
///
/// Computes the paint location y.
///
/// The maximum.
/// The minimum.
/// The height.
/// The value.
/// System.Single.
public static float ComputePaintLocationY(int max, int min, int height, int value)
{
if ((float)(max - min) == 0f)
{
return height;
}
return (float)height - (float)(value - min) * 1f / (float)(max - min) * (float)height;
}
///
/// Computes the paint location y.
///
/// The maximum.
/// The minimum.
/// The height.
/// The value.
/// System.Single.
public static float ComputePaintLocationY(float max, float min, float height, float value)
{
if (max - min == 0f)
{
return height;
}
return height - (value - min) / (max - min) * height;
}
///
/// Paints the coordinate divide.
///
/// The g.
/// The pen line.
/// The pen dash.
/// The font.
/// The brush.
/// The sf.
/// The degree.
/// The maximum.
/// The minimum.
/// The width.
/// The height.
/// The left.
/// The right.
/// Up.
/// Down.
public static void PaintCoordinateDivide(Graphics g, System.Drawing.Pen penLine, System.Drawing.Pen penDash, Font font, System.Drawing.Brush brush, StringFormat sf, int degree, int max, int min, int width, int height, int left = 60, int right = 8, int up = 8, int down = 8)
{
for (int i = 0; i <= degree; i++)
{
int value = (max - min) * i / degree + min;
int num = (int)ComputePaintLocationY(max, min, height - up - down, value) + up + 1;
g.DrawLine(penLine, left - 1, num, left - 4, num);
if (i != 0)
{
g.DrawLine(penDash, left, num, width - right, num);
}
g.DrawString(value.ToString(), font, brush, new Rectangle(-5, num - font.Height / 2, left, font.Height), sf);
}
}
///
/// Adds the array data.
///
///
/// The array.
/// The data.
/// The maximum.
public static void AddArrayData(ref T[] array, T[] data, int max)
{
if (data == null || data.Length == 0)
{
return;
}
if (array.Length == max)
{
Array.Copy(array, data.Length, array, 0, array.Length - data.Length);
Array.Copy(data, 0, array, array.Length - data.Length, data.Length);
}
else if (array.Length + data.Length > max)
{
T[] array2 = new T[max];
for (int i = 0; i < max - data.Length; i++)
{
array2[i] = array[i + (array.Length - max + data.Length)];
}
for (int j = 0; j < data.Length; j++)
{
array2[array2.Length - data.Length + j] = data[j];
}
array = array2;
}
else
{
T[] array3 = new T[array.Length + data.Length];
for (int k = 0; k < array.Length; k++)
{
array3[k] = array[k];
}
for (int l = 0; l < data.Length; l++)
{
array3[array3.Length - data.Length + l] = data[l];
}
array = array3;
}
}
///
/// Converts the size.
///
/// The size.
/// The angle.
/// SizeF.
public static SizeF ConvertSize(SizeF size, float angle)
{
System.Drawing.Drawing2D.Matrix matrix = new System.Drawing.Drawing2D.Matrix();
matrix.Rotate(angle);
PointF[] array = new PointF[4];
array[0].X = (0f - size.Width) / 2f;
array[0].Y = (0f - size.Height) / 2f;
array[1].X = (0f - size.Width) / 2f;
array[1].Y = size.Height / 2f;
array[2].X = size.Width / 2f;
array[2].Y = size.Height / 2f;
array[3].X = size.Width / 2f;
array[3].Y = (0f - size.Height) / 2f;
matrix.TransformPoints(array);
float num = float.MaxValue;
float num2 = float.MinValue;
float num3 = float.MaxValue;
float num4 = float.MinValue;
PointF[] array2 = array;
for (int i = 0; i < array2.Length; i++)
{
PointF pointF = array2[i];
if (pointF.X < num)
{
num = pointF.X;
}
if (pointF.X > num2)
{
num2 = pointF.X;
}
if (pointF.Y < num3)
{
num3 = pointF.Y;
}
if (pointF.Y > num4)
{
num4 = pointF.Y;
}
}
return new SizeF(num2 - num, num4 - num3);
}
///
/// Gets the pow.
///
/// The digit.
/// System.Int32.
private static int GetPow(int digit)
{
int num = 1;
for (int i = 0; i < digit; i++)
{
num *= 10;
}
return num;
}
///
/// Calculates the maximum section from.
///
/// The values.
/// System.Int32.
public static double CalculateMaxSectionFrom(double[] values)
{
double num = values.Max();
return CalculateMaxSection(num);
}
public static double CalculateMaxSectionFrom(double[][] values)
{
double num = values.Max(p => p.Max());
return CalculateMaxSection(num);
}
private static double CalculateMaxSection(double num)
{
if (num <= 5)
{
return 5;
}
if (num <= 10)
{
return 10;
}
int digit = num.ToString().Length - 2;
int num2 = int.Parse(num.ToString().Substring(0, 2));
if (num2 < 12)
{
return 12 * GetPow(digit);
}
if (num2 < 14)
{
return 14 * GetPow(digit);
}
if (num2 < 16)
{
return 16 * GetPow(digit);
}
if (num2 < 18)
{
return 18 * GetPow(digit);
}
if (num2 < 20)
{
return 20 * GetPow(digit);
}
if (num2 < 22)
{
return 22 * GetPow(digit);
}
if (num2 < 24)
{
return 24 * GetPow(digit);
}
if (num2 < 26)
{
return 26 * GetPow(digit);
}
if (num2 < 28)
{
return 28 * GetPow(digit);
}
if (num2 < 30)
{
return 30 * GetPow(digit);
}
if (num2 < 40)
{
return 40 * GetPow(digit);
}
if (num2 < 50)
{
return 50 * GetPow(digit);
}
if (num2 < 60)
{
return 60 * GetPow(digit);
}
if (num2 < 80)
{
return 80 * GetPow(digit);
}
return 100 * GetPow(digit);
}
///
/// Gets the color light.
///
/// The color.
/// System.Drawing.Color.
public static System.Drawing.Color GetColorLight(System.Drawing.Color color)
{
return System.Drawing.Color.FromArgb(color.R + (255 - color.R) * 40 / 100, color.G + (255 - color.G) * 40 / 100, color.B + (255 - color.B) * 40 / 100);
}
///
/// Gets the color light five.
///
/// The color.
/// System.Drawing.Color.
public static System.Drawing.Color GetColorLightFive(System.Drawing.Color color)
{
return System.Drawing.Color.FromArgb(color.R + (255 - color.R) * 50 / 100, color.G + (255 - color.G) * 50 / 100, color.B + (255 - color.B) * 50 / 100);
}
///
/// Gets the points from.
///
/// The points.
/// Width of the soure.
/// Height of the source.
/// The width.
/// The height.
/// The dx.
/// The dy.
/// PointF[].
public static PointF[] GetPointsFrom(string points, float soureWidth, float sourceHeight, float width, float height, float dx = 0f, float dy = 0f)
{
string[] array = points.Split(new char[1]
{
' '
}, StringSplitOptions.RemoveEmptyEntries);
PointF[] array2 = new PointF[array.Length];
for (int i = 0; i < array.Length; i++)
{
int num = array[i].IndexOf(',');
float num2 = Convert.ToSingle(array[i].Substring(0, num));
float num3 = Convert.ToSingle(array[i].Substring(num + 1));
array2[i] = new PointF(width * (num2 + dx) / soureWidth, height * (num3 + dy) / sourceHeight);
}
return array2;
}
public static bool IsDesignMode()
{
bool returnFlag = false;
if (LicenseManager.UsageMode == LicenseUsageMode.Designtime)
{
returnFlag = true;
}
else if (Process.GetCurrentProcess().ProcessName == "devenv")
{
returnFlag = true;
}
return returnFlag;
}
#region 滚动条 English:scroll bar
static uint SB_HORZ = 0x0;
static uint SB_VERT = 0x1;
static uint SB_CTL = 0x2;
static uint SB_BOTH = 0x3;
[DllImport("user32.dll", SetLastError = true, EntryPoint = "GetScrollInfo")]
private static extern int GetScrollInfo(IntPtr hWnd, uint fnBar, ref SCROLLINFO psbi);
[DllImport("user32.dll")]//[return: MarshalAs(UnmanagedType.Bool)]
private static extern int SetScrollInfo(IntPtr handle, uint fnBar, ref SCROLLINFO si, bool fRedraw);
[DllImport("user32.dll", EntryPoint = "PostMessage")]
private static extern bool PostMessage(IntPtr handle, int msg, uint wParam, uint lParam);
[DllImport("User32.dll", EntryPoint = "SendMessage")]
private static extern int SendMessage(IntPtr hWnd, int Msg, int wParam, int lParam);
///
/// ShowScrollBar
///
/// hWnd
/// 0:horizontal,1:vertical,3:both
/// bShow
///
[DllImport("user32.dll")]
[return: MarshalAs(UnmanagedType.Bool)]
public static extern bool ShowScrollBar(IntPtr hWnd, int wBar, bool bShow);
///
///获取水平滚动条信息
///
/// The h WND.
/// Scrollbarinfo.
public static SCROLLINFO GetHScrollBarInfo(IntPtr hWnd)
{
SCROLLINFO info = new SCROLLINFO();
info.cbSize = (int)Marshal.SizeOf(info);
info.fMask = (int)ScrollInfoMask.SIF_DISABLENOSCROLL | (int)ScrollInfoMask.SIF_ALL;
int intRef = GetScrollInfo(hWnd, SB_HORZ, ref info);
return info;
}
///
/// 获取垂直滚动条信息
///
/// The h WND.
/// Scrollbarinfo.
public static SCROLLINFO GetVScrollBarInfo(IntPtr hWnd)
{
SCROLLINFO info = new SCROLLINFO();
info.cbSize = (int)Marshal.SizeOf(info);
info.fMask = (int)ScrollInfoMask.SIF_DISABLENOSCROLL | (int)ScrollInfoMask.SIF_ALL;
int intRef = GetScrollInfo(hWnd, SB_VERT, ref info);
return info;
}
public struct SCROLLINFO
{
public int cbSize;
public int fMask;
public int nMin;
public int nMax;
public int nPage;
public int nPos;
public int nTrackPos;
public int ScrollMax { get { return nMax + 1 - nPage; } }
}
public enum ScrollInfoMask : uint
{
SIF_RANGE = 0x1,
SIF_PAGE = 0x2,
SIF_POS = 0x4,
SIF_DISABLENOSCROLL = 0x8,
SIF_TRACKPOS = 0x10,
SIF_ALL = (SIF_RANGE | SIF_PAGE | SIF_POS | SIF_TRACKPOS),
SB_THUMBTRACK = 5,
WM_HSCROLL = 0x0114,
WM_VSCROLL = 0x0115,
SB_LINEUP = 0,
SB_LINEDOWN = 1,
SB_LINELEFT = 0,
SB_LINERIGHT = 1,
}
public static void SetVScrollValue(IntPtr handle, int value)
{
var info = GetVScrollBarInfo(handle);
info.nPos = value;
SetScrollInfo(handle, SB_VERT, ref info, true);
PostMessage(handle, (int)ScrollInfoMask.WM_VSCROLL, MakeLong((short)ScrollInfoMask.SB_THUMBTRACK, highPart: (short)info.nPos), 0);
}
public static void SetHScrollValue(IntPtr handle, int value)
{
var info = GetHScrollBarInfo(handle);
info.nPos = value;
SetScrollInfo(handle, SB_HORZ, ref info, true);
PostMessage(handle, (int)ScrollInfoMask.WM_HSCROLL, MakeLong((short)ScrollInfoMask.SB_THUMBTRACK, highPart: (short)info.nPos), 0);
}
private static uint MakeLong(short lowPart, short highPart)
{
return (ushort)lowPart | (uint)(highPart << 16);
}
///
/// 控件向上滚动一个单位
///
/// 控件句柄
public static void ScrollUp(IntPtr handle)
{
SendMessage(handle, (int)ScrollInfoMask.WM_VSCROLL, (int)ScrollInfoMask.SB_LINEUP, 0);
}
///
/// 控件向下滚动一个单位
///
/// 控件句柄
public static void ScrollDown(IntPtr handle)
{
SendMessage(handle, (int)ScrollInfoMask.WM_VSCROLL, (int)ScrollInfoMask.SB_LINEDOWN, 0);
}
///
/// 控件向左滚动一个单位
///
/// 控件句柄
public static void ScrollLeft(IntPtr handle)
{
SendMessage(handle, (int)ScrollInfoMask.WM_HSCROLL, (int)ScrollInfoMask.SB_LINELEFT, 0);
}
///
/// 控件向右滚动一个单位
///
/// 控件句柄
public static void ScrollRight(IntPtr handle)
{
SendMessage(handle, (int)ScrollInfoMask.WM_VSCROLL, (int)ScrollInfoMask.SB_LINERIGHT, 0);
}
#endregion
///
/// 返回指定图片中的非透明区域;
///
/// 位图
///
public static GraphicsPath CalculateControlGraphicsPath(Bitmap bitmap, Color? colorTransparent = null)
{
// Create GraphicsPath for our bitmap calculation
//创建 GraphicsPath
GraphicsPath graphicsPath = new GraphicsPath();
// Use the top left pixel as our transparent color
//使用左上角的一点的颜色作为我们透明色
Color _colorTransparent = bitmap.GetPixel(0, 0);
if (colorTransparent != null && colorTransparent != Color.Transparent && colorTransparent != Color.Empty)
_colorTransparent = colorTransparent.Value;
// This is to store the column value where an opaque pixel is first found.
// This value will determine where we start scanning for trailing opaque pixels.
//第一个找到点的X
int colOpaquePixel = 0;
// Go through all rows (Y axis)
// 偏历所有行(Y方向)
for (int row = 0; row < bitmap.Height; row++)
{
// Reset value
//重设
colOpaquePixel = 0;
// Go through all columns (X axis)
//偏历所有列(X方向)
for (int col = 0; col < bitmap.Width; col++)
{
// If this is an opaque pixel, mark it and search for anymore trailing behind
//如果是不需要透明处理的点则标记,然后继续偏历
if (bitmap.GetPixel(col, row) != _colorTransparent)
{
// Opaque pixel found, mark current position
//记录当前
colOpaquePixel = col;
// Create another variable to set the current pixel position
//建立新变量来记录当前点
int colNext = col;
// Starting from current found opaque pixel, search for anymore opaque pixels
// trailing behind, until a transparent pixel is found or minimum width is reached
///从找到的不透明点开始,继续寻找不透明点,一直到找到或则达到图片宽度
for (colNext = colOpaquePixel; colNext < bitmap.Width; colNext++)
if (bitmap.GetPixel(colNext, row) == _colorTransparent)
break;
// Form a rectangle for line of opaque pixels found and add it to our graphics path
//将不透明点加到graphics path
graphicsPath.AddRectangle(new Rectangle(colOpaquePixel, row, colNext - colOpaquePixel, 1));
// No need to scan the line of opaque pixels just found
col = colNext;
}
}
}
// Return calculated graphics path
return graphicsPath;
}
///
/// 颜色加深
///
///
/// -1.0f <= correctionFactor <= 1.0f
///
public static Color ChangeColor(this Color color, float correctionFactor)
{
float red = (float)color.R;
float green = (float)color.G;
float blue = (float)color.B;
if (correctionFactor < 0)
{
correctionFactor = 1 + correctionFactor;
red *= correctionFactor;
green *= correctionFactor;
blue *= correctionFactor;
}
else
{
red = (255 - red) * correctionFactor + red;
green = (255 - green) * correctionFactor + green;
blue = (255 - blue) * correctionFactor + blue;
}
if (red < 0) red = 0;
if (red > 255) red = 255;
if (green < 0) green = 0;
if (green > 255) green = 255;
if (blue < 0) blue = 0;
if (blue > 255) blue = 255;
return Color.FromArgb(color.A, (int)red, (int)green, (int)blue);
}
///
/// 相对于屏幕显示的位置
///
/// 窗体需要显示的屏幕
/// left
/// top
///
public static Point GetScreenLocation(Screen screen,int left,int top)
{
return new Point(screen.Bounds.Left + left, screen.Bounds.Top + top);
}
}
}