C# Winform控件字体大小自适应


using System.Collections.Generic;
using System.Drawing;
using System.Windows.Forms;
 
namespace WGClient
{
     class AutoSizeFormClass
     {
         //(1).声明结构,只记录窗体和其控件的初始位置和大小。
         public struct controlRect
         {
             public int Left;
             public int Top;
             public int Width;
             public int Height;
             public float FontSize;
             public FontFamily FontFamily;
         }
         //(2).声明 1个对象
         //注意这里不能使用控件列表记录 List nCtrl;,因为控件的关联性,记录的始终是当前的大小。
         //     public List oldCtrl= new List();//这里将西文的大于小于号都过滤掉了,只能改为中文的,使用中要改回西文
         public List<controlRect> oldCtrl = new List<controlRect>();
        int ctrlNo = 0; //1;
                       //(3). 创建两个函数
                       //(3.1)记录窗体和其控件的初始位置和大小,
         public void controllInitializeSize(Control mForm)
         {
             controlRect cR;
             cR.Left = mForm.Left; cR.Top = mForm.Top; cR.Width = mForm.Width; cR.Height = mForm.Height;
             cR.FontSize = mForm.Font.Size;
             cR.FontFamily = mForm.Font.FontFamily;
             oldCtrl.Add(cR); //第一个为"窗体本身",只加入一次即可
 
             AddControl(mForm); //窗体内其余控件还可能嵌套控件(比如panel),要单独抽出,因为要递归调用
 
             //this.WindowState = (System.Windows.Forms.FormWindowState)(2);//记录完控件的初始位置和大小后,再最大化
             //0 - Normalize , 1 - Minimize,2- Maximize
         }
 
         private void AddControl(Control ctl)
         {
             foreach (Control c in ctl.Controls)
             //**放在这里,是先记录控件的子控件,后记录控件本身
                //if (c.Controls.Count > 0)
                //   AddControl(c);//窗体内其余控件还可能嵌套控件(比如panel),要单独抽出,因为要递归调用
                 controlRect objCtrl;
                 objCtrl.Left = c.Left;
                 objCtrl.Top = c.Top;
                 objCtrl.Width = c.Width;
                 objCtrl.Height = c.Height;
                 objCtrl.FontSize = c.Font.Size;
                 objCtrl.FontFamily = c.Font.FontFamily;
                 oldCtrl.Add(objCtrl);
                 //**放在这里,是先记录控件本身,后记录控件的子控件
                 if (c.Controls.Count > 0)
                     AddControl(c); //窗体内其余控件还可能嵌套控件(比如panel),要单独抽出,因为要递归调用
 
             }
         }
 
         //(3.2)控件自适应大小,
         public void controlAutoSize(Control mForm)
         {
             if (ctrlNo == 0)
             { //*如果在窗体的Form1_Load中,记录控件原始的大小和位置,正常没有问题,但要加入皮肤就会出现问题,因为有些控件如dataGridView的的子控件还没有完成,个数少
               //*要在窗体的Form1_SizeChanged中,第一次改变大小时,记录控件原始的大小和位置,这里所有控件的子控件都已经形成
                 controlRect cR;
                 //  cR.Left = mForm.Left; cR.Top = mForm.Top; cR.Width = mForm.Width; cR.Height = mForm.Height;
                 cR.Left = 0; cR.Top = 0; cR.Width = mForm.PreferredSize.Width; cR.Height = mForm.PreferredSize.Height;
                 cR.FontSize = mForm.Font.Size;
                 cR.FontFamily = mForm.Font.FontFamily;
                 oldCtrl.Add(cR); //第一个为"窗体本身",只加入一次即可
 
                 AddControl(mForm); //窗体内其余控件可能嵌套其它控件(比如panel),故单独抽出以便递归调用
             }
             float wScale = ( float )mForm.Width / ( float )oldCtrl[0].Width; //新旧窗体之间的比例,与最早的旧窗体
             float hScale = ( float )mForm.Height / ( float )oldCtrl[0].Height; //.Height;
             float fontSizeScale = ( float )mForm.Font.Size / ( float )oldCtrl[0].FontSize; //.FontSize
             ctrlNo = 1; //进入=1,第0个为窗体本身,窗体内的控件,从序号1开始
 
             AutoScaleControl(mForm, wScale, hScale, fontSizeScale); //窗体内其余控件还可能嵌套控件(比如panel),要单独抽出,因为要递归调用
         }
 
         private void AutoScaleControl(Control ctl, float wScale, float hScale, float fontSizeScale)
         {
             int ctrLeft0, ctrTop0, ctrWidth0, ctrHeight0;
             float fontSize;
             FontFamily fontFamily;
             //int ctrlNo = 1;//第1个是窗体自身的 Left,Top,Width,Height,所以窗体控件从ctrlNo=1开始
             foreach (Control c in ctl.Controls)
             { //**放在这里,是先缩放控件的子控件,后缩放控件本身
               //if (c.Controls.Count > 0)
               //   AutoScaleControl(c, wScale, hScale);//窗体内其余控件还可能嵌套控件(比如panel),要单独抽出,因为要递归调用
                 ctrLeft0 = oldCtrl[ctrlNo].Left;
                 ctrTop0 = oldCtrl[ctrlNo].Top;
                 ctrWidth0 = oldCtrl[ctrlNo].Width;
                 ctrHeight0 = oldCtrl[ctrlNo].Height;
                 fontSize = oldCtrl[ctrlNo].FontSize;
                 fontFamily = oldCtrl[ctrlNo].FontFamily;
                 //c.Left = (int)((ctrLeft0 - wLeft0) * wScale) + wLeft1;//新旧控件之间的线性比例
                 //c.Top = (int)((ctrTop0 - wTop0) * h) + wTop1;
                 c.Left = ( int )((ctrLeft0) * wScale); //新旧控件之间的线性比例。控件位置只相对于窗体,所以不能加 + wLeft1
                 c.Top = ( int )((ctrTop0) * hScale); //
                 c.Width = ( int )(ctrWidth0 * wScale); //只与最初的大小相关,所以不能与现在的宽度相乘 (int)(c.Width * w);
                 c.Height = ( int )(ctrHeight0 * hScale); //
                 c.Font= new Font(fontFamily, fontSize* fontSizeScale);
                 ctrlNo++; //累加序号
                          //**放在这里,是先缩放控件本身,后缩放控件的子控件
                 if (c.Controls.Count > 0)
                     AutoScaleControl(c, wScale, hScale,fontSizeScale); //窗体内其余控件还可能嵌套控件(比如panel),要单独抽出,因为要递归调用
                 
 
                 if (ctl is DataGridView)
                 {
                     DataGridView dgv = ctl as DataGridView;
                     Cursor.Current = Cursors.WaitCursor;
 
                     int widths = 0;
                     for ( int i = 0; i < dgv.Columns.Count; i++)
                     {
                         dgv.AutoResizeColumn(i, DataGridViewAutoSizeColumnMode.AllCells);  // 自动调整列宽 
                         widths += dgv.Columns[i].Width;   // 计算调整列后单元列的宽度和                      
                     }
                     if (widths >= ctl.Size.Width)  // 如果调整列的宽度大于设定列宽 
                         dgv.AutoSizeColumnsMode = DataGridViewAutoSizeColumnsMode.DisplayedCells;  // 调整列的模式 自动 
                     else
                         dgv.AutoSizeColumnsMode = DataGridViewAutoSizeColumnsMode.Fill;  // 如果小于 则填充 
 
                     Cursor.Current = Cursors.Default;
                 }
             }
         }
 
     }
}


免责声明!

本站转载的文章为个人学习借鉴使用,本站对版权不负任何法律责任。如果侵犯了您的隐私权益,请联系本站邮箱yoyou2525@163.com删除。



 
粤ICP备18138465号  © 2018-2025 CODEPRJ.COM