實(shí)現(xiàn)gdv設(shè)置的抽象對(duì)象，不用每個(gè)gdv控件都添加sizechanged事件，只需執(zhí)行g(shù)dc綁定sql函數(shù)，在其中會(huì)自動(dòng)添加SizeChanged事件。

?

//2016.5.13 by sngk

??????? //根據(jù)控件大小自動(dòng)調(diào)整GridView列寬模式，盡量使列充滿

??????? //2016.11.19 實(shí)現(xiàn)自動(dòng)添加sizechanged事件

??????? //該函數(shù)只執(zhí)行一次，在賦值時(shí)

??????? public static void BestFitGridViewColumnsWidth(DevExpress.XtraGrid.GridControl gdc,string sql, int hidecols=0)

??????? {

??????????? DevExpress.XtraGrid.Views.Grid.GridView gdv = (DevExpress.XtraGrid.Views.Grid.GridView)gdc.Views[0];

?

??????????? //綁定數(shù)據(jù)

??????????? gdv.GridControl.DataSource = DBFactorySingleton.GetInstance().Factory.GetDataTable(sql);

?

??????????? for (int i = 0; i < hidecols;i++ )

??????????????? gdv.Columns[i].Visible = false;

　　　　?//添加事件

??????????? gdc.SizeChanged += BestFitDevGrid_Size_Changed_Event;

?

??????????? //雖然每次窗體變化時(shí)都會(huì)激發(fā)sizechange事件，但窗體第一次load時(shí)不會(huì)觸發(fā)，所以加一句調(diào)整語(yǔ)句

????????? ??BestFitGridViewWidth(gdv);

???????????

??????? }

?

??????? //2016.11.19 技術(shù)進(jìn)步，后臺(tái)為控件添加事件

??????? public static void BestFitDevGrid_Size_Changed_Event(object sender, EventArgs e)

??????? {

??????????? //獲得gdc對(duì)象

??????????? DevExpress.XtraGrid.GridControl gdc=(DevExpress.XtraGrid.GridControl)sender;

?

??????????? //取得gdc的第一個(gè)gdv對(duì)象

??????????? DevExpress.XtraGrid.Views.Grid.GridView gdv = (DevExpress.XtraGrid.Views.Grid.GridView)gdc.Views[0];

?

??????????? //設(shè)置最適合列寬的判斷行數(shù)

??????????? gdv.BestFitMaxRowCount = 500;

?

??????????? BestFitGridViewWidth(gdv);???????????

??????? }

?

??????? //根據(jù)窗體大小判斷gdv最合適大小

??????? public static void BestFitGridViewWidth(DevExpress.XtraGrid.Views.Grid.GridView gdv)

??????? {

??????????? //先設(shè)置最小列寬

??????????? gdv.BestFitColumns();

?

????? ??????//獲取所有列總最小寬度

??????????? int tt = 0;

??????????? for (int i = 0; i < gdv.Columns.Count; i++)

??????????? {

??????????????? if (gdv.Columns[i].Visible)

??????????????????? tt += gdv.CalcColumnBestWidth(gdv.Columns[i]);

??????????? }

?

??????????? //如果有指示列，加上其寬度

??????????? if (gdv.OptionsView.ShowIndicator)

??????????????? tt += gdv.IndicatorWidth;

?

??????????? //根據(jù)寬度調(diào)整列顯示模式

??????????? if (tt < gdv.ViewRect.Width)

??????????????? gdv.OptionsView.ColumnAutoWidth = true;

??????????? else

??????????????? gdv.OptionsView.ColumnAutoWidth = false;

??????? }

?

轉(zhuǎn)載于:https://www.cnblogs.com/mol1995/p/6081271.html

總結(jié)

以上是生活随笔為你收集整理的自动为DEV GridView控件添加SizeChanged事件的全部?jī)?nèi)容，希望文章能夠幫你解決所遇到的問題。

如果覺得生活随笔網(wǎng)站內(nèi)容還不錯(cuò)，歡迎將生活随笔推薦給好友。